diff options
| author | Aldrik Ramaekers <aldrikboy@gmail.com> | 2025-08-09 08:35:03 +0200 |
|---|---|---|
| committer | Aldrik Ramaekers <aldrikboy@gmail.com> | 2025-08-09 08:35:03 +0200 |
| commit | 432f24319319fe040e142059eb83279c53f90ab8 (patch) | |
| tree | 5631eb0eb3a46d086070e8398d9080ff681133ac /imgui-1.92.1/imgui_draw.cpp | |
| parent | 5d34aff5888d3f0c624251f15bedb96c347978d6 (diff) | |
refactor 2
Diffstat (limited to 'imgui-1.92.1/imgui_draw.cpp')
| -rw-r--r-- | imgui-1.92.1/imgui_draw.cpp | 6308 |
1 files changed, 0 insertions, 6308 deletions
diff --git a/imgui-1.92.1/imgui_draw.cpp b/imgui-1.92.1/imgui_draw.cpp deleted file mode 100644 index 4012826..0000000 --- a/imgui-1.92.1/imgui_draw.cpp +++ /dev/null @@ -1,6308 +0,0 @@ -// dear imgui, v1.92.1 -// (drawing and font code) - -/* - -Index of this file: - -// [SECTION] STB libraries implementation -// [SECTION] Style functions -// [SECTION] ImDrawList -// [SECTION] ImTriangulator, ImDrawList concave polygon fill -// [SECTION] ImDrawListSplitter -// [SECTION] ImDrawData -// [SECTION] Helpers ShadeVertsXXX functions -// [SECTION] ImFontConfig -// [SECTION] ImFontAtlas, ImFontAtlasBuilder -// [SECTION] ImFontAtlas: backend for stb_truetype -// [SECTION] ImFontAtlas: glyph ranges helpers -// [SECTION] ImFontGlyphRangesBuilder -// [SECTION] ImFont -// [SECTION] ImGui Internal Render Helpers -// [SECTION] Decompression code -// [SECTION] Default font data (ProggyClean.ttf) - -*/ - -#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS) -#define _CRT_SECURE_NO_WARNINGS -#endif - -#ifndef IMGUI_DEFINE_MATH_OPERATORS -#define IMGUI_DEFINE_MATH_OPERATORS -#endif - -#include "imgui.h" -#ifndef IMGUI_DISABLE -#include "imgui_internal.h" -#ifdef IMGUI_ENABLE_FREETYPE -#include "misc/freetype/imgui_freetype.h" -#endif - -#include <stdio.h> // vsnprintf, sscanf, printf -#include <stdint.h> // intptr_t - -// Visual Studio warnings -#ifdef _MSC_VER -#pragma warning (disable: 4127) // condition expression is constant -#pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff) -#pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen -#pragma warning (disable: 26451) // [Static Analyzer] Arithmetic overflow : Using operator 'xxx' on a 4 byte value and then casting the result to a 8 byte value. Cast the value to the wider type before calling operator 'xxx' to avoid overflow(io.2). -#pragma warning (disable: 26812) // [Static Analyzer] The enum type 'xxx' is unscoped. Prefer 'enum class' over 'enum' (Enum.3). [MSVC Static Analyzer) -#endif - -// Clang/GCC warnings with -Weverything -#if defined(__clang__) -#if __has_warning("-Wunknown-warning-option") -#pragma clang diagnostic ignored "-Wunknown-warning-option" // warning: unknown warning group 'xxx' // not all warnings are known by all Clang versions and they tend to be rename-happy.. so ignoring warnings triggers new warnings on some configuration. Great! -#endif -#pragma clang diagnostic ignored "-Wunknown-pragmas" // warning: unknown warning group 'xxx' -#pragma clang diagnostic ignored "-Wold-style-cast" // warning: use of old-style cast // yes, they are more terse. -#pragma clang diagnostic ignored "-Wfloat-equal" // warning: comparing floating point with == or != is unsafe // storing and comparing against same constants ok. -#pragma clang diagnostic ignored "-Wglobal-constructors" // warning: declaration requires a global destructor // similar to above, not sure what the exact difference is. -#pragma clang diagnostic ignored "-Wsign-conversion" // warning: implicit conversion changes signedness -#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" // warning: zero as null pointer constant // some standard header variations use #define NULL 0 -#pragma clang diagnostic ignored "-Wcomma" // warning: possible misuse of comma operator here -#pragma clang diagnostic ignored "-Wreserved-id-macro" // warning: macro name is a reserved identifier -#pragma clang diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function // using printf() is a misery with this as C++ va_arg ellipsis changes float to double. -#pragma clang diagnostic ignored "-Wimplicit-int-float-conversion" // warning: implicit conversion from 'xxx' to 'float' may lose precision -#pragma clang diagnostic ignored "-Wreserved-identifier" // warning: identifier '_Xxx' is reserved because it starts with '_' followed by a capital letter -#pragma clang diagnostic ignored "-Wunsafe-buffer-usage" // warning: 'xxx' is an unsafe pointer used for buffer access -#pragma clang diagnostic ignored "-Wnontrivial-memaccess" // warning: first argument in call to 'memset' is a pointer to non-trivially copyable type -#pragma clang diagnostic ignored "-Wcast-qual" // warning: cast from 'const xxxx *' to 'xxx *' drops const qualifier -#pragma clang diagnostic ignored "-Wswitch-default" // warning: 'switch' missing 'default' label -#elif defined(__GNUC__) -#pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind -#pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used -#pragma GCC diagnostic ignored "-Wfloat-equal" // warning: comparing floating-point with '==' or '!=' is unsafe -#pragma GCC diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function -#pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value -#pragma GCC diagnostic ignored "-Wstack-protector" // warning: stack protector not protecting local variables: variable length buffer -#pragma GCC diagnostic ignored "-Wstrict-overflow" // warning: assuming signed overflow does not occur when simplifying division / ..when changing X +- C1 cmp C2 to X cmp C2 -+ C1 -#pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead -#pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers -#endif - -//------------------------------------------------------------------------- -// [SECTION] STB libraries implementation (for stb_truetype and stb_rect_pack) -//------------------------------------------------------------------------- - -// Compile time options: -//#define IMGUI_STB_NAMESPACE ImStb -//#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h" -//#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h" -//#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION -//#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION - -#ifdef IMGUI_STB_NAMESPACE -namespace IMGUI_STB_NAMESPACE -{ -#endif - -#ifdef _MSC_VER -#pragma warning (push) -#pragma warning (disable: 4456) // declaration of 'xx' hides previous local declaration -#pragma warning (disable: 6011) // (stb_rectpack) Dereferencing NULL pointer 'cur->next'. -#pragma warning (disable: 6385) // (stb_truetype) Reading invalid data from 'buffer': the readable size is '_Old_3`kernel_width' bytes, but '3' bytes may be read. -#pragma warning (disable: 28182) // (stb_rectpack) Dereferencing NULL pointer. 'cur' contains the same NULL value as 'cur->next' did. -#endif - -#if defined(__clang__) -#pragma clang diagnostic push -#pragma clang diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used -#pragma clang diagnostic ignored "-Wmissing-prototypes" -#pragma clang diagnostic ignored "-Wimplicit-fallthrough" -#endif - -#if defined(__GNUC__) -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wtype-limits" // warning: comparison is always true due to limited range of data type [-Wtype-limits] -#pragma GCC diagnostic ignored "-Wimplicit-fallthrough" // warning: this statement may fall through -#endif - -#ifndef STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds) -#ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in another compilation unit -#define STBRP_STATIC -#define STBRP_ASSERT(x) do { IM_ASSERT(x); } while (0) -#define STBRP_SORT ImQsort -#define STB_RECT_PACK_IMPLEMENTATION -#endif -#ifdef IMGUI_STB_RECT_PACK_FILENAME -#include IMGUI_STB_RECT_PACK_FILENAME -#else -#include "imstb_rectpack.h" -#endif -#endif - -#ifdef IMGUI_ENABLE_STB_TRUETYPE -#ifndef STB_TRUETYPE_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds) -#ifndef IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION // in case the user already have an implementation in another compilation unit -#define STBTT_malloc(x,u) ((void)(u), IM_ALLOC(x)) -#define STBTT_free(x,u) ((void)(u), IM_FREE(x)) -#define STBTT_assert(x) do { IM_ASSERT(x); } while(0) -#define STBTT_fmod(x,y) ImFmod(x,y) -#define STBTT_sqrt(x) ImSqrt(x) -#define STBTT_pow(x,y) ImPow(x,y) -#define STBTT_fabs(x) ImFabs(x) -#define STBTT_ifloor(x) ((int)ImFloor(x)) -#define STBTT_iceil(x) ((int)ImCeil(x)) -#define STBTT_strlen(x) ImStrlen(x) -#define STBTT_STATIC -#define STB_TRUETYPE_IMPLEMENTATION -#else -#define STBTT_DEF extern -#endif -#ifdef IMGUI_STB_TRUETYPE_FILENAME -#include IMGUI_STB_TRUETYPE_FILENAME -#else -#include "imstb_truetype.h" -#endif -#endif -#endif // IMGUI_ENABLE_STB_TRUETYPE - -#if defined(__GNUC__) -#pragma GCC diagnostic pop -#endif - -#if defined(__clang__) -#pragma clang diagnostic pop -#endif - -#if defined(_MSC_VER) -#pragma warning (pop) -#endif - -#ifdef IMGUI_STB_NAMESPACE -} // namespace ImStb -using namespace IMGUI_STB_NAMESPACE; -#endif - -//----------------------------------------------------------------------------- -// [SECTION] Style functions -//----------------------------------------------------------------------------- - -void ImGui::StyleColorsDark(ImGuiStyle* dst) -{ - ImGuiStyle* style = dst ? dst : &ImGui::GetStyle(); - ImVec4* colors = style->Colors; - - colors[ImGuiCol_Text] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); - colors[ImGuiCol_TextDisabled] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f); - colors[ImGuiCol_WindowBg] = ImVec4(0.06f, 0.06f, 0.06f, 0.94f); - colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); - colors[ImGuiCol_PopupBg] = ImVec4(0.08f, 0.08f, 0.08f, 0.94f); - colors[ImGuiCol_Border] = ImVec4(0.43f, 0.43f, 0.50f, 0.50f); - colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); - colors[ImGuiCol_FrameBg] = ImVec4(0.16f, 0.29f, 0.48f, 0.54f); - colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); - colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); - colors[ImGuiCol_TitleBg] = ImVec4(0.04f, 0.04f, 0.04f, 1.00f); - colors[ImGuiCol_TitleBgActive] = ImVec4(0.16f, 0.29f, 0.48f, 1.00f); - colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.00f, 0.00f, 0.00f, 0.51f); - colors[ImGuiCol_MenuBarBg] = ImVec4(0.14f, 0.14f, 0.14f, 1.00f); - colors[ImGuiCol_ScrollbarBg] = ImVec4(0.02f, 0.02f, 0.02f, 0.53f); - colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.31f, 0.31f, 0.31f, 1.00f); - colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.41f, 0.41f, 0.41f, 1.00f); - colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.51f, 0.51f, 0.51f, 1.00f); - colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); - colors[ImGuiCol_SliderGrab] = ImVec4(0.24f, 0.52f, 0.88f, 1.00f); - colors[ImGuiCol_SliderGrabActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); - colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); - colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); - colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f); - colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f); - colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f); - colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); - colors[ImGuiCol_Separator] = colors[ImGuiCol_Border]; - colors[ImGuiCol_SeparatorHovered] = ImVec4(0.10f, 0.40f, 0.75f, 0.78f); - colors[ImGuiCol_SeparatorActive] = ImVec4(0.10f, 0.40f, 0.75f, 1.00f); - colors[ImGuiCol_ResizeGrip] = ImVec4(0.26f, 0.59f, 0.98f, 0.20f); - colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); - colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f); - colors[ImGuiCol_InputTextCursor] = colors[ImGuiCol_Text]; - colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered]; - colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f); - colors[ImGuiCol_TabSelected] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f); - colors[ImGuiCol_TabSelectedOverline] = colors[ImGuiCol_HeaderActive]; - colors[ImGuiCol_TabDimmed] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f); - colors[ImGuiCol_TabDimmedSelected] = ImLerp(colors[ImGuiCol_TabSelected], colors[ImGuiCol_TitleBg], 0.40f); - colors[ImGuiCol_TabDimmedSelectedOverline] = ImVec4(0.50f, 0.50f, 0.50f, 0.00f); - colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f); - colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f); - colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); - colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f); - colors[ImGuiCol_TableHeaderBg] = ImVec4(0.19f, 0.19f, 0.20f, 1.00f); - colors[ImGuiCol_TableBorderStrong] = ImVec4(0.31f, 0.31f, 0.35f, 1.00f); // Prefer using Alpha=1.0 here - colors[ImGuiCol_TableBorderLight] = ImVec4(0.23f, 0.23f, 0.25f, 1.00f); // Prefer using Alpha=1.0 here - colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); - colors[ImGuiCol_TableRowBgAlt] = ImVec4(1.00f, 1.00f, 1.00f, 0.06f); - colors[ImGuiCol_TextLink] = colors[ImGuiCol_HeaderActive]; - colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f); - colors[ImGuiCol_TreeLines] = colors[ImGuiCol_Border]; - colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f); - colors[ImGuiCol_NavCursor] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); - colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f); - colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f); - colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f); -} - -void ImGui::StyleColorsClassic(ImGuiStyle* dst) -{ - ImGuiStyle* style = dst ? dst : &ImGui::GetStyle(); - ImVec4* colors = style->Colors; - - colors[ImGuiCol_Text] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f); - colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f); - colors[ImGuiCol_WindowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.85f); - colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); - colors[ImGuiCol_PopupBg] = ImVec4(0.11f, 0.11f, 0.14f, 0.92f); - colors[ImGuiCol_Border] = ImVec4(0.50f, 0.50f, 0.50f, 0.50f); - colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); - colors[ImGuiCol_FrameBg] = ImVec4(0.43f, 0.43f, 0.43f, 0.39f); - colors[ImGuiCol_FrameBgHovered] = ImVec4(0.47f, 0.47f, 0.69f, 0.40f); - colors[ImGuiCol_FrameBgActive] = ImVec4(0.42f, 0.41f, 0.64f, 0.69f); - colors[ImGuiCol_TitleBg] = ImVec4(0.27f, 0.27f, 0.54f, 0.83f); - colors[ImGuiCol_TitleBgActive] = ImVec4(0.32f, 0.32f, 0.63f, 0.87f); - colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.40f, 0.40f, 0.80f, 0.20f); - colors[ImGuiCol_MenuBarBg] = ImVec4(0.40f, 0.40f, 0.55f, 0.80f); - colors[ImGuiCol_ScrollbarBg] = ImVec4(0.20f, 0.25f, 0.30f, 0.60f); - colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.40f, 0.40f, 0.80f, 0.30f); - colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.40f, 0.40f, 0.80f, 0.40f); - colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f); - colors[ImGuiCol_CheckMark] = ImVec4(0.90f, 0.90f, 0.90f, 0.50f); - colors[ImGuiCol_SliderGrab] = ImVec4(1.00f, 1.00f, 1.00f, 0.30f); - colors[ImGuiCol_SliderGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f); - colors[ImGuiCol_Button] = ImVec4(0.35f, 0.40f, 0.61f, 0.62f); - colors[ImGuiCol_ButtonHovered] = ImVec4(0.40f, 0.48f, 0.71f, 0.79f); - colors[ImGuiCol_ButtonActive] = ImVec4(0.46f, 0.54f, 0.80f, 1.00f); - colors[ImGuiCol_Header] = ImVec4(0.40f, 0.40f, 0.90f, 0.45f); - colors[ImGuiCol_HeaderHovered] = ImVec4(0.45f, 0.45f, 0.90f, 0.80f); - colors[ImGuiCol_HeaderActive] = ImVec4(0.53f, 0.53f, 0.87f, 0.80f); - colors[ImGuiCol_Separator] = ImVec4(0.50f, 0.50f, 0.50f, 0.60f); - colors[ImGuiCol_SeparatorHovered] = ImVec4(0.60f, 0.60f, 0.70f, 1.00f); - colors[ImGuiCol_SeparatorActive] = ImVec4(0.70f, 0.70f, 0.90f, 1.00f); - colors[ImGuiCol_ResizeGrip] = ImVec4(1.00f, 1.00f, 1.00f, 0.10f); - colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.78f, 0.82f, 1.00f, 0.60f); - colors[ImGuiCol_ResizeGripActive] = ImVec4(0.78f, 0.82f, 1.00f, 0.90f); - colors[ImGuiCol_InputTextCursor] = colors[ImGuiCol_Text]; - colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered]; - colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f); - colors[ImGuiCol_TabSelected] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f); - colors[ImGuiCol_TabSelectedOverline] = colors[ImGuiCol_HeaderActive]; - colors[ImGuiCol_TabDimmed] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f); - colors[ImGuiCol_TabDimmedSelected] = ImLerp(colors[ImGuiCol_TabSelected], colors[ImGuiCol_TitleBg], 0.40f); - colors[ImGuiCol_TabDimmedSelectedOverline] = ImVec4(0.53f, 0.53f, 0.87f, 0.00f); - colors[ImGuiCol_PlotLines] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); - colors[ImGuiCol_PlotLinesHovered] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); - colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); - colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f); - colors[ImGuiCol_TableHeaderBg] = ImVec4(0.27f, 0.27f, 0.38f, 1.00f); - colors[ImGuiCol_TableBorderStrong] = ImVec4(0.31f, 0.31f, 0.45f, 1.00f); // Prefer using Alpha=1.0 here - colors[ImGuiCol_TableBorderLight] = ImVec4(0.26f, 0.26f, 0.28f, 1.00f); // Prefer using Alpha=1.0 here - colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); - colors[ImGuiCol_TableRowBgAlt] = ImVec4(1.00f, 1.00f, 1.00f, 0.07f); - colors[ImGuiCol_TextLink] = colors[ImGuiCol_HeaderActive]; - colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f); - colors[ImGuiCol_TreeLines] = colors[ImGuiCol_Border]; - colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f); - colors[ImGuiCol_NavCursor] = colors[ImGuiCol_HeaderHovered]; - colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f); - colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f); - colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f); -} - -// Those light colors are better suited with a thicker font than the default one + FrameBorder -void ImGui::StyleColorsLight(ImGuiStyle* dst) -{ - ImGuiStyle* style = dst ? dst : &ImGui::GetStyle(); - ImVec4* colors = style->Colors; - - colors[ImGuiCol_Text] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f); - colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f); - colors[ImGuiCol_WindowBg] = ImVec4(0.94f, 0.94f, 0.94f, 1.00f); - colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); - colors[ImGuiCol_PopupBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.98f); - colors[ImGuiCol_Border] = ImVec4(0.00f, 0.00f, 0.00f, 0.30f); - colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); - colors[ImGuiCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); - colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); - colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); - colors[ImGuiCol_TitleBg] = ImVec4(0.96f, 0.96f, 0.96f, 1.00f); - colors[ImGuiCol_TitleBgActive] = ImVec4(0.82f, 0.82f, 0.82f, 1.00f); - colors[ImGuiCol_TitleBgCollapsed] = ImVec4(1.00f, 1.00f, 1.00f, 0.51f); - colors[ImGuiCol_MenuBarBg] = ImVec4(0.86f, 0.86f, 0.86f, 1.00f); - colors[ImGuiCol_ScrollbarBg] = ImVec4(0.98f, 0.98f, 0.98f, 0.53f); - colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.69f, 0.69f, 0.69f, 0.80f); - colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.49f, 0.49f, 0.49f, 0.80f); - colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.49f, 0.49f, 0.49f, 1.00f); - colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); - colors[ImGuiCol_SliderGrab] = ImVec4(0.26f, 0.59f, 0.98f, 0.78f); - colors[ImGuiCol_SliderGrabActive] = ImVec4(0.46f, 0.54f, 0.80f, 0.60f); - colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); - colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); - colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f); - colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f); - colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f); - colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); - colors[ImGuiCol_Separator] = ImVec4(0.39f, 0.39f, 0.39f, 0.62f); - colors[ImGuiCol_SeparatorHovered] = ImVec4(0.14f, 0.44f, 0.80f, 0.78f); - colors[ImGuiCol_SeparatorActive] = ImVec4(0.14f, 0.44f, 0.80f, 1.00f); - colors[ImGuiCol_ResizeGrip] = ImVec4(0.35f, 0.35f, 0.35f, 0.17f); - colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); - colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f); - colors[ImGuiCol_InputTextCursor] = colors[ImGuiCol_Text]; - colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered]; - colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.90f); - colors[ImGuiCol_TabSelected] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f); - colors[ImGuiCol_TabSelectedOverline] = colors[ImGuiCol_HeaderActive]; - colors[ImGuiCol_TabDimmed] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f); - colors[ImGuiCol_TabDimmedSelected] = ImLerp(colors[ImGuiCol_TabSelected], colors[ImGuiCol_TitleBg], 0.40f); - colors[ImGuiCol_TabDimmedSelectedOverline] = ImVec4(0.26f, 0.59f, 1.00f, 0.00f); - colors[ImGuiCol_PlotLines] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f); - colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f); - colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); - colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.45f, 0.00f, 1.00f); - colors[ImGuiCol_TableHeaderBg] = ImVec4(0.78f, 0.87f, 0.98f, 1.00f); - colors[ImGuiCol_TableBorderStrong] = ImVec4(0.57f, 0.57f, 0.64f, 1.00f); // Prefer using Alpha=1.0 here - colors[ImGuiCol_TableBorderLight] = ImVec4(0.68f, 0.68f, 0.74f, 1.00f); // Prefer using Alpha=1.0 here - colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); - colors[ImGuiCol_TableRowBgAlt] = ImVec4(0.30f, 0.30f, 0.30f, 0.09f); - colors[ImGuiCol_TextLink] = colors[ImGuiCol_HeaderActive]; - colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f); - colors[ImGuiCol_TreeLines] = colors[ImGuiCol_Border]; - colors[ImGuiCol_DragDropTarget] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f); - colors[ImGuiCol_NavCursor] = colors[ImGuiCol_HeaderHovered]; - colors[ImGuiCol_NavWindowingHighlight] = ImVec4(0.70f, 0.70f, 0.70f, 0.70f); - colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.20f); - colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f); -} - -//----------------------------------------------------------------------------- -// [SECTION] ImDrawList -//----------------------------------------------------------------------------- - -ImDrawListSharedData::ImDrawListSharedData() -{ - memset(this, 0, sizeof(*this)); - InitialFringeScale = 1.0f; - for (int i = 0; i < IM_ARRAYSIZE(ArcFastVtx); i++) - { - const float a = ((float)i * 2 * IM_PI) / (float)IM_ARRAYSIZE(ArcFastVtx); - ArcFastVtx[i] = ImVec2(ImCos(a), ImSin(a)); - } - ArcFastRadiusCutoff = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC_R(IM_DRAWLIST_ARCFAST_SAMPLE_MAX, CircleSegmentMaxError); -} - -ImDrawListSharedData::~ImDrawListSharedData() -{ - IM_ASSERT(DrawLists.Size == 0); -} - -void ImDrawListSharedData::SetCircleTessellationMaxError(float max_error) -{ - if (CircleSegmentMaxError == max_error) - return; - - IM_ASSERT(max_error > 0.0f); - CircleSegmentMaxError = max_error; - for (int i = 0; i < IM_ARRAYSIZE(CircleSegmentCounts); i++) - { - const float radius = (float)i; - CircleSegmentCounts[i] = (ImU8)((i > 0) ? IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, CircleSegmentMaxError) : IM_DRAWLIST_ARCFAST_SAMPLE_MAX); - } - ArcFastRadiusCutoff = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC_R(IM_DRAWLIST_ARCFAST_SAMPLE_MAX, CircleSegmentMaxError); -} - -ImDrawList::ImDrawList(ImDrawListSharedData* shared_data) -{ - memset(this, 0, sizeof(*this)); - _SetDrawListSharedData(shared_data); -} - -ImDrawList::~ImDrawList() -{ - _ClearFreeMemory(); - _SetDrawListSharedData(NULL); -} - -void ImDrawList::_SetDrawListSharedData(ImDrawListSharedData* data) -{ - if (_Data != NULL) - _Data->DrawLists.find_erase_unsorted(this); - _Data = data; - if (_Data != NULL) - _Data->DrawLists.push_back(this); -} - -// Initialize before use in a new frame. We always have a command ready in the buffer. -// In the majority of cases, you would want to call PushClipRect() and PushTexture() after this. -void ImDrawList::_ResetForNewFrame() -{ - // Verify that the ImDrawCmd fields we want to memcmp() are contiguous in memory. - IM_STATIC_ASSERT(offsetof(ImDrawCmd, ClipRect) == 0); - IM_STATIC_ASSERT(offsetof(ImDrawCmd, TexRef) == sizeof(ImVec4)); - IM_STATIC_ASSERT(offsetof(ImDrawCmd, VtxOffset) == sizeof(ImVec4) + sizeof(ImTextureRef)); - if (_Splitter._Count > 1) - _Splitter.Merge(this); - - CmdBuffer.resize(0); - IdxBuffer.resize(0); - VtxBuffer.resize(0); - Flags = _Data->InitialFlags; - memset(&_CmdHeader, 0, sizeof(_CmdHeader)); - _VtxCurrentIdx = 0; - _VtxWritePtr = NULL; - _IdxWritePtr = NULL; - _ClipRectStack.resize(0); - _TextureStack.resize(0); - _CallbacksDataBuf.resize(0); - _Path.resize(0); - _Splitter.Clear(); - CmdBuffer.push_back(ImDrawCmd()); - _FringeScale = _Data->InitialFringeScale; -} - -void ImDrawList::_ClearFreeMemory() -{ - CmdBuffer.clear(); - IdxBuffer.clear(); - VtxBuffer.clear(); - Flags = ImDrawListFlags_None; - _VtxCurrentIdx = 0; - _VtxWritePtr = NULL; - _IdxWritePtr = NULL; - _ClipRectStack.clear(); - _TextureStack.clear(); - _CallbacksDataBuf.clear(); - _Path.clear(); - _Splitter.ClearFreeMemory(); -} - -ImDrawList* ImDrawList::CloneOutput() const -{ - ImDrawList* dst = IM_NEW(ImDrawList(_Data)); - dst->CmdBuffer = CmdBuffer; - dst->IdxBuffer = IdxBuffer; - dst->VtxBuffer = VtxBuffer; - dst->Flags = Flags; - return dst; -} - -void ImDrawList::AddDrawCmd() -{ - ImDrawCmd draw_cmd; - draw_cmd.ClipRect = _CmdHeader.ClipRect; // Same as calling ImDrawCmd_HeaderCopy() - draw_cmd.TexRef = _CmdHeader.TexRef; - draw_cmd.VtxOffset = _CmdHeader.VtxOffset; - draw_cmd.IdxOffset = IdxBuffer.Size; - - IM_ASSERT(draw_cmd.ClipRect.x <= draw_cmd.ClipRect.z && draw_cmd.ClipRect.y <= draw_cmd.ClipRect.w); - CmdBuffer.push_back(draw_cmd); -} - -// Pop trailing draw command (used before merging or presenting to user) -// Note that this leaves the ImDrawList in a state unfit for further commands, as most code assume that CmdBuffer.Size > 0 && CmdBuffer.back().UserCallback == NULL -void ImDrawList::_PopUnusedDrawCmd() -{ - while (CmdBuffer.Size > 0) - { - ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; - if (curr_cmd->ElemCount != 0 || curr_cmd->UserCallback != NULL) - return;// break; - CmdBuffer.pop_back(); - } -} - -void ImDrawList::AddCallback(ImDrawCallback callback, void* userdata, size_t userdata_size) -{ - IM_ASSERT_PARANOID(CmdBuffer.Size > 0); - ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; - IM_ASSERT(curr_cmd->UserCallback == NULL); - if (curr_cmd->ElemCount != 0) - { - AddDrawCmd(); - curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; - } - - curr_cmd->UserCallback = callback; - if (userdata_size == 0) - { - // Store user data directly in command (no indirection) - curr_cmd->UserCallbackData = userdata; - curr_cmd->UserCallbackDataSize = 0; - curr_cmd->UserCallbackDataOffset = -1; - } - else - { - // Copy and store user data in a buffer - IM_ASSERT(userdata != NULL); - IM_ASSERT(userdata_size < (1u << 31)); - curr_cmd->UserCallbackData = NULL; // Will be resolved during Render() - curr_cmd->UserCallbackDataSize = (int)userdata_size; - curr_cmd->UserCallbackDataOffset = _CallbacksDataBuf.Size; - _CallbacksDataBuf.resize(_CallbacksDataBuf.Size + (int)userdata_size); - memcpy(_CallbacksDataBuf.Data + (size_t)curr_cmd->UserCallbackDataOffset, userdata, userdata_size); - } - - AddDrawCmd(); // Force a new command after us (see comment below) -} - -// Compare ClipRect, TexRef and VtxOffset with a single memcmp() -#define ImDrawCmd_HeaderSize (offsetof(ImDrawCmd, VtxOffset) + sizeof(unsigned int)) -#define ImDrawCmd_HeaderCompare(CMD_LHS, CMD_RHS) (memcmp(CMD_LHS, CMD_RHS, ImDrawCmd_HeaderSize)) // Compare ClipRect, TexRef, VtxOffset -#define ImDrawCmd_HeaderCopy(CMD_DST, CMD_SRC) (memcpy(CMD_DST, CMD_SRC, ImDrawCmd_HeaderSize)) // Copy ClipRect, TexRef, VtxOffset -#define ImDrawCmd_AreSequentialIdxOffset(CMD_0, CMD_1) (CMD_0->IdxOffset + CMD_0->ElemCount == CMD_1->IdxOffset) - -// Try to merge two last draw commands -void ImDrawList::_TryMergeDrawCmds() -{ - IM_ASSERT_PARANOID(CmdBuffer.Size > 0); - ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; - ImDrawCmd* prev_cmd = curr_cmd - 1; - if (ImDrawCmd_HeaderCompare(curr_cmd, prev_cmd) == 0 && ImDrawCmd_AreSequentialIdxOffset(prev_cmd, curr_cmd) && curr_cmd->UserCallback == NULL && prev_cmd->UserCallback == NULL) - { - prev_cmd->ElemCount += curr_cmd->ElemCount; - CmdBuffer.pop_back(); - } -} - -// Our scheme may appears a bit unusual, basically we want the most-common calls AddLine AddRect etc. to not have to perform any check so we always have a command ready in the stack. -// The cost of figuring out if a new command has to be added or if we can merge is paid in those Update** functions only. -void ImDrawList::_OnChangedClipRect() -{ - // If current command is used with different settings we need to add a new command - IM_ASSERT_PARANOID(CmdBuffer.Size > 0); - ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; - if (curr_cmd->ElemCount != 0 && memcmp(&curr_cmd->ClipRect, &_CmdHeader.ClipRect, sizeof(ImVec4)) != 0) - { - AddDrawCmd(); - return; - } - IM_ASSERT(curr_cmd->UserCallback == NULL); - - // Try to merge with previous command if it matches, else use current command - ImDrawCmd* prev_cmd = curr_cmd - 1; - if (curr_cmd->ElemCount == 0 && CmdBuffer.Size > 1 && ImDrawCmd_HeaderCompare(&_CmdHeader, prev_cmd) == 0 && ImDrawCmd_AreSequentialIdxOffset(prev_cmd, curr_cmd) && prev_cmd->UserCallback == NULL) - { - CmdBuffer.pop_back(); - return; - } - curr_cmd->ClipRect = _CmdHeader.ClipRect; -} - -void ImDrawList::_OnChangedTexture() -{ - // If current command is used with different settings we need to add a new command - IM_ASSERT_PARANOID(CmdBuffer.Size > 0); - ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; - if (curr_cmd->ElemCount != 0 && curr_cmd->TexRef != _CmdHeader.TexRef) - { - AddDrawCmd(); - return; - } - - // Unlike other _OnChangedXXX functions this may be called by ImFontAtlasUpdateDrawListsTextures() in more locations so we need to handle this case. - if (curr_cmd->UserCallback != NULL) - return; - - // Try to merge with previous command if it matches, else use current command - ImDrawCmd* prev_cmd = curr_cmd - 1; - if (curr_cmd->ElemCount == 0 && CmdBuffer.Size > 1 && ImDrawCmd_HeaderCompare(&_CmdHeader, prev_cmd) == 0 && ImDrawCmd_AreSequentialIdxOffset(prev_cmd, curr_cmd) && prev_cmd->UserCallback == NULL) - { - CmdBuffer.pop_back(); - return; - } - curr_cmd->TexRef = _CmdHeader.TexRef; -} - -void ImDrawList::_OnChangedVtxOffset() -{ - // We don't need to compare curr_cmd->VtxOffset != _CmdHeader.VtxOffset because we know it'll be different at the time we call this. - _VtxCurrentIdx = 0; - IM_ASSERT_PARANOID(CmdBuffer.Size > 0); - ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; - //IM_ASSERT(curr_cmd->VtxOffset != _CmdHeader.VtxOffset); // See #3349 - if (curr_cmd->ElemCount != 0) - { - AddDrawCmd(); - return; - } - IM_ASSERT(curr_cmd->UserCallback == NULL); - curr_cmd->VtxOffset = _CmdHeader.VtxOffset; -} - -int ImDrawList::_CalcCircleAutoSegmentCount(float radius) const -{ - // Automatic segment count - const int radius_idx = (int)(radius + 0.999999f); // ceil to never reduce accuracy - if (radius_idx >= 0 && radius_idx < IM_ARRAYSIZE(_Data->CircleSegmentCounts)) - return _Data->CircleSegmentCounts[radius_idx]; // Use cached value - else - return IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, _Data->CircleSegmentMaxError); -} - -// Render-level scissoring. This is passed down to your render function but not used for CPU-side coarse clipping. Prefer using higher-level ImGui::PushClipRect() to affect logic (hit-testing and widget culling) -void ImDrawList::PushClipRect(const ImVec2& cr_min, const ImVec2& cr_max, bool intersect_with_current_clip_rect) -{ - ImVec4 cr(cr_min.x, cr_min.y, cr_max.x, cr_max.y); - if (intersect_with_current_clip_rect) - { - ImVec4 current = _CmdHeader.ClipRect; - if (cr.x < current.x) cr.x = current.x; - if (cr.y < current.y) cr.y = current.y; - if (cr.z > current.z) cr.z = current.z; - if (cr.w > current.w) cr.w = current.w; - } - cr.z = ImMax(cr.x, cr.z); - cr.w = ImMax(cr.y, cr.w); - - _ClipRectStack.push_back(cr); - _CmdHeader.ClipRect = cr; - _OnChangedClipRect(); -} - -void ImDrawList::PushClipRectFullScreen() -{ - PushClipRect(ImVec2(_Data->ClipRectFullscreen.x, _Data->ClipRectFullscreen.y), ImVec2(_Data->ClipRectFullscreen.z, _Data->ClipRectFullscreen.w)); -} - -void ImDrawList::PopClipRect() -{ - _ClipRectStack.pop_back(); - _CmdHeader.ClipRect = (_ClipRectStack.Size == 0) ? _Data->ClipRectFullscreen : _ClipRectStack.Data[_ClipRectStack.Size - 1]; - _OnChangedClipRect(); -} - -void ImDrawList::PushTexture(ImTextureRef tex_ref) -{ - _TextureStack.push_back(tex_ref); - _CmdHeader.TexRef = tex_ref; - if (tex_ref._TexData != NULL) - IM_ASSERT(tex_ref._TexData->WantDestroyNextFrame == false); - _OnChangedTexture(); -} - -void ImDrawList::PopTexture() -{ - _TextureStack.pop_back(); - _CmdHeader.TexRef = (_TextureStack.Size == 0) ? ImTextureRef() : _TextureStack.Data[_TextureStack.Size - 1]; - _OnChangedTexture(); -} - -// This is used by ImGui::PushFont()/PopFont(). It works because we never use _TextureIdStack[] elsewhere than in PushTexture()/PopTexture(). -void ImDrawList::_SetTexture(ImTextureRef tex_ref) -{ - if (_CmdHeader.TexRef == tex_ref) - return; - _CmdHeader.TexRef = tex_ref; - _TextureStack.back() = tex_ref; - _OnChangedTexture(); -} - -// Reserve space for a number of vertices and indices. -// You must finish filling your reserved data before calling PrimReserve() again, as it may reallocate or -// submit the intermediate results. PrimUnreserve() can be used to release unused allocations. -void ImDrawList::PrimReserve(int idx_count, int vtx_count) -{ - // Large mesh support (when enabled) - IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0); - if (sizeof(ImDrawIdx) == 2 && (_VtxCurrentIdx + vtx_count >= (1 << 16)) && (Flags & ImDrawListFlags_AllowVtxOffset)) - { - // FIXME: In theory we should be testing that vtx_count <64k here. - // In practice, RenderText() relies on reserving ahead for a worst case scenario so it is currently useful for us - // to not make that check until we rework the text functions to handle clipping and large horizontal lines better. - _CmdHeader.VtxOffset = VtxBuffer.Size; - _OnChangedVtxOffset(); - } - - ImDrawCmd* draw_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; - draw_cmd->ElemCount += idx_count; - - int vtx_buffer_old_size = VtxBuffer.Size; - VtxBuffer.resize(vtx_buffer_old_size + vtx_count); - _VtxWritePtr = VtxBuffer.Data + vtx_buffer_old_size; - - int idx_buffer_old_size = IdxBuffer.Size; - IdxBuffer.resize(idx_buffer_old_size + idx_count); - _IdxWritePtr = IdxBuffer.Data + idx_buffer_old_size; -} - -// Release the number of reserved vertices/indices from the end of the last reservation made with PrimReserve(). -void ImDrawList::PrimUnreserve(int idx_count, int vtx_count) -{ - IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0); - - ImDrawCmd* draw_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; - draw_cmd->ElemCount -= idx_count; - VtxBuffer.shrink(VtxBuffer.Size - vtx_count); - IdxBuffer.shrink(IdxBuffer.Size - idx_count); -} - -// Fully unrolled with inline call to keep our debug builds decently fast. -void ImDrawList::PrimRect(const ImVec2& a, const ImVec2& c, ImU32 col) -{ - ImVec2 b(c.x, a.y), d(a.x, c.y), uv(_Data->TexUvWhitePixel); - ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx; - _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2); - _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3); - _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; - _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col; - _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col; - _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col; - _VtxWritePtr += 4; - _VtxCurrentIdx += 4; - _IdxWritePtr += 6; -} - -void ImDrawList::PrimRectUV(const ImVec2& a, const ImVec2& c, const ImVec2& uv_a, const ImVec2& uv_c, ImU32 col) -{ - ImVec2 b(c.x, a.y), d(a.x, c.y), uv_b(uv_c.x, uv_a.y), uv_d(uv_a.x, uv_c.y); - ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx; - _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2); - _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3); - _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col; - _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col; - _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col; - _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col; - _VtxWritePtr += 4; - _VtxCurrentIdx += 4; - _IdxWritePtr += 6; -} - -void ImDrawList::PrimQuadUV(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, const ImVec2& uv_a, const ImVec2& uv_b, const ImVec2& uv_c, const ImVec2& uv_d, ImU32 col) -{ - ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx; - _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2); - _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3); - _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col; - _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col; - _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col; - _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col; - _VtxWritePtr += 4; - _VtxCurrentIdx += 4; - _IdxWritePtr += 6; -} - -// On AddPolyline() and AddConvexPolyFilled() we intentionally avoid using ImVec2 and superfluous function calls to optimize debug/non-inlined builds. -// - Those macros expects l-values and need to be used as their own statement. -// - Those macros are intentionally not surrounded by the 'do {} while (0)' idiom because even that translates to runtime with debug compilers. -#define IM_NORMALIZE2F_OVER_ZERO(VX,VY) { float d2 = VX*VX + VY*VY; if (d2 > 0.0f) { float inv_len = ImRsqrt(d2); VX *= inv_len; VY *= inv_len; } } (void)0 -#define IM_FIXNORMAL2F_MAX_INVLEN2 100.0f // 500.0f (see #4053, #3366) -#define IM_FIXNORMAL2F(VX,VY) { float d2 = VX*VX + VY*VY; if (d2 > 0.000001f) { float inv_len2 = 1.0f / d2; if (inv_len2 > IM_FIXNORMAL2F_MAX_INVLEN2) inv_len2 = IM_FIXNORMAL2F_MAX_INVLEN2; VX *= inv_len2; VY *= inv_len2; } } (void)0 - -// TODO: Thickness anti-aliased lines cap are missing their AA fringe. -// We avoid using the ImVec2 math operators here to reduce cost to a minimum for debug/non-inlined builds. -void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32 col, ImDrawFlags flags, float thickness) -{ - if (points_count < 2 || (col & IM_COL32_A_MASK) == 0) - return; - - const bool closed = (flags & ImDrawFlags_Closed) != 0; - const ImVec2 opaque_uv = _Data->TexUvWhitePixel; - const int count = closed ? points_count : points_count - 1; // The number of line segments we need to draw - const bool thick_line = (thickness > _FringeScale); - - if (Flags & ImDrawListFlags_AntiAliasedLines) - { - // Anti-aliased stroke - const float AA_SIZE = _FringeScale; - const ImU32 col_trans = col & ~IM_COL32_A_MASK; - - // Thicknesses <1.0 should behave like thickness 1.0 - thickness = ImMax(thickness, 1.0f); - const int integer_thickness = (int)thickness; - const float fractional_thickness = thickness - integer_thickness; - - // Do we want to draw this line using a texture? - // - For now, only draw integer-width lines using textures to avoid issues with the way scaling occurs, could be improved. - // - If AA_SIZE is not 1.0f we cannot use the texture path. - const bool use_texture = (Flags & ImDrawListFlags_AntiAliasedLinesUseTex) && (integer_thickness < IM_DRAWLIST_TEX_LINES_WIDTH_MAX) && (fractional_thickness <= 0.00001f) && (AA_SIZE == 1.0f); - - // We should never hit this, because NewFrame() doesn't set ImDrawListFlags_AntiAliasedLinesUseTex unless ImFontAtlasFlags_NoBakedLines is off - IM_ASSERT_PARANOID(!use_texture || !(_Data->Font->ContainerAtlas->Flags & ImFontAtlasFlags_NoBakedLines)); - - const int idx_count = use_texture ? (count * 6) : (thick_line ? count * 18 : count * 12); - const int vtx_count = use_texture ? (points_count * 2) : (thick_line ? points_count * 4 : points_count * 3); - PrimReserve(idx_count, vtx_count); - - // Temporary buffer - // The first <points_count> items are normals at each line point, then after that there are either 2 or 4 temp points for each line point - _Data->TempBuffer.reserve_discard(points_count * ((use_texture || !thick_line) ? 3 : 5)); - ImVec2* temp_normals = _Data->TempBuffer.Data; - ImVec2* temp_points = temp_normals + points_count; - - // Calculate normals (tangents) for each line segment - for (int i1 = 0; i1 < count; i1++) - { - const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1; - float dx = points[i2].x - points[i1].x; - float dy = points[i2].y - points[i1].y; - IM_NORMALIZE2F_OVER_ZERO(dx, dy); - temp_normals[i1].x = dy; - temp_normals[i1].y = -dx; - } - if (!closed) - temp_normals[points_count - 1] = temp_normals[points_count - 2]; - - // If we are drawing a one-pixel-wide line without a texture, or a textured line of any width, we only need 2 or 3 vertices per point - if (use_texture || !thick_line) - { - // [PATH 1] Texture-based lines (thick or non-thick) - // [PATH 2] Non texture-based lines (non-thick) - - // The width of the geometry we need to draw - this is essentially <thickness> pixels for the line itself, plus "one pixel" for AA. - // - In the texture-based path, we don't use AA_SIZE here because the +1 is tied to the generated texture - // (see ImFontAtlasBuildRenderLinesTexData() function), and so alternate values won't work without changes to that code. - // - In the non texture-based paths, we would allow AA_SIZE to potentially be != 1.0f with a patch (e.g. fringe_scale patch to - // allow scaling geometry while preserving one-screen-pixel AA fringe). - const float half_draw_size = use_texture ? ((thickness * 0.5f) + 1) : AA_SIZE; - - // If line is not closed, the first and last points need to be generated differently as there are no normals to blend - if (!closed) - { - temp_points[0] = points[0] + temp_normals[0] * half_draw_size; - temp_points[1] = points[0] - temp_normals[0] * half_draw_size; - temp_points[(points_count-1)*2+0] = points[points_count-1] + temp_normals[points_count-1] * half_draw_size; - temp_points[(points_count-1)*2+1] = points[points_count-1] - temp_normals[points_count-1] * half_draw_size; - } - - // Generate the indices to form a number of triangles for each line segment, and the vertices for the line edges - // This takes points n and n+1 and writes into n+1, with the first point in a closed line being generated from the final one (as n+1 wraps) - // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer. - unsigned int idx1 = _VtxCurrentIdx; // Vertex index for start of line segment - for (int i1 = 0; i1 < count; i1++) // i1 is the first point of the line segment - { - const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1; // i2 is the second point of the line segment - const unsigned int idx2 = ((i1 + 1) == points_count) ? _VtxCurrentIdx : (idx1 + (use_texture ? 2 : 3)); // Vertex index for end of segment - - // Average normals - float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f; - float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f; - IM_FIXNORMAL2F(dm_x, dm_y); - dm_x *= half_draw_size; // dm_x, dm_y are offset to the outer edge of the AA area - dm_y *= half_draw_size; - - // Add temporary vertices for the outer edges - ImVec2* out_vtx = &temp_points[i2 * 2]; - out_vtx[0].x = points[i2].x + dm_x; - out_vtx[0].y = points[i2].y + dm_y; - out_vtx[1].x = points[i2].x - dm_x; - out_vtx[1].y = points[i2].y - dm_y; - - if (use_texture) - { - // Add indices for two triangles - _IdxWritePtr[0] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[1] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[2] = (ImDrawIdx)(idx1 + 1); // Right tri - _IdxWritePtr[3] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[4] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[5] = (ImDrawIdx)(idx2 + 0); // Left tri - _IdxWritePtr += 6; - } - else - { - // Add indexes for four triangles - _IdxWritePtr[0] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[1] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[2] = (ImDrawIdx)(idx1 + 2); // Right tri 1 - _IdxWritePtr[3] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[4] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[5] = (ImDrawIdx)(idx2 + 0); // Right tri 2 - _IdxWritePtr[6] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[7] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[8] = (ImDrawIdx)(idx1 + 0); // Left tri 1 - _IdxWritePtr[9] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[10] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[11] = (ImDrawIdx)(idx2 + 1); // Left tri 2 - _IdxWritePtr += 12; - } - - idx1 = idx2; - } - - // Add vertices for each point on the line - if (use_texture) - { - // If we're using textures we only need to emit the left/right edge vertices - ImVec4 tex_uvs = _Data->TexUvLines[integer_thickness]; - /*if (fractional_thickness != 0.0f) // Currently always zero when use_texture==false! - { - const ImVec4 tex_uvs_1 = _Data->TexUvLines[integer_thickness + 1]; - tex_uvs.x = tex_uvs.x + (tex_uvs_1.x - tex_uvs.x) * fractional_thickness; // inlined ImLerp() - tex_uvs.y = tex_uvs.y + (tex_uvs_1.y - tex_uvs.y) * fractional_thickness; - tex_uvs.z = tex_uvs.z + (tex_uvs_1.z - tex_uvs.z) * fractional_thickness; - tex_uvs.w = tex_uvs.w + (tex_uvs_1.w - tex_uvs.w) * fractional_thickness; - }*/ - ImVec2 tex_uv0(tex_uvs.x, tex_uvs.y); - ImVec2 tex_uv1(tex_uvs.z, tex_uvs.w); - for (int i = 0; i < points_count; i++) - { - _VtxWritePtr[0].pos = temp_points[i * 2 + 0]; _VtxWritePtr[0].uv = tex_uv0; _VtxWritePtr[0].col = col; // Left-side outer edge - _VtxWritePtr[1].pos = temp_points[i * 2 + 1]; _VtxWritePtr[1].uv = tex_uv1; _VtxWritePtr[1].col = col; // Right-side outer edge - _VtxWritePtr += 2; - } - } - else - { - // If we're not using a texture, we need the center vertex as well - for (int i = 0; i < points_count; i++) - { - _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col; // Center of line - _VtxWritePtr[1].pos = temp_points[i * 2 + 0]; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col_trans; // Left-side outer edge - _VtxWritePtr[2].pos = temp_points[i * 2 + 1]; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col_trans; // Right-side outer edge - _VtxWritePtr += 3; - } - } - } - else - { - // [PATH 2] Non texture-based lines (thick): we need to draw the solid line core and thus require four vertices per point - const float half_inner_thickness = (thickness - AA_SIZE) * 0.5f; - - // If line is not closed, the first and last points need to be generated differently as there are no normals to blend - if (!closed) - { - const int points_last = points_count - 1; - temp_points[0] = points[0] + temp_normals[0] * (half_inner_thickness + AA_SIZE); - temp_points[1] = points[0] + temp_normals[0] * (half_inner_thickness); - temp_points[2] = points[0] - temp_normals[0] * (half_inner_thickness); - temp_points[3] = points[0] - temp_normals[0] * (half_inner_thickness + AA_SIZE); - temp_points[points_last * 4 + 0] = points[points_last] + temp_normals[points_last] * (half_inner_thickness + AA_SIZE); - temp_points[points_last * 4 + 1] = points[points_last] + temp_normals[points_last] * (half_inner_thickness); - temp_points[points_last * 4 + 2] = points[points_last] - temp_normals[points_last] * (half_inner_thickness); - temp_points[points_last * 4 + 3] = points[points_last] - temp_normals[points_last] * (half_inner_thickness + AA_SIZE); - } - - // Generate the indices to form a number of triangles for each line segment, and the vertices for the line edges - // This takes points n and n+1 and writes into n+1, with the first point in a closed line being generated from the final one (as n+1 wraps) - // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer. - unsigned int idx1 = _VtxCurrentIdx; // Vertex index for start of line segment - for (int i1 = 0; i1 < count; i1++) // i1 is the first point of the line segment - { - const int i2 = (i1 + 1) == points_count ? 0 : (i1 + 1); // i2 is the second point of the line segment - const unsigned int idx2 = (i1 + 1) == points_count ? _VtxCurrentIdx : (idx1 + 4); // Vertex index for end of segment - - // Average normals - float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f; - float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f; - IM_FIXNORMAL2F(dm_x, dm_y); - float dm_out_x = dm_x * (half_inner_thickness + AA_SIZE); - float dm_out_y = dm_y * (half_inner_thickness + AA_SIZE); - float dm_in_x = dm_x * half_inner_thickness; - float dm_in_y = dm_y * half_inner_thickness; - - // Add temporary vertices - ImVec2* out_vtx = &temp_points[i2 * 4]; - out_vtx[0].x = points[i2].x + dm_out_x; - out_vtx[0].y = points[i2].y + dm_out_y; - out_vtx[1].x = points[i2].x + dm_in_x; - out_vtx[1].y = points[i2].y + dm_in_y; - out_vtx[2].x = points[i2].x - dm_in_x; - out_vtx[2].y = points[i2].y - dm_in_y; - out_vtx[3].x = points[i2].x - dm_out_x; - out_vtx[3].y = points[i2].y - dm_out_y; - - // Add indexes - _IdxWritePtr[0] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[1] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[2] = (ImDrawIdx)(idx1 + 2); - _IdxWritePtr[3] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[4] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[5] = (ImDrawIdx)(idx2 + 1); - _IdxWritePtr[6] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[7] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[8] = (ImDrawIdx)(idx1 + 0); - _IdxWritePtr[9] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[10] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[11] = (ImDrawIdx)(idx2 + 1); - _IdxWritePtr[12] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[13] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[14] = (ImDrawIdx)(idx1 + 3); - _IdxWritePtr[15] = (ImDrawIdx)(idx1 + 3); _IdxWritePtr[16] = (ImDrawIdx)(idx2 + 3); _IdxWritePtr[17] = (ImDrawIdx)(idx2 + 2); - _IdxWritePtr += 18; - - idx1 = idx2; - } - - // Add vertices - for (int i = 0; i < points_count; i++) - { - _VtxWritePtr[0].pos = temp_points[i * 4 + 0]; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col_trans; - _VtxWritePtr[1].pos = temp_points[i * 4 + 1]; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col; - _VtxWritePtr[2].pos = temp_points[i * 4 + 2]; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col; - _VtxWritePtr[3].pos = temp_points[i * 4 + 3]; _VtxWritePtr[3].uv = opaque_uv; _VtxWritePtr[3].col = col_trans; - _VtxWritePtr += 4; - } - } - _VtxCurrentIdx += (ImDrawIdx)vtx_count; - } - else - { - // [PATH 4] Non texture-based, Non anti-aliased lines - const int idx_count = count * 6; - const int vtx_count = count * 4; // FIXME-OPT: Not sharing edges - PrimReserve(idx_count, vtx_count); - - for (int i1 = 0; i1 < count; i1++) - { - const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1; - const ImVec2& p1 = points[i1]; - const ImVec2& p2 = points[i2]; - - float dx = p2.x - p1.x; - float dy = p2.y - p1.y; - IM_NORMALIZE2F_OVER_ZERO(dx, dy); - dx *= (thickness * 0.5f); - dy *= (thickness * 0.5f); - - _VtxWritePtr[0].pos.x = p1.x + dy; _VtxWritePtr[0].pos.y = p1.y - dx; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col; - _VtxWritePtr[1].pos.x = p2.x + dy; _VtxWritePtr[1].pos.y = p2.y - dx; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col; - _VtxWritePtr[2].pos.x = p2.x - dy; _VtxWritePtr[2].pos.y = p2.y + dx; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col; - _VtxWritePtr[3].pos.x = p1.x - dy; _VtxWritePtr[3].pos.y = p1.y + dx; _VtxWritePtr[3].uv = opaque_uv; _VtxWritePtr[3].col = col; - _VtxWritePtr += 4; - - _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx + 1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx + 2); - _IdxWritePtr[3] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[4] = (ImDrawIdx)(_VtxCurrentIdx + 2); _IdxWritePtr[5] = (ImDrawIdx)(_VtxCurrentIdx + 3); - _IdxWritePtr += 6; - _VtxCurrentIdx += 4; - } - } -} - -// - We intentionally avoid using ImVec2 and its math operators here to reduce cost to a minimum for debug/non-inlined builds. -// - Filled shapes must always use clockwise winding order. The anti-aliasing fringe depends on it. Counter-clockwise shapes will have "inward" anti-aliasing. -void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col) -{ - if (points_count < 3 || (col & IM_COL32_A_MASK) == 0) - return; - - const ImVec2 uv = _Data->TexUvWhitePixel; - - if (Flags & ImDrawListFlags_AntiAliasedFill) - { - // Anti-aliased Fill - const float AA_SIZE = _FringeScale; - const ImU32 col_trans = col & ~IM_COL32_A_MASK; - const int idx_count = (points_count - 2)*3 + points_count * 6; - const int vtx_count = (points_count * 2); - PrimReserve(idx_count, vtx_count); - - // Add indexes for fill - unsigned int vtx_inner_idx = _VtxCurrentIdx; - unsigned int vtx_outer_idx = _VtxCurrentIdx + 1; - for (int i = 2; i < points_count; i++) - { - _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + ((i - 1) << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_inner_idx + (i << 1)); - _IdxWritePtr += 3; - } - - // Compute normals - _Data->TempBuffer.reserve_discard(points_count); - ImVec2* temp_normals = _Data->TempBuffer.Data; - for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++) - { - const ImVec2& p0 = points[i0]; - const ImVec2& p1 = points[i1]; - float dx = p1.x - p0.x; - float dy = p1.y - p0.y; - IM_NORMALIZE2F_OVER_ZERO(dx, dy); - temp_normals[i0].x = dy; - temp_normals[i0].y = -dx; - } - - for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++) - { - // Average normals - const ImVec2& n0 = temp_normals[i0]; - const ImVec2& n1 = temp_normals[i1]; - float dm_x = (n0.x + n1.x) * 0.5f; - float dm_y = (n0.y + n1.y) * 0.5f; - IM_FIXNORMAL2F(dm_x, dm_y); - dm_x *= AA_SIZE * 0.5f; - dm_y *= AA_SIZE * 0.5f; - - // Add vertices - _VtxWritePtr[0].pos.x = (points[i1].x - dm_x); _VtxWritePtr[0].pos.y = (points[i1].y - dm_y); _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; // Inner - _VtxWritePtr[1].pos.x = (points[i1].x + dm_x); _VtxWritePtr[1].pos.y = (points[i1].y + dm_y); _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans; // Outer - _VtxWritePtr += 2; - - // Add indexes for fringes - _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + (i0 << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1)); - _IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx + (i1 << 1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1)); - _IdxWritePtr += 6; - } - _VtxCurrentIdx += (ImDrawIdx)vtx_count; - } - else - { - // Non Anti-aliased Fill - const int idx_count = (points_count - 2)*3; - const int vtx_count = points_count; - PrimReserve(idx_count, vtx_count); - for (int i = 0; i < vtx_count; i++) - { - _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; - _VtxWritePtr++; - } - for (int i = 2; i < points_count; i++) - { - _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx + i - 1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx + i); - _IdxWritePtr += 3; - } - _VtxCurrentIdx += (ImDrawIdx)vtx_count; - } -} - -void ImDrawList::_PathArcToFastEx(const ImVec2& center, float radius, int a_min_sample, int a_max_sample, int a_step) -{ - if (radius < 0.5f) - { - _Path.push_back(center); - return; - } - - // Calculate arc auto segment step size - if (a_step <= 0) - a_step = IM_DRAWLIST_ARCFAST_SAMPLE_MAX / _CalcCircleAutoSegmentCount(radius); - - // Make sure we never do steps larger than one quarter of the circle - a_step = ImClamp(a_step, 1, IM_DRAWLIST_ARCFAST_TABLE_SIZE / 4); - - const int sample_range = ImAbs(a_max_sample - a_min_sample); - const int a_next_step = a_step; - - int samples = sample_range + 1; - bool extra_max_sample = false; - if (a_step > 1) - { - samples = sample_range / a_step + 1; - const int overstep = sample_range % a_step; - - if (overstep > 0) - { - extra_max_sample = true; - samples++; - - // When we have overstep to avoid awkwardly looking one long line and one tiny one at the end, - // distribute first step range evenly between them by reducing first step size. - if (sample_range > 0) - a_step -= (a_step - overstep) / 2; - } - } - - _Path.resize(_Path.Size + samples); - ImVec2* out_ptr = _Path.Data + (_Path.Size - samples); - - int sample_index = a_min_sample; - if (sample_index < 0 || sample_index >= IM_DRAWLIST_ARCFAST_SAMPLE_MAX) - { - sample_index = sample_index % IM_DRAWLIST_ARCFAST_SAMPLE_MAX; - if (sample_index < 0) - sample_index += IM_DRAWLIST_ARCFAST_SAMPLE_MAX; - } - - if (a_max_sample >= a_min_sample) - { - for (int a = a_min_sample; a <= a_max_sample; a += a_step, sample_index += a_step, a_step = a_next_step) - { - // a_step is clamped to IM_DRAWLIST_ARCFAST_SAMPLE_MAX, so we have guaranteed that it will not wrap over range twice or more - if (sample_index >= IM_DRAWLIST_ARCFAST_SAMPLE_MAX) - sample_index -= IM_DRAWLIST_ARCFAST_SAMPLE_MAX; - - const ImVec2 s = _Data->ArcFastVtx[sample_index]; - out_ptr->x = center.x + s.x * radius; - out_ptr->y = center.y + s.y * radius; - out_ptr++; - } - } - else - { - for (int a = a_min_sample; a >= a_max_sample; a -= a_step, sample_index -= a_step, a_step = a_next_step) - { - // a_step is clamped to IM_DRAWLIST_ARCFAST_SAMPLE_MAX, so we have guaranteed that it will not wrap over range twice or more - if (sample_index < 0) - sample_index += IM_DRAWLIST_ARCFAST_SAMPLE_MAX; - - const ImVec2 s = _Data->ArcFastVtx[sample_index]; - out_ptr->x = center.x + s.x * radius; - out_ptr->y = center.y + s.y * radius; - out_ptr++; - } - } - - if (extra_max_sample) - { - int normalized_max_sample = a_max_sample % IM_DRAWLIST_ARCFAST_SAMPLE_MAX; - if (normalized_max_sample < 0) - normalized_max_sample += IM_DRAWLIST_ARCFAST_SAMPLE_MAX; - - const ImVec2 s = _Data->ArcFastVtx[normalized_max_sample]; - out_ptr->x = center.x + s.x * radius; - out_ptr->y = center.y + s.y * radius; - out_ptr++; - } - - IM_ASSERT_PARANOID(_Path.Data + _Path.Size == out_ptr); -} - -void ImDrawList::_PathArcToN(const ImVec2& center, float radius, float a_min, float a_max, int num_segments) -{ - if (radius < 0.5f) - { - _Path.push_back(center); - return; - } - - // Note that we are adding a point at both a_min and a_max. - // If you are trying to draw a full closed circle you don't want the overlapping points! - _Path.reserve(_Path.Size + (num_segments + 1)); - for (int i = 0; i <= num_segments; i++) - { - const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min); - _Path.push_back(ImVec2(center.x + ImCos(a) * radius, center.y + ImSin(a) * radius)); - } -} - -// 0: East, 3: South, 6: West, 9: North, 12: East -void ImDrawList::PathArcToFast(const ImVec2& center, float radius, int a_min_of_12, int a_max_of_12) -{ - if (radius < 0.5f) - { - _Path.push_back(center); - return; - } - _PathArcToFastEx(center, radius, a_min_of_12 * IM_DRAWLIST_ARCFAST_SAMPLE_MAX / 12, a_max_of_12 * IM_DRAWLIST_ARCFAST_SAMPLE_MAX / 12, 0); -} - -void ImDrawList::PathArcTo(const ImVec2& center, float radius, float a_min, float a_max, int num_segments) -{ - if (radius < 0.5f) - { - _Path.push_back(center); - return; - } - - if (num_segments > 0) - { - _PathArcToN(center, radius, a_min, a_max, num_segments); - return; - } - - // Automatic segment count - if (radius <= _Data->ArcFastRadiusCutoff) - { - const bool a_is_reverse = a_max < a_min; - - // We are going to use precomputed values for mid samples. - // Determine first and last sample in lookup table that belong to the arc. - const float a_min_sample_f = IM_DRAWLIST_ARCFAST_SAMPLE_MAX * a_min / (IM_PI * 2.0f); - const float a_max_sample_f = IM_DRAWLIST_ARCFAST_SAMPLE_MAX * a_max / (IM_PI * 2.0f); - - const int a_min_sample = a_is_reverse ? (int)ImFloor(a_min_sample_f) : (int)ImCeil(a_min_sample_f); - const int a_max_sample = a_is_reverse ? (int)ImCeil(a_max_sample_f) : (int)ImFloor(a_max_sample_f); - const int a_mid_samples = a_is_reverse ? ImMax(a_min_sample - a_max_sample, 0) : ImMax(a_max_sample - a_min_sample, 0); - - const float a_min_segment_angle = a_min_sample * IM_PI * 2.0f / IM_DRAWLIST_ARCFAST_SAMPLE_MAX; - const float a_max_segment_angle = a_max_sample * IM_PI * 2.0f / IM_DRAWLIST_ARCFAST_SAMPLE_MAX; - const bool a_emit_start = ImAbs(a_min_segment_angle - a_min) >= 1e-5f; - const bool a_emit_end = ImAbs(a_max - a_max_segment_angle) >= 1e-5f; - - _Path.reserve(_Path.Size + (a_mid_samples + 1 + (a_emit_start ? 1 : 0) + (a_emit_end ? 1 : 0))); - if (a_emit_start) - _Path.push_back(ImVec2(center.x + ImCos(a_min) * radius, center.y + ImSin(a_min) * radius)); - if (a_mid_samples > 0) - _PathArcToFastEx(center, radius, a_min_sample, a_max_sample, 0); - if (a_emit_end) - _Path.push_back(ImVec2(center.x + ImCos(a_max) * radius, center.y + ImSin(a_max) * radius)); - } - else - { - const float arc_length = ImAbs(a_max - a_min); - const int circle_segment_count = _CalcCircleAutoSegmentCount(radius); - const int arc_segment_count = ImMax((int)ImCeil(circle_segment_count * arc_length / (IM_PI * 2.0f)), (int)(2.0f * IM_PI / arc_length)); - _PathArcToN(center, radius, a_min, a_max, arc_segment_count); - } -} - -void ImDrawList::PathEllipticalArcTo(const ImVec2& center, const ImVec2& radius, float rot, float a_min, float a_max, int num_segments) -{ - if (num_segments <= 0) - num_segments = _CalcCircleAutoSegmentCount(ImMax(radius.x, radius.y)); // A bit pessimistic, maybe there's a better computation to do here. - - _Path.reserve(_Path.Size + (num_segments + 1)); - - const float cos_rot = ImCos(rot); - const float sin_rot = ImSin(rot); - for (int i = 0; i <= num_segments; i++) - { - const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min); - ImVec2 point(ImCos(a) * radius.x, ImSin(a) * radius.y); - const ImVec2 rel((point.x * cos_rot) - (point.y * sin_rot), (point.x * sin_rot) + (point.y * cos_rot)); - point.x = rel.x + center.x; - point.y = rel.y + center.y; - _Path.push_back(point); - } -} - -ImVec2 ImBezierCubicCalc(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, float t) -{ - float u = 1.0f - t; - float w1 = u * u * u; - float w2 = 3 * u * u * t; - float w3 = 3 * u * t * t; - float w4 = t * t * t; - return ImVec2(w1 * p1.x + w2 * p2.x + w3 * p3.x + w4 * p4.x, w1 * p1.y + w2 * p2.y + w3 * p3.y + w4 * p4.y); -} - -ImVec2 ImBezierQuadraticCalc(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, float t) -{ - float u = 1.0f - t; - float w1 = u * u; - float w2 = 2 * u * t; - float w3 = t * t; - return ImVec2(w1 * p1.x + w2 * p2.x + w3 * p3.x, w1 * p1.y + w2 * p2.y + w3 * p3.y); -} - -// Closely mimics ImBezierCubicClosestPointCasteljau() in imgui.cpp -static void PathBezierCubicCurveToCasteljau(ImVector<ImVec2>* path, float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4, float tess_tol, int level) -{ - float dx = x4 - x1; - float dy = y4 - y1; - float d2 = (x2 - x4) * dy - (y2 - y4) * dx; - float d3 = (x3 - x4) * dy - (y3 - y4) * dx; - d2 = (d2 >= 0) ? d2 : -d2; - d3 = (d3 >= 0) ? d3 : -d3; - if ((d2 + d3) * (d2 + d3) < tess_tol * (dx * dx + dy * dy)) - { - path->push_back(ImVec2(x4, y4)); - } - else if (level < 10) - { - float x12 = (x1 + x2) * 0.5f, y12 = (y1 + y2) * 0.5f; - float x23 = (x2 + x3) * 0.5f, y23 = (y2 + y3) * 0.5f; - float x34 = (x3 + x4) * 0.5f, y34 = (y3 + y4) * 0.5f; - float x123 = (x12 + x23) * 0.5f, y123 = (y12 + y23) * 0.5f; - float x234 = (x23 + x34) * 0.5f, y234 = (y23 + y34) * 0.5f; - float x1234 = (x123 + x234) * 0.5f, y1234 = (y123 + y234) * 0.5f; - PathBezierCubicCurveToCasteljau(path, x1, y1, x12, y12, x123, y123, x1234, y1234, tess_tol, level + 1); - PathBezierCubicCurveToCasteljau(path, x1234, y1234, x234, y234, x34, y34, x4, y4, tess_tol, level + 1); - } -} - -static void PathBezierQuadraticCurveToCasteljau(ImVector<ImVec2>* path, float x1, float y1, float x2, float y2, float x3, float y3, float tess_tol, int level) -{ - float dx = x3 - x1, dy = y3 - y1; - float det = (x2 - x3) * dy - (y2 - y3) * dx; - if (det * det * 4.0f < tess_tol * (dx * dx + dy * dy)) - { - path->push_back(ImVec2(x3, y3)); - } - else if (level < 10) - { - float x12 = (x1 + x2) * 0.5f, y12 = (y1 + y2) * 0.5f; - float x23 = (x2 + x3) * 0.5f, y23 = (y2 + y3) * 0.5f; - float x123 = (x12 + x23) * 0.5f, y123 = (y12 + y23) * 0.5f; - PathBezierQuadraticCurveToCasteljau(path, x1, y1, x12, y12, x123, y123, tess_tol, level + 1); - PathBezierQuadraticCurveToCasteljau(path, x123, y123, x23, y23, x3, y3, tess_tol, level + 1); - } -} - -void ImDrawList::PathBezierCubicCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments) -{ - ImVec2 p1 = _Path.back(); - if (num_segments == 0) - { - IM_ASSERT(_Data->CurveTessellationTol > 0.0f); - PathBezierCubicCurveToCasteljau(&_Path, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, p4.x, p4.y, _Data->CurveTessellationTol, 0); // Auto-tessellated - } - else - { - float t_step = 1.0f / (float)num_segments; - for (int i_step = 1; i_step <= num_segments; i_step++) - _Path.push_back(ImBezierCubicCalc(p1, p2, p3, p4, t_step * i_step)); - } -} - -void ImDrawList::PathBezierQuadraticCurveTo(const ImVec2& p2, const ImVec2& p3, int num_segments) -{ - ImVec2 p1 = _Path.back(); - if (num_segments == 0) - { - IM_ASSERT(_Data->CurveTessellationTol > 0.0f); - PathBezierQuadraticCurveToCasteljau(&_Path, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, _Data->CurveTessellationTol, 0);// Auto-tessellated - } - else - { - float t_step = 1.0f / (float)num_segments; - for (int i_step = 1; i_step <= num_segments; i_step++) - _Path.push_back(ImBezierQuadraticCalc(p1, p2, p3, t_step * i_step)); - } -} - -static inline ImDrawFlags FixRectCornerFlags(ImDrawFlags flags) -{ - /* - IM_STATIC_ASSERT(ImDrawFlags_RoundCornersTopLeft == (1 << 4)); -#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS - // Obsoleted in 1.82 (from February 2021). This code was stripped/simplified and mostly commented in 1.90 (from September 2023) - // - Legacy Support for hard coded ~0 (used to be a suggested equivalent to ImDrawCornerFlags_All) - if (flags == ~0) { return ImDrawFlags_RoundCornersAll; } - // - Legacy Support for hard coded 0x01 to 0x0F (matching 15 out of 16 old flags combinations). Read details in older version of this code. - if (flags >= 0x01 && flags <= 0x0F) { return (flags << 4); } - // We cannot support hard coded 0x00 with 'float rounding > 0.0f' --> replace with ImDrawFlags_RoundCornersNone or use 'float rounding = 0.0f' -#endif - */ - // If this assert triggers, please update your code replacing hardcoded values with new ImDrawFlags_RoundCorners* values. - // Note that ImDrawFlags_Closed (== 0x01) is an invalid flag for AddRect(), AddRectFilled(), PathRect() etc. anyway. - // See details in 1.82 Changelog as well as 2021/03/12 and 2023/09/08 entries in "API BREAKING CHANGES" section. - IM_ASSERT((flags & 0x0F) == 0 && "Misuse of legacy hardcoded ImDrawCornerFlags values!"); - - if ((flags & ImDrawFlags_RoundCornersMask_) == 0) - flags |= ImDrawFlags_RoundCornersAll; - - return flags; -} - -void ImDrawList::PathRect(const ImVec2& a, const ImVec2& b, float rounding, ImDrawFlags flags) -{ - if (rounding >= 0.5f) - { - flags = FixRectCornerFlags(flags); - rounding = ImMin(rounding, ImFabs(b.x - a.x) * (((flags & ImDrawFlags_RoundCornersTop) == ImDrawFlags_RoundCornersTop) || ((flags & ImDrawFlags_RoundCornersBottom) == ImDrawFlags_RoundCornersBottom) ? 0.5f : 1.0f) - 1.0f); - rounding = ImMin(rounding, ImFabs(b.y - a.y) * (((flags & ImDrawFlags_RoundCornersLeft) == ImDrawFlags_RoundCornersLeft) || ((flags & ImDrawFlags_RoundCornersRight) == ImDrawFlags_RoundCornersRight) ? 0.5f : 1.0f) - 1.0f); - } - if (rounding < 0.5f || (flags & ImDrawFlags_RoundCornersMask_) == ImDrawFlags_RoundCornersNone) - { - PathLineTo(a); - PathLineTo(ImVec2(b.x, a.y)); - PathLineTo(b); - PathLineTo(ImVec2(a.x, b.y)); - } - else - { - const float rounding_tl = (flags & ImDrawFlags_RoundCornersTopLeft) ? rounding : 0.0f; - const float rounding_tr = (flags & ImDrawFlags_RoundCornersTopRight) ? rounding : 0.0f; - const float rounding_br = (flags & ImDrawFlags_RoundCornersBottomRight) ? rounding : 0.0f; - const float rounding_bl = (flags & ImDrawFlags_RoundCornersBottomLeft) ? rounding : 0.0f; - PathArcToFast(ImVec2(a.x + rounding_tl, a.y + rounding_tl), rounding_tl, 6, 9); - PathArcToFast(ImVec2(b.x - rounding_tr, a.y + rounding_tr), rounding_tr, 9, 12); - PathArcToFast(ImVec2(b.x - rounding_br, b.y - rounding_br), rounding_br, 0, 3); - PathArcToFast(ImVec2(a.x + rounding_bl, b.y - rounding_bl), rounding_bl, 3, 6); - } -} - -void ImDrawList::AddLine(const ImVec2& p1, const ImVec2& p2, ImU32 col, float thickness) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - PathLineTo(p1 + ImVec2(0.5f, 0.5f)); - PathLineTo(p2 + ImVec2(0.5f, 0.5f)); - PathStroke(col, 0, thickness); -} - -// p_min = upper-left, p_max = lower-right -// Note we don't render 1 pixels sized rectangles properly. -void ImDrawList::AddRect(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawFlags flags, float thickness) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - if (Flags & ImDrawListFlags_AntiAliasedLines) - PathRect(p_min + ImVec2(0.50f, 0.50f), p_max - ImVec2(0.50f, 0.50f), rounding, flags); - else - PathRect(p_min + ImVec2(0.50f, 0.50f), p_max - ImVec2(0.49f, 0.49f), rounding, flags); // Better looking lower-right corner and rounded non-AA shapes. - PathStroke(col, ImDrawFlags_Closed, thickness); -} - -void ImDrawList::AddRectFilled(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawFlags flags) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - if (rounding < 0.5f || (flags & ImDrawFlags_RoundCornersMask_) == ImDrawFlags_RoundCornersNone) - { - PrimReserve(6, 4); - PrimRect(p_min, p_max, col); - } - else - { - PathRect(p_min, p_max, rounding, flags); - PathFillConvex(col); - } -} - -// p_min = upper-left, p_max = lower-right -void ImDrawList::AddRectFilledMultiColor(const ImVec2& p_min, const ImVec2& p_max, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left) -{ - if (((col_upr_left | col_upr_right | col_bot_right | col_bot_left) & IM_COL32_A_MASK) == 0) - return; - - const ImVec2 uv = _Data->TexUvWhitePixel; - PrimReserve(6, 4); - PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 1)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 2)); - PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 2)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 3)); - PrimWriteVtx(p_min, uv, col_upr_left); - PrimWriteVtx(ImVec2(p_max.x, p_min.y), uv, col_upr_right); - PrimWriteVtx(p_max, uv, col_bot_right); - PrimWriteVtx(ImVec2(p_min.x, p_max.y), uv, col_bot_left); -} - -void ImDrawList::AddQuad(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - PathLineTo(p1); - PathLineTo(p2); - PathLineTo(p3); - PathLineTo(p4); - PathStroke(col, ImDrawFlags_Closed, thickness); -} - -void ImDrawList::AddQuadFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - PathLineTo(p1); - PathLineTo(p2); - PathLineTo(p3); - PathLineTo(p4); - PathFillConvex(col); -} - -void ImDrawList::AddTriangle(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - PathLineTo(p1); - PathLineTo(p2); - PathLineTo(p3); - PathStroke(col, ImDrawFlags_Closed, thickness); -} - -void ImDrawList::AddTriangleFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - PathLineTo(p1); - PathLineTo(p2); - PathLineTo(p3); - PathFillConvex(col); -} - -void ImDrawList::AddCircle(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness) -{ - if ((col & IM_COL32_A_MASK) == 0 || radius < 0.5f) - return; - - if (num_segments <= 0) - { - // Use arc with automatic segment count - _PathArcToFastEx(center, radius - 0.5f, 0, IM_DRAWLIST_ARCFAST_SAMPLE_MAX, 0); - _Path.Size--; - } - else - { - // Explicit segment count (still clamp to avoid drawing insanely tessellated shapes) - num_segments = ImClamp(num_segments, 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX); - - // Because we are filling a closed shape we remove 1 from the count of segments/points - const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; - PathArcTo(center, radius - 0.5f, 0.0f, a_max, num_segments - 1); - } - - PathStroke(col, ImDrawFlags_Closed, thickness); -} - -void ImDrawList::AddCircleFilled(const ImVec2& center, float radius, ImU32 col, int num_segments) -{ - if ((col & IM_COL32_A_MASK) == 0 || radius < 0.5f) - return; - - if (num_segments <= 0) - { - // Use arc with automatic segment count - _PathArcToFastEx(center, radius, 0, IM_DRAWLIST_ARCFAST_SAMPLE_MAX, 0); - _Path.Size--; - } - else - { - // Explicit segment count (still clamp to avoid drawing insanely tessellated shapes) - num_segments = ImClamp(num_segments, 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX); - - // Because we are filling a closed shape we remove 1 from the count of segments/points - const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; - PathArcTo(center, radius, 0.0f, a_max, num_segments - 1); - } - - PathFillConvex(col); -} - -// Guaranteed to honor 'num_segments' -void ImDrawList::AddNgon(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness) -{ - if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2) - return; - - // Because we are filling a closed shape we remove 1 from the count of segments/points - const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; - PathArcTo(center, radius - 0.5f, 0.0f, a_max, num_segments - 1); - PathStroke(col, ImDrawFlags_Closed, thickness); -} - -// Guaranteed to honor 'num_segments' -void ImDrawList::AddNgonFilled(const ImVec2& center, float radius, ImU32 col, int num_segments) -{ - if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2) - return; - - // Because we are filling a closed shape we remove 1 from the count of segments/points - const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; - PathArcTo(center, radius, 0.0f, a_max, num_segments - 1); - PathFillConvex(col); -} - -// Ellipse -void ImDrawList::AddEllipse(const ImVec2& center, const ImVec2& radius, ImU32 col, float rot, int num_segments, float thickness) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - if (num_segments <= 0) - num_segments = _CalcCircleAutoSegmentCount(ImMax(radius.x, radius.y)); // A bit pessimistic, maybe there's a better computation to do here. - - // Because we are filling a closed shape we remove 1 from the count of segments/points - const float a_max = IM_PI * 2.0f * ((float)num_segments - 1.0f) / (float)num_segments; - PathEllipticalArcTo(center, radius, rot, 0.0f, a_max, num_segments - 1); - PathStroke(col, true, thickness); -} - -void ImDrawList::AddEllipseFilled(const ImVec2& center, const ImVec2& radius, ImU32 col, float rot, int num_segments) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - if (num_segments <= 0) - num_segments = _CalcCircleAutoSegmentCount(ImMax(radius.x, radius.y)); // A bit pessimistic, maybe there's a better computation to do here. - - // Because we are filling a closed shape we remove 1 from the count of segments/points - const float a_max = IM_PI * 2.0f * ((float)num_segments - 1.0f) / (float)num_segments; - PathEllipticalArcTo(center, radius, rot, 0.0f, a_max, num_segments - 1); - PathFillConvex(col); -} - -// Cubic Bezier takes 4 controls points -void ImDrawList::AddBezierCubic(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness, int num_segments) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - PathLineTo(p1); - PathBezierCubicCurveTo(p2, p3, p4, num_segments); - PathStroke(col, 0, thickness); -} - -// Quadratic Bezier takes 3 controls points -void ImDrawList::AddBezierQuadratic(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness, int num_segments) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - PathLineTo(p1); - PathBezierQuadraticCurveTo(p2, p3, num_segments); - PathStroke(col, 0, thickness); -} - -void ImDrawList::AddText(ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end, float wrap_width, const ImVec4* cpu_fine_clip_rect) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - // Accept null ranges - if (text_begin == text_end || text_begin[0] == 0) - return; - // No need to strlen() here: font->RenderText() will do it and may early out. - - // Pull default font/size from the shared ImDrawListSharedData instance - if (font == NULL) - font = _Data->Font; - if (font_size == 0.0f) - font_size = _Data->FontSize; - - ImVec4 clip_rect = _CmdHeader.ClipRect; - if (cpu_fine_clip_rect) - { - clip_rect.x = ImMax(clip_rect.x, cpu_fine_clip_rect->x); - clip_rect.y = ImMax(clip_rect.y, cpu_fine_clip_rect->y); - clip_rect.z = ImMin(clip_rect.z, cpu_fine_clip_rect->z); - clip_rect.w = ImMin(clip_rect.w, cpu_fine_clip_rect->w); - } - font->RenderText(this, font_size, pos, col, clip_rect, text_begin, text_end, wrap_width, cpu_fine_clip_rect != NULL); -} - -void ImDrawList::AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end) -{ - AddText(_Data->Font, _Data->FontSize, pos, col, text_begin, text_end); -} - -void ImDrawList::AddImage(ImTextureRef tex_ref, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - const bool push_texture_id = tex_ref != _CmdHeader.TexRef; - if (push_texture_id) - PushTexture(tex_ref); - - PrimReserve(6, 4); - PrimRectUV(p_min, p_max, uv_min, uv_max, col); - - if (push_texture_id) - PopTexture(); -} - -void ImDrawList::AddImageQuad(ImTextureRef tex_ref, const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, const ImVec2& uv1, const ImVec2& uv2, const ImVec2& uv3, const ImVec2& uv4, ImU32 col) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - const bool push_texture_id = tex_ref != _CmdHeader.TexRef; - if (push_texture_id) - PushTexture(tex_ref); - - PrimReserve(6, 4); - PrimQuadUV(p1, p2, p3, p4, uv1, uv2, uv3, uv4, col); - - if (push_texture_id) - PopTexture(); -} - -void ImDrawList::AddImageRounded(ImTextureRef tex_ref, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col, float rounding, ImDrawFlags flags) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - flags = FixRectCornerFlags(flags); - if (rounding < 0.5f || (flags & ImDrawFlags_RoundCornersMask_) == ImDrawFlags_RoundCornersNone) - { - AddImage(tex_ref, p_min, p_max, uv_min, uv_max, col); - return; - } - - const bool push_texture_id = tex_ref != _CmdHeader.TexRef; - if (push_texture_id) - PushTexture(tex_ref); - - int vert_start_idx = VtxBuffer.Size; - PathRect(p_min, p_max, rounding, flags); - PathFillConvex(col); - int vert_end_idx = VtxBuffer.Size; - ImGui::ShadeVertsLinearUV(this, vert_start_idx, vert_end_idx, p_min, p_max, uv_min, uv_max, true); - - if (push_texture_id) - PopTexture(); -} - -//----------------------------------------------------------------------------- -// [SECTION] ImTriangulator, ImDrawList concave polygon fill -//----------------------------------------------------------------------------- -// Triangulate concave polygons. Based on "Triangulation by Ear Clipping" paper, O(N^2) complexity. -// Reference: https://www.geometrictools.com/Documentation/TriangulationByEarClipping.pdf -// Provided as a convenience for user but not used by main library. -//----------------------------------------------------------------------------- -// - ImTriangulator [Internal] -// - AddConcavePolyFilled() -//----------------------------------------------------------------------------- - -enum ImTriangulatorNodeType -{ - ImTriangulatorNodeType_Convex, - ImTriangulatorNodeType_Ear, - ImTriangulatorNodeType_Reflex -}; - -struct ImTriangulatorNode -{ - ImTriangulatorNodeType Type; - int Index; - ImVec2 Pos; - ImTriangulatorNode* Next; - ImTriangulatorNode* Prev; - - void Unlink() { Next->Prev = Prev; Prev->Next = Next; } -}; - -struct ImTriangulatorNodeSpan -{ - ImTriangulatorNode** Data = NULL; - int Size = 0; - - void push_back(ImTriangulatorNode* node) { Data[Size++] = node; } - void find_erase_unsorted(int idx) { for (int i = Size - 1; i >= 0; i--) if (Data[i]->Index == idx) { Data[i] = Data[Size - 1]; Size--; return; } } -}; - -struct ImTriangulator -{ - static int EstimateTriangleCount(int points_count) { return (points_count < 3) ? 0 : points_count - 2; } - static int EstimateScratchBufferSize(int points_count) { return sizeof(ImTriangulatorNode) * points_count + sizeof(ImTriangulatorNode*) * points_count * 2; } - - void Init(const ImVec2* points, int points_count, void* scratch_buffer); - void GetNextTriangle(unsigned int out_triangle[3]); // Return relative indexes for next triangle - - // Internal functions - void BuildNodes(const ImVec2* points, int points_count); - void BuildReflexes(); - void BuildEars(); - void FlipNodeList(); - bool IsEar(int i0, int i1, int i2, const ImVec2& v0, const ImVec2& v1, const ImVec2& v2) const; - void ReclassifyNode(ImTriangulatorNode* node); - - // Internal members - int _TrianglesLeft = 0; - ImTriangulatorNode* _Nodes = NULL; - ImTriangulatorNodeSpan _Ears; - ImTriangulatorNodeSpan _Reflexes; -}; - -// Distribute storage for nodes, ears and reflexes. -// FIXME-OPT: if everything is convex, we could report it to caller and let it switch to an convex renderer -// (this would require first building reflexes to bail to convex if empty, without even building nodes) -void ImTriangulator::Init(const ImVec2* points, int points_count, void* scratch_buffer) -{ - IM_ASSERT(scratch_buffer != NULL && points_count >= 3); - _TrianglesLeft = EstimateTriangleCount(points_count); - _Nodes = (ImTriangulatorNode*)scratch_buffer; // points_count x Node - _Ears.Data = (ImTriangulatorNode**)(_Nodes + points_count); // points_count x Node* - _Reflexes.Data = (ImTriangulatorNode**)(_Nodes + points_count) + points_count; // points_count x Node* - BuildNodes(points, points_count); - BuildReflexes(); - BuildEars(); -} - -void ImTriangulator::BuildNodes(const ImVec2* points, int points_count) -{ - for (int i = 0; i < points_count; i++) - { - _Nodes[i].Type = ImTriangulatorNodeType_Convex; - _Nodes[i].Index = i; - _Nodes[i].Pos = points[i]; - _Nodes[i].Next = _Nodes + i + 1; - _Nodes[i].Prev = _Nodes + i - 1; - } - _Nodes[0].Prev = _Nodes + points_count - 1; - _Nodes[points_count - 1].Next = _Nodes; -} - -void ImTriangulator::BuildReflexes() -{ - ImTriangulatorNode* n1 = _Nodes; - for (int i = _TrianglesLeft; i >= 0; i--, n1 = n1->Next) - { - if (ImTriangleIsClockwise(n1->Prev->Pos, n1->Pos, n1->Next->Pos)) - continue; - n1->Type = ImTriangulatorNodeType_Reflex; - _Reflexes.push_back(n1); - } -} - -void ImTriangulator::BuildEars() -{ - ImTriangulatorNode* n1 = _Nodes; - for (int i = _TrianglesLeft; i >= 0; i--, n1 = n1->Next) - { - if (n1->Type != ImTriangulatorNodeType_Convex) - continue; - if (!IsEar(n1->Prev->Index, n1->Index, n1->Next->Index, n1->Prev->Pos, n1->Pos, n1->Next->Pos)) - continue; - n1->Type = ImTriangulatorNodeType_Ear; - _Ears.push_back(n1); - } -} - -void ImTriangulator::GetNextTriangle(unsigned int out_triangle[3]) -{ - if (_Ears.Size == 0) - { - FlipNodeList(); - - ImTriangulatorNode* node = _Nodes; - for (int i = _TrianglesLeft; i >= 0; i--, node = node->Next) - node->Type = ImTriangulatorNodeType_Convex; - _Reflexes.Size = 0; - BuildReflexes(); - BuildEars(); - - // If we still don't have ears, it means geometry is degenerated. - if (_Ears.Size == 0) - { - // Return first triangle available, mimicking the behavior of convex fill. - IM_ASSERT(_TrianglesLeft > 0); // Geometry is degenerated - _Ears.Data[0] = _Nodes; - _Ears.Size = 1; - } - } - - ImTriangulatorNode* ear = _Ears.Data[--_Ears.Size]; - out_triangle[0] = ear->Prev->Index; - out_triangle[1] = ear->Index; - out_triangle[2] = ear->Next->Index; - - ear->Unlink(); - if (ear == _Nodes) - _Nodes = ear->Next; - - ReclassifyNode(ear->Prev); - ReclassifyNode(ear->Next); - _TrianglesLeft--; -} - -void ImTriangulator::FlipNodeList() -{ - ImTriangulatorNode* prev = _Nodes; - ImTriangulatorNode* temp = _Nodes; - ImTriangulatorNode* current = _Nodes->Next; - prev->Next = prev; - prev->Prev = prev; - while (current != _Nodes) - { - temp = current->Next; - - current->Next = prev; - prev->Prev = current; - _Nodes->Next = current; - current->Prev = _Nodes; - - prev = current; - current = temp; - } - _Nodes = prev; -} - -// A triangle is an ear is no other vertex is inside it. We can test reflexes vertices only (see reference algorithm) -bool ImTriangulator::IsEar(int i0, int i1, int i2, const ImVec2& v0, const ImVec2& v1, const ImVec2& v2) const -{ - ImTriangulatorNode** p_end = _Reflexes.Data + _Reflexes.Size; - for (ImTriangulatorNode** p = _Reflexes.Data; p < p_end; p++) - { - ImTriangulatorNode* reflex = *p; - if (reflex->Index != i0 && reflex->Index != i1 && reflex->Index != i2) - if (ImTriangleContainsPoint(v0, v1, v2, reflex->Pos)) - return false; - } - return true; -} - -void ImTriangulator::ReclassifyNode(ImTriangulatorNode* n1) -{ - // Classify node - ImTriangulatorNodeType type; - const ImTriangulatorNode* n0 = n1->Prev; - const ImTriangulatorNode* n2 = n1->Next; - if (!ImTriangleIsClockwise(n0->Pos, n1->Pos, n2->Pos)) - type = ImTriangulatorNodeType_Reflex; - else if (IsEar(n0->Index, n1->Index, n2->Index, n0->Pos, n1->Pos, n2->Pos)) - type = ImTriangulatorNodeType_Ear; - else - type = ImTriangulatorNodeType_Convex; - - // Update lists when a type changes - if (type == n1->Type) - return; - if (n1->Type == ImTriangulatorNodeType_Reflex) - _Reflexes.find_erase_unsorted(n1->Index); - else if (n1->Type == ImTriangulatorNodeType_Ear) - _Ears.find_erase_unsorted(n1->Index); - if (type == ImTriangulatorNodeType_Reflex) - _Reflexes.push_back(n1); - else if (type == ImTriangulatorNodeType_Ear) - _Ears.push_back(n1); - n1->Type = type; -} - -// Use ear-clipping algorithm to triangulate a simple polygon (no self-interaction, no holes). -// (Reminder: we don't perform any coarse clipping/culling in ImDrawList layer! -// It is up to caller to ensure not making costly calls that will be outside of visible area. -// As concave fill is noticeably more expensive than other primitives, be mindful of this... -// Caller can build AABB of points, and avoid filling if 'draw_list->_CmdHeader.ClipRect.Overlays(points_bb) == false') -void ImDrawList::AddConcavePolyFilled(const ImVec2* points, const int points_count, ImU32 col) -{ - if (points_count < 3 || (col & IM_COL32_A_MASK) == 0) - return; - - const ImVec2 uv = _Data->TexUvWhitePixel; - ImTriangulator triangulator; - unsigned int triangle[3]; - if (Flags & ImDrawListFlags_AntiAliasedFill) - { - // Anti-aliased Fill - const float AA_SIZE = _FringeScale; - const ImU32 col_trans = col & ~IM_COL32_A_MASK; - const int idx_count = (points_count - 2) * 3 + points_count * 6; - const int vtx_count = (points_count * 2); - PrimReserve(idx_count, vtx_count); - - // Add indexes for fill - unsigned int vtx_inner_idx = _VtxCurrentIdx; - unsigned int vtx_outer_idx = _VtxCurrentIdx + 1; - - _Data->TempBuffer.reserve_discard((ImTriangulator::EstimateScratchBufferSize(points_count) + sizeof(ImVec2)) / sizeof(ImVec2)); - triangulator.Init(points, points_count, _Data->TempBuffer.Data); - while (triangulator._TrianglesLeft > 0) - { - triangulator.GetNextTriangle(triangle); - _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx + (triangle[0] << 1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + (triangle[1] << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_inner_idx + (triangle[2] << 1)); - _IdxWritePtr += 3; - } - - // Compute normals - _Data->TempBuffer.reserve_discard(points_count); - ImVec2* temp_normals = _Data->TempBuffer.Data; - for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++) - { - const ImVec2& p0 = points[i0]; - const ImVec2& p1 = points[i1]; - float dx = p1.x - p0.x; - float dy = p1.y - p0.y; - IM_NORMALIZE2F_OVER_ZERO(dx, dy); - temp_normals[i0].x = dy; - temp_normals[i0].y = -dx; - } - - for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++) - { - // Average normals - const ImVec2& n0 = temp_normals[i0]; - const ImVec2& n1 = temp_normals[i1]; - float dm_x = (n0.x + n1.x) * 0.5f; - float dm_y = (n0.y + n1.y) * 0.5f; - IM_FIXNORMAL2F(dm_x, dm_y); - dm_x *= AA_SIZE * 0.5f; - dm_y *= AA_SIZE * 0.5f; - - // Add vertices - _VtxWritePtr[0].pos.x = (points[i1].x - dm_x); _VtxWritePtr[0].pos.y = (points[i1].y - dm_y); _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; // Inner - _VtxWritePtr[1].pos.x = (points[i1].x + dm_x); _VtxWritePtr[1].pos.y = (points[i1].y + dm_y); _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans; // Outer - _VtxWritePtr += 2; - - // Add indexes for fringes - _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + (i0 << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1)); - _IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx + (i1 << 1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1)); - _IdxWritePtr += 6; - } - _VtxCurrentIdx += (ImDrawIdx)vtx_count; - } - else - { - // Non Anti-aliased Fill - const int idx_count = (points_count - 2) * 3; - const int vtx_count = points_count; - PrimReserve(idx_count, vtx_count); - for (int i = 0; i < vtx_count; i++) - { - _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; - _VtxWritePtr++; - } - _Data->TempBuffer.reserve_discard((ImTriangulator::EstimateScratchBufferSize(points_count) + sizeof(ImVec2)) / sizeof(ImVec2)); - triangulator.Init(points, points_count, _Data->TempBuffer.Data); - while (triangulator._TrianglesLeft > 0) - { - triangulator.GetNextTriangle(triangle); - _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx + triangle[0]); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx + triangle[1]); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx + triangle[2]); - _IdxWritePtr += 3; - } - _VtxCurrentIdx += (ImDrawIdx)vtx_count; - } -} - -//----------------------------------------------------------------------------- -// [SECTION] ImDrawListSplitter -//----------------------------------------------------------------------------- -// FIXME: This may be a little confusing, trying to be a little too low-level/optimal instead of just doing vector swap.. -//----------------------------------------------------------------------------- - -void ImDrawListSplitter::ClearFreeMemory() -{ - for (int i = 0; i < _Channels.Size; i++) - { - if (i == _Current) - memset(&_Channels[i], 0, sizeof(_Channels[i])); // Current channel is a copy of CmdBuffer/IdxBuffer, don't destruct again - _Channels[i]._CmdBuffer.clear(); - _Channels[i]._IdxBuffer.clear(); - } - _Current = 0; - _Count = 1; - _Channels.clear(); -} - -void ImDrawListSplitter::Split(ImDrawList* draw_list, int channels_count) -{ - IM_UNUSED(draw_list); - IM_ASSERT(_Current == 0 && _Count <= 1 && "Nested channel splitting is not supported. Please use separate instances of ImDrawListSplitter."); - int old_channels_count = _Channels.Size; - if (old_channels_count < channels_count) - { - _Channels.reserve(channels_count); // Avoid over reserving since this is likely to stay stable - _Channels.resize(channels_count); - } - _Count = channels_count; - - // Channels[] (24/32 bytes each) hold storage that we'll swap with draw_list->_CmdBuffer/_IdxBuffer - // The content of Channels[0] at this point doesn't matter. We clear it to make state tidy in a debugger but we don't strictly need to. - // When we switch to the next channel, we'll copy draw_list->_CmdBuffer/_IdxBuffer into Channels[0] and then Channels[1] into draw_list->CmdBuffer/_IdxBuffer - memset(&_Channels[0], 0, sizeof(ImDrawChannel)); - for (int i = 1; i < channels_count; i++) - { - if (i >= old_channels_count) - { - IM_PLACEMENT_NEW(&_Channels[i]) ImDrawChannel(); - } - else - { - _Channels[i]._CmdBuffer.resize(0); - _Channels[i]._IdxBuffer.resize(0); - } - } -} - -void ImDrawListSplitter::Merge(ImDrawList* draw_list) -{ - // Note that we never use or rely on _Channels.Size because it is merely a buffer that we never shrink back to 0 to keep all sub-buffers ready for use. - if (_Count <= 1) - return; - - SetCurrentChannel(draw_list, 0); - draw_list->_PopUnusedDrawCmd(); - - // Calculate our final buffer sizes. Also fix the incorrect IdxOffset values in each command. - int new_cmd_buffer_count = 0; - int new_idx_buffer_count = 0; - ImDrawCmd* last_cmd = (_Count > 0 && draw_list->CmdBuffer.Size > 0) ? &draw_list->CmdBuffer.back() : NULL; - int idx_offset = last_cmd ? last_cmd->IdxOffset + last_cmd->ElemCount : 0; - for (int i = 1; i < _Count; i++) - { - ImDrawChannel& ch = _Channels[i]; - if (ch._CmdBuffer.Size > 0 && ch._CmdBuffer.back().ElemCount == 0 && ch._CmdBuffer.back().UserCallback == NULL) // Equivalent of PopUnusedDrawCmd() - ch._CmdBuffer.pop_back(); - - if (ch._CmdBuffer.Size > 0 && last_cmd != NULL) - { - // Do not include ImDrawCmd_AreSequentialIdxOffset() in the compare as we rebuild IdxOffset values ourselves. - // Manipulating IdxOffset (e.g. by reordering draw commands like done by RenderDimmedBackgroundBehindWindow()) is not supported within a splitter. - ImDrawCmd* next_cmd = &ch._CmdBuffer[0]; - if (ImDrawCmd_HeaderCompare(last_cmd, next_cmd) == 0 && last_cmd->UserCallback == NULL && next_cmd->UserCallback == NULL) - { - // Merge previous channel last draw command with current channel first draw command if matching. - last_cmd->ElemCount += next_cmd->ElemCount; - idx_offset += next_cmd->ElemCount; - ch._CmdBuffer.erase(ch._CmdBuffer.Data); // FIXME-OPT: Improve for multiple merges. - } - } - if (ch._CmdBuffer.Size > 0) - last_cmd = &ch._CmdBuffer.back(); - new_cmd_buffer_count += ch._CmdBuffer.Size; - new_idx_buffer_count += ch._IdxBuffer.Size; - for (int cmd_n = 0; cmd_n < ch._CmdBuffer.Size; cmd_n++) - { - ch._CmdBuffer.Data[cmd_n].IdxOffset = idx_offset; - idx_offset += ch._CmdBuffer.Data[cmd_n].ElemCount; - } - } - draw_list->CmdBuffer.resize(draw_list->CmdBuffer.Size + new_cmd_buffer_count); - draw_list->IdxBuffer.resize(draw_list->IdxBuffer.Size + new_idx_buffer_count); - - // Write commands and indices in order (they are fairly small structures, we don't copy vertices only indices) - ImDrawCmd* cmd_write = draw_list->CmdBuffer.Data + draw_list->CmdBuffer.Size - new_cmd_buffer_count; - ImDrawIdx* idx_write = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size - new_idx_buffer_count; - for (int i = 1; i < _Count; i++) - { - ImDrawChannel& ch = _Channels[i]; - if (int sz = ch._CmdBuffer.Size) { memcpy(cmd_write, ch._CmdBuffer.Data, sz * sizeof(ImDrawCmd)); cmd_write += sz; } - if (int sz = ch._IdxBuffer.Size) { memcpy(idx_write, ch._IdxBuffer.Data, sz * sizeof(ImDrawIdx)); idx_write += sz; } - } - draw_list->_IdxWritePtr = idx_write; - - // Ensure there's always a non-callback draw command trailing the command-buffer - if (draw_list->CmdBuffer.Size == 0 || draw_list->CmdBuffer.back().UserCallback != NULL) - draw_list->AddDrawCmd(); - - // If current command is used with different settings we need to add a new command - ImDrawCmd* curr_cmd = &draw_list->CmdBuffer.Data[draw_list->CmdBuffer.Size - 1]; - if (curr_cmd->ElemCount == 0) - ImDrawCmd_HeaderCopy(curr_cmd, &draw_list->_CmdHeader); // Copy ClipRect, TexRef, VtxOffset - else if (ImDrawCmd_HeaderCompare(curr_cmd, &draw_list->_CmdHeader) != 0) - draw_list->AddDrawCmd(); - - _Count = 1; -} - -void ImDrawListSplitter::SetCurrentChannel(ImDrawList* draw_list, int idx) -{ - IM_ASSERT(idx >= 0 && idx < _Count); - if (_Current == idx) - return; - - // Overwrite ImVector (12/16 bytes), four times. This is merely a silly optimization instead of doing .swap() - memcpy(&_Channels.Data[_Current]._CmdBuffer, &draw_list->CmdBuffer, sizeof(draw_list->CmdBuffer)); - memcpy(&_Channels.Data[_Current]._IdxBuffer, &draw_list->IdxBuffer, sizeof(draw_list->IdxBuffer)); - _Current = idx; - memcpy(&draw_list->CmdBuffer, &_Channels.Data[idx]._CmdBuffer, sizeof(draw_list->CmdBuffer)); - memcpy(&draw_list->IdxBuffer, &_Channels.Data[idx]._IdxBuffer, sizeof(draw_list->IdxBuffer)); - draw_list->_IdxWritePtr = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size; - - // If current command is used with different settings we need to add a new command - ImDrawCmd* curr_cmd = (draw_list->CmdBuffer.Size == 0) ? NULL : &draw_list->CmdBuffer.Data[draw_list->CmdBuffer.Size - 1]; - if (curr_cmd == NULL) - draw_list->AddDrawCmd(); - else if (curr_cmd->ElemCount == 0) - ImDrawCmd_HeaderCopy(curr_cmd, &draw_list->_CmdHeader); // Copy ClipRect, TexRef, VtxOffset - else if (ImDrawCmd_HeaderCompare(curr_cmd, &draw_list->_CmdHeader) != 0) - draw_list->AddDrawCmd(); -} - -//----------------------------------------------------------------------------- -// [SECTION] ImDrawData -//----------------------------------------------------------------------------- - -void ImDrawData::Clear() -{ - Valid = false; - CmdListsCount = TotalIdxCount = TotalVtxCount = 0; - CmdLists.resize(0); // The ImDrawList are NOT owned by ImDrawData but e.g. by ImGuiContext, so we don't clear them. - DisplayPos = DisplaySize = FramebufferScale = ImVec2(0.0f, 0.0f); - OwnerViewport = NULL; - Textures = NULL; -} - -// Important: 'out_list' is generally going to be draw_data->CmdLists, but may be another temporary list -// as long at it is expected that the result will be later merged into draw_data->CmdLists[]. -void ImGui::AddDrawListToDrawDataEx(ImDrawData* draw_data, ImVector<ImDrawList*>* out_list, ImDrawList* draw_list) -{ - if (draw_list->CmdBuffer.Size == 0) - return; - if (draw_list->CmdBuffer.Size == 1 && draw_list->CmdBuffer[0].ElemCount == 0 && draw_list->CmdBuffer[0].UserCallback == NULL) - return; - - // Draw list sanity check. Detect mismatch between PrimReserve() calls and incrementing _VtxCurrentIdx, _VtxWritePtr etc. - // May trigger for you if you are using PrimXXX functions incorrectly. - IM_ASSERT(draw_list->VtxBuffer.Size == 0 || draw_list->_VtxWritePtr == draw_list->VtxBuffer.Data + draw_list->VtxBuffer.Size); - IM_ASSERT(draw_list->IdxBuffer.Size == 0 || draw_list->_IdxWritePtr == draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size); - if (!(draw_list->Flags & ImDrawListFlags_AllowVtxOffset)) - IM_ASSERT((int)draw_list->_VtxCurrentIdx == draw_list->VtxBuffer.Size); - - // Check that draw_list doesn't use more vertices than indexable (default ImDrawIdx = unsigned short = 2 bytes = 64K vertices per ImDrawList = per window) - // If this assert triggers because you are drawing lots of stuff manually: - // - First, make sure you are coarse clipping yourself and not trying to draw many things outside visible bounds. - // Be mindful that the lower-level ImDrawList API doesn't filter vertices. Use the Metrics/Debugger window to inspect draw list contents. - // - If you want large meshes with more than 64K vertices, you can either: - // (A) Handle the ImDrawCmd::VtxOffset value in your renderer backend, and set 'io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset'. - // Most example backends already support this from 1.71. Pre-1.71 backends won't. - // Some graphics API such as GL ES 1/2 don't have a way to offset the starting vertex so it is not supported for them. - // (B) Or handle 32-bit indices in your renderer backend, and uncomment '#define ImDrawIdx unsigned int' line in imconfig.h. - // Most example backends already support this. For example, the OpenGL example code detect index size at compile-time: - // glDrawElements(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, idx_buffer_offset); - // Your own engine or render API may use different parameters or function calls to specify index sizes. - // 2 and 4 bytes indices are generally supported by most graphics API. - // - If for some reason neither of those solutions works for you, a workaround is to call BeginChild()/EndChild() before reaching - // the 64K limit to split your draw commands in multiple draw lists. - if (sizeof(ImDrawIdx) == 2) - IM_ASSERT(draw_list->_VtxCurrentIdx < (1 << 16) && "Too many vertices in ImDrawList using 16-bit indices. Read comment above"); - - // Resolve callback data pointers - if (draw_list->_CallbacksDataBuf.Size > 0) - for (ImDrawCmd& cmd : draw_list->CmdBuffer) - if (cmd.UserCallback != NULL && cmd.UserCallbackDataOffset != -1 && cmd.UserCallbackDataSize > 0) - cmd.UserCallbackData = draw_list->_CallbacksDataBuf.Data + cmd.UserCallbackDataOffset; - - // Add to output list + records state in ImDrawData - out_list->push_back(draw_list); - draw_data->CmdListsCount++; - draw_data->TotalVtxCount += draw_list->VtxBuffer.Size; - draw_data->TotalIdxCount += draw_list->IdxBuffer.Size; -} - -void ImDrawData::AddDrawList(ImDrawList* draw_list) -{ - IM_ASSERT(CmdLists.Size == CmdListsCount); - draw_list->_PopUnusedDrawCmd(); - ImGui::AddDrawListToDrawDataEx(this, &CmdLists, draw_list); -} - -// For backward compatibility: convert all buffers from indexed to de-indexed, in case you cannot render indexed. Note: this is slow and most likely a waste of resources. Always prefer indexed rendering! -void ImDrawData::DeIndexAllBuffers() -{ - ImVector<ImDrawVert> new_vtx_buffer; - TotalVtxCount = TotalIdxCount = 0; - for (int i = 0; i < CmdListsCount; i++) - { - ImDrawList* cmd_list = CmdLists[i]; - if (cmd_list->IdxBuffer.empty()) - continue; - new_vtx_buffer.resize(cmd_list->IdxBuffer.Size); - for (int j = 0; j < cmd_list->IdxBuffer.Size; j++) - new_vtx_buffer[j] = cmd_list->VtxBuffer[cmd_list->IdxBuffer[j]]; - cmd_list->VtxBuffer.swap(new_vtx_buffer); - cmd_list->IdxBuffer.resize(0); - TotalVtxCount += cmd_list->VtxBuffer.Size; - } -} - -// Helper to scale the ClipRect field of each ImDrawCmd. -// Use if your final output buffer is at a different scale than draw_data->DisplaySize, -// or if there is a difference between your window resolution and framebuffer resolution. -void ImDrawData::ScaleClipRects(const ImVec2& fb_scale) -{ - for (ImDrawList* draw_list : CmdLists) - for (ImDrawCmd& cmd : draw_list->CmdBuffer) - cmd.ClipRect = ImVec4(cmd.ClipRect.x * fb_scale.x, cmd.ClipRect.y * fb_scale.y, cmd.ClipRect.z * fb_scale.x, cmd.ClipRect.w * fb_scale.y); -} - -//----------------------------------------------------------------------------- -// [SECTION] Helpers ShadeVertsXXX functions -//----------------------------------------------------------------------------- - -// Generic linear color gradient, write to RGB fields, leave A untouched. -void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1) -{ - ImVec2 gradient_extent = gradient_p1 - gradient_p0; - float gradient_inv_length2 = 1.0f / ImLengthSqr(gradient_extent); - ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx; - ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx; - const int col0_r = (int)(col0 >> IM_COL32_R_SHIFT) & 0xFF; - const int col0_g = (int)(col0 >> IM_COL32_G_SHIFT) & 0xFF; - const int col0_b = (int)(col0 >> IM_COL32_B_SHIFT) & 0xFF; - const int col_delta_r = ((int)(col1 >> IM_COL32_R_SHIFT) & 0xFF) - col0_r; - const int col_delta_g = ((int)(col1 >> IM_COL32_G_SHIFT) & 0xFF) - col0_g; - const int col_delta_b = ((int)(col1 >> IM_COL32_B_SHIFT) & 0xFF) - col0_b; - for (ImDrawVert* vert = vert_start; vert < vert_end; vert++) - { - float d = ImDot(vert->pos - gradient_p0, gradient_extent); - float t = ImClamp(d * gradient_inv_length2, 0.0f, 1.0f); - int r = (int)(col0_r + col_delta_r * t); - int g = (int)(col0_g + col_delta_g * t); - int b = (int)(col0_b + col_delta_b * t); - vert->col = (r << IM_COL32_R_SHIFT) | (g << IM_COL32_G_SHIFT) | (b << IM_COL32_B_SHIFT) | (vert->col & IM_COL32_A_MASK); - } -} - -// Distribute UV over (a, b) rectangle -void ImGui::ShadeVertsLinearUV(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, bool clamp) -{ - const ImVec2 size = b - a; - const ImVec2 uv_size = uv_b - uv_a; - const ImVec2 scale = ImVec2( - size.x != 0.0f ? (uv_size.x / size.x) : 0.0f, - size.y != 0.0f ? (uv_size.y / size.y) : 0.0f); - - ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx; - ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx; - if (clamp) - { - const ImVec2 min = ImMin(uv_a, uv_b); - const ImVec2 max = ImMax(uv_a, uv_b); - for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex) - vertex->uv = ImClamp(uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale), min, max); - } - else - { - for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex) - vertex->uv = uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale); - } -} - -void ImGui::ShadeVertsTransformPos(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, const ImVec2& pivot_in, float cos_a, float sin_a, const ImVec2& pivot_out) -{ - ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx; - ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx; - for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex) - vertex->pos = ImRotate(vertex->pos- pivot_in, cos_a, sin_a) + pivot_out; -} - -//----------------------------------------------------------------------------- -// [SECTION] ImFontConfig -//----------------------------------------------------------------------------- - -// FIXME-NEWATLAS: Oversample specification could be more dynamic. For now, favoring automatic selection. -ImFontConfig::ImFontConfig() -{ - memset(this, 0, sizeof(*this)); - FontDataOwnedByAtlas = true; - OversampleH = 0; // Auto == 1 or 2 depending on size - OversampleV = 0; // Auto == 1 - GlyphMaxAdvanceX = FLT_MAX; - RasterizerMultiply = 1.0f; - RasterizerDensity = 1.0f; - EllipsisChar = 0; -} - -//----------------------------------------------------------------------------- -// [SECTION] ImTextureData -//----------------------------------------------------------------------------- -// - ImTextureData::Create() -// - ImTextureData::DestroyPixels() -//----------------------------------------------------------------------------- - -int ImTextureDataGetFormatBytesPerPixel(ImTextureFormat format) -{ - switch (format) - { - case ImTextureFormat_Alpha8: return 1; - case ImTextureFormat_RGBA32: return 4; - } - IM_ASSERT(0); - return 0; -} - -const char* ImTextureDataGetStatusName(ImTextureStatus status) -{ - switch (status) - { - case ImTextureStatus_OK: return "OK"; - case ImTextureStatus_Destroyed: return "Destroyed"; - case ImTextureStatus_WantCreate: return "WantCreate"; - case ImTextureStatus_WantUpdates: return "WantUpdates"; - case ImTextureStatus_WantDestroy: return "WantDestroy"; - } - return "N/A"; -} - -const char* ImTextureDataGetFormatName(ImTextureFormat format) -{ - switch (format) - { - case ImTextureFormat_Alpha8: return "Alpha8"; - case ImTextureFormat_RGBA32: return "RGBA32"; - } - return "N/A"; -} - -void ImTextureData::Create(ImTextureFormat format, int w, int h) -{ - DestroyPixels(); - Format = format; - Width = w; - Height = h; - BytesPerPixel = ImTextureDataGetFormatBytesPerPixel(format); - UseColors = false; - Pixels = (unsigned char*)IM_ALLOC(Width * Height * BytesPerPixel); - IM_ASSERT(Pixels != NULL); - memset(Pixels, 0, Width * Height * BytesPerPixel); - UsedRect.x = UsedRect.y = UsedRect.w = UsedRect.h = 0; - UpdateRect.x = UpdateRect.y = (unsigned short)~0; - UpdateRect.w = UpdateRect.h = 0; -} - -void ImTextureData::DestroyPixels() -{ - if (Pixels) - IM_FREE(Pixels); - Pixels = NULL; - UseColors = false; -} - -//----------------------------------------------------------------------------- -// [SECTION] ImFontAtlas, ImFontAtlasBuilder -//----------------------------------------------------------------------------- -// - Default texture data encoded in ASCII -// - ImFontAtlas() -// - ImFontAtlas::Clear() -// - ImFontAtlas::CompactCache() -// - ImFontAtlas::ClearInputData() -// - ImFontAtlas::ClearTexData() -// - ImFontAtlas::ClearFonts() -//----------------------------------------------------------------------------- -// - ImFontAtlasUpdateNewFrame() -// - ImFontAtlasTextureBlockConvert() -// - ImFontAtlasTextureBlockPostProcess() -// - ImFontAtlasTextureBlockPostProcessMultiply() -// - ImFontAtlasTextureBlockFill() -// - ImFontAtlasTextureBlockCopy() -// - ImFontAtlasTextureBlockQueueUpload() -//----------------------------------------------------------------------------- -// - ImFontAtlas::GetTexDataAsAlpha8() [legacy] -// - ImFontAtlas::GetTexDataAsRGBA32() [legacy] -// - ImFontAtlas::Build() [legacy] -//----------------------------------------------------------------------------- -// - ImFontAtlas::AddFont() -// - ImFontAtlas::AddFontDefault() -// - ImFontAtlas::AddFontFromFileTTF() -// - ImFontAtlas::AddFontFromMemoryTTF() -// - ImFontAtlas::AddFontFromMemoryCompressedTTF() -// - ImFontAtlas::AddFontFromMemoryCompressedBase85TTF() -// - ImFontAtlas::RemoveFont() -// - ImFontAtlasBuildNotifySetFont() -//----------------------------------------------------------------------------- -// - ImFontAtlas::AddCustomRect() -// - ImFontAtlas::RemoveCustomRect() -// - ImFontAtlas::GetCustomRect() -// - ImFontAtlas::AddCustomRectFontGlyph() [legacy] -// - ImFontAtlas::AddCustomRectFontGlyphForSize() [legacy] -// - ImFontAtlasGetMouseCursorTexData() -//----------------------------------------------------------------------------- -// - ImFontAtlasBuildMain() -// - ImFontAtlasBuildSetupFontLoader() -// - ImFontAtlasBuildPreloadAllGlyphRanges() -// - ImFontAtlasBuildUpdatePointers() -// - ImFontAtlasBuildRenderBitmapFromString() -// - ImFontAtlasBuildUpdateBasicTexData() -// - ImFontAtlasBuildUpdateLinesTexData() -// - ImFontAtlasBuildAddFont() -// - ImFontAtlasBuildSetupFontBakedEllipsis() -// - ImFontAtlasBuildSetupFontBakedBlanks() -// - ImFontAtlasBuildSetupFontBakedFallback() -// - ImFontAtlasBuildSetupFontSpecialGlyphs() -// - ImFontAtlasBuildDiscardBakes() -// - ImFontAtlasBuildDiscardFontBakedGlyph() -// - ImFontAtlasBuildDiscardFontBaked() -// - ImFontAtlasBuildDiscardFontBakes() -//----------------------------------------------------------------------------- -// - ImFontAtlasAddDrawListSharedData() -// - ImFontAtlasRemoveDrawListSharedData() -// - ImFontAtlasUpdateDrawListsTextures() -// - ImFontAtlasUpdateDrawListsSharedData() -//----------------------------------------------------------------------------- -// - ImFontAtlasBuildSetTexture() -// - ImFontAtlasBuildAddTexture() -// - ImFontAtlasBuildMakeSpace() -// - ImFontAtlasBuildRepackTexture() -// - ImFontAtlasBuildGrowTexture() -// - ImFontAtlasBuildRepackOrGrowTexture() -// - ImFontAtlasBuildGetTextureSizeEstimate() -// - ImFontAtlasBuildCompactTexture() -// - ImFontAtlasBuildInit() -// - ImFontAtlasBuildDestroy() -//----------------------------------------------------------------------------- -// - ImFontAtlasPackInit() -// - ImFontAtlasPackAllocRectEntry() -// - ImFontAtlasPackReuseRectEntry() -// - ImFontAtlasPackDiscardRect() -// - ImFontAtlasPackAddRect() -// - ImFontAtlasPackGetRect() -//----------------------------------------------------------------------------- -// - ImFontBaked_BuildGrowIndex() -// - ImFontBaked_BuildLoadGlyph() -// - ImFontBaked_BuildLoadGlyphAdvanceX() -// - ImFontAtlasDebugLogTextureRequests() -//----------------------------------------------------------------------------- -// - ImFontAtlasGetFontLoaderForStbTruetype() -//----------------------------------------------------------------------------- - -// A work of art lies ahead! (. = white layer, X = black layer, others are blank) -// The 2x2 white texels on the top left are the ones we'll use everywhere in Dear ImGui to render filled shapes. -// (This is used when io.MouseDrawCursor = true) -const int FONT_ATLAS_DEFAULT_TEX_DATA_W = 122; // Actual texture will be 2 times that + 1 spacing. -const int FONT_ATLAS_DEFAULT_TEX_DATA_H = 27; -static const char FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[FONT_ATLAS_DEFAULT_TEX_DATA_W * FONT_ATLAS_DEFAULT_TEX_DATA_H + 1] = -{ - "..- -XXXXXXX- X - X -XXXXXXX - XXXXXXX- XX - XX XX " - "..- -X.....X- X.X - X.X -X.....X - X.....X- X..X -X..X X..X" - "--- -XXX.XXX- X...X - X...X -X....X - X....X- X..X -X...X X...X" - "X - X.X - X.....X - X.....X -X...X - X...X- X..X - X...X X...X " - "XX - X.X -X.......X- X.......X -X..X.X - X.X..X- X..X - X...X...X " - "X.X - X.X -XXXX.XXXX- XXXX.XXXX -X.X X.X - X.X X.X- X..XXX - X.....X " - "X..X - X.X - X.X - X.X -XX X.X - X.X XX- X..X..XXX - X...X " - "X...X - X.X - X.X - XX X.X XX - X.X - X.X - X..X..X..XX - X.X " - "X....X - X.X - X.X - X.X X.X X.X - X.X - X.X - X..X..X..X.X - X...X " - "X.....X - X.X - X.X - X..X X.X X..X - X.X - X.X -XXX X..X..X..X..X- X.....X " - "X......X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X XX-XX X.X -X..XX........X..X- X...X...X " - "X.......X - X.X - X.X -X.....................X- X.X X.X-X.X X.X -X...X...........X- X...X X...X " - "X........X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X..X-X..X.X - X..............X-X...X X...X" - "X.........X -XXX.XXX- X.X - X..X X.X X..X - X...X-X...X - X.............X-X..X X..X" - "X..........X-X.....X- X.X - X.X X.X X.X - X....X-X....X - X.............X- XX XX " - "X......XXXXX-XXXXXXX- X.X - XX X.X XX - X.....X-X.....X - X............X--------------" - "X...X..X --------- X.X - X.X - XXXXXXX-XXXXXXX - X...........X - " - "X..X X..X - -XXXX.XXXX- XXXX.XXXX ------------------------------------- X..........X - " - "X.X X..X - -X.......X- X.......X - XX XX - - X..........X - " - "XX X..X - - X.....X - X.....X - X.X X.X - - X........X - " - " X..X - - X...X - X...X - X..X X..X - - X........X - " - " XX - - X.X - X.X - X...XXXXXXXXXXXXX...X - - XXXXXXXXXX - " - "------------- - X - X -X.....................X- ------------------- " - " ----------------------------------- X...XXXXXXXXXXXXX...X - " - " - X..X X..X - " - " - X.X X.X - " - " - XX XX - " -}; - -static const ImVec2 FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[ImGuiMouseCursor_COUNT][3] = -{ - // Pos ........ Size ......... Offset ...... - { ImVec2( 0,3), ImVec2(12,19), ImVec2( 0, 0) }, // ImGuiMouseCursor_Arrow - { ImVec2(13,0), ImVec2( 7,16), ImVec2( 1, 8) }, // ImGuiMouseCursor_TextInput - { ImVec2(31,0), ImVec2(23,23), ImVec2(11,11) }, // ImGuiMouseCursor_ResizeAll - { ImVec2(21,0), ImVec2( 9,23), ImVec2( 4,11) }, // ImGuiMouseCursor_ResizeNS - { ImVec2(55,18),ImVec2(23, 9), ImVec2(11, 4) }, // ImGuiMouseCursor_ResizeEW - { ImVec2(73,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNESW - { ImVec2(55,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNWSE - { ImVec2(91,0), ImVec2(17,22), ImVec2( 5, 0) }, // ImGuiMouseCursor_Hand - { ImVec2(0,3), ImVec2(12,19), ImVec2(0, 0) }, // ImGuiMouseCursor_Wait // Arrow + custom code in ImGui::RenderMouseCursor() - { ImVec2(0,3), ImVec2(12,19), ImVec2(0, 0) }, // ImGuiMouseCursor_Progress // Arrow + custom code in ImGui::RenderMouseCursor() - { ImVec2(109,0),ImVec2(13,15), ImVec2( 6, 7) }, // ImGuiMouseCursor_NotAllowed -}; - -#define IM_FONTGLYPH_INDEX_UNUSED ((ImU16)-1) // 0xFFFF -#define IM_FONTGLYPH_INDEX_NOT_FOUND ((ImU16)-2) // 0xFFFE - -ImFontAtlas::ImFontAtlas() -{ - memset(this, 0, sizeof(*this)); - TexDesiredFormat = ImTextureFormat_RGBA32; - TexGlyphPadding = 1; - TexMinWidth = 512; - TexMinHeight = 128; - TexMaxWidth = 8192; - TexMaxHeight = 8192; - RendererHasTextures = false; // Assumed false by default, as apps can call e.g Atlas::Build() after backend init and before ImGui can update. - TexNextUniqueID = 1; - FontNextUniqueID = 1; - Builder = NULL; -} - -ImFontAtlas::~ImFontAtlas() -{ - IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas!"); - RendererHasTextures = false; // Full Clear() is supported, but ClearTexData() only isn't. - ClearFonts(); - ClearTexData(); - TexList.clear_delete(); - TexData = NULL; -} - -void ImFontAtlas::Clear() -{ - bool backup_renderer_has_textures = RendererHasTextures; - RendererHasTextures = false; // Full Clear() is supported, but ClearTexData() only isn't. - ClearFonts(); - ClearTexData(); - RendererHasTextures = backup_renderer_has_textures; -} - -void ImFontAtlas::CompactCache() -{ - ImFontAtlasTextureCompact(this); -} - -void ImFontAtlas::SetFontLoader(const ImFontLoader* font_loader) -{ - ImFontAtlasBuildSetupFontLoader(this, font_loader); -} - -void ImFontAtlas::ClearInputData() -{ - IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas!"); - - for (ImFont* font : Fonts) - ImFontAtlasFontDestroyOutput(this, font); - for (ImFontConfig& font_cfg : Sources) - ImFontAtlasFontDestroySourceData(this, &font_cfg); - for (ImFont* font : Fonts) - { - // When clearing this we lose access to the font name and other information used to build the font. - font->Sources.clear(); - font->Flags |= ImFontFlags_NoLoadGlyphs; - } - Sources.clear(); -} - -// Clear CPU-side copy of the texture data. -void ImFontAtlas::ClearTexData() -{ - IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas!"); - IM_ASSERT(RendererHasTextures == false && "Not supported for dynamic atlases, but you may call Clear()."); - for (ImTextureData* tex : TexList) - tex->DestroyPixels(); - //Locked = true; // Hoped to be able to lock this down but some reload patterns may not be happy with it. -} - -void ImFontAtlas::ClearFonts() -{ - // FIXME-NEWATLAS: Illegal to remove currently bound font. - IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas!"); - ImFontAtlasBuildDestroy(this); - ClearInputData(); - Fonts.clear_delete(); - TexIsBuilt = false; - for (ImDrawListSharedData* shared_data : DrawListSharedDatas) - if (shared_data->FontAtlas == this) - { - shared_data->Font = NULL; - shared_data->FontScale = shared_data->FontSize = 0.0f; - } -} - -static void ImFontAtlasBuildUpdateRendererHasTexturesFromContext(ImFontAtlas* atlas) -{ - // [LEGACY] Copy back the ImGuiBackendFlags_RendererHasTextures flag from ImGui context. - // - This is the 1% exceptional case where that dependency if useful, to bypass an issue where otherwise at the - // time of an early call to Build(), it would be impossible for us to tell if the backend supports texture update. - // - Without this hack, we would have quite a pitfall as many legacy codebases have an early call to Build(). - // Whereas conversely, the portion of people using ImDrawList without ImGui is expected to be pathologically rare. - for (ImDrawListSharedData* shared_data : atlas->DrawListSharedDatas) - if (ImGuiContext* imgui_ctx = shared_data->Context) - { - atlas->RendererHasTextures = (imgui_ctx->IO.BackendFlags & ImGuiBackendFlags_RendererHasTextures) != 0; - break; - } -} - -// Called by NewFrame() for atlases owned by a context. -// If you manually manage font atlases, you'll need to call this yourself. -// - 'frame_count' needs to be provided because we can gc/prioritize baked fonts based on their age. -// - 'frame_count' may not match those of all imgui contexts using this atlas, as contexts may be updated as different frequencies. But generally you can use ImGui::GetFrameCount() on one of your context. -void ImFontAtlasUpdateNewFrame(ImFontAtlas* atlas, int frame_count, bool renderer_has_textures) -{ - IM_ASSERT(atlas->Builder == NULL || atlas->Builder->FrameCount < frame_count); // Protection against being called twice. - atlas->RendererHasTextures = renderer_has_textures; - - // Check that font atlas was built or backend support texture reload in which case we can build now - if (atlas->RendererHasTextures) - { - atlas->TexIsBuilt = true; - if (atlas->Builder == NULL) // This will only happen if fonts were not already loaded. - ImFontAtlasBuildMain(atlas); - } - else // Legacy backend - { - IM_ASSERT_USER_ERROR(atlas->TexIsBuilt, "Backend does not support ImGuiBackendFlags_RendererHasTextures, and font atlas is not built! Update backend OR make sure you called ImGui_ImplXXXX_NewFrame() function for renderer backend, which should call io.Fonts->GetTexDataAsRGBA32() / GetTexDataAsAlpha8()."); - } - if (atlas->TexIsBuilt && atlas->Builder->PreloadedAllGlyphsRanges) - IM_ASSERT_USER_ERROR(atlas->RendererHasTextures == false, "Called ImFontAtlas::Build() before ImGuiBackendFlags_RendererHasTextures got set! With new backends: you don't need to call Build()."); - - // Clear BakedCurrent cache, this is important because it ensure the uncached path gets taken once. - // We also rely on ImFontBaked* pointers never crossing frames. - ImFontAtlasBuilder* builder = atlas->Builder; - builder->FrameCount = frame_count; - for (ImFont* font : atlas->Fonts) - font->LastBaked = NULL; - - // Garbage collect BakedPool - if (builder->BakedDiscardedCount > 0) - { - int dst_n = 0, src_n = 0; - for (; src_n < builder->BakedPool.Size; src_n++) - { - ImFontBaked* p_src = &builder->BakedPool[src_n]; - if (p_src->WantDestroy) - continue; - ImFontBaked* p_dst = &builder->BakedPool[dst_n++]; - if (p_dst == p_src) - continue; - memcpy(p_dst, p_src, sizeof(ImFontBaked)); - builder->BakedMap.SetVoidPtr(p_dst->BakedId, p_dst); - } - IM_ASSERT(dst_n + builder->BakedDiscardedCount == src_n); - builder->BakedPool.Size -= builder->BakedDiscardedCount; - builder->BakedDiscardedCount = 0; - } - - // Update texture status - for (int tex_n = 0; tex_n < atlas->TexList.Size; tex_n++) - { - ImTextureData* tex = atlas->TexList[tex_n]; - bool remove_from_list = false; - if (tex->Status == ImTextureStatus_OK) - { - tex->Updates.resize(0); - tex->UpdateRect.x = tex->UpdateRect.y = (unsigned short)~0; - tex->UpdateRect.w = tex->UpdateRect.h = 0; - } - if (tex->Status == ImTextureStatus_WantCreate && atlas->RendererHasTextures) - IM_ASSERT(tex->TexID == ImTextureID_Invalid && tex->BackendUserData == NULL && "Backend set texture's TexID/BackendUserData but did not update Status to OK."); - - if (tex->Status == ImTextureStatus_Destroyed) - { - IM_ASSERT(tex->TexID == ImTextureID_Invalid && tex->BackendUserData == NULL && "Backend set texture Status to Destroyed but did not clear TexID/BackendUserData!"); - if (tex->WantDestroyNextFrame) - remove_from_list = true; // Destroy was scheduled by us - else - tex->Status = ImTextureStatus_WantCreate; // Destroy was done was backend (e.g. freed resources mid-run) - } - else if (tex->WantDestroyNextFrame && tex->Status != ImTextureStatus_WantDestroy) - { - // Request destroy. Keep bool as it allows us to keep track of things. - // We don't destroy pixels right away, as backend may have an in-flight copy from RAM. - IM_ASSERT(tex->Status == ImTextureStatus_OK || tex->Status == ImTextureStatus_WantCreate || tex->Status == ImTextureStatus_WantUpdates); - tex->Status = ImTextureStatus_WantDestroy; - } - - // The backend may need defer destroying by a few frames, to handle texture used by previous in-flight rendering. - // We allow the texture staying in _WantDestroy state and increment a counter which the backend can use to take its decision. - if (tex->Status == ImTextureStatus_WantDestroy) - tex->UnusedFrames++; - - // If a texture has never reached the backend, they don't need to know about it. - if (tex->Status == ImTextureStatus_WantDestroy && tex->TexID == ImTextureID_Invalid && tex->BackendUserData == NULL) - remove_from_list = true; - - // Destroy and remove - if (remove_from_list) - { - tex->DestroyPixels(); - IM_DELETE(tex); - atlas->TexList.erase(atlas->TexList.begin() + tex_n); - tex_n--; - } - } -} - -void ImFontAtlasTextureBlockConvert(const unsigned char* src_pixels, ImTextureFormat src_fmt, int src_pitch, unsigned char* dst_pixels, ImTextureFormat dst_fmt, int dst_pitch, int w, int h) -{ - IM_ASSERT(src_pixels != NULL && dst_pixels != NULL); - if (src_fmt == dst_fmt) - { - int line_sz = w * ImTextureDataGetFormatBytesPerPixel(src_fmt); - for (int ny = h; ny > 0; ny--, src_pixels += src_pitch, dst_pixels += dst_pitch) - memcpy(dst_pixels, src_pixels, line_sz); - } - else if (src_fmt == ImTextureFormat_Alpha8 && dst_fmt == ImTextureFormat_RGBA32) - { - for (int ny = h; ny > 0; ny--, src_pixels += src_pitch, dst_pixels += dst_pitch) - { - const ImU8* src_p = (const ImU8*)src_pixels; - ImU32* dst_p = (ImU32*)(void*)dst_pixels; - for (int nx = w; nx > 0; nx--) - *dst_p++ = IM_COL32(255, 255, 255, (unsigned int)(*src_p++)); - } - } - else if (src_fmt == ImTextureFormat_RGBA32 && dst_fmt == ImTextureFormat_Alpha8) - { - for (int ny = h; ny > 0; ny--, src_pixels += src_pitch, dst_pixels += dst_pitch) - { - const ImU32* src_p = (const ImU32*)(void*)src_pixels; - ImU8* dst_p = (ImU8*)dst_pixels; - for (int nx = w; nx > 0; nx--) - *dst_p++ = ((*src_p++) >> IM_COL32_A_SHIFT) & 0xFF; - } - } - else - { - IM_ASSERT(0); - } -} - -// Source buffer may be written to (used for in-place mods). -// Post-process hooks may eventually be added here. -void ImFontAtlasTextureBlockPostProcess(ImFontAtlasPostProcessData* data) -{ - // Multiply operator (legacy) - if (data->FontSrc->RasterizerMultiply != 1.0f) - ImFontAtlasTextureBlockPostProcessMultiply(data, data->FontSrc->RasterizerMultiply); -} - -void ImFontAtlasTextureBlockPostProcessMultiply(ImFontAtlasPostProcessData* data, float multiply_factor) -{ - unsigned char* pixels = (unsigned char*)data->Pixels; - int pitch = data->Pitch; - if (data->Format == ImTextureFormat_Alpha8) - { - for (int ny = data->Height; ny > 0; ny--, pixels += pitch) - { - ImU8* p = (ImU8*)pixels; - for (int nx = data->Width; nx > 0; nx--, p++) - { - unsigned int v = ImMin((unsigned int)(*p * multiply_factor), (unsigned int)255); - *p = (unsigned char)v; - } - } - } - else if (data->Format == ImTextureFormat_RGBA32) //-V547 - { - for (int ny = data->Height; ny > 0; ny--, pixels += pitch) - { - ImU32* p = (ImU32*)(void*)pixels; - for (int nx = data->Width; nx > 0; nx--, p++) - { - unsigned int a = ImMin((unsigned int)(((*p >> IM_COL32_A_SHIFT) & 0xFF) * multiply_factor), (unsigned int)255); - *p = IM_COL32((*p >> IM_COL32_R_SHIFT) & 0xFF, (*p >> IM_COL32_G_SHIFT) & 0xFF, (*p >> IM_COL32_B_SHIFT) & 0xFF, a); - } - } - } - else - { - IM_ASSERT(0); - } -} - -// Fill with single color. We don't use this directly but it is convenient for anyone working on uploading custom rects. -void ImFontAtlasTextureBlockFill(ImTextureData* dst_tex, int dst_x, int dst_y, int w, int h, ImU32 col) -{ - if (dst_tex->Format == ImTextureFormat_Alpha8) - { - ImU8 col_a = (col >> IM_COL32_A_SHIFT) & 0xFF; - for (int y = 0; y < h; y++) - memset((ImU8*)dst_tex->GetPixelsAt(dst_x, dst_y + y), col_a, w); - } - else - { - for (int y = 0; y < h; y++) - { - ImU32* p = (ImU32*)(void*)dst_tex->GetPixelsAt(dst_x, dst_y + y); - for (int x = w; x > 0; x--, p++) - *p = col; - } - } -} - -// Copy block from one texture to another -void ImFontAtlasTextureBlockCopy(ImTextureData* src_tex, int src_x, int src_y, ImTextureData* dst_tex, int dst_x, int dst_y, int w, int h) -{ - IM_ASSERT(src_tex->Pixels != NULL && dst_tex->Pixels != NULL); - IM_ASSERT(src_tex->Format == dst_tex->Format); - IM_ASSERT(src_x >= 0 && src_x + w <= src_tex->Width); - IM_ASSERT(src_y >= 0 && src_y + h <= src_tex->Height); - IM_ASSERT(dst_x >= 0 && dst_x + w <= dst_tex->Width); - IM_ASSERT(dst_y >= 0 && dst_y + h <= dst_tex->Height); - for (int y = 0; y < h; y++) - memcpy(dst_tex->GetPixelsAt(dst_x, dst_y + y), src_tex->GetPixelsAt(src_x, src_y + y), w * dst_tex->BytesPerPixel); -} - -// Queue texture block update for renderer backend -void ImFontAtlasTextureBlockQueueUpload(ImFontAtlas* atlas, ImTextureData* tex, int x, int y, int w, int h) -{ - IM_ASSERT(tex->Status != ImTextureStatus_WantDestroy && tex->Status != ImTextureStatus_Destroyed); - IM_ASSERT(x >= 0 && x <= 0xFFFF && y >= 0 && y <= 0xFFFF && w >= 0 && x + w <= 0x10000 && h >= 0 && y + h <= 0x10000); - IM_UNUSED(atlas); - - ImTextureRect req = { (unsigned short)x, (unsigned short)y, (unsigned short)w, (unsigned short)h }; - int new_x1 = ImMax(tex->UpdateRect.w == 0 ? 0 : tex->UpdateRect.x + tex->UpdateRect.w, req.x + req.w); - int new_y1 = ImMax(tex->UpdateRect.h == 0 ? 0 : tex->UpdateRect.y + tex->UpdateRect.h, req.y + req.h); - tex->UpdateRect.x = ImMin(tex->UpdateRect.x, req.x); - tex->UpdateRect.y = ImMin(tex->UpdateRect.y, req.y); - tex->UpdateRect.w = (unsigned short)(new_x1 - tex->UpdateRect.x); - tex->UpdateRect.h = (unsigned short)(new_y1 - tex->UpdateRect.y); - tex->UsedRect.x = ImMin(tex->UsedRect.x, req.x); - tex->UsedRect.y = ImMin(tex->UsedRect.y, req.y); - tex->UsedRect.w = (unsigned short)(ImMax(tex->UsedRect.x + tex->UsedRect.w, req.x + req.w) - tex->UsedRect.x); - tex->UsedRect.h = (unsigned short)(ImMax(tex->UsedRect.y + tex->UsedRect.h, req.y + req.h) - tex->UsedRect.y); - atlas->TexIsBuilt = false; - - // No need to queue if status is _WantCreate - if (tex->Status == ImTextureStatus_OK || tex->Status == ImTextureStatus_WantUpdates) - { - tex->Status = ImTextureStatus_WantUpdates; - tex->Updates.push_back(req); - } -} - -#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS -static void GetTexDataAsFormat(ImFontAtlas* atlas, ImTextureFormat format, unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel) -{ - ImTextureData* tex = atlas->TexData; - if (!atlas->TexIsBuilt || tex == NULL || tex->Pixels == NULL || atlas->TexDesiredFormat != format) - { - atlas->TexDesiredFormat = format; - atlas->Build(); - tex = atlas->TexData; - } - if (out_pixels) { *out_pixels = (unsigned char*)tex->Pixels; }; - if (out_width) { *out_width = tex->Width; }; - if (out_height) { *out_height = tex->Height; }; - if (out_bytes_per_pixel) { *out_bytes_per_pixel = tex->BytesPerPixel; } -} - -void ImFontAtlas::GetTexDataAsAlpha8(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel) -{ - GetTexDataAsFormat(this, ImTextureFormat_Alpha8, out_pixels, out_width, out_height, out_bytes_per_pixel); -} - -void ImFontAtlas::GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel) -{ - GetTexDataAsFormat(this, ImTextureFormat_RGBA32, out_pixels, out_width, out_height, out_bytes_per_pixel); -} - -bool ImFontAtlas::Build() -{ - ImFontAtlasBuildMain(this); - return true; -} -#endif // #ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS - -ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg_in) -{ - // Sanity Checks - IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas!"); - IM_ASSERT((font_cfg_in->FontData != NULL && font_cfg_in->FontDataSize > 0) || (font_cfg_in->FontLoader != NULL)); - //IM_ASSERT(font_cfg_in->SizePixels > 0.0f && "Is ImFontConfig struct correctly initialized?"); - IM_ASSERT(font_cfg_in->RasterizerDensity > 0.0f && "Is ImFontConfig struct correctly initialized?"); - if (font_cfg_in->GlyphOffset.x != 0.0f || font_cfg_in->GlyphOffset.y != 0.0f || font_cfg_in->GlyphMinAdvanceX != 0.0f || font_cfg_in->GlyphMaxAdvanceX != FLT_MAX) - IM_ASSERT(font_cfg_in->SizePixels != 0.0f && "Specifying glyph offset/advances requires a reference size to base it on."); - - // Lazily create builder on the first call to AddFont - if (Builder == NULL) - ImFontAtlasBuildInit(this); - - // Create new font - ImFont* font; - if (!font_cfg_in->MergeMode) - { - font = IM_NEW(ImFont)(); - font->FontId = FontNextUniqueID++; - font->Flags = font_cfg_in->Flags; - font->LegacySize = font_cfg_in->SizePixels; - font->CurrentRasterizerDensity = font_cfg_in->RasterizerDensity; - Fonts.push_back(font); - } - else - { - IM_ASSERT(Fonts.Size > 0 && "Cannot use MergeMode for the first font"); // When using MergeMode make sure that a font has already been added before. You can use ImGui::GetIO().Fonts->AddFontDefault() to add the default imgui font. - font = Fonts.back(); - } - - // Add to list - Sources.push_back(*font_cfg_in); - ImFontConfig* font_cfg = &Sources.back(); - if (font_cfg->DstFont == NULL) - font_cfg->DstFont = font; - font->Sources.push_back(font_cfg); - ImFontAtlasBuildUpdatePointers(this); // Pointers to Sources are otherwise dangling after we called Sources.push_back(). - - if (font_cfg->FontDataOwnedByAtlas == false) - { - font_cfg->FontDataOwnedByAtlas = true; - font_cfg->FontData = ImMemdup(font_cfg->FontData, (size_t)font_cfg->FontDataSize); - } - - // Sanity check - // We don't round cfg.SizePixels yet as relative size of merged fonts are used afterwards. - if (font_cfg->GlyphExcludeRanges != NULL) - { - int size = 0; - for (const ImWchar* p = font_cfg->GlyphExcludeRanges; p[0] != 0; p++, size++) {} - IM_ASSERT((size & 1) == 0 && "GlyphExcludeRanges[] size must be multiple of two!"); - IM_ASSERT((size <= 64) && "GlyphExcludeRanges[] size must be small!"); - font_cfg->GlyphExcludeRanges = (ImWchar*)ImMemdup(font_cfg->GlyphExcludeRanges, sizeof(font_cfg->GlyphExcludeRanges[0]) * (size + 1)); - } - if (font_cfg->FontLoader != NULL) - { - IM_ASSERT(font_cfg->FontLoader->FontBakedLoadGlyph != NULL); - IM_ASSERT(font_cfg->FontLoader->LoaderInit == NULL && font_cfg->FontLoader->LoaderShutdown == NULL); // FIXME-NEWATLAS: Unsupported yet. - } - IM_ASSERT(font_cfg->FontLoaderData == NULL); - - if (!ImFontAtlasFontSourceInit(this, font_cfg)) - { - // Rollback (this is a fragile/rarely exercised code-path. TestSuite's "misc_atlas_add_invalid_font" aim to test this) - ImFontAtlasFontDestroySourceData(this, font_cfg); - Sources.pop_back(); - font->Sources.pop_back(); - if (!font_cfg->MergeMode) - { - IM_DELETE(font); - Fonts.pop_back(); - } - return NULL; - } - ImFontAtlasFontSourceAddToFont(this, font, font_cfg); - - return font; -} - -// Default font TTF is compressed with stb_compress then base85 encoded (see misc/fonts/binary_to_compressed_c.cpp for encoder) -static unsigned int stb_decompress_length(const unsigned char* input); -static unsigned int stb_decompress(unsigned char* output, const unsigned char* input, unsigned int length); -static unsigned int Decode85Byte(char c) { return c >= '\\' ? c-36 : c-35; } -static void Decode85(const unsigned char* src, unsigned char* dst) -{ - while (*src) - { - unsigned int tmp = Decode85Byte(src[0]) + 85 * (Decode85Byte(src[1]) + 85 * (Decode85Byte(src[2]) + 85 * (Decode85Byte(src[3]) + 85 * Decode85Byte(src[4])))); - dst[0] = ((tmp >> 0) & 0xFF); dst[1] = ((tmp >> 8) & 0xFF); dst[2] = ((tmp >> 16) & 0xFF); dst[3] = ((tmp >> 24) & 0xFF); // We can't assume little-endianness. - src += 5; - dst += 4; - } -} -#ifndef IMGUI_DISABLE_DEFAULT_FONT -static const char* GetDefaultCompressedFontDataTTF(int* out_size); -#endif - -// Load embedded ProggyClean.ttf at size 13, disable oversampling -ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template) -{ -#ifndef IMGUI_DISABLE_DEFAULT_FONT - ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); - if (!font_cfg_template) - { - font_cfg.OversampleH = font_cfg.OversampleV = 1; - font_cfg.PixelSnapH = true; - } - if (font_cfg.SizePixels <= 0.0f) - font_cfg.SizePixels = 13.0f * 1.0f; - if (font_cfg.Name[0] == '\0') - ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "ProggyClean.ttf"); - font_cfg.EllipsisChar = (ImWchar)0x0085; - font_cfg.GlyphOffset.y += 1.0f * IM_TRUNC(font_cfg.SizePixels / 13.0f); // Add +1 offset per 13 units - - int ttf_compressed_size = 0; - const char* ttf_compressed = GetDefaultCompressedFontDataTTF(&ttf_compressed_size); - const ImWchar* glyph_ranges = font_cfg.GlyphRanges != NULL ? font_cfg.GlyphRanges : GetGlyphRangesDefault(); - ImFont* font = AddFontFromMemoryCompressedTTF(ttf_compressed, ttf_compressed_size, font_cfg.SizePixels, &font_cfg, glyph_ranges); - return font; -#else - IM_ASSERT(0 && "AddFontDefault() disabled in this build."); - IM_UNUSED(font_cfg_template); - return NULL; -#endif // #ifndef IMGUI_DISABLE_DEFAULT_FONT -} - -ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges) -{ - IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas!"); - size_t data_size = 0; - void* data = ImFileLoadToMemory(filename, "rb", &data_size, 0); - if (!data) - { - if (font_cfg_template == NULL || (font_cfg_template->Flags & ImFontFlags_NoLoadError) == 0) - { - IMGUI_DEBUG_LOG("While loading '%s'\n", filename); - IM_ASSERT_USER_ERROR(0, "Could not load font file!"); - } - return NULL; - } - ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); - if (font_cfg.Name[0] == '\0') - { - // Store a short copy of filename into into the font name for convenience - const char* p; - for (p = filename + ImStrlen(filename); p > filename && p[-1] != '/' && p[-1] != '\\'; p--) {} - ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "%s", p); - } - return AddFontFromMemoryTTF(data, (int)data_size, size_pixels, &font_cfg, glyph_ranges); -} - -// NB: Transfer ownership of 'ttf_data' to ImFontAtlas, unless font_cfg_template->FontDataOwnedByAtlas == false. Owned TTF buffer will be deleted after Build(). -ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* font_data, int font_data_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges) -{ - IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas!"); - ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); - IM_ASSERT(font_cfg.FontData == NULL); - IM_ASSERT(font_data_size > 100 && "Incorrect value for font_data_size!"); // Heuristic to prevent accidentally passing a wrong value to font_data_size. - font_cfg.FontData = font_data; - font_cfg.FontDataSize = font_data_size; - font_cfg.SizePixels = size_pixels > 0.0f ? size_pixels : font_cfg.SizePixels; - if (glyph_ranges) - font_cfg.GlyphRanges = glyph_ranges; - return AddFont(&font_cfg); -} - -ImFont* ImFontAtlas::AddFontFromMemoryCompressedTTF(const void* compressed_ttf_data, int compressed_ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges) -{ - const unsigned int buf_decompressed_size = stb_decompress_length((const unsigned char*)compressed_ttf_data); - unsigned char* buf_decompressed_data = (unsigned char*)IM_ALLOC(buf_decompressed_size); - stb_decompress(buf_decompressed_data, (const unsigned char*)compressed_ttf_data, (unsigned int)compressed_ttf_size); - - ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); - IM_ASSERT(font_cfg.FontData == NULL); - font_cfg.FontDataOwnedByAtlas = true; - return AddFontFromMemoryTTF(buf_decompressed_data, (int)buf_decompressed_size, size_pixels, &font_cfg, glyph_ranges); -} - -ImFont* ImFontAtlas::AddFontFromMemoryCompressedBase85TTF(const char* compressed_ttf_data_base85, float size_pixels, const ImFontConfig* font_cfg, const ImWchar* glyph_ranges) -{ - int compressed_ttf_size = (((int)ImStrlen(compressed_ttf_data_base85) + 4) / 5) * 4; - void* compressed_ttf = IM_ALLOC((size_t)compressed_ttf_size); - Decode85((const unsigned char*)compressed_ttf_data_base85, (unsigned char*)compressed_ttf); - ImFont* font = AddFontFromMemoryCompressedTTF(compressed_ttf, compressed_ttf_size, size_pixels, font_cfg, glyph_ranges); - IM_FREE(compressed_ttf); - return font; -} - -// On font removal we need to remove references (otherwise we could queue removal?) -// We allow old_font == new_font which forces updating all values (e.g. sizes) -static void ImFontAtlasBuildNotifySetFont(ImFontAtlas* atlas, ImFont* old_font, ImFont* new_font) -{ - for (ImDrawListSharedData* shared_data : atlas->DrawListSharedDatas) - { - if (shared_data->Font == old_font) - shared_data->Font = new_font; - if (ImGuiContext* ctx = shared_data->Context) - { - if (ctx->IO.FontDefault == old_font) - ctx->IO.FontDefault = new_font; - if (ctx->Font == old_font) - { - ImGuiContext* curr_ctx = ImGui::GetCurrentContext(); - bool need_bind_ctx = ctx != curr_ctx; - if (need_bind_ctx) - ImGui::SetCurrentContext(ctx); - ImGui::SetCurrentFont(new_font, ctx->FontSizeBase, ctx->FontSize); - if (need_bind_ctx) - ImGui::SetCurrentContext(curr_ctx); - } - for (ImFontStackData& font_stack_data : ctx->FontStack) - if (font_stack_data.Font == old_font) - font_stack_data.Font = new_font; - } - } -} - -void ImFontAtlas::RemoveFont(ImFont* font) -{ - IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas!"); - font->ClearOutputData(); - - ImFontAtlasFontDestroyOutput(this, font); - for (ImFontConfig* src : font->Sources) - ImFontAtlasFontDestroySourceData(this, src); - for (int src_n = 0; src_n < Sources.Size; src_n++) - if (Sources[src_n].DstFont == font) - Sources.erase(&Sources[src_n--]); - - bool removed = Fonts.find_erase(font); - IM_ASSERT(removed); - IM_UNUSED(removed); - - ImFontAtlasBuildUpdatePointers(this); - - font->ContainerAtlas = NULL; - IM_DELETE(font); - - // Notify external systems - ImFont* new_current_font = Fonts.empty() ? NULL : Fonts[0]; - ImFontAtlasBuildNotifySetFont(this, font, new_current_font); -} - -// At it is common to do an AddCustomRect() followed by a GetCustomRect(), we provide an optional 'ImFontAtlasRect* out_r = NULL' argument to retrieve the info straight away. -ImFontAtlasRectId ImFontAtlas::AddCustomRect(int width, int height, ImFontAtlasRect* out_r) -{ - IM_ASSERT(width > 0 && width <= 0xFFFF); - IM_ASSERT(height > 0 && height <= 0xFFFF); - - if (Builder == NULL) - ImFontAtlasBuildInit(this); - - ImFontAtlasRectId r_id = ImFontAtlasPackAddRect(this, width, height); - if (r_id == ImFontAtlasRectId_Invalid) - return ImFontAtlasRectId_Invalid; - if (out_r != NULL) - GetCustomRect(r_id, out_r); - - if (RendererHasTextures) - { - ImTextureRect* r = ImFontAtlasPackGetRect(this, r_id); - ImFontAtlasTextureBlockQueueUpload(this, TexData, r->x, r->y, r->w, r->h); - } - return r_id; -} - -void ImFontAtlas::RemoveCustomRect(ImFontAtlasRectId id) -{ - if (ImFontAtlasPackGetRectSafe(this, id) == NULL) - return; - ImFontAtlasPackDiscardRect(this, id); -} - -#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS -// This API does not make sense anymore with scalable fonts. -// - Prefer adding a font source (ImFontConfig) using a custom/procedural loader. -// - You may use ImFontFlags_LockBakedSizes to limit an existing font to known baked sizes: -// ImFont* myfont = io.Fonts->AddFontFromFileTTF(....); -// myfont->GetFontBaked(16.0f); -// myfont->Flags |= ImFontFlags_LockBakedSizes; -ImFontAtlasRectId ImFontAtlas::AddCustomRectFontGlyph(ImFont* font, ImWchar codepoint, int width, int height, float advance_x, const ImVec2& offset) -{ - float font_size = font->LegacySize; - return AddCustomRectFontGlyphForSize(font, font_size, codepoint, width, height, advance_x, offset); -} -// FIXME: we automatically set glyph.Colored=true by default. -// If you need to alter this, you can write 'font->Glyphs.back()->Colored' after calling AddCustomRectFontGlyph(). -ImFontAtlasRectId ImFontAtlas::AddCustomRectFontGlyphForSize(ImFont* font, float font_size, ImWchar codepoint, int width, int height, float advance_x, const ImVec2& offset) -{ -#ifdef IMGUI_USE_WCHAR32 - IM_ASSERT(codepoint <= IM_UNICODE_CODEPOINT_MAX); -#endif - IM_ASSERT(font != NULL); - IM_ASSERT(width > 0 && width <= 0xFFFF); - IM_ASSERT(height > 0 && height <= 0xFFFF); - - ImFontBaked* baked = font->GetFontBaked(font_size); - - ImFontAtlasRectId r_id = ImFontAtlasPackAddRect(this, width, height); - if (r_id == ImFontAtlasRectId_Invalid) - return ImFontAtlasRectId_Invalid; - ImTextureRect* r = ImFontAtlasPackGetRect(this, r_id); - if (RendererHasTextures) - ImFontAtlasTextureBlockQueueUpload(this, TexData, r->x, r->y, r->w, r->h); - - if (baked->IsGlyphLoaded(codepoint)) - ImFontAtlasBakedDiscardFontGlyph(this, font, baked, baked->FindGlyph(codepoint)); - - ImFontGlyph glyph; - glyph.Codepoint = codepoint; - glyph.AdvanceX = advance_x; - glyph.X0 = offset.x; - glyph.Y0 = offset.y; - glyph.X1 = offset.x + r->w; - glyph.Y1 = offset.y + r->h; - glyph.Visible = true; - glyph.Colored = true; // FIXME: Arbitrary - glyph.PackId = r_id; - ImFontAtlasBakedAddFontGlyph(this, baked, font->Sources[0], &glyph); - return r_id; -} -#endif // #ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS - -bool ImFontAtlas::GetCustomRect(ImFontAtlasRectId id, ImFontAtlasRect* out_r) const -{ - ImTextureRect* r = ImFontAtlasPackGetRectSafe((ImFontAtlas*)this, id); - if (r == NULL) - return false; - IM_ASSERT(TexData->Width > 0 && TexData->Height > 0); // Font atlas needs to be built before we can calculate UV coordinates - if (out_r == NULL) - return true; - out_r->x = r->x; - out_r->y = r->y; - out_r->w = r->w; - out_r->h = r->h; - out_r->uv0 = ImVec2((float)(r->x), (float)(r->y)) * TexUvScale; - out_r->uv1 = ImVec2((float)(r->x + r->w), (float)(r->y + r->h)) * TexUvScale; - return true; -} - -bool ImFontAtlasGetMouseCursorTexData(ImFontAtlas* atlas, ImGuiMouseCursor cursor_type, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2]) -{ - if (cursor_type <= ImGuiMouseCursor_None || cursor_type >= ImGuiMouseCursor_COUNT) - return false; - if (atlas->Flags & ImFontAtlasFlags_NoMouseCursors) - return false; - - ImTextureRect* r = ImFontAtlasPackGetRect(atlas, atlas->Builder->PackIdMouseCursors); - ImVec2 pos = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][0] + ImVec2((float)r->x, (float)r->y); - ImVec2 size = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][1]; - *out_size = size; - *out_offset = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][2]; - out_uv_border[0] = (pos) * atlas->TexUvScale; - out_uv_border[1] = (pos + size) * atlas->TexUvScale; - pos.x += FONT_ATLAS_DEFAULT_TEX_DATA_W + 1; - out_uv_fill[0] = (pos) * atlas->TexUvScale; - out_uv_fill[1] = (pos + size) * atlas->TexUvScale; - return true; -} - -// When atlas->RendererHasTextures = true, this is only called if no font were loaded. -void ImFontAtlasBuildMain(ImFontAtlas* atlas) -{ - IM_ASSERT(!atlas->Locked && "Cannot modify a locked ImFontAtlas!"); - if (atlas->TexData && atlas->TexData->Format != atlas->TexDesiredFormat) - { - ImVec2i new_tex_size = ImFontAtlasTextureGetSizeEstimate(atlas); - ImFontAtlasBuildDestroy(atlas); - ImFontAtlasTextureAdd(atlas, new_tex_size.x, new_tex_size.y); - } - - if (atlas->Builder == NULL) - ImFontAtlasBuildInit(atlas); - - // Default font is none are specified - if (atlas->Sources.Size == 0) - atlas->AddFontDefault(); - - // [LEGACY] For backends not supporting RendererHasTextures: preload all glyphs - ImFontAtlasBuildUpdateRendererHasTexturesFromContext(atlas); - if (atlas->RendererHasTextures == false) // ~ImGuiBackendFlags_RendererHasTextures - ImFontAtlasBuildLegacyPreloadAllGlyphRanges(atlas); - atlas->TexIsBuilt = true; -} - -void ImFontAtlasBuildGetOversampleFactors(ImFontConfig* src, ImFontBaked* baked, int* out_oversample_h, int* out_oversample_v) -{ - // Automatically disable horizontal oversampling over size 36 - const float raster_size = baked->Size * baked->RasterizerDensity * src->RasterizerDensity; - *out_oversample_h = (src->OversampleH != 0) ? src->OversampleH : (raster_size > 36.0f || src->PixelSnapH) ? 1 : 2; - *out_oversample_v = (src->OversampleV != 0) ? src->OversampleV : 1; -} - -// Setup main font loader for the atlas -// Every font source (ImFontConfig) will use this unless ImFontConfig::FontLoader specify a custom loader. -void ImFontAtlasBuildSetupFontLoader(ImFontAtlas* atlas, const ImFontLoader* font_loader) -{ - if (atlas->FontLoader == font_loader) - return; - IM_ASSERT(!atlas->Locked && "Cannot modify a locked ImFontAtlas!"); - - for (ImFont* font : atlas->Fonts) - ImFontAtlasFontDestroyOutput(atlas, font); - if (atlas->Builder && atlas->FontLoader && atlas->FontLoader->LoaderShutdown) - atlas->FontLoader->LoaderShutdown(atlas); - - atlas->FontLoader = font_loader; - atlas->FontLoaderName = font_loader ? font_loader->Name : "NULL"; - IM_ASSERT(atlas->FontLoaderData == NULL); - - if (atlas->Builder && atlas->FontLoader && atlas->FontLoader->LoaderInit) - atlas->FontLoader->LoaderInit(atlas); - for (ImFont* font : atlas->Fonts) - ImFontAtlasFontInitOutput(atlas, font); - for (ImFont* font : atlas->Fonts) - for (ImFontConfig* src : font->Sources) - ImFontAtlasFontSourceAddToFont(atlas, font, src); -} - -// Preload all glyph ranges for legacy backends. -// This may lead to multiple texture creation which might be a little slower than before. -void ImFontAtlasBuildLegacyPreloadAllGlyphRanges(ImFontAtlas* atlas) -{ - atlas->Builder->PreloadedAllGlyphsRanges = true; - for (ImFont* font : atlas->Fonts) - { - ImFontBaked* baked = font->GetFontBaked(font->LegacySize); - if (font->FallbackChar != 0) - baked->FindGlyph(font->FallbackChar); - if (font->EllipsisChar != 0) - baked->FindGlyph(font->EllipsisChar); - for (ImFontConfig* src : font->Sources) - { - const ImWchar* ranges = src->GlyphRanges ? src->GlyphRanges : atlas->GetGlyphRangesDefault(); - for (; ranges[0]; ranges += 2) - for (unsigned int c = ranges[0]; c <= ranges[1] && c <= IM_UNICODE_CODEPOINT_MAX; c++) //-V560 - baked->FindGlyph((ImWchar)c); - } - } -} - -// FIXME: May make ImFont::Sources a ImSpan<> and move ownership to ImFontAtlas -void ImFontAtlasBuildUpdatePointers(ImFontAtlas* atlas) -{ - for (ImFont* font : atlas->Fonts) - font->Sources.resize(0); - for (ImFontConfig& src : atlas->Sources) - src.DstFont->Sources.push_back(&src); -} - -// Render a white-colored bitmap encoded in a string -void ImFontAtlasBuildRenderBitmapFromString(ImFontAtlas* atlas, int x, int y, int w, int h, const char* in_str, char in_marker_char) -{ - ImTextureData* tex = atlas->TexData; - IM_ASSERT(x >= 0 && x + w <= tex->Width); - IM_ASSERT(y >= 0 && y + h <= tex->Height); - - switch (tex->Format) - { - case ImTextureFormat_Alpha8: - { - ImU8* out_p = (ImU8*)tex->GetPixelsAt(x, y); - for (int off_y = 0; off_y < h; off_y++, out_p += tex->Width, in_str += w) - for (int off_x = 0; off_x < w; off_x++) - out_p[off_x] = (in_str[off_x] == in_marker_char) ? 0xFF : 0x00; - break; - } - case ImTextureFormat_RGBA32: - { - ImU32* out_p = (ImU32*)tex->GetPixelsAt(x, y); - for (int off_y = 0; off_y < h; off_y++, out_p += tex->Width, in_str += w) - for (int off_x = 0; off_x < w; off_x++) - out_p[off_x] = (in_str[off_x] == in_marker_char) ? IM_COL32_WHITE : IM_COL32_BLACK_TRANS; - break; - } - } -} - -static void ImFontAtlasBuildUpdateBasicTexData(ImFontAtlas* atlas) -{ - // Pack and store identifier so we can refresh UV coordinates on texture resize. - // FIXME-NEWATLAS: User/custom rects where user code wants to store UV coordinates will need to do the same thing. - ImFontAtlasBuilder* builder = atlas->Builder; - ImVec2i pack_size = (atlas->Flags & ImFontAtlasFlags_NoMouseCursors) ? ImVec2i(2, 2) : ImVec2i(FONT_ATLAS_DEFAULT_TEX_DATA_W * 2 + 1, FONT_ATLAS_DEFAULT_TEX_DATA_H); - - ImFontAtlasRect r; - bool add_and_draw = (atlas->GetCustomRect(builder->PackIdMouseCursors, &r) == false); - if (add_and_draw) - { - builder->PackIdMouseCursors = atlas->AddCustomRect(pack_size.x, pack_size.y, &r); - IM_ASSERT(builder->PackIdMouseCursors != ImFontAtlasRectId_Invalid); - - // Draw to texture - if (atlas->Flags & ImFontAtlasFlags_NoMouseCursors) - { - // 2x2 white pixels - ImFontAtlasBuildRenderBitmapFromString(atlas, r.x, r.y, 2, 2, "XX" "XX", 'X'); - } - else - { - // 2x2 white pixels + mouse cursors - const int x_for_white = r.x; - const int x_for_black = r.x + FONT_ATLAS_DEFAULT_TEX_DATA_W + 1; - ImFontAtlasBuildRenderBitmapFromString(atlas, x_for_white, r.y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, '.'); - ImFontAtlasBuildRenderBitmapFromString(atlas, x_for_black, r.y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, 'X'); - } - } - - // Refresh UV coordinates - atlas->TexUvWhitePixel = ImVec2((r.x + 0.5f) * atlas->TexUvScale.x, (r.y + 0.5f) * atlas->TexUvScale.y); -} - -static void ImFontAtlasBuildUpdateLinesTexData(ImFontAtlas* atlas) -{ - if (atlas->Flags & ImFontAtlasFlags_NoBakedLines) - return; - - // Pack and store identifier so we can refresh UV coordinates on texture resize. - ImTextureData* tex = atlas->TexData; - ImFontAtlasBuilder* builder = atlas->Builder; - - ImFontAtlasRect r; - bool add_and_draw = atlas->GetCustomRect(builder->PackIdLinesTexData, &r) == false; - if (add_and_draw) - { - ImVec2i pack_size = ImVec2i(IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 2, IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 1); - builder->PackIdLinesTexData = atlas->AddCustomRect(pack_size.x, pack_size.y, &r); - IM_ASSERT(builder->PackIdLinesTexData != ImFontAtlasRectId_Invalid); - } - - // Register texture region for thick lines - // The +2 here is to give space for the end caps, whilst height +1 is to accommodate the fact we have a zero-width row - // This generates a triangular shape in the texture, with the various line widths stacked on top of each other to allow interpolation between them - for (int n = 0; n < IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 1; n++) // +1 because of the zero-width row - { - // Each line consists of at least two empty pixels at the ends, with a line of solid pixels in the middle - const int y = n; - const int line_width = n; - const int pad_left = (r.w - line_width) / 2; - const int pad_right = r.w - (pad_left + line_width); - IM_ASSERT(pad_left + line_width + pad_right == r.w && y < r.h); // Make sure we're inside the texture bounds before we start writing pixels - - // Write each slice - if (add_and_draw && tex->Format == ImTextureFormat_Alpha8) - { - ImU8* write_ptr = (ImU8*)tex->GetPixelsAt(r.x, r.y + y); - for (int i = 0; i < pad_left; i++) - *(write_ptr + i) = 0x00; - - for (int i = 0; i < line_width; i++) - *(write_ptr + pad_left + i) = 0xFF; - - for (int i = 0; i < pad_right; i++) - *(write_ptr + pad_left + line_width + i) = 0x00; - } - else if (add_and_draw && tex->Format == ImTextureFormat_RGBA32) - { - ImU32* write_ptr = (ImU32*)(void*)tex->GetPixelsAt(r.x, r.y + y); - for (int i = 0; i < pad_left; i++) - *(write_ptr + i) = IM_COL32(255, 255, 255, 0); - - for (int i = 0; i < line_width; i++) - *(write_ptr + pad_left + i) = IM_COL32_WHITE; - - for (int i = 0; i < pad_right; i++) - *(write_ptr + pad_left + line_width + i) = IM_COL32(255, 255, 255, 0); - } - - // Refresh UV coordinates - ImVec2 uv0 = ImVec2((float)(r.x + pad_left - 1), (float)(r.y + y)) * atlas->TexUvScale; - ImVec2 uv1 = ImVec2((float)(r.x + pad_left + line_width + 1), (float)(r.y + y + 1)) * atlas->TexUvScale; - float half_v = (uv0.y + uv1.y) * 0.5f; // Calculate a constant V in the middle of the row to avoid sampling artifacts - atlas->TexUvLines[n] = ImVec4(uv0.x, half_v, uv1.x, half_v); - } -} - -//----------------------------------------------------------------------------------------------------------------------------- - -// Was tempted to lazily init FontSrc but wouldn't save much + makes it more complicated to detect invalid data at AddFont() -bool ImFontAtlasFontInitOutput(ImFontAtlas* atlas, ImFont* font) -{ - bool ret = true; - for (ImFontConfig* src : font->Sources) - if (!ImFontAtlasFontSourceInit(atlas, src)) - ret = false; - IM_ASSERT(ret); // Unclear how to react to this meaningfully. Assume that result will be same as initial AddFont() call. - return ret; -} - -// Keep source/input FontData -void ImFontAtlasFontDestroyOutput(ImFontAtlas* atlas, ImFont* font) -{ - font->ClearOutputData(); - for (ImFontConfig* src : font->Sources) - { - const ImFontLoader* loader = src->FontLoader ? src->FontLoader : atlas->FontLoader; - if (loader && loader->FontSrcDestroy != NULL) - loader->FontSrcDestroy(atlas, src); - } -} - -//----------------------------------------------------------------------------------------------------------------------------- - -bool ImFontAtlasFontSourceInit(ImFontAtlas* atlas, ImFontConfig* src) -{ - const ImFontLoader* loader = src->FontLoader ? src->FontLoader : atlas->FontLoader; - if (loader->FontSrcInit != NULL && !loader->FontSrcInit(atlas, src)) - return false; - return true; -} - -void ImFontAtlasFontSourceAddToFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* src) -{ - if (src->MergeMode == false) - { - font->ClearOutputData(); - //font->FontSize = src->SizePixels; - font->ContainerAtlas = atlas; - IM_ASSERT(font->Sources[0] == src); - } - atlas->TexIsBuilt = false; // For legacy backends - ImFontAtlasBuildSetupFontSpecialGlyphs(atlas, font, src); -} - -void ImFontAtlasFontDestroySourceData(ImFontAtlas* atlas, ImFontConfig* src) -{ - IM_UNUSED(atlas); - if (src->FontDataOwnedByAtlas) - IM_FREE(src->FontData); - src->FontData = NULL; - if (src->GlyphExcludeRanges) - IM_FREE((void*)src->GlyphExcludeRanges); - src->GlyphExcludeRanges = NULL; -} - -// Create a compact, baked "..." if it doesn't exist, by using the ".". -// This may seem overly complicated right now but the point is to exercise and improve a technique which should be increasingly used. -// FIXME-NEWATLAS: This borrows too much from FontLoader's FontLoadGlyph() handlers and suggest that we should add further helpers. -static ImFontGlyph* ImFontAtlasBuildSetupFontBakedEllipsis(ImFontAtlas* atlas, ImFontBaked* baked) -{ - ImFont* font = baked->ContainerFont; - IM_ASSERT(font->EllipsisChar != 0); - - const ImFontGlyph* dot_glyph = baked->FindGlyphNoFallback((ImWchar)'.'); - if (dot_glyph == NULL) - dot_glyph = baked->FindGlyphNoFallback((ImWchar)0xFF0E); - if (dot_glyph == NULL) - return NULL; - ImFontAtlasRectId dot_r_id = dot_glyph->PackId; // Deep copy to avoid invalidation of glyphs and rect pointers - ImTextureRect* dot_r = ImFontAtlasPackGetRect(atlas, dot_r_id); - const int dot_spacing = 1; - const float dot_step = (dot_glyph->X1 - dot_glyph->X0) + dot_spacing; - - ImFontAtlasRectId pack_id = ImFontAtlasPackAddRect(atlas, (dot_r->w * 3 + dot_spacing * 2), dot_r->h); - ImTextureRect* r = ImFontAtlasPackGetRect(atlas, pack_id); - - ImFontGlyph glyph_in = {}; - ImFontGlyph* glyph = &glyph_in; - glyph->Codepoint = font->EllipsisChar; - glyph->AdvanceX = ImMax(dot_glyph->AdvanceX, dot_glyph->X0 + dot_step * 3.0f - dot_spacing); // FIXME: Slightly odd for normally mono-space fonts but since this is used for trailing contents. - glyph->X0 = dot_glyph->X0; - glyph->Y0 = dot_glyph->Y0; - glyph->X1 = dot_glyph->X0 + dot_step * 3 - dot_spacing; - glyph->Y1 = dot_glyph->Y1; - glyph->Visible = true; - glyph->PackId = pack_id; - glyph = ImFontAtlasBakedAddFontGlyph(atlas, baked, NULL, glyph); - dot_glyph = NULL; // Invalidated - - // Copy to texture, post-process and queue update for backend - // FIXME-NEWATLAS-V2: Dot glyph is already post-processed as this point, so this would damage it. - dot_r = ImFontAtlasPackGetRect(atlas, dot_r_id); - ImTextureData* tex = atlas->TexData; - for (int n = 0; n < 3; n++) - ImFontAtlasTextureBlockCopy(tex, dot_r->x, dot_r->y, tex, r->x + (dot_r->w + dot_spacing) * n, r->y, dot_r->w, dot_r->h); - ImFontAtlasTextureBlockQueueUpload(atlas, tex, r->x, r->y, r->w, r->h); - - return glyph; -} - -// Load fallback in order to obtain its index -// (this is called from in hot-path so we avoid extraneous parameters to minimize impact on code size) -static void ImFontAtlasBuildSetupFontBakedFallback(ImFontBaked* baked) -{ - IM_ASSERT(baked->FallbackGlyphIndex == -1); - IM_ASSERT(baked->FallbackAdvanceX == 0.0f); - ImFont* font = baked->ContainerFont; - ImFontGlyph* fallback_glyph = NULL; - if (font->FallbackChar != 0) - fallback_glyph = baked->FindGlyphNoFallback(font->FallbackChar); - if (fallback_glyph == NULL) - { - ImFontGlyph* space_glyph = baked->FindGlyphNoFallback((ImWchar)' '); - ImFontGlyph glyph; - glyph.Codepoint = 0; - glyph.AdvanceX = space_glyph ? space_glyph->AdvanceX : IM_ROUND(baked->Size * 0.40f); - fallback_glyph = ImFontAtlasBakedAddFontGlyph(font->ContainerAtlas, baked, NULL, &glyph); - } - baked->FallbackGlyphIndex = baked->Glyphs.index_from_ptr(fallback_glyph); // Storing index avoid need to update pointer on growth and simplify inner loop code - baked->FallbackAdvanceX = fallback_glyph->AdvanceX; -} - -static void ImFontAtlasBuildSetupFontBakedBlanks(ImFontAtlas* atlas, ImFontBaked* baked) -{ - // Mark space as always hidden (not strictly correct/necessary. but some e.g. icons fonts don't have a space. it tends to look neater in previews) - ImFontGlyph* space_glyph = baked->FindGlyphNoFallback((ImWchar)' '); - if (space_glyph != NULL) - space_glyph->Visible = false; - - // Setup Tab character. - // FIXME: Needs proper TAB handling but it needs to be contextualized (or we could arbitrary say that each string starts at "column 0" ?) - if (baked->FindGlyphNoFallback('\t') == NULL && space_glyph != NULL) - { - ImFontGlyph tab_glyph; - tab_glyph.Codepoint = '\t'; - tab_glyph.AdvanceX = space_glyph->AdvanceX * IM_TABSIZE; - ImFontAtlasBakedAddFontGlyph(atlas, baked, NULL, &tab_glyph); - } -} - -// Load/identify special glyphs -// (note that this is called again for fonts with MergeMode) -void ImFontAtlasBuildSetupFontSpecialGlyphs(ImFontAtlas* atlas, ImFont* font, ImFontConfig* src) -{ - IM_UNUSED(atlas); - IM_ASSERT(font->Sources.contains(src)); - - // Find Fallback character. Actual glyph loaded in GetFontBaked(). - const ImWchar fallback_chars[] = { font->FallbackChar, (ImWchar)IM_UNICODE_CODEPOINT_INVALID, (ImWchar)'?', (ImWchar)' ' }; - if (font->FallbackChar == 0) - for (ImWchar candidate_char : fallback_chars) - if (candidate_char != 0 && font->IsGlyphInFont(candidate_char)) - { - font->FallbackChar = (ImWchar)candidate_char; - break; - } - - // Setup Ellipsis character. It is required for rendering elided text. We prefer using U+2026 (horizontal ellipsis). - // However some old fonts may contain ellipsis at U+0085. Here we auto-detect most suitable ellipsis character. - // FIXME: Note that 0x2026 is rarely included in our font ranges. Because of this we are more likely to use three individual dots. - const ImWchar ellipsis_chars[] = { src->EllipsisChar, (ImWchar)0x2026, (ImWchar)0x0085 }; - if (font->EllipsisChar == 0) - for (ImWchar candidate_char : ellipsis_chars) - if (candidate_char != 0 && font->IsGlyphInFont(candidate_char)) - { - font->EllipsisChar = candidate_char; - break; - } - if (font->EllipsisChar == 0) - { - font->EllipsisChar = 0x0085; - font->EllipsisAutoBake = true; - } -} - -void ImFontAtlasBakedDiscardFontGlyph(ImFontAtlas* atlas, ImFont* font, ImFontBaked* baked, ImFontGlyph* glyph) -{ - if (glyph->PackId != ImFontAtlasRectId_Invalid) - { - ImFontAtlasPackDiscardRect(atlas, glyph->PackId); - glyph->PackId = ImFontAtlasRectId_Invalid; - } - ImWchar c = (ImWchar)glyph->Codepoint; - IM_ASSERT(font->FallbackChar != c && font->EllipsisChar != c); // Unsupported for simplicity - IM_ASSERT(glyph >= baked->Glyphs.Data && glyph < baked->Glyphs.Data + baked->Glyphs.Size); - IM_UNUSED(font); - baked->IndexLookup[c] = IM_FONTGLYPH_INDEX_UNUSED; - baked->IndexAdvanceX[c] = baked->FallbackAdvanceX; -} - -ImFontBaked* ImFontAtlasBakedAdd(ImFontAtlas* atlas, ImFont* font, float font_size, float font_rasterizer_density, ImGuiID baked_id) -{ - IMGUI_DEBUG_LOG_FONT("[font] Created baked %.2fpx\n", font_size); - ImFontBaked* baked = atlas->Builder->BakedPool.push_back(ImFontBaked()); - baked->Size = font_size; - baked->RasterizerDensity = font_rasterizer_density; - baked->BakedId = baked_id; - baked->ContainerFont = font; - baked->LastUsedFrame = atlas->Builder->FrameCount; - - // Initialize backend data - size_t loader_data_size = 0; - for (ImFontConfig* src : font->Sources) // Cannot easily be cached as we allow changing backend - { - const ImFontLoader* loader = src->FontLoader ? src->FontLoader : atlas->FontLoader; - loader_data_size += loader->FontBakedSrcLoaderDataSize; - } - baked->FontLoaderDatas = (loader_data_size > 0) ? IM_ALLOC(loader_data_size) : NULL; - char* loader_data_p = (char*)baked->FontLoaderDatas; - for (ImFontConfig* src : font->Sources) - { - const ImFontLoader* loader = src->FontLoader ? src->FontLoader : atlas->FontLoader; - if (loader->FontBakedInit) - loader->FontBakedInit(atlas, src, baked, loader_data_p); - loader_data_p += loader->FontBakedSrcLoaderDataSize; - } - - ImFontAtlasBuildSetupFontBakedBlanks(atlas, baked); - return baked; -} - -// FIXME-OPT: This is not a fast query. Adding a BakedCount field in Font might allow to take a shortcut for the most common case. -ImFontBaked* ImFontAtlasBakedGetClosestMatch(ImFontAtlas* atlas, ImFont* font, float font_size, float font_rasterizer_density) -{ - ImFontAtlasBuilder* builder = atlas->Builder; - for (int step_n = 0; step_n < 2; step_n++) - { - ImFontBaked* closest_larger_match = NULL; - ImFontBaked* closest_smaller_match = NULL; - for (int baked_n = 0; baked_n < builder->BakedPool.Size; baked_n++) - { - ImFontBaked* baked = &builder->BakedPool[baked_n]; - if (baked->ContainerFont != font || baked->WantDestroy) - continue; - if (step_n == 0 && baked->RasterizerDensity != font_rasterizer_density) // First try with same density - continue; - if (baked->Size > font_size && (closest_larger_match == NULL || baked->Size < closest_larger_match->Size)) - closest_larger_match = baked; - if (baked->Size < font_size && (closest_smaller_match == NULL || baked->Size > closest_smaller_match->Size)) - closest_smaller_match = baked; - } - if (closest_larger_match) - if (closest_smaller_match == NULL || (closest_larger_match->Size >= font_size * 2.0f && closest_smaller_match->Size > font_size * 0.5f)) - return closest_larger_match; - if (closest_smaller_match) - return closest_smaller_match; - } - return NULL; -} - -void ImFontAtlasBakedDiscard(ImFontAtlas* atlas, ImFont* font, ImFontBaked* baked) -{ - ImFontAtlasBuilder* builder = atlas->Builder; - IMGUI_DEBUG_LOG_FONT("[font] Discard baked %.2f for \"%s\"\n", baked->Size, font->GetDebugName()); - - for (ImFontGlyph& glyph : baked->Glyphs) - if (glyph.PackId != ImFontAtlasRectId_Invalid) - ImFontAtlasPackDiscardRect(atlas, glyph.PackId); - - char* loader_data_p = (char*)baked->FontLoaderDatas; - for (ImFontConfig* src : font->Sources) - { - const ImFontLoader* loader = src->FontLoader ? src->FontLoader : atlas->FontLoader; - if (loader->FontBakedDestroy) - loader->FontBakedDestroy(atlas, src, baked, loader_data_p); - loader_data_p += loader->FontBakedSrcLoaderDataSize; - } - if (baked->FontLoaderDatas) - { - IM_FREE(baked->FontLoaderDatas); - baked->FontLoaderDatas = NULL; - } - builder->BakedMap.SetVoidPtr(baked->BakedId, NULL); - builder->BakedDiscardedCount++; - baked->ClearOutputData(); - baked->WantDestroy = true; - font->LastBaked = NULL; -} - -// use unused_frames==0 to discard everything. -void ImFontAtlasFontDiscardBakes(ImFontAtlas* atlas, ImFont* font, int unused_frames) -{ - if (ImFontAtlasBuilder* builder = atlas->Builder) // This can be called from font destructor - for (int baked_n = 0; baked_n < builder->BakedPool.Size; baked_n++) - { - ImFontBaked* baked = &builder->BakedPool[baked_n]; - if (baked->LastUsedFrame + unused_frames > atlas->Builder->FrameCount) - continue; - if (baked->ContainerFont != font || baked->WantDestroy) - continue; - ImFontAtlasBakedDiscard(atlas, font, baked); - } -} - -// use unused_frames==0 to discard everything. -void ImFontAtlasBuildDiscardBakes(ImFontAtlas* atlas, int unused_frames) -{ - ImFontAtlasBuilder* builder = atlas->Builder; - for (int baked_n = 0; baked_n < builder->BakedPool.Size; baked_n++) - { - ImFontBaked* baked = &builder->BakedPool[baked_n]; - if (baked->LastUsedFrame + unused_frames > atlas->Builder->FrameCount) - continue; - if (baked->WantDestroy || (baked->ContainerFont->Flags & ImFontFlags_LockBakedSizes)) - continue; - ImFontAtlasBakedDiscard(atlas, baked->ContainerFont, baked); - } -} - -// Those functions are designed to facilitate changing the underlying structures for ImFontAtlas to store an array of ImDrawListSharedData* -void ImFontAtlasAddDrawListSharedData(ImFontAtlas* atlas, ImDrawListSharedData* data) -{ - IM_ASSERT(!atlas->DrawListSharedDatas.contains(data)); - atlas->DrawListSharedDatas.push_back(data); -} - -void ImFontAtlasRemoveDrawListSharedData(ImFontAtlas* atlas, ImDrawListSharedData* data) -{ - IM_ASSERT(atlas->DrawListSharedDatas.contains(data)); - atlas->DrawListSharedDatas.find_erase(data); -} - -// Update texture identifier in all active draw lists -void ImFontAtlasUpdateDrawListsTextures(ImFontAtlas* atlas, ImTextureRef old_tex, ImTextureRef new_tex) -{ - for (ImDrawListSharedData* shared_data : atlas->DrawListSharedDatas) - for (ImDrawList* draw_list : shared_data->DrawLists) - { - // Replace in command-buffer - // (there is not need to replace in ImDrawListSplitter: current channel is in ImDrawList's CmdBuffer[], - // other channels will be on SetCurrentChannel() which already needs to compare CmdHeader anyhow) - if (draw_list->CmdBuffer.Size > 0 && draw_list->_CmdHeader.TexRef == old_tex) - draw_list->_SetTexture(new_tex); - - // Replace in stack - for (ImTextureRef& stacked_tex : draw_list->_TextureStack) - if (stacked_tex == old_tex) - stacked_tex = new_tex; - } -} - -// Update texture coordinates in all draw list shared context -// FIXME-NEWATLAS FIXME-OPT: Doesn't seem necessary to update for all, only one bound to current context? -void ImFontAtlasUpdateDrawListsSharedData(ImFontAtlas* atlas) -{ - for (ImDrawListSharedData* shared_data : atlas->DrawListSharedDatas) - if (shared_data->FontAtlas == atlas) - { - shared_data->TexUvWhitePixel = atlas->TexUvWhitePixel; - shared_data->TexUvLines = atlas->TexUvLines; - } -} - -// Set current texture. This is mostly called from AddTexture() + to handle a failed resize. -static void ImFontAtlasBuildSetTexture(ImFontAtlas* atlas, ImTextureData* tex) -{ - ImTextureRef old_tex_ref = atlas->TexRef; - atlas->TexData = tex; - atlas->TexUvScale = ImVec2(1.0f / tex->Width, 1.0f / tex->Height); - atlas->TexRef._TexData = tex; - //atlas->TexRef._TexID = tex->TexID; // <-- We intentionally don't do that. It would be misleading and betray promise that both fields aren't set. - ImFontAtlasUpdateDrawListsTextures(atlas, old_tex_ref, atlas->TexRef); -} - -// Create a new texture, discard previous one -ImTextureData* ImFontAtlasTextureAdd(ImFontAtlas* atlas, int w, int h) -{ - ImTextureData* old_tex = atlas->TexData; - ImTextureData* new_tex; - - // FIXME: Cannot reuse texture because old UV may have been used already (unless we remap UV). - /*if (old_tex != NULL && old_tex->Status == ImTextureStatus_WantCreate) - { - // Reuse texture not yet used by backend. - IM_ASSERT(old_tex->TexID == ImTextureID_Invalid && old_tex->BackendUserData == NULL); - old_tex->DestroyPixels(); - old_tex->Updates.clear(); - new_tex = old_tex; - old_tex = NULL; - } - else*/ - { - // Add new - new_tex = IM_NEW(ImTextureData)(); - new_tex->UniqueID = atlas->TexNextUniqueID++; - atlas->TexList.push_back(new_tex); - } - if (old_tex != NULL) - { - // Queue old as to destroy next frame - old_tex->WantDestroyNextFrame = true; - IM_ASSERT(old_tex->Status == ImTextureStatus_OK || old_tex->Status == ImTextureStatus_WantCreate || old_tex->Status == ImTextureStatus_WantUpdates); - } - - new_tex->Create(atlas->TexDesiredFormat, w, h); - new_tex->Status = ImTextureStatus_WantCreate; - atlas->TexIsBuilt = false; - - ImFontAtlasBuildSetTexture(atlas, new_tex); - - return new_tex; -} - -#if 0 -#define STB_IMAGE_WRITE_IMPLEMENTATION -#include "../stb/stb_image_write.h" -static void ImFontAtlasDebugWriteTexToDisk(ImTextureData* tex, const char* description) -{ - ImGuiContext& g = *GImGui; - char buf[128]; - ImFormatString(buf, IM_ARRAYSIZE(buf), "[%05d] Texture #%03d - %s.png", g.FrameCount, tex->UniqueID, description); - stbi_write_png(buf, tex->Width, tex->Height, tex->BytesPerPixel, tex->Pixels, tex->GetPitch()); // tex->BytesPerPixel is technically not component, but ok for the formats we support. -} -#endif - -void ImFontAtlasTextureRepack(ImFontAtlas* atlas, int w, int h) -{ - ImFontAtlasBuilder* builder = atlas->Builder; - builder->LockDisableResize = true; - - ImTextureData* old_tex = atlas->TexData; - ImTextureData* new_tex = ImFontAtlasTextureAdd(atlas, w, h); - new_tex->UseColors = old_tex->UseColors; - IMGUI_DEBUG_LOG_FONT("[font] Texture #%03d: resize+repack %dx%d => Texture #%03d: %dx%d\n", old_tex->UniqueID, old_tex->Width, old_tex->Height, new_tex->UniqueID, new_tex->Width, new_tex->Height); - //for (int baked_n = 0; baked_n < builder->BakedPool.Size; baked_n++) - // IMGUI_DEBUG_LOG_FONT("[font] - Baked %.2fpx, %d glyphs, want_destroy=%d\n", builder->BakedPool[baked_n].FontSize, builder->BakedPool[baked_n].Glyphs.Size, builder->BakedPool[baked_n].WantDestroy); - //IMGUI_DEBUG_LOG_FONT("[font] - Old packed rects: %d, area %d px\n", builder->RectsPackedCount, builder->RectsPackedSurface); - //ImFontAtlasDebugWriteTexToDisk(old_tex, "Before Pack"); - - // Repack, lose discarded rectangle, copy pixels - // FIXME-NEWATLAS: This is unstable because packing order is based on RectsIndex - // FIXME-NEWATLAS-V2: Repacking in batch would be beneficial to packing heuristic, and fix stability. - // FIXME-NEWATLAS-TESTS: Test calling RepackTexture with size too small to fits existing rects. - ImFontAtlasPackInit(atlas); - ImVector<ImTextureRect> old_rects; - ImVector<ImFontAtlasRectEntry> old_index = builder->RectsIndex; - old_rects.swap(builder->Rects); - - for (ImFontAtlasRectEntry& index_entry : builder->RectsIndex) - { - if (index_entry.IsUsed == false) - continue; - ImTextureRect& old_r = old_rects[index_entry.TargetIndex]; - if (old_r.w == 0 && old_r.h == 0) - continue; - ImFontAtlasRectId new_r_id = ImFontAtlasPackAddRect(atlas, old_r.w, old_r.h, &index_entry); - if (new_r_id == ImFontAtlasRectId_Invalid) - { - // Undo, grow texture and try repacking again. - // FIXME-NEWATLAS-TESTS: This is a very rarely exercised path! It needs to be automatically tested properly. - IMGUI_DEBUG_LOG_FONT("[font] Texture #%03d: resize failed. Will grow.\n", new_tex->UniqueID); - new_tex->WantDestroyNextFrame = true; - builder->Rects.swap(old_rects); - builder->RectsIndex = old_index; - ImFontAtlasBuildSetTexture(atlas, old_tex); - ImFontAtlasTextureGrow(atlas, w, h); // Recurse - return; - } - IM_ASSERT(ImFontAtlasRectId_GetIndex(new_r_id) == builder->RectsIndex.index_from_ptr(&index_entry)); - ImTextureRect* new_r = ImFontAtlasPackGetRect(atlas, new_r_id); - ImFontAtlasTextureBlockCopy(old_tex, old_r.x, old_r.y, new_tex, new_r->x, new_r->y, new_r->w, new_r->h); - } - IM_ASSERT(old_rects.Size == builder->Rects.Size + builder->RectsDiscardedCount); - builder->RectsDiscardedCount = 0; - builder->RectsDiscardedSurface = 0; - - // Patch glyphs UV - for (int baked_n = 0; baked_n < builder->BakedPool.Size; baked_n++) - for (ImFontGlyph& glyph : builder->BakedPool[baked_n].Glyphs) - if (glyph.PackId != ImFontAtlasRectId_Invalid) - { - ImTextureRect* r = ImFontAtlasPackGetRect(atlas, glyph.PackId); - glyph.U0 = (r->x) * atlas->TexUvScale.x; - glyph.V0 = (r->y) * atlas->TexUvScale.y; - glyph.U1 = (r->x + r->w) * atlas->TexUvScale.x; - glyph.V1 = (r->y + r->h) * atlas->TexUvScale.y; - } - - // Update other cached UV - ImFontAtlasBuildUpdateLinesTexData(atlas); - ImFontAtlasBuildUpdateBasicTexData(atlas); - - builder->LockDisableResize = false; - ImFontAtlasUpdateDrawListsSharedData(atlas); - //ImFontAtlasDebugWriteTexToDisk(new_tex, "After Pack"); -} - -void ImFontAtlasTextureGrow(ImFontAtlas* atlas, int old_tex_w, int old_tex_h) -{ - //ImFontAtlasDebugWriteTexToDisk(atlas->TexData, "Before Grow"); - ImFontAtlasBuilder* builder = atlas->Builder; - if (old_tex_w == -1) - old_tex_w = atlas->TexData->Width; - if (old_tex_h == -1) - old_tex_h = atlas->TexData->Height; - - // FIXME-NEWATLAS-V2: What to do when reaching limits exposed by backend? - // FIXME-NEWATLAS-V2: Does ImFontAtlasFlags_NoPowerOfTwoHeight makes sense now? Allow 'lock' and 'compact' operations? - IM_ASSERT(ImIsPowerOfTwo(old_tex_w) && ImIsPowerOfTwo(old_tex_h)); - IM_ASSERT(ImIsPowerOfTwo(atlas->TexMinWidth) && ImIsPowerOfTwo(atlas->TexMaxWidth) && ImIsPowerOfTwo(atlas->TexMinHeight) && ImIsPowerOfTwo(atlas->TexMaxHeight)); - - // Grow texture so it follows roughly a square. - // - Grow height before width, as width imply more packing nodes. - // - Caller should be taking account of RectsDiscardedSurface and may not need to grow. - int new_tex_w = (old_tex_h <= old_tex_w) ? old_tex_w : old_tex_w * 2; - int new_tex_h = (old_tex_h <= old_tex_w) ? old_tex_h * 2 : old_tex_h; - - // Handle minimum size first (for pathologically large packed rects) - const int pack_padding = atlas->TexGlyphPadding; - new_tex_w = ImMax(new_tex_w, ImUpperPowerOfTwo(builder->MaxRectSize.x + pack_padding)); - new_tex_h = ImMax(new_tex_h, ImUpperPowerOfTwo(builder->MaxRectSize.y + pack_padding)); - new_tex_w = ImClamp(new_tex_w, atlas->TexMinWidth, atlas->TexMaxWidth); - new_tex_h = ImClamp(new_tex_h, atlas->TexMinHeight, atlas->TexMaxHeight); - if (new_tex_w == old_tex_w && new_tex_h == old_tex_h) - return; - - ImFontAtlasTextureRepack(atlas, new_tex_w, new_tex_h); -} - -void ImFontAtlasTextureMakeSpace(ImFontAtlas* atlas) -{ - // Can some baked contents be ditched? - //IMGUI_DEBUG_LOG_FONT("[font] ImFontAtlasBuildMakeSpace()\n"); - ImFontAtlasBuilder* builder = atlas->Builder; - ImFontAtlasBuildDiscardBakes(atlas, 2); - - // Currently using a heuristic for repack without growing. - if (builder->RectsDiscardedSurface < builder->RectsPackedSurface * 0.20f) - ImFontAtlasTextureGrow(atlas); - else - ImFontAtlasTextureRepack(atlas, atlas->TexData->Width, atlas->TexData->Height); -} - -ImVec2i ImFontAtlasTextureGetSizeEstimate(ImFontAtlas* atlas) -{ - int min_w = ImUpperPowerOfTwo(atlas->TexMinWidth); - int min_h = ImUpperPowerOfTwo(atlas->TexMinHeight); - if (atlas->Builder == NULL || atlas->TexData == NULL || atlas->TexData->Status == ImTextureStatus_WantDestroy) - return ImVec2i(min_w, min_h); - - ImFontAtlasBuilder* builder = atlas->Builder; - min_w = ImMax(ImUpperPowerOfTwo(builder->MaxRectSize.x), min_w); - min_h = ImMax(ImUpperPowerOfTwo(builder->MaxRectSize.y), min_h); - const int surface_approx = builder->RectsPackedSurface - builder->RectsDiscardedSurface; // Expected surface after repack - const int surface_sqrt = (int)sqrtf((float)surface_approx); - - int new_tex_w; - int new_tex_h; - if (min_w >= min_h) - { - new_tex_w = ImMax(min_w, ImUpperPowerOfTwo(surface_sqrt)); - new_tex_h = ImMax(min_h, (int)((surface_approx + new_tex_w - 1) / new_tex_w)); - if ((atlas->Flags & ImFontAtlasFlags_NoPowerOfTwoHeight) == 0) - new_tex_h = ImUpperPowerOfTwo(new_tex_h); - } - else - { - new_tex_h = ImMax(min_h, ImUpperPowerOfTwo(surface_sqrt)); - if ((atlas->Flags & ImFontAtlasFlags_NoPowerOfTwoHeight) == 0) - new_tex_h = ImUpperPowerOfTwo(new_tex_h); - new_tex_w = ImMax(min_w, (int)((surface_approx + new_tex_h - 1) / new_tex_h)); - } - - IM_ASSERT(ImIsPowerOfTwo(new_tex_w) && ImIsPowerOfTwo(new_tex_h)); - return ImVec2i(new_tex_w, new_tex_h); -} - -// Clear all output. Invalidates all AddCustomRect() return values! -void ImFontAtlasBuildClear(ImFontAtlas* atlas) -{ - ImVec2i new_tex_size = ImFontAtlasTextureGetSizeEstimate(atlas); - ImFontAtlasBuildDestroy(atlas); - ImFontAtlasTextureAdd(atlas, new_tex_size.x, new_tex_size.y); - ImFontAtlasBuildInit(atlas); - for (ImFontConfig& src : atlas->Sources) - ImFontAtlasFontSourceInit(atlas, &src); - for (ImFont* font : atlas->Fonts) - for (ImFontConfig* src : font->Sources) - ImFontAtlasFontSourceAddToFont(atlas, font, src); -} - -// You should not need to call this manually! -// If you think you do, let us know and we can advise about policies auto-compact. -void ImFontAtlasTextureCompact(ImFontAtlas* atlas) -{ - ImFontAtlasBuilder* builder = atlas->Builder; - ImFontAtlasBuildDiscardBakes(atlas, 1); - - ImTextureData* old_tex = atlas->TexData; - ImVec2i old_tex_size = ImVec2i(old_tex->Width, old_tex->Height); - ImVec2i new_tex_size = ImFontAtlasTextureGetSizeEstimate(atlas); - if (builder->RectsDiscardedCount == 0 && new_tex_size.x == old_tex_size.x && new_tex_size.y == old_tex_size.y) - return; - - ImFontAtlasTextureRepack(atlas, new_tex_size.x, new_tex_size.y); -} - -// Start packing over current empty texture -void ImFontAtlasBuildInit(ImFontAtlas* atlas) -{ - // Select Backend - // - Note that we do not reassign to atlas->FontLoader, since it is likely to point to static data which - // may mess with some hot-reloading schemes. If you need to assign to this (for dynamic selection) AND are - // using a hot-reloading scheme that messes up static data, store your own instance of FontLoader somewhere - // and point to it instead of pointing directly to return value of the GetFontLoaderXXX functions. - if (atlas->FontLoader == NULL) - { -#ifdef IMGUI_ENABLE_FREETYPE - atlas->SetFontLoader(ImGuiFreeType::GetFontLoader()); -#elif defined(IMGUI_ENABLE_STB_TRUETYPE) - atlas->SetFontLoader(ImFontAtlasGetFontLoaderForStbTruetype()); -#else - IM_ASSERT(0); // Invalid Build function -#endif - } - - // Create initial texture size - if (atlas->TexData == NULL || atlas->TexData->Pixels == NULL) - ImFontAtlasTextureAdd(atlas, ImUpperPowerOfTwo(atlas->TexMinWidth), ImUpperPowerOfTwo(atlas->TexMinHeight)); - - atlas->Builder = IM_NEW(ImFontAtlasBuilder)(); - if (atlas->FontLoader->LoaderInit) - atlas->FontLoader->LoaderInit(atlas); - - ImFontAtlasBuildUpdateRendererHasTexturesFromContext(atlas); - - ImFontAtlasPackInit(atlas); - - // Add required texture data - ImFontAtlasBuildUpdateLinesTexData(atlas); - ImFontAtlasBuildUpdateBasicTexData(atlas); - - // Register fonts - ImFontAtlasBuildUpdatePointers(atlas); - - // Update UV coordinates etc. stored in bound ImDrawListSharedData instance - ImFontAtlasUpdateDrawListsSharedData(atlas); - - //atlas->TexIsBuilt = true; -} - -// Destroy builder and all cached glyphs. Do not destroy actual fonts. -void ImFontAtlasBuildDestroy(ImFontAtlas* atlas) -{ - for (ImFont* font : atlas->Fonts) - ImFontAtlasFontDestroyOutput(atlas, font); - if (atlas->Builder && atlas->FontLoader && atlas->FontLoader->LoaderShutdown) - { - atlas->FontLoader->LoaderShutdown(atlas); - IM_ASSERT(atlas->FontLoaderData == NULL); - } - IM_DELETE(atlas->Builder); - atlas->Builder = NULL; -} - -void ImFontAtlasPackInit(ImFontAtlas * atlas) -{ - ImTextureData* tex = atlas->TexData; - ImFontAtlasBuilder* builder = atlas->Builder; - - // In theory we could decide to reduce the number of nodes, e.g. halve them, and waste a little texture space, but it doesn't seem worth it. - const int pack_node_count = tex->Width / 2; - builder->PackNodes.resize(pack_node_count); - IM_STATIC_ASSERT(sizeof(stbrp_context) <= sizeof(stbrp_context_opaque)); - stbrp_init_target((stbrp_context*)(void*)&builder->PackContext, tex->Width, tex->Height, builder->PackNodes.Data, builder->PackNodes.Size); - builder->RectsPackedSurface = builder->RectsPackedCount = 0; - builder->MaxRectSize = ImVec2i(0, 0); - builder->MaxRectBounds = ImVec2i(0, 0); -} - -// This is essentially a free-list pattern, it may be nice to wrap it into a dedicated type. -static ImFontAtlasRectId ImFontAtlasPackAllocRectEntry(ImFontAtlas* atlas, int rect_idx) -{ - ImFontAtlasBuilder* builder = (ImFontAtlasBuilder*)atlas->Builder; - int index_idx; - ImFontAtlasRectEntry* index_entry; - if (builder->RectsIndexFreeListStart < 0) - { - builder->RectsIndex.resize(builder->RectsIndex.Size + 1); - index_idx = builder->RectsIndex.Size - 1; - index_entry = &builder->RectsIndex[index_idx]; - memset(index_entry, 0, sizeof(*index_entry)); - } - else - { - index_idx = builder->RectsIndexFreeListStart; - index_entry = &builder->RectsIndex[index_idx]; - IM_ASSERT(index_entry->IsUsed == false && index_entry->Generation > 0); // Generation is incremented during DiscardRect - builder->RectsIndexFreeListStart = index_entry->TargetIndex; - } - index_entry->TargetIndex = rect_idx; - index_entry->IsUsed = 1; - return ImFontAtlasRectId_Make(index_idx, index_entry->Generation); -} - -// Overwrite existing entry -static ImFontAtlasRectId ImFontAtlasPackReuseRectEntry(ImFontAtlas* atlas, ImFontAtlasRectEntry* index_entry) -{ - IM_ASSERT(index_entry->IsUsed); - index_entry->TargetIndex = atlas->Builder->Rects.Size - 1; - int index_idx = atlas->Builder->RectsIndex.index_from_ptr(index_entry); - return ImFontAtlasRectId_Make(index_idx, index_entry->Generation); -} - -// This is expected to be called in batches and followed by a repack -void ImFontAtlasPackDiscardRect(ImFontAtlas* atlas, ImFontAtlasRectId id) -{ - IM_ASSERT(id != ImFontAtlasRectId_Invalid); - - ImTextureRect* rect = ImFontAtlasPackGetRect(atlas, id); - if (rect == NULL) - return; - - ImFontAtlasBuilder* builder = atlas->Builder; - int index_idx = ImFontAtlasRectId_GetIndex(id); - ImFontAtlasRectEntry* index_entry = &builder->RectsIndex[index_idx]; - IM_ASSERT(index_entry->IsUsed && index_entry->TargetIndex >= 0); - index_entry->IsUsed = false; - index_entry->TargetIndex = builder->RectsIndexFreeListStart; - index_entry->Generation++; - - const int pack_padding = atlas->TexGlyphPadding; - builder->RectsIndexFreeListStart = index_idx; - builder->RectsDiscardedCount++; - builder->RectsDiscardedSurface += (rect->w + pack_padding) * (rect->h + pack_padding); - rect->w = rect->h = 0; // Clear rectangle so it won't be packed again -} - -// Important: Calling this may recreate a new texture and therefore change atlas->TexData -// FIXME-NEWFONTS: Expose other glyph padding settings for custom alteration (e.g. drop shadows). See #7962 -ImFontAtlasRectId ImFontAtlasPackAddRect(ImFontAtlas* atlas, int w, int h, ImFontAtlasRectEntry* overwrite_entry) -{ - IM_ASSERT(w > 0 && w <= 0xFFFF); - IM_ASSERT(h > 0 && h <= 0xFFFF); - - ImFontAtlasBuilder* builder = (ImFontAtlasBuilder*)atlas->Builder; - const int pack_padding = atlas->TexGlyphPadding; - builder->MaxRectSize.x = ImMax(builder->MaxRectSize.x, w); - builder->MaxRectSize.y = ImMax(builder->MaxRectSize.y, h); - - // Pack - ImTextureRect r = { 0, 0, (unsigned short)w, (unsigned short)h }; - for (int attempts_remaining = 3; attempts_remaining >= 0; attempts_remaining--) - { - // Try packing - stbrp_rect pack_r = {}; - pack_r.w = w + pack_padding; - pack_r.h = h + pack_padding; - stbrp_pack_rects((stbrp_context*)(void*)&builder->PackContext, &pack_r, 1); - r.x = (unsigned short)pack_r.x; - r.y = (unsigned short)pack_r.y; - if (pack_r.was_packed) - break; - - // If we ran out of attempts, return fallback - if (attempts_remaining == 0 || builder->LockDisableResize) - { - IMGUI_DEBUG_LOG_FONT("[font] Failed packing %dx%d rectangle. Returning fallback.\n", w, h); - return ImFontAtlasRectId_Invalid; - } - - // Resize or repack atlas! (this should be a rare event) - ImFontAtlasTextureMakeSpace(atlas); - } - - builder->MaxRectBounds.x = ImMax(builder->MaxRectBounds.x, r.x + r.w + pack_padding); - builder->MaxRectBounds.y = ImMax(builder->MaxRectBounds.y, r.y + r.h + pack_padding); - builder->RectsPackedCount++; - builder->RectsPackedSurface += (w + pack_padding) * (h + pack_padding); - - builder->Rects.push_back(r); - if (overwrite_entry != NULL) - return ImFontAtlasPackReuseRectEntry(atlas, overwrite_entry); // Write into an existing entry instead of adding one (used during repack) - else - return ImFontAtlasPackAllocRectEntry(atlas, builder->Rects.Size - 1); -} - -// Generally for non-user facing functions: assert on invalid ID. -ImTextureRect* ImFontAtlasPackGetRect(ImFontAtlas* atlas, ImFontAtlasRectId id) -{ - IM_ASSERT(id != ImFontAtlasRectId_Invalid); - int index_idx = ImFontAtlasRectId_GetIndex(id); - ImFontAtlasBuilder* builder = (ImFontAtlasBuilder*)atlas->Builder; - ImFontAtlasRectEntry* index_entry = &builder->RectsIndex[index_idx]; - IM_ASSERT(index_entry->Generation == ImFontAtlasRectId_GetGeneration(id)); - IM_ASSERT(index_entry->IsUsed); - return &builder->Rects[index_entry->TargetIndex]; -} - -// For user-facing functions: return NULL on invalid ID. -// Important: return pointer is valid until next call to AddRect(), e.g. FindGlyph(), CalcTextSize() can all potentially invalidate previous pointers. -ImTextureRect* ImFontAtlasPackGetRectSafe(ImFontAtlas* atlas, ImFontAtlasRectId id) -{ - if (id == ImFontAtlasRectId_Invalid) - return NULL; - int index_idx = ImFontAtlasRectId_GetIndex(id); - if (atlas->Builder == NULL) - ImFontAtlasBuildInit(atlas); - ImFontAtlasBuilder* builder = (ImFontAtlasBuilder*)atlas->Builder; - if (index_idx >= builder->RectsIndex.Size) - return NULL; - ImFontAtlasRectEntry* index_entry = &builder->RectsIndex[index_idx]; - if (index_entry->Generation != ImFontAtlasRectId_GetGeneration(id) || !index_entry->IsUsed) - return NULL; - return &builder->Rects[index_entry->TargetIndex]; -} - -// Important! This assume by ImFontConfig::GlyphExcludeRanges[] is a SMALL ARRAY (e.g. <10 entries) -// Use "Input Glyphs Overlap Detection Tool" to display a list of glyphs provided by multiple sources in order to set this array up. -static bool ImFontAtlasBuildAcceptCodepointForSource(ImFontConfig* src, ImWchar codepoint) -{ - if (const ImWchar* exclude_list = src->GlyphExcludeRanges) - for (; exclude_list[0] != 0; exclude_list += 2) - if (codepoint >= exclude_list[0] && codepoint <= exclude_list[1]) - return false; - return true; -} - -static void ImFontBaked_BuildGrowIndex(ImFontBaked* baked, int new_size) -{ - IM_ASSERT(baked->IndexAdvanceX.Size == baked->IndexLookup.Size); - if (new_size <= baked->IndexLookup.Size) - return; - baked->IndexAdvanceX.resize(new_size, -1.0f); - baked->IndexLookup.resize(new_size, IM_FONTGLYPH_INDEX_UNUSED); -} - -static void ImFontAtlas_FontHookRemapCodepoint(ImFontAtlas* atlas, ImFont* font, ImWchar* c) -{ - IM_UNUSED(atlas); - if (font->RemapPairs.Data.Size != 0) - *c = (ImWchar)font->RemapPairs.GetInt((ImGuiID)*c, (int)*c); -} - -static ImFontGlyph* ImFontBaked_BuildLoadGlyph(ImFontBaked* baked, ImWchar codepoint, float* only_load_advance_x) -{ - ImFont* font = baked->ContainerFont; - ImFontAtlas* atlas = font->ContainerAtlas; - if (atlas->Locked || (font->Flags & ImFontFlags_NoLoadGlyphs)) - { - // Lazily load fallback glyph - if (baked->FallbackGlyphIndex == -1 && baked->LockLoadingFallback == 0) - ImFontAtlasBuildSetupFontBakedFallback(baked); - return NULL; - } - - // User remapping hooks - ImWchar src_codepoint = codepoint; - ImFontAtlas_FontHookRemapCodepoint(atlas, font, &codepoint); - - //char utf8_buf[5]; - //IMGUI_DEBUG_LOG("[font] BuildLoadGlyph U+%04X (%s)\n", (unsigned int)codepoint, ImTextCharToUtf8(utf8_buf, (unsigned int)codepoint)); - - // Special hook - // FIXME-NEWATLAS: it would be nicer if this used a more standardized way of hooking - if (codepoint == font->EllipsisChar && font->EllipsisAutoBake) - if (ImFontGlyph* glyph = ImFontAtlasBuildSetupFontBakedEllipsis(atlas, baked)) - return glyph; - - // Call backend - char* loader_user_data_p = (char*)baked->FontLoaderDatas; - int src_n = 0; - for (ImFontConfig* src : font->Sources) - { - const ImFontLoader* loader = src->FontLoader ? src->FontLoader : atlas->FontLoader; - if (!src->GlyphExcludeRanges || ImFontAtlasBuildAcceptCodepointForSource(src, codepoint)) - { - if (only_load_advance_x == NULL) - { - ImFontGlyph glyph_buf; - if (loader->FontBakedLoadGlyph(atlas, src, baked, loader_user_data_p, codepoint, &glyph_buf, NULL)) - { - // FIXME: Add hooks for e.g. #7962 - glyph_buf.Codepoint = src_codepoint; - glyph_buf.SourceIdx = src_n; - return ImFontAtlasBakedAddFontGlyph(atlas, baked, src, &glyph_buf); - } - } - else - { - // Special mode but only loading glyphs metrics. Will rasterize and pack later. - if (loader->FontBakedLoadGlyph(atlas, src, baked, loader_user_data_p, codepoint, NULL, only_load_advance_x)) - { - ImFontAtlasBakedAddFontGlyphAdvancedX(atlas, baked, src, codepoint, *only_load_advance_x); - return NULL; - } - } - } - loader_user_data_p += loader->FontBakedSrcLoaderDataSize; - src_n++; - } - - // Lazily load fallback glyph - if (baked->LockLoadingFallback) - return NULL; - if (baked->FallbackGlyphIndex == -1) - ImFontAtlasBuildSetupFontBakedFallback(baked); - - // Mark index as not found, so we don't attempt the search twice - ImFontBaked_BuildGrowIndex(baked, codepoint + 1); - baked->IndexAdvanceX[codepoint] = baked->FallbackAdvanceX; - baked->IndexLookup[codepoint] = IM_FONTGLYPH_INDEX_NOT_FOUND; - return NULL; -} - -static float ImFontBaked_BuildLoadGlyphAdvanceX(ImFontBaked* baked, ImWchar codepoint) -{ - if (baked->Size >= IMGUI_FONT_SIZE_THRESHOLD_FOR_LOADADVANCEXONLYMODE) - { - // First load AdvanceX value used by CalcTextSize() API then load the rest when loaded by drawing API. - float only_advance_x = 0.0f; - ImFontGlyph* glyph = ImFontBaked_BuildLoadGlyph(baked, (ImWchar)codepoint, &only_advance_x); - return glyph ? glyph->AdvanceX : only_advance_x; - } - else - { - ImFontGlyph* glyph = ImFontBaked_BuildLoadGlyph(baked, (ImWchar)codepoint, NULL); - return glyph ? glyph->AdvanceX : baked->FallbackAdvanceX; - } -} - -// The point of this indirection is to not be inlined in debug mode in order to not bloat inner loop.b -IM_MSVC_RUNTIME_CHECKS_OFF -static float BuildLoadGlyphGetAdvanceOrFallback(ImFontBaked* baked, unsigned int codepoint) -{ - return ImFontBaked_BuildLoadGlyphAdvanceX(baked, (ImWchar)codepoint); -} -IM_MSVC_RUNTIME_CHECKS_RESTORE - -#ifndef IMGUI_DISABLE_DEBUG_TOOLS -void ImFontAtlasDebugLogTextureRequests(ImFontAtlas* atlas) -{ - // [DEBUG] Log texture update requests - ImGuiContext& g = *GImGui; - IM_UNUSED(g); - for (ImTextureData* tex : atlas->TexList) - { - if ((g.IO.BackendFlags & ImGuiBackendFlags_RendererHasTextures) == 0) - IM_ASSERT(tex->Updates.Size == 0); - if (tex->Status == ImTextureStatus_WantCreate) - IMGUI_DEBUG_LOG_FONT("[font] Texture #%03d: create %dx%d\n", tex->UniqueID, tex->Width, tex->Height); - else if (tex->Status == ImTextureStatus_WantDestroy) - IMGUI_DEBUG_LOG_FONT("[font] Texture #%03d: destroy %dx%d, texid=0x%" IM_PRIX64 ", backend_data=%p\n", tex->UniqueID, tex->Width, tex->Height, tex->TexID, tex->BackendUserData); - else if (tex->Status == ImTextureStatus_WantUpdates) - { - IMGUI_DEBUG_LOG_FONT("[font] Texture #%03d: update %d regions, texid=0x%" IM_PRIX64 ", backend_data=0x%" IM_PRIX64 "\n", tex->UniqueID, tex->Updates.Size, tex->TexID, (ImU64)(intptr_t)tex->BackendUserData); - for (const ImTextureRect& r : tex->Updates) - { - IM_UNUSED(r); - IM_ASSERT(r.x >= 0 && r.y >= 0); - IM_ASSERT(r.x + r.w <= tex->Width && r.y + r.h <= tex->Height); // In theory should subtract PackPadding but it's currently part of atlas and mid-frame change would wreck assert. - //IMGUI_DEBUG_LOG_FONT("[font] Texture #%03d: update (% 4d..%-4d)->(% 4d..%-4d), texid=0x%" IM_PRIX64 ", backend_data=0x%" IM_PRIX64 "\n", tex->UniqueID, r.x, r.y, r.x + r.w, r.y + r.h, tex->TexID, (ImU64)(intptr_t)tex->BackendUserData); - } - } - } -} -#endif - -//------------------------------------------------------------------------- -// [SECTION] ImFontAtlas: backend for stb_truetype -//------------------------------------------------------------------------- -// (imstb_truetype.h in included near the top of this file, when IMGUI_ENABLE_STB_TRUETYPE is set) -//------------------------------------------------------------------------- - -#ifdef IMGUI_ENABLE_STB_TRUETYPE - -// One for each ConfigData -struct ImGui_ImplStbTrueType_FontSrcData -{ - stbtt_fontinfo FontInfo; - float ScaleFactor; -}; - -static bool ImGui_ImplStbTrueType_FontSrcInit(ImFontAtlas* atlas, ImFontConfig* src) -{ - IM_UNUSED(atlas); - - ImGui_ImplStbTrueType_FontSrcData* bd_font_data = IM_NEW(ImGui_ImplStbTrueType_FontSrcData); - IM_ASSERT(src->FontLoaderData == NULL); - - // Initialize helper structure for font loading and verify that the TTF/OTF data is correct - const int font_offset = stbtt_GetFontOffsetForIndex((unsigned char*)src->FontData, src->FontNo); - if (font_offset < 0) - { - IM_DELETE(bd_font_data); - IM_ASSERT_USER_ERROR(0, "stbtt_GetFontOffsetForIndex(): FontData is incorrect, or FontNo cannot be found."); - return false; - } - if (!stbtt_InitFont(&bd_font_data->FontInfo, (unsigned char*)src->FontData, font_offset)) - { - IM_DELETE(bd_font_data); - IM_ASSERT_USER_ERROR(0, "stbtt_InitFont(): failed to parse FontData. It is correct and complete? Check FontDataSize."); - return false; - } - src->FontLoaderData = bd_font_data; - - if (src->MergeMode && src->SizePixels == 0.0f) - src->SizePixels = src->DstFont->Sources[0]->SizePixels; - - if (src->SizePixels >= 0.0f) - bd_font_data->ScaleFactor = stbtt_ScaleForPixelHeight(&bd_font_data->FontInfo, 1.0f); - else - bd_font_data->ScaleFactor = stbtt_ScaleForMappingEmToPixels(&bd_font_data->FontInfo, 1.0f); - if (src->MergeMode && src->SizePixels != 0.0f) - bd_font_data->ScaleFactor *= src->SizePixels / src->DstFont->Sources[0]->SizePixels; // FIXME-NEWATLAS: Should tidy up that a bit - - return true; -} - -static void ImGui_ImplStbTrueType_FontSrcDestroy(ImFontAtlas* atlas, ImFontConfig* src) -{ - IM_UNUSED(atlas); - ImGui_ImplStbTrueType_FontSrcData* bd_font_data = (ImGui_ImplStbTrueType_FontSrcData*)src->FontLoaderData; - IM_DELETE(bd_font_data); - src->FontLoaderData = NULL; -} - -static bool ImGui_ImplStbTrueType_FontSrcContainsGlyph(ImFontAtlas* atlas, ImFontConfig* src, ImWchar codepoint) -{ - IM_UNUSED(atlas); - - ImGui_ImplStbTrueType_FontSrcData* bd_font_data = (ImGui_ImplStbTrueType_FontSrcData*)src->FontLoaderData; - IM_ASSERT(bd_font_data != NULL); - - int glyph_index = stbtt_FindGlyphIndex(&bd_font_data->FontInfo, (int)codepoint); - return glyph_index != 0; -} - -static bool ImGui_ImplStbTrueType_FontBakedInit(ImFontAtlas* atlas, ImFontConfig* src, ImFontBaked* baked, void*) -{ - IM_UNUSED(atlas); - - ImGui_ImplStbTrueType_FontSrcData* bd_font_data = (ImGui_ImplStbTrueType_FontSrcData*)src->FontLoaderData; - if (src->MergeMode == false) - { - // FIXME-NEWFONTS: reevaluate how to use sizing metrics - // FIXME-NEWFONTS: make use of line gap value - float scale_for_layout = bd_font_data->ScaleFactor * baked->Size; - int unscaled_ascent, unscaled_descent, unscaled_line_gap; - stbtt_GetFontVMetrics(&bd_font_data->FontInfo, &unscaled_ascent, &unscaled_descent, &unscaled_line_gap); - baked->Ascent = ImCeil(unscaled_ascent * scale_for_layout); - baked->Descent = ImFloor(unscaled_descent * scale_for_layout); - } - return true; -} - -static bool ImGui_ImplStbTrueType_FontBakedLoadGlyph(ImFontAtlas* atlas, ImFontConfig* src, ImFontBaked* baked, void*, ImWchar codepoint, ImFontGlyph* out_glyph, float* out_advance_x) -{ - // Search for first font which has the glyph - ImGui_ImplStbTrueType_FontSrcData* bd_font_data = (ImGui_ImplStbTrueType_FontSrcData*)src->FontLoaderData; - IM_ASSERT(bd_font_data); - int glyph_index = stbtt_FindGlyphIndex(&bd_font_data->FontInfo, (int)codepoint); - if (glyph_index == 0) - return false; - - // Fonts unit to pixels - int oversample_h, oversample_v; - ImFontAtlasBuildGetOversampleFactors(src, baked, &oversample_h, &oversample_v); - const float scale_for_layout = bd_font_data->ScaleFactor * baked->Size; - const float rasterizer_density = src->RasterizerDensity * baked->RasterizerDensity; - const float scale_for_raster_x = bd_font_data->ScaleFactor * baked->Size * rasterizer_density * oversample_h; - const float scale_for_raster_y = bd_font_data->ScaleFactor * baked->Size * rasterizer_density * oversample_v; - - // Obtain size and advance - int x0, y0, x1, y1; - int advance, lsb; - stbtt_GetGlyphBitmapBoxSubpixel(&bd_font_data->FontInfo, glyph_index, scale_for_raster_x, scale_for_raster_y, 0, 0, &x0, &y0, &x1, &y1); - stbtt_GetGlyphHMetrics(&bd_font_data->FontInfo, glyph_index, &advance, &lsb); - - // Load metrics only mode - if (out_advance_x != NULL) - { - IM_ASSERT(out_glyph == NULL); - *out_advance_x = advance * scale_for_layout; - return true; - } - - // Prepare glyph - out_glyph->Codepoint = codepoint; - out_glyph->AdvanceX = advance * scale_for_layout; - - // Pack and retrieve position inside texture atlas - // (generally based on stbtt_PackFontRangesRenderIntoRects) - const bool is_visible = (x0 != x1 && y0 != y1); - if (is_visible) - { - const int w = (x1 - x0 + oversample_h - 1); - const int h = (y1 - y0 + oversample_v - 1); - ImFontAtlasRectId pack_id = ImFontAtlasPackAddRect(atlas, w, h); - if (pack_id == ImFontAtlasRectId_Invalid) - { - // Pathological out of memory case (TexMaxWidth/TexMaxHeight set too small?) - IM_ASSERT(pack_id != ImFontAtlasRectId_Invalid && "Out of texture memory."); - return false; - } - ImTextureRect* r = ImFontAtlasPackGetRect(atlas, pack_id); - - // Render - stbtt_GetGlyphBitmapBox(&bd_font_data->FontInfo, glyph_index, scale_for_raster_x, scale_for_raster_y, &x0, &y0, &x1, &y1); - ImFontAtlasBuilder* builder = atlas->Builder; - builder->TempBuffer.resize(w * h * 1); - unsigned char* bitmap_pixels = builder->TempBuffer.Data; - memset(bitmap_pixels, 0, w * h * 1); - stbtt_MakeGlyphBitmapSubpixel(&bd_font_data->FontInfo, bitmap_pixels, r->w - oversample_h + 1, r->h - oversample_v + 1, w, - scale_for_raster_x, scale_for_raster_y, 0, 0, glyph_index); - - // Oversampling - // (those functions conveniently assert if pixels are not cleared, which is another safety layer) - if (oversample_h > 1) - stbtt__h_prefilter(bitmap_pixels, r->w, r->h, r->w, oversample_h); - if (oversample_v > 1) - stbtt__v_prefilter(bitmap_pixels, r->w, r->h, r->w, oversample_v); - - const float ref_size = baked->ContainerFont->Sources[0]->SizePixels; - const float offsets_scale = (ref_size != 0.0f) ? (baked->Size / ref_size) : 1.0f; - float font_off_x = (src->GlyphOffset.x * offsets_scale); - float font_off_y = (src->GlyphOffset.y * offsets_scale); - if (src->PixelSnapH) // Snap scaled offset. This is to mitigate backward compatibility issues for GlyphOffset, but a better design would be welcome. - font_off_x = IM_ROUND(font_off_x); - if (src->PixelSnapV) - font_off_y = IM_ROUND(font_off_y); - font_off_x += stbtt__oversample_shift(oversample_h); - font_off_y += stbtt__oversample_shift(oversample_v) + IM_ROUND(baked->Ascent); - float recip_h = 1.0f / (oversample_h * rasterizer_density); - float recip_v = 1.0f / (oversample_v * rasterizer_density); - - // Register glyph - // r->x r->y are coordinates inside texture (in pixels) - // glyph.X0, glyph.Y0 are drawing coordinates from base text position, and accounting for oversampling. - out_glyph->X0 = x0 * recip_h + font_off_x; - out_glyph->Y0 = y0 * recip_v + font_off_y; - out_glyph->X1 = (x0 + (int)r->w) * recip_h + font_off_x; - out_glyph->Y1 = (y0 + (int)r->h) * recip_v + font_off_y; - out_glyph->Visible = true; - out_glyph->PackId = pack_id; - ImFontAtlasBakedSetFontGlyphBitmap(atlas, baked, src, out_glyph, r, bitmap_pixels, ImTextureFormat_Alpha8, w); - } - - return true; -} - -const ImFontLoader* ImFontAtlasGetFontLoaderForStbTruetype() -{ - static ImFontLoader loader; - loader.Name = "stb_truetype"; - loader.FontSrcInit = ImGui_ImplStbTrueType_FontSrcInit; - loader.FontSrcDestroy = ImGui_ImplStbTrueType_FontSrcDestroy; - loader.FontSrcContainsGlyph = ImGui_ImplStbTrueType_FontSrcContainsGlyph; - loader.FontBakedInit = ImGui_ImplStbTrueType_FontBakedInit; - loader.FontBakedDestroy = NULL; - loader.FontBakedLoadGlyph = ImGui_ImplStbTrueType_FontBakedLoadGlyph; - return &loader; -} - -#endif // IMGUI_ENABLE_STB_TRUETYPE - -//------------------------------------------------------------------------- -// [SECTION] ImFontAtlas: glyph ranges helpers -//------------------------------------------------------------------------- -// - GetGlyphRangesDefault() -// Obsolete functions since 1.92: -// - GetGlyphRangesGreek() -// - GetGlyphRangesKorean() -// - GetGlyphRangesChineseFull() -// - GetGlyphRangesChineseSimplifiedCommon() -// - GetGlyphRangesJapanese() -// - GetGlyphRangesCyrillic() -// - GetGlyphRangesThai() -// - GetGlyphRangesVietnamese() -//----------------------------------------------------------------------------- - -// Retrieve list of range (2 int per range, values are inclusive) -const ImWchar* ImFontAtlas::GetGlyphRangesDefault() -{ - static const ImWchar ranges[] = - { - 0x0020, 0x00FF, // Basic Latin + Latin Supplement - 0, - }; - return &ranges[0]; -} - -#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS -const ImWchar* ImFontAtlas::GetGlyphRangesGreek() -{ - static const ImWchar ranges[] = - { - 0x0020, 0x00FF, // Basic Latin + Latin Supplement - 0x0370, 0x03FF, // Greek and Coptic - 0, - }; - return &ranges[0]; -} - -const ImWchar* ImFontAtlas::GetGlyphRangesKorean() -{ - static const ImWchar ranges[] = - { - 0x0020, 0x00FF, // Basic Latin + Latin Supplement - 0x3131, 0x3163, // Korean alphabets - 0xAC00, 0xD7A3, // Korean characters - 0xFFFD, 0xFFFD, // Invalid - 0, - }; - return &ranges[0]; -} - -const ImWchar* ImFontAtlas::GetGlyphRangesChineseFull() -{ - static const ImWchar ranges[] = - { - 0x0020, 0x00FF, // Basic Latin + Latin Supplement - 0x2000, 0x206F, // General Punctuation - 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana - 0x31F0, 0x31FF, // Katakana Phonetic Extensions - 0xFF00, 0xFFEF, // Half-width characters - 0xFFFD, 0xFFFD, // Invalid - 0x4e00, 0x9FAF, // CJK Ideograms - 0, - }; - return &ranges[0]; -} - -static void UnpackAccumulativeOffsetsIntoRanges(int base_codepoint, const short* accumulative_offsets, int accumulative_offsets_count, ImWchar* out_ranges) -{ - for (int n = 0; n < accumulative_offsets_count; n++, out_ranges += 2) - { - out_ranges[0] = out_ranges[1] = (ImWchar)(base_codepoint + accumulative_offsets[n]); - base_codepoint += accumulative_offsets[n]; - } - out_ranges[0] = 0; -} - -const ImWchar* ImFontAtlas::GetGlyphRangesChineseSimplifiedCommon() -{ - // Store 2500 regularly used characters for Simplified Chinese. - // Sourced from https://zh.wiktionary.org/wiki/%E9%99%84%E5%BD%95:%E7%8E%B0%E4%BB%A3%E6%B1%89%E8%AF%AD%E5%B8%B8%E7%94%A8%E5%AD%97%E8%A1%A8 - // This table covers 97.97% of all characters used during the month in July, 1987. - // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters. - // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.) - static const short accumulative_offsets_from_0x4E00[] = - { - 0,1,2,4,1,1,1,1,2,1,3,2,1,2,2,1,1,1,1,1,5,2,1,2,3,3,3,2,2,4,1,1,1,2,1,5,2,3,1,2,1,2,1,1,2,1,1,2,2,1,4,1,1,1,1,5,10,1,2,19,2,1,2,1,2,1,2,1,2, - 1,5,1,6,3,2,1,2,2,1,1,1,4,8,5,1,1,4,1,1,3,1,2,1,5,1,2,1,1,1,10,1,1,5,2,4,6,1,4,2,2,2,12,2,1,1,6,1,1,1,4,1,1,4,6,5,1,4,2,2,4,10,7,1,1,4,2,4, - 2,1,4,3,6,10,12,5,7,2,14,2,9,1,1,6,7,10,4,7,13,1,5,4,8,4,1,1,2,28,5,6,1,1,5,2,5,20,2,2,9,8,11,2,9,17,1,8,6,8,27,4,6,9,20,11,27,6,68,2,2,1,1, - 1,2,1,2,2,7,6,11,3,3,1,1,3,1,2,1,1,1,1,1,3,1,1,8,3,4,1,5,7,2,1,4,4,8,4,2,1,2,1,1,4,5,6,3,6,2,12,3,1,3,9,2,4,3,4,1,5,3,3,1,3,7,1,5,1,1,1,1,2, - 3,4,5,2,3,2,6,1,1,2,1,7,1,7,3,4,5,15,2,2,1,5,3,22,19,2,1,1,1,1,2,5,1,1,1,6,1,1,12,8,2,9,18,22,4,1,1,5,1,16,1,2,7,10,15,1,1,6,2,4,1,2,4,1,6, - 1,1,3,2,4,1,6,4,5,1,2,1,1,2,1,10,3,1,3,2,1,9,3,2,5,7,2,19,4,3,6,1,1,1,1,1,4,3,2,1,1,1,2,5,3,1,1,1,2,2,1,1,2,1,1,2,1,3,1,1,1,3,7,1,4,1,1,2,1, - 1,2,1,2,4,4,3,8,1,1,1,2,1,3,5,1,3,1,3,4,6,2,2,14,4,6,6,11,9,1,15,3,1,28,5,2,5,5,3,1,3,4,5,4,6,14,3,2,3,5,21,2,7,20,10,1,2,19,2,4,28,28,2,3, - 2,1,14,4,1,26,28,42,12,40,3,52,79,5,14,17,3,2,2,11,3,4,6,3,1,8,2,23,4,5,8,10,4,2,7,3,5,1,1,6,3,1,2,2,2,5,28,1,1,7,7,20,5,3,29,3,17,26,1,8,4, - 27,3,6,11,23,5,3,4,6,13,24,16,6,5,10,25,35,7,3,2,3,3,14,3,6,2,6,1,4,2,3,8,2,1,1,3,3,3,4,1,1,13,2,2,4,5,2,1,14,14,1,2,2,1,4,5,2,3,1,14,3,12, - 3,17,2,16,5,1,2,1,8,9,3,19,4,2,2,4,17,25,21,20,28,75,1,10,29,103,4,1,2,1,1,4,2,4,1,2,3,24,2,2,2,1,1,2,1,3,8,1,1,1,2,1,1,3,1,1,1,6,1,5,3,1,1, - 1,3,4,1,1,5,2,1,5,6,13,9,16,1,1,1,1,3,2,3,2,4,5,2,5,2,2,3,7,13,7,2,2,1,1,1,1,2,3,3,2,1,6,4,9,2,1,14,2,14,2,1,18,3,4,14,4,11,41,15,23,15,23, - 176,1,3,4,1,1,1,1,5,3,1,2,3,7,3,1,1,2,1,2,4,4,6,2,4,1,9,7,1,10,5,8,16,29,1,1,2,2,3,1,3,5,2,4,5,4,1,1,2,2,3,3,7,1,6,10,1,17,1,44,4,6,2,1,1,6, - 5,4,2,10,1,6,9,2,8,1,24,1,2,13,7,8,8,2,1,4,1,3,1,3,3,5,2,5,10,9,4,9,12,2,1,6,1,10,1,1,7,7,4,10,8,3,1,13,4,3,1,6,1,3,5,2,1,2,17,16,5,2,16,6, - 1,4,2,1,3,3,6,8,5,11,11,1,3,3,2,4,6,10,9,5,7,4,7,4,7,1,1,4,2,1,3,6,8,7,1,6,11,5,5,3,24,9,4,2,7,13,5,1,8,82,16,61,1,1,1,4,2,2,16,10,3,8,1,1, - 6,4,2,1,3,1,1,1,4,3,8,4,2,2,1,1,1,1,1,6,3,5,1,1,4,6,9,2,1,1,1,2,1,7,2,1,6,1,5,4,4,3,1,8,1,3,3,1,3,2,2,2,2,3,1,6,1,2,1,2,1,3,7,1,8,2,1,2,1,5, - 2,5,3,5,10,1,2,1,1,3,2,5,11,3,9,3,5,1,1,5,9,1,2,1,5,7,9,9,8,1,3,3,3,6,8,2,3,2,1,1,32,6,1,2,15,9,3,7,13,1,3,10,13,2,14,1,13,10,2,1,3,10,4,15, - 2,15,15,10,1,3,9,6,9,32,25,26,47,7,3,2,3,1,6,3,4,3,2,8,5,4,1,9,4,2,2,19,10,6,2,3,8,1,2,2,4,2,1,9,4,4,4,6,4,8,9,2,3,1,1,1,1,3,5,5,1,3,8,4,6, - 2,1,4,12,1,5,3,7,13,2,5,8,1,6,1,2,5,14,6,1,5,2,4,8,15,5,1,23,6,62,2,10,1,1,8,1,2,2,10,4,2,2,9,2,1,1,3,2,3,1,5,3,3,2,1,3,8,1,1,1,11,3,1,1,4, - 3,7,1,14,1,2,3,12,5,2,5,1,6,7,5,7,14,11,1,3,1,8,9,12,2,1,11,8,4,4,2,6,10,9,13,1,1,3,1,5,1,3,2,4,4,1,18,2,3,14,11,4,29,4,2,7,1,3,13,9,2,2,5, - 3,5,20,7,16,8,5,72,34,6,4,22,12,12,28,45,36,9,7,39,9,191,1,1,1,4,11,8,4,9,2,3,22,1,1,1,1,4,17,1,7,7,1,11,31,10,2,4,8,2,3,2,1,4,2,16,4,32,2, - 3,19,13,4,9,1,5,2,14,8,1,1,3,6,19,6,5,1,16,6,2,10,8,5,1,2,3,1,5,5,1,11,6,6,1,3,3,2,6,3,8,1,1,4,10,7,5,7,7,5,8,9,2,1,3,4,1,1,3,1,3,3,2,6,16, - 1,4,6,3,1,10,6,1,3,15,2,9,2,10,25,13,9,16,6,2,2,10,11,4,3,9,1,2,6,6,5,4,30,40,1,10,7,12,14,33,6,3,6,7,3,1,3,1,11,14,4,9,5,12,11,49,18,51,31, - 140,31,2,2,1,5,1,8,1,10,1,4,4,3,24,1,10,1,3,6,6,16,3,4,5,2,1,4,2,57,10,6,22,2,22,3,7,22,6,10,11,36,18,16,33,36,2,5,5,1,1,1,4,10,1,4,13,2,7, - 5,2,9,3,4,1,7,43,3,7,3,9,14,7,9,1,11,1,1,3,7,4,18,13,1,14,1,3,6,10,73,2,2,30,6,1,11,18,19,13,22,3,46,42,37,89,7,3,16,34,2,2,3,9,1,7,1,1,1,2, - 2,4,10,7,3,10,3,9,5,28,9,2,6,13,7,3,1,3,10,2,7,2,11,3,6,21,54,85,2,1,4,2,2,1,39,3,21,2,2,5,1,1,1,4,1,1,3,4,15,1,3,2,4,4,2,3,8,2,20,1,8,7,13, - 4,1,26,6,2,9,34,4,21,52,10,4,4,1,5,12,2,11,1,7,2,30,12,44,2,30,1,1,3,6,16,9,17,39,82,2,2,24,7,1,7,3,16,9,14,44,2,1,2,1,2,3,5,2,4,1,6,7,5,3, - 2,6,1,11,5,11,2,1,18,19,8,1,3,24,29,2,1,3,5,2,2,1,13,6,5,1,46,11,3,5,1,1,5,8,2,10,6,12,6,3,7,11,2,4,16,13,2,5,1,1,2,2,5,2,28,5,2,23,10,8,4, - 4,22,39,95,38,8,14,9,5,1,13,5,4,3,13,12,11,1,9,1,27,37,2,5,4,4,63,211,95,2,2,2,1,3,5,2,1,1,2,2,1,1,1,3,2,4,1,2,1,1,5,2,2,1,1,2,3,1,3,1,1,1, - 3,1,4,2,1,3,6,1,1,3,7,15,5,3,2,5,3,9,11,4,2,22,1,6,3,8,7,1,4,28,4,16,3,3,25,4,4,27,27,1,4,1,2,2,7,1,3,5,2,28,8,2,14,1,8,6,16,25,3,3,3,14,3, - 3,1,1,2,1,4,6,3,8,4,1,1,1,2,3,6,10,6,2,3,18,3,2,5,5,4,3,1,5,2,5,4,23,7,6,12,6,4,17,11,9,5,1,1,10,5,12,1,1,11,26,33,7,3,6,1,17,7,1,5,12,1,11, - 2,4,1,8,14,17,23,1,2,1,7,8,16,11,9,6,5,2,6,4,16,2,8,14,1,11,8,9,1,1,1,9,25,4,11,19,7,2,15,2,12,8,52,7,5,19,2,16,4,36,8,1,16,8,24,26,4,6,2,9, - 5,4,36,3,28,12,25,15,37,27,17,12,59,38,5,32,127,1,2,9,17,14,4,1,2,1,1,8,11,50,4,14,2,19,16,4,17,5,4,5,26,12,45,2,23,45,104,30,12,8,3,10,2,2, - 3,3,1,4,20,7,2,9,6,15,2,20,1,3,16,4,11,15,6,134,2,5,59,1,2,2,2,1,9,17,3,26,137,10,211,59,1,2,4,1,4,1,1,1,2,6,2,3,1,1,2,3,2,3,1,3,4,4,2,3,3, - 1,4,3,1,7,2,2,3,1,2,1,3,3,3,2,2,3,2,1,3,14,6,1,3,2,9,6,15,27,9,34,145,1,1,2,1,1,1,1,2,1,1,1,1,2,2,2,3,1,2,1,1,1,2,3,5,8,3,5,2,4,1,3,2,2,2,12, - 4,1,1,1,10,4,5,1,20,4,16,1,15,9,5,12,2,9,2,5,4,2,26,19,7,1,26,4,30,12,15,42,1,6,8,172,1,1,4,2,1,1,11,2,2,4,2,1,2,1,10,8,1,2,1,4,5,1,2,5,1,8, - 4,1,3,4,2,1,6,2,1,3,4,1,2,1,1,1,1,12,5,7,2,4,3,1,1,1,3,3,6,1,2,2,3,3,3,2,1,2,12,14,11,6,6,4,12,2,8,1,7,10,1,35,7,4,13,15,4,3,23,21,28,52,5, - 26,5,6,1,7,10,2,7,53,3,2,1,1,1,2,163,532,1,10,11,1,3,3,4,8,2,8,6,2,2,23,22,4,2,2,4,2,1,3,1,3,3,5,9,8,2,1,2,8,1,10,2,12,21,20,15,105,2,3,1,1, - 3,2,3,1,1,2,5,1,4,15,11,19,1,1,1,1,5,4,5,1,1,2,5,3,5,12,1,2,5,1,11,1,1,15,9,1,4,5,3,26,8,2,1,3,1,1,15,19,2,12,1,2,5,2,7,2,19,2,20,6,26,7,5, - 2,2,7,34,21,13,70,2,128,1,1,2,1,1,2,1,1,3,2,2,2,15,1,4,1,3,4,42,10,6,1,49,85,8,1,2,1,1,4,4,2,3,6,1,5,7,4,3,211,4,1,2,1,2,5,1,2,4,2,2,6,5,6, - 10,3,4,48,100,6,2,16,296,5,27,387,2,2,3,7,16,8,5,38,15,39,21,9,10,3,7,59,13,27,21,47,5,21,6 - }; - static ImWchar base_ranges[] = // not zero-terminated - { - 0x0020, 0x00FF, // Basic Latin + Latin Supplement - 0x2000, 0x206F, // General Punctuation - 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana - 0x31F0, 0x31FF, // Katakana Phonetic Extensions - 0xFF00, 0xFFEF, // Half-width characters - 0xFFFD, 0xFFFD // Invalid - }; - static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00) * 2 + 1] = { 0 }; - if (!full_ranges[0]) - { - memcpy(full_ranges, base_ranges, sizeof(base_ranges)); - UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges)); - } - return &full_ranges[0]; -} - -const ImWchar* ImFontAtlas::GetGlyphRangesJapanese() -{ - // 2999 ideograms code points for Japanese - // - 2136 Joyo (meaning "for regular use" or "for common use") Kanji code points - // - 863 Jinmeiyo (meaning "for personal name") Kanji code points - // - Sourced from official information provided by the government agencies of Japan: - // - List of Joyo Kanji by the Agency for Cultural Affairs - // - https://www.bunka.go.jp/kokugo_nihongo/sisaku/joho/joho/kijun/naikaku/kanji/ - // - List of Jinmeiyo Kanji by the Ministry of Justice - // - http://www.moj.go.jp/MINJI/minji86.html - // - Available under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0). - // - https://creativecommons.org/licenses/by/4.0/legalcode - // - You can generate this code by the script at: - // - https://github.com/vaiorabbit/everyday_use_kanji - // - References: - // - List of Joyo Kanji - // - (Wikipedia) https://en.wikipedia.org/wiki/List_of_j%C5%8Dy%C5%8D_kanji - // - List of Jinmeiyo Kanji - // - (Wikipedia) https://en.wikipedia.org/wiki/Jinmeiy%C5%8D_kanji - // - Missing 1 Joyo Kanji: U+20B9F (Kun'yomi: Shikaru, On'yomi: Shitsu,shichi), see https://github.com/ocornut/imgui/pull/3627 for details. - // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters. - // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.) - static const short accumulative_offsets_from_0x4E00[] = - { - 0,1,2,4,1,1,1,1,2,1,3,3,2,2,1,5,3,5,7,5,6,1,2,1,7,2,6,3,1,8,1,1,4,1,1,18,2,11,2,6,2,1,2,1,5,1,2,1,3,1,2,1,2,3,3,1,1,2,3,1,1,1,12,7,9,1,4,5,1, - 1,2,1,10,1,1,9,2,2,4,5,6,9,3,1,1,1,1,9,3,18,5,2,2,2,2,1,6,3,7,1,1,1,1,2,2,4,2,1,23,2,10,4,3,5,2,4,10,2,4,13,1,6,1,9,3,1,1,6,6,7,6,3,1,2,11,3, - 2,2,3,2,15,2,2,5,4,3,6,4,1,2,5,2,12,16,6,13,9,13,2,1,1,7,16,4,7,1,19,1,5,1,2,2,7,7,8,2,6,5,4,9,18,7,4,5,9,13,11,8,15,2,1,1,1,2,1,2,2,1,2,2,8, - 2,9,3,3,1,1,4,4,1,1,1,4,9,1,4,3,5,5,2,7,5,3,4,8,2,1,13,2,3,3,1,14,1,1,4,5,1,3,6,1,5,2,1,1,3,3,3,3,1,1,2,7,6,6,7,1,4,7,6,1,1,1,1,1,12,3,3,9,5, - 2,6,1,5,6,1,2,3,18,2,4,14,4,1,3,6,1,1,6,3,5,5,3,2,2,2,2,12,3,1,4,2,3,2,3,11,1,7,4,1,2,1,3,17,1,9,1,24,1,1,4,2,2,4,1,2,7,1,1,1,3,1,2,2,4,15,1, - 1,2,1,1,2,1,5,2,5,20,2,5,9,1,10,8,7,6,1,1,1,1,1,1,6,2,1,2,8,1,1,1,1,5,1,1,3,1,1,1,1,3,1,1,12,4,1,3,1,1,1,1,1,10,3,1,7,5,13,1,2,3,4,6,1,1,30, - 2,9,9,1,15,38,11,3,1,8,24,7,1,9,8,10,2,1,9,31,2,13,6,2,9,4,49,5,2,15,2,1,10,2,1,1,1,2,2,6,15,30,35,3,14,18,8,1,16,10,28,12,19,45,38,1,3,2,3, - 13,2,1,7,3,6,5,3,4,3,1,5,7,8,1,5,3,18,5,3,6,1,21,4,24,9,24,40,3,14,3,21,3,2,1,2,4,2,3,1,15,15,6,5,1,1,3,1,5,6,1,9,7,3,3,2,1,4,3,8,21,5,16,4, - 5,2,10,11,11,3,6,3,2,9,3,6,13,1,2,1,1,1,1,11,12,6,6,1,4,2,6,5,2,1,1,3,3,6,13,3,1,1,5,1,2,3,3,14,2,1,2,2,2,5,1,9,5,1,1,6,12,3,12,3,4,13,2,14, - 2,8,1,17,5,1,16,4,2,2,21,8,9,6,23,20,12,25,19,9,38,8,3,21,40,25,33,13,4,3,1,4,1,2,4,1,2,5,26,2,1,1,2,1,3,6,2,1,1,1,1,1,1,2,3,1,1,1,9,2,3,1,1, - 1,3,6,3,2,1,1,6,6,1,8,2,2,2,1,4,1,2,3,2,7,3,2,4,1,2,1,2,2,1,1,1,1,1,3,1,2,5,4,10,9,4,9,1,1,1,1,1,1,5,3,2,1,6,4,9,6,1,10,2,31,17,8,3,7,5,40,1, - 7,7,1,6,5,2,10,7,8,4,15,39,25,6,28,47,18,10,7,1,3,1,1,2,1,1,1,3,3,3,1,1,1,3,4,2,1,4,1,3,6,10,7,8,6,2,2,1,3,3,2,5,8,7,9,12,2,15,1,1,4,1,2,1,1, - 1,3,2,1,3,3,5,6,2,3,2,10,1,4,2,8,1,1,1,11,6,1,21,4,16,3,1,3,1,4,2,3,6,5,1,3,1,1,3,3,4,6,1,1,10,4,2,7,10,4,7,4,2,9,4,3,1,1,1,4,1,8,3,4,1,3,1, - 6,1,4,2,1,4,7,2,1,8,1,4,5,1,1,2,2,4,6,2,7,1,10,1,1,3,4,11,10,8,21,4,6,1,3,5,2,1,2,28,5,5,2,3,13,1,2,3,1,4,2,1,5,20,3,8,11,1,3,3,3,1,8,10,9,2, - 10,9,2,3,1,1,2,4,1,8,3,6,1,7,8,6,11,1,4,29,8,4,3,1,2,7,13,1,4,1,6,2,6,12,12,2,20,3,2,3,6,4,8,9,2,7,34,5,1,18,6,1,1,4,4,5,7,9,1,2,2,4,3,4,1,7, - 2,2,2,6,2,3,25,5,3,6,1,4,6,7,4,2,1,4,2,13,6,4,4,3,1,5,3,4,4,3,2,1,1,4,1,2,1,1,3,1,11,1,6,3,1,7,3,6,2,8,8,6,9,3,4,11,3,2,10,12,2,5,11,1,6,4,5, - 3,1,8,5,4,6,6,3,5,1,1,3,2,1,2,2,6,17,12,1,10,1,6,12,1,6,6,19,9,6,16,1,13,4,4,15,7,17,6,11,9,15,12,6,7,2,1,2,2,15,9,3,21,4,6,49,18,7,3,2,3,1, - 6,8,2,2,6,2,9,1,3,6,4,4,1,2,16,2,5,2,1,6,2,3,5,3,1,2,5,1,2,1,9,3,1,8,6,4,8,11,3,1,1,1,1,3,1,13,8,4,1,3,2,2,1,4,1,11,1,5,2,1,5,2,5,8,6,1,1,7, - 4,3,8,3,2,7,2,1,5,1,5,2,4,7,6,2,8,5,1,11,4,5,3,6,18,1,2,13,3,3,1,21,1,1,4,1,4,1,1,1,8,1,2,2,7,1,2,4,2,2,9,2,1,1,1,4,3,6,3,12,5,1,1,1,5,6,3,2, - 4,8,2,2,4,2,7,1,8,9,5,2,3,2,1,3,2,13,7,14,6,5,1,1,2,1,4,2,23,2,1,1,6,3,1,4,1,15,3,1,7,3,9,14,1,3,1,4,1,1,5,8,1,3,8,3,8,15,11,4,14,4,4,2,5,5, - 1,7,1,6,14,7,7,8,5,15,4,8,6,5,6,2,1,13,1,20,15,11,9,2,5,6,2,11,2,6,2,5,1,5,8,4,13,19,25,4,1,1,11,1,34,2,5,9,14,6,2,2,6,1,1,14,1,3,14,13,1,6, - 12,21,14,14,6,32,17,8,32,9,28,1,2,4,11,8,3,1,14,2,5,15,1,1,1,1,3,6,4,1,3,4,11,3,1,1,11,30,1,5,1,4,1,5,8,1,1,3,2,4,3,17,35,2,6,12,17,3,1,6,2, - 1,1,12,2,7,3,3,2,1,16,2,8,3,6,5,4,7,3,3,8,1,9,8,5,1,2,1,3,2,8,1,2,9,12,1,1,2,3,8,3,24,12,4,3,7,5,8,3,3,3,3,3,3,1,23,10,3,1,2,2,6,3,1,16,1,16, - 22,3,10,4,11,6,9,7,7,3,6,2,2,2,4,10,2,1,1,2,8,7,1,6,4,1,3,3,3,5,10,12,12,2,3,12,8,15,1,1,16,6,6,1,5,9,11,4,11,4,2,6,12,1,17,5,13,1,4,9,5,1,11, - 2,1,8,1,5,7,28,8,3,5,10,2,17,3,38,22,1,2,18,12,10,4,38,18,1,4,44,19,4,1,8,4,1,12,1,4,31,12,1,14,7,75,7,5,10,6,6,13,3,2,11,11,3,2,5,28,15,6,18, - 18,5,6,4,3,16,1,7,18,7,36,3,5,3,1,7,1,9,1,10,7,2,4,2,6,2,9,7,4,3,32,12,3,7,10,2,23,16,3,1,12,3,31,4,11,1,3,8,9,5,1,30,15,6,12,3,2,2,11,19,9, - 14,2,6,2,3,19,13,17,5,3,3,25,3,14,1,1,1,36,1,3,2,19,3,13,36,9,13,31,6,4,16,34,2,5,4,2,3,3,5,1,1,1,4,3,1,17,3,2,3,5,3,1,3,2,3,5,6,3,12,11,1,3, - 1,2,26,7,12,7,2,14,3,3,7,7,11,25,25,28,16,4,36,1,2,1,6,2,1,9,3,27,17,4,3,4,13,4,1,3,2,2,1,10,4,2,4,6,3,8,2,1,18,1,1,24,2,2,4,33,2,3,63,7,1,6, - 40,7,3,4,4,2,4,15,18,1,16,1,1,11,2,41,14,1,3,18,13,3,2,4,16,2,17,7,15,24,7,18,13,44,2,2,3,6,1,1,7,5,1,7,1,4,3,3,5,10,8,2,3,1,8,1,1,27,4,2,1, - 12,1,2,1,10,6,1,6,7,5,2,3,7,11,5,11,3,6,6,2,3,15,4,9,1,1,2,1,2,11,2,8,12,8,5,4,2,3,1,5,2,2,1,14,1,12,11,4,1,11,17,17,4,3,2,5,5,7,3,1,5,9,9,8, - 2,5,6,6,13,13,2,1,2,6,1,2,2,49,4,9,1,2,10,16,7,8,4,3,2,23,4,58,3,29,1,14,19,19,11,11,2,7,5,1,3,4,6,2,18,5,12,12,17,17,3,3,2,4,1,6,2,3,4,3,1, - 1,1,1,5,1,1,9,1,3,1,3,6,1,8,1,1,2,6,4,14,3,1,4,11,4,1,3,32,1,2,4,13,4,1,2,4,2,1,3,1,11,1,4,2,1,4,4,6,3,5,1,6,5,7,6,3,23,3,5,3,5,3,3,13,3,9,10, - 1,12,10,2,3,18,13,7,160,52,4,2,2,3,2,14,5,4,12,4,6,4,1,20,4,11,6,2,12,27,1,4,1,2,2,7,4,5,2,28,3,7,25,8,3,19,3,6,10,2,2,1,10,2,5,4,1,3,4,1,5, - 3,2,6,9,3,6,2,16,3,3,16,4,5,5,3,2,1,2,16,15,8,2,6,21,2,4,1,22,5,8,1,1,21,11,2,1,11,11,19,13,12,4,2,3,2,3,6,1,8,11,1,4,2,9,5,2,1,11,2,9,1,1,2, - 14,31,9,3,4,21,14,4,8,1,7,2,2,2,5,1,4,20,3,3,4,10,1,11,9,8,2,1,4,5,14,12,14,2,17,9,6,31,4,14,1,20,13,26,5,2,7,3,6,13,2,4,2,19,6,2,2,18,9,3,5, - 12,12,14,4,6,2,3,6,9,5,22,4,5,25,6,4,8,5,2,6,27,2,35,2,16,3,7,8,8,6,6,5,9,17,2,20,6,19,2,13,3,1,1,1,4,17,12,2,14,7,1,4,18,12,38,33,2,10,1,1, - 2,13,14,17,11,50,6,33,20,26,74,16,23,45,50,13,38,33,6,6,7,4,4,2,1,3,2,5,8,7,8,9,3,11,21,9,13,1,3,10,6,7,1,2,2,18,5,5,1,9,9,2,68,9,19,13,2,5, - 1,4,4,7,4,13,3,9,10,21,17,3,26,2,1,5,2,4,5,4,1,7,4,7,3,4,2,1,6,1,1,20,4,1,9,2,2,1,3,3,2,3,2,1,1,1,20,2,3,1,6,2,3,6,2,4,8,1,3,2,10,3,5,3,4,4, - 3,4,16,1,6,1,10,2,4,2,1,1,2,10,11,2,2,3,1,24,31,4,10,10,2,5,12,16,164,15,4,16,7,9,15,19,17,1,2,1,1,5,1,1,1,1,1,3,1,4,3,1,3,1,3,1,2,1,1,3,3,7, - 2,8,1,2,2,2,1,3,4,3,7,8,12,92,2,10,3,1,3,14,5,25,16,42,4,7,7,4,2,21,5,27,26,27,21,25,30,31,2,1,5,13,3,22,5,6,6,11,9,12,1,5,9,7,5,5,22,60,3,5, - 13,1,1,8,1,1,3,3,2,1,9,3,3,18,4,1,2,3,7,6,3,1,2,3,9,1,3,1,3,2,1,3,1,1,1,2,1,11,3,1,6,9,1,3,2,3,1,2,1,5,1,1,4,3,4,1,2,2,4,4,1,7,2,1,2,2,3,5,13, - 18,3,4,14,9,9,4,16,3,7,5,8,2,6,48,28,3,1,1,4,2,14,8,2,9,2,1,15,2,4,3,2,10,16,12,8,7,1,1,3,1,1,1,2,7,4,1,6,4,38,39,16,23,7,15,15,3,2,12,7,21, - 37,27,6,5,4,8,2,10,8,8,6,5,1,2,1,3,24,1,16,17,9,23,10,17,6,1,51,55,44,13,294,9,3,6,2,4,2,2,15,1,1,1,13,21,17,68,14,8,9,4,1,4,9,3,11,7,1,1,1, - 5,6,3,2,1,1,1,2,3,8,1,2,2,4,1,5,5,2,1,4,3,7,13,4,1,4,1,3,1,1,1,5,5,10,1,6,1,5,2,1,5,2,4,1,4,5,7,3,18,2,9,11,32,4,3,3,2,4,7,11,16,9,11,8,13,38, - 32,8,4,2,1,1,2,1,2,4,4,1,1,1,4,1,21,3,11,1,16,1,1,6,1,3,2,4,9,8,57,7,44,1,3,3,13,3,10,1,1,7,5,2,7,21,47,63,3,15,4,7,1,16,1,1,2,8,2,3,42,15,4, - 1,29,7,22,10,3,78,16,12,20,18,4,67,11,5,1,3,15,6,21,31,32,27,18,13,71,35,5,142,4,10,1,2,50,19,33,16,35,37,16,19,27,7,1,133,19,1,4,8,7,20,1,4, - 4,1,10,3,1,6,1,2,51,5,40,15,24,43,22928,11,1,13,154,70,3,1,1,7,4,10,1,2,1,1,2,1,2,1,2,2,1,1,2,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1, - 3,2,1,1,1,1,2,1,1, - }; - static ImWchar base_ranges[] = // not zero-terminated - { - 0x0020, 0x00FF, // Basic Latin + Latin Supplement - 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana - 0x31F0, 0x31FF, // Katakana Phonetic Extensions - 0xFF00, 0xFFEF, // Half-width characters - 0xFFFD, 0xFFFD // Invalid - }; - static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00)*2 + 1] = { 0 }; - if (!full_ranges[0]) - { - memcpy(full_ranges, base_ranges, sizeof(base_ranges)); - UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges)); - } - return &full_ranges[0]; -} - -const ImWchar* ImFontAtlas::GetGlyphRangesCyrillic() -{ - static const ImWchar ranges[] = - { - 0x0020, 0x00FF, // Basic Latin + Latin Supplement - 0x0400, 0x052F, // Cyrillic + Cyrillic Supplement - 0x2DE0, 0x2DFF, // Cyrillic Extended-A - 0xA640, 0xA69F, // Cyrillic Extended-B - 0, - }; - return &ranges[0]; -} - -const ImWchar* ImFontAtlas::GetGlyphRangesThai() -{ - static const ImWchar ranges[] = - { - 0x0020, 0x00FF, // Basic Latin - 0x2010, 0x205E, // Punctuations - 0x0E00, 0x0E7F, // Thai - 0, - }; - return &ranges[0]; -} - -const ImWchar* ImFontAtlas::GetGlyphRangesVietnamese() -{ - static const ImWchar ranges[] = - { - 0x0020, 0x00FF, // Basic Latin - 0x0102, 0x0103, - 0x0110, 0x0111, - 0x0128, 0x0129, - 0x0168, 0x0169, - 0x01A0, 0x01A1, - 0x01AF, 0x01B0, - 0x1EA0, 0x1EF9, - 0, - }; - return &ranges[0]; -} -#endif // #ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS - -//----------------------------------------------------------------------------- -// [SECTION] ImFontGlyphRangesBuilder -//----------------------------------------------------------------------------- - -void ImFontGlyphRangesBuilder::AddText(const char* text, const char* text_end) -{ - while (text_end ? (text < text_end) : *text) - { - unsigned int c = 0; - int c_len = ImTextCharFromUtf8(&c, text, text_end); - text += c_len; - if (c_len == 0) - break; - AddChar((ImWchar)c); - } -} - -void ImFontGlyphRangesBuilder::AddRanges(const ImWchar* ranges) -{ - for (; ranges[0]; ranges += 2) - for (unsigned int c = ranges[0]; c <= ranges[1] && c <= IM_UNICODE_CODEPOINT_MAX; c++) //-V560 - AddChar((ImWchar)c); -} - -void ImFontGlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges) -{ - const int max_codepoint = IM_UNICODE_CODEPOINT_MAX; - for (int n = 0; n <= max_codepoint; n++) - if (GetBit(n)) - { - out_ranges->push_back((ImWchar)n); - while (n < max_codepoint && GetBit(n + 1)) - n++; - out_ranges->push_back((ImWchar)n); - } - out_ranges->push_back(0); -} - -//----------------------------------------------------------------------------- -// [SECTION] ImFont -//----------------------------------------------------------------------------- - -ImFontBaked::ImFontBaked() -{ - memset(this, 0, sizeof(*this)); - FallbackGlyphIndex = -1; -} - -void ImFontBaked::ClearOutputData() -{ - FallbackAdvanceX = 0.0f; - Glyphs.clear(); - IndexAdvanceX.clear(); - IndexLookup.clear(); - FallbackGlyphIndex = -1; - Ascent = Descent = 0.0f; - MetricsTotalSurface = 0; -} - -ImFont::ImFont() -{ - memset(this, 0, sizeof(*this)); -#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS - Scale = 1.0f; -#endif -} - -ImFont::~ImFont() -{ - ClearOutputData(); -} - -void ImFont::ClearOutputData() -{ - if (ImFontAtlas* atlas = ContainerAtlas) - ImFontAtlasFontDiscardBakes(atlas, this, 0); - FallbackChar = EllipsisChar = 0; - memset(Used8kPagesMap, 0, sizeof(Used8kPagesMap)); - LastBaked = NULL; -} - -// API is designed this way to avoid exposing the 8K page size -// e.g. use with IsGlyphRangeUnused(0, 255) -bool ImFont::IsGlyphRangeUnused(unsigned int c_begin, unsigned int c_last) -{ - unsigned int page_begin = (c_begin / 8192); - unsigned int page_last = (c_last / 8192); - for (unsigned int page_n = page_begin; page_n <= page_last; page_n++) - if ((page_n >> 3) < sizeof(Used8kPagesMap)) - if (Used8kPagesMap[page_n >> 3] & (1 << (page_n & 7))) - return false; - return true; -} - -// x0/y0/x1/y1 are offset from the character upper-left layout position, in pixels. Therefore x0/y0 are often fairly close to zero. -// Not to be mistaken with texture coordinates, which are held by u0/v0/u1/v1 in normalized format (0.0..1.0 on each texture axis). -// - 'src' is not necessarily == 'this->Sources' because multiple source fonts+configs can be used to build one target font. -ImFontGlyph* ImFontAtlasBakedAddFontGlyph(ImFontAtlas* atlas, ImFontBaked* baked, ImFontConfig* src, const ImFontGlyph* in_glyph) -{ - int glyph_idx = baked->Glyphs.Size; - baked->Glyphs.push_back(*in_glyph); - ImFontGlyph* glyph = &baked->Glyphs[glyph_idx]; - IM_ASSERT(baked->Glyphs.Size < 0xFFFE); // IndexLookup[] hold 16-bit values and -1/-2 are reserved. - - // Set UV from packed rectangle - if (glyph->PackId != ImFontAtlasRectId_Invalid) - { - ImTextureRect* r = ImFontAtlasPackGetRect(atlas, glyph->PackId); - IM_ASSERT(glyph->U0 == 0.0f && glyph->V0 == 0.0f && glyph->U1 == 0.0f && glyph->V1 == 0.0f); - glyph->U0 = (r->x) * atlas->TexUvScale.x; - glyph->V0 = (r->y) * atlas->TexUvScale.y; - glyph->U1 = (r->x + r->w) * atlas->TexUvScale.x; - glyph->V1 = (r->y + r->h) * atlas->TexUvScale.y; - baked->MetricsTotalSurface += r->w * r->h; - } - - if (src != NULL) - { - // Clamp & recenter if needed - const float ref_size = baked->ContainerFont->Sources[0]->SizePixels; - const float offsets_scale = (ref_size != 0.0f) ? (baked->Size / ref_size) : 1.0f; - float advance_x = ImClamp(glyph->AdvanceX, src->GlyphMinAdvanceX * offsets_scale, src->GlyphMaxAdvanceX * offsets_scale); - if (advance_x != glyph->AdvanceX) - { - float char_off_x = src->PixelSnapH ? ImTrunc((advance_x - glyph->AdvanceX) * 0.5f) : (advance_x - glyph->AdvanceX) * 0.5f; - glyph->X0 += char_off_x; - glyph->X1 += char_off_x; - } - - // Snap to pixel - if (src->PixelSnapH) - advance_x = IM_ROUND(advance_x); - - // Bake spacing - glyph->AdvanceX = advance_x + src->GlyphExtraAdvanceX; - } - if (glyph->Colored) - atlas->TexPixelsUseColors = atlas->TexData->UseColors = true; - - // Update lookup tables - const int codepoint = glyph->Codepoint; - ImFontBaked_BuildGrowIndex(baked, codepoint + 1); - baked->IndexAdvanceX[codepoint] = glyph->AdvanceX; - baked->IndexLookup[codepoint] = (ImU16)glyph_idx; - const int page_n = codepoint / 8192; - baked->ContainerFont->Used8kPagesMap[page_n >> 3] |= 1 << (page_n & 7); - - return glyph; -} - -// FIXME: Code is duplicated with code above. -void ImFontAtlasBakedAddFontGlyphAdvancedX(ImFontAtlas* atlas, ImFontBaked* baked, ImFontConfig* src, ImWchar codepoint, float advance_x) -{ - IM_UNUSED(atlas); - if (src != NULL) - { - // Clamp & recenter if needed - const float ref_size = baked->ContainerFont->Sources[0]->SizePixels; - const float offsets_scale = (ref_size != 0.0f) ? (baked->Size / ref_size) : 1.0f; - advance_x = ImClamp(advance_x, src->GlyphMinAdvanceX * offsets_scale, src->GlyphMaxAdvanceX * offsets_scale); - - // Snap to pixel - if (src->PixelSnapH) - advance_x = IM_ROUND(advance_x); - - // Bake spacing - advance_x += src->GlyphExtraAdvanceX; - } - - ImFontBaked_BuildGrowIndex(baked, codepoint + 1); - baked->IndexAdvanceX[codepoint] = advance_x; -} - -// Copy to texture, post-process and queue update for backend -void ImFontAtlasBakedSetFontGlyphBitmap(ImFontAtlas* atlas, ImFontBaked* baked, ImFontConfig* src, ImFontGlyph* glyph, ImTextureRect* r, const unsigned char* src_pixels, ImTextureFormat src_fmt, int src_pitch) -{ - ImTextureData* tex = atlas->TexData; - IM_ASSERT(r->x + r->w <= tex->Width && r->y + r->h <= tex->Height); - ImFontAtlasTextureBlockConvert(src_pixels, src_fmt, src_pitch, (unsigned char*)tex->GetPixelsAt(r->x, r->y), tex->Format, tex->GetPitch(), r->w, r->h); - ImFontAtlasPostProcessData pp_data = { atlas, baked->ContainerFont, src, baked, glyph, tex->GetPixelsAt(r->x, r->y), tex->Format, tex->GetPitch(), r->w, r->h }; - ImFontAtlasTextureBlockPostProcess(&pp_data); - ImFontAtlasTextureBlockQueueUpload(atlas, tex, r->x, r->y, r->w, r->h); -} - -void ImFont::AddRemapChar(ImWchar from_codepoint, ImWchar to_codepoint) -{ - RemapPairs.SetInt((ImGuiID)from_codepoint, (int)to_codepoint); -} - -// Find glyph, load if necessary, return fallback if missing -ImFontGlyph* ImFontBaked::FindGlyph(ImWchar c) -{ - if (c < (size_t)IndexLookup.Size) IM_LIKELY - { - const int i = (int)IndexLookup.Data[c]; - if (i == IM_FONTGLYPH_INDEX_NOT_FOUND) - return &Glyphs.Data[FallbackGlyphIndex]; - if (i != IM_FONTGLYPH_INDEX_UNUSED) - return &Glyphs.Data[i]; - } - ImFontGlyph* glyph = ImFontBaked_BuildLoadGlyph(this, c, NULL); - return glyph ? glyph : &Glyphs.Data[FallbackGlyphIndex]; -} - -// Attempt to load but when missing, return NULL instead of FallbackGlyph -ImFontGlyph* ImFontBaked::FindGlyphNoFallback(ImWchar c) -{ - if (c < (size_t)IndexLookup.Size) IM_LIKELY - { - const int i = (int)IndexLookup.Data[c]; - if (i == IM_FONTGLYPH_INDEX_NOT_FOUND) - return NULL; - if (i != IM_FONTGLYPH_INDEX_UNUSED) - return &Glyphs.Data[i]; - } - LockLoadingFallback = true; // This is actually a rare call, not done in hot-loop, so we prioritize not adding extra cruft to ImFontBaked_BuildLoadGlyph() call sites. - ImFontGlyph* glyph = ImFontBaked_BuildLoadGlyph(this, c, NULL); - LockLoadingFallback = false; - return glyph; -} - -bool ImFontBaked::IsGlyphLoaded(ImWchar c) -{ - if (c < (size_t)IndexLookup.Size) IM_LIKELY - { - const int i = (int)IndexLookup.Data[c]; - if (i == IM_FONTGLYPH_INDEX_NOT_FOUND) - return false; - if (i != IM_FONTGLYPH_INDEX_UNUSED) - return true; - } - return false; -} - -// This is not fast query -bool ImFont::IsGlyphInFont(ImWchar c) -{ - ImFontAtlas* atlas = ContainerAtlas; - ImFontAtlas_FontHookRemapCodepoint(atlas, this, &c); - for (ImFontConfig* src : Sources) - { - const ImFontLoader* loader = src->FontLoader ? src->FontLoader : atlas->FontLoader; - if (loader->FontSrcContainsGlyph != NULL && loader->FontSrcContainsGlyph(atlas, src, c)) - return true; - } - return false; -} - -// This is manually inlined in CalcTextSizeA() and CalcWordWrapPosition(), with a non-inline call to BuildLoadGlyphGetAdvanceOrFallback(). -IM_MSVC_RUNTIME_CHECKS_OFF -float ImFontBaked::GetCharAdvance(ImWchar c) -{ - if ((int)c < IndexAdvanceX.Size) - { - // Missing glyphs fitting inside index will have stored FallbackAdvanceX already. - const float x = IndexAdvanceX.Data[c]; - if (x >= 0.0f) - return x; - } - return ImFontBaked_BuildLoadGlyphAdvanceX(this, c); -} -IM_MSVC_RUNTIME_CHECKS_RESTORE - -ImGuiID ImFontAtlasBakedGetId(ImGuiID font_id, float baked_size, float rasterizer_density) -{ - struct { ImGuiID FontId; float BakedSize; float RasterizerDensity; } hashed_data; - hashed_data.FontId = font_id; - hashed_data.BakedSize = baked_size; - hashed_data.RasterizerDensity = rasterizer_density; - return ImHashData(&hashed_data, sizeof(hashed_data)); -} - -// ImFontBaked pointers are valid for the entire frame but shall never be kept between frames. -ImFontBaked* ImFont::GetFontBaked(float size, float density) -{ - ImFontBaked* baked = LastBaked; - - // Round font size - // - ImGui::PushFont() will already round, but other paths calling GetFontBaked() directly also needs it (e.g. ImFontAtlasBuildPreloadAllGlyphRanges) - size = ImGui::GetRoundedFontSize(size); - - if (density < 0.0f) - density = CurrentRasterizerDensity; - if (baked && baked->Size == size && baked->RasterizerDensity == density) - return baked; - - ImFontAtlas* atlas = ContainerAtlas; - ImFontAtlasBuilder* builder = atlas->Builder; - baked = ImFontAtlasBakedGetOrAdd(atlas, this, size, density); - if (baked == NULL) - return NULL; - baked->LastUsedFrame = builder->FrameCount; - LastBaked = baked; - return baked; -} - -ImFontBaked* ImFontAtlasBakedGetOrAdd(ImFontAtlas* atlas, ImFont* font, float font_size, float font_rasterizer_density) -{ - // FIXME-NEWATLAS: Design for picking a nearest size based on some criteria? - // FIXME-NEWATLAS: Altering font density won't work right away. - IM_ASSERT(font_size > 0.0f && font_rasterizer_density > 0.0f); - ImGuiID baked_id = ImFontAtlasBakedGetId(font->FontId, font_size, font_rasterizer_density); - ImFontAtlasBuilder* builder = atlas->Builder; - ImFontBaked** p_baked_in_map = (ImFontBaked**)builder->BakedMap.GetVoidPtrRef(baked_id); - ImFontBaked* baked = *p_baked_in_map; - if (baked != NULL) - { - IM_ASSERT(baked->Size == font_size && baked->ContainerFont == font && baked->BakedId == baked_id); - return baked; - } - - // If atlas is locked, find closest match - // FIXME-OPT: This is not an optimal query. - if ((font->Flags & ImFontFlags_LockBakedSizes) || atlas->Locked) - { - baked = ImFontAtlasBakedGetClosestMatch(atlas, font, font_size, font_rasterizer_density); - if (baked != NULL) - return baked; - if (atlas->Locked) - { - IM_ASSERT(!atlas->Locked && "Cannot use dynamic font size with a locked ImFontAtlas!"); // Locked because rendering backend does not support ImGuiBackendFlags_RendererHasTextures! - return NULL; - } - } - - // Create new - baked = ImFontAtlasBakedAdd(atlas, font, font_size, font_rasterizer_density, baked_id); - *p_baked_in_map = baked; // To avoid 'builder->BakedMap.SetVoidPtr(baked_id, baked);' while we can. - return baked; -} - -// Trim trailing space and find beginning of next line -static inline const char* CalcWordWrapNextLineStartA(const char* text, const char* text_end) -{ - while (text < text_end && ImCharIsBlankA(*text)) - text++; - if (*text == '\n') - text++; - return text; -} - -// Simple word-wrapping for English, not full-featured. Please submit failing cases! -// This will return the next location to wrap from. If no wrapping if necessary, this will fast-forward to e.g. text_end. -// FIXME: Much possible improvements (don't cut things like "word !", "word!!!" but cut within "word,,,,", more sensible support for punctuations, support for Unicode punctuations, etc.) -const char* ImFont::CalcWordWrapPosition(float size, const char* text, const char* text_end, float wrap_width) -{ - // For references, possible wrap point marked with ^ - // "aaa bbb, ccc,ddd. eee fff. ggg!" - // ^ ^ ^ ^ ^__ ^ ^ - - // List of hardcoded separators: .,;!?'" - - // Skip extra blanks after a line returns (that includes not counting them in width computation) - // e.g. "Hello world" --> "Hello" "World" - - // Cut words that cannot possibly fit within one line. - // e.g.: "The tropical fish" with ~5 characters worth of width --> "The tr" "opical" "fish" - - ImFontBaked* baked = GetFontBaked(size); - const float scale = size / baked->Size; - - float line_width = 0.0f; - float word_width = 0.0f; - float blank_width = 0.0f; - wrap_width /= scale; // We work with unscaled widths to avoid scaling every characters - - const char* word_end = text; - const char* prev_word_end = NULL; - bool inside_word = true; - - const char* s = text; - IM_ASSERT(text_end != NULL); - while (s < text_end) - { - unsigned int c = (unsigned int)*s; - const char* next_s; - if (c < 0x80) - next_s = s + 1; - else - next_s = s + ImTextCharFromUtf8(&c, s, text_end); - - if (c < 32) - { - if (c == '\n') - { - line_width = word_width = blank_width = 0.0f; - inside_word = true; - s = next_s; - continue; - } - if (c == '\r') - { - s = next_s; - continue; - } - } - - // Optimized inline version of 'float char_width = GetCharAdvance((ImWchar)c);' - float char_width = (c < (unsigned int)baked->IndexAdvanceX.Size) ? baked->IndexAdvanceX.Data[c] : -1.0f; - if (char_width < 0.0f) - char_width = BuildLoadGlyphGetAdvanceOrFallback(baked, c); - - if (ImCharIsBlankW(c)) - { - if (inside_word) - { - line_width += blank_width; - blank_width = 0.0f; - word_end = s; - } - blank_width += char_width; - inside_word = false; - } - else - { - word_width += char_width; - if (inside_word) - { - word_end = next_s; - } - else - { - prev_word_end = word_end; - line_width += word_width + blank_width; - word_width = blank_width = 0.0f; - } - - // Allow wrapping after punctuation. - inside_word = (c != '.' && c != ',' && c != ';' && c != '!' && c != '?' && c != '\"' && c != 0x3001 && c != 0x3002); - } - - // We ignore blank width at the end of the line (they can be skipped) - if (line_width + word_width > wrap_width) - { - // Words that cannot possibly fit within an entire line will be cut anywhere. - if (word_width < wrap_width) - s = prev_word_end ? prev_word_end : word_end; - break; - } - - s = next_s; - } - - // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity. - // +1 may not be a character start point in UTF-8 but it's ok because caller loops use (text >= word_wrap_eol). - if (s == text && text < text_end) - return s + ImTextCountUtf8BytesFromChar(s, text_end); - return s; -} - -ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end, const char** remaining) -{ - if (!text_end) - text_end = text_begin + ImStrlen(text_begin); // FIXME-OPT: Need to avoid this. - - const float line_height = size; - ImFontBaked* baked = GetFontBaked(size); - const float scale = size / baked->Size; - - ImVec2 text_size = ImVec2(0, 0); - float line_width = 0.0f; - - const bool word_wrap_enabled = (wrap_width > 0.0f); - const char* word_wrap_eol = NULL; - - const char* s = text_begin; - while (s < text_end) - { - if (word_wrap_enabled) - { - // Calculate how far we can render. Requires two passes on the string data but keeps the code simple and not intrusive for what's essentially an uncommon feature. - if (!word_wrap_eol) - word_wrap_eol = CalcWordWrapPosition(size, s, text_end, wrap_width - line_width); - - if (s >= word_wrap_eol) - { - if (text_size.x < line_width) - text_size.x = line_width; - text_size.y += line_height; - line_width = 0.0f; - word_wrap_eol = NULL; - s = CalcWordWrapNextLineStartA(s, text_end); // Wrapping skips upcoming blanks - continue; - } - } - - // Decode and advance source - const char* prev_s = s; - unsigned int c = (unsigned int)*s; - if (c < 0x80) - s += 1; - else - s += ImTextCharFromUtf8(&c, s, text_end); - - if (c < 32) - { - if (c == '\n') - { - text_size.x = ImMax(text_size.x, line_width); - text_size.y += line_height; - line_width = 0.0f; - continue; - } - if (c == '\r') - continue; - } - - // Optimized inline version of 'float char_width = GetCharAdvance((ImWchar)c);' - float char_width = (c < (unsigned int)baked->IndexAdvanceX.Size) ? baked->IndexAdvanceX.Data[c] : -1.0f; - if (char_width < 0.0f) - char_width = BuildLoadGlyphGetAdvanceOrFallback(baked, c); - char_width *= scale; - - if (line_width + char_width >= max_width) - { - s = prev_s; - break; - } - - line_width += char_width; - } - - if (text_size.x < line_width) - text_size.x = line_width; - - if (line_width > 0 || text_size.y == 0.0f) - text_size.y += line_height; - - if (remaining) - *remaining = s; - - return text_size; -} - -// Note: as with every ImDrawList drawing function, this expects that the font atlas texture is bound. -void ImFont::RenderChar(ImDrawList* draw_list, float size, const ImVec2& pos, ImU32 col, ImWchar c, const ImVec4* cpu_fine_clip) -{ - ImFontBaked* baked = GetFontBaked(size); - const ImFontGlyph* glyph = baked->FindGlyph(c); - if (!glyph || !glyph->Visible) - return; - if (glyph->Colored) - col |= ~IM_COL32_A_MASK; - float scale = (size >= 0.0f) ? (size / baked->Size) : 1.0f; - float x = IM_TRUNC(pos.x); - float y = IM_TRUNC(pos.y); - - float x1 = x + glyph->X0 * scale; - float x2 = x + glyph->X1 * scale; - if (cpu_fine_clip && (x1 > cpu_fine_clip->z || x2 < cpu_fine_clip->x)) - return; - float y1 = y + glyph->Y0 * scale; - float y2 = y + glyph->Y1 * scale; - float u1 = glyph->U0; - float v1 = glyph->V0; - float u2 = glyph->U1; - float v2 = glyph->V1; - - // Always CPU fine clip. Code extracted from RenderText(). - // CPU side clipping used to fit text in their frame when the frame is too small. Only does clipping for axis aligned quads. - if (cpu_fine_clip != NULL) - { - if (x1 < cpu_fine_clip->x) { u1 = u1 + (1.0f - (x2 - cpu_fine_clip->x) / (x2 - x1)) * (u2 - u1); x1 = cpu_fine_clip->x; } - if (y1 < cpu_fine_clip->y) { v1 = v1 + (1.0f - (y2 - cpu_fine_clip->y) / (y2 - y1)) * (v2 - v1); y1 = cpu_fine_clip->y; } - if (x2 > cpu_fine_clip->z) { u2 = u1 + ((cpu_fine_clip->z - x1) / (x2 - x1)) * (u2 - u1); x2 = cpu_fine_clip->z; } - if (y2 > cpu_fine_clip->w) { v2 = v1 + ((cpu_fine_clip->w - y1) / (y2 - y1)) * (v2 - v1); y2 = cpu_fine_clip->w; } - if (y1 >= y2) - return; - } - draw_list->PrimReserve(6, 4); - draw_list->PrimRectUV(ImVec2(x1, y1), ImVec2(x2, y2), ImVec2(u1, v1), ImVec2(u2, v2), col); -} - -// Note: as with every ImDrawList drawing function, this expects that the font atlas texture is bound. -void ImFont::RenderText(ImDrawList* draw_list, float size, const ImVec2& pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, float wrap_width, bool cpu_fine_clip) -{ - // Align to be pixel perfect -begin: - float x = IM_TRUNC(pos.x); - float y = IM_TRUNC(pos.y); - if (y > clip_rect.w) - return; - - if (!text_end) - text_end = text_begin + ImStrlen(text_begin); // ImGui:: functions generally already provides a valid text_end, so this is merely to handle direct calls. - - const float line_height = size; - ImFontBaked* baked = GetFontBaked(size); - - const float scale = size / baked->Size; - const float origin_x = x; - const bool word_wrap_enabled = (wrap_width > 0.0f); - - // Fast-forward to first visible line - const char* s = text_begin; - if (y + line_height < clip_rect.y) - while (y + line_height < clip_rect.y && s < text_end) - { - const char* line_end = (const char*)ImMemchr(s, '\n', text_end - s); - if (word_wrap_enabled) - { - // FIXME-OPT: This is not optimal as do first do a search for \n before calling CalcWordWrapPosition(). - // If the specs for CalcWordWrapPosition() were reworked to optionally return on \n we could combine both. - // However it is still better than nothing performing the fast-forward! - s = CalcWordWrapPosition(size, s, line_end ? line_end : text_end, wrap_width); - s = CalcWordWrapNextLineStartA(s, text_end); - } - else - { - s = line_end ? line_end + 1 : text_end; - } - y += line_height; - } - - // For large text, scan for the last visible line in order to avoid over-reserving in the call to PrimReserve() - // Note that very large horizontal line will still be affected by the issue (e.g. a one megabyte string buffer without a newline will likely crash atm) - if (text_end - s > 10000 && !word_wrap_enabled) - { - const char* s_end = s; - float y_end = y; - while (y_end < clip_rect.w && s_end < text_end) - { - s_end = (const char*)ImMemchr(s_end, '\n', text_end - s_end); - s_end = s_end ? s_end + 1 : text_end; - y_end += line_height; - } - text_end = s_end; - } - if (s == text_end) - return; - - // Reserve vertices for remaining worse case (over-reserving is useful and easily amortized) - const int vtx_count_max = (int)(text_end - s) * 4; - const int idx_count_max = (int)(text_end - s) * 6; - const int idx_expected_size = draw_list->IdxBuffer.Size + idx_count_max; - draw_list->PrimReserve(idx_count_max, vtx_count_max); - ImDrawVert* vtx_write = draw_list->_VtxWritePtr; - ImDrawIdx* idx_write = draw_list->_IdxWritePtr; - unsigned int vtx_index = draw_list->_VtxCurrentIdx; - const int cmd_count = draw_list->CmdBuffer.Size; - - const ImU32 col_untinted = col | ~IM_COL32_A_MASK; - const char* word_wrap_eol = NULL; - - while (s < text_end) - { - if (word_wrap_enabled) - { - // Calculate how far we can render. Requires two passes on the string data but keeps the code simple and not intrusive for what's essentially an uncommon feature. - if (!word_wrap_eol) - word_wrap_eol = CalcWordWrapPosition(size, s, text_end, wrap_width - (x - origin_x)); - - if (s >= word_wrap_eol) - { - x = origin_x; - y += line_height; - if (y > clip_rect.w) - break; // break out of main loop - word_wrap_eol = NULL; - s = CalcWordWrapNextLineStartA(s, text_end); // Wrapping skips upcoming blanks - continue; - } - } - - // Decode and advance source - unsigned int c = (unsigned int)*s; - if (c < 0x80) - s += 1; - else - s += ImTextCharFromUtf8(&c, s, text_end); - - if (c < 32) - { - if (c == '\n') - { - x = origin_x; - y += line_height; - if (y > clip_rect.w) - break; // break out of main loop - continue; - } - if (c == '\r') - continue; - } - - const ImFontGlyph* glyph = baked->FindGlyph((ImWchar)c); - //if (glyph == NULL) - // continue; - - float char_width = glyph->AdvanceX * scale; - if (glyph->Visible) - { - // We don't do a second finer clipping test on the Y axis as we've already skipped anything before clip_rect.y and exit once we pass clip_rect.w - float x1 = x + glyph->X0 * scale; - float x2 = x + glyph->X1 * scale; - float y1 = y + glyph->Y0 * scale; - float y2 = y + glyph->Y1 * scale; - if (x1 <= clip_rect.z && x2 >= clip_rect.x) - { - // Render a character - float u1 = glyph->U0; - float v1 = glyph->V0; - float u2 = glyph->U1; - float v2 = glyph->V1; - - // CPU side clipping used to fit text in their frame when the frame is too small. Only does clipping for axis aligned quads. - if (cpu_fine_clip) - { - if (x1 < clip_rect.x) - { - u1 = u1 + (1.0f - (x2 - clip_rect.x) / (x2 - x1)) * (u2 - u1); - x1 = clip_rect.x; - } - if (y1 < clip_rect.y) - { - v1 = v1 + (1.0f - (y2 - clip_rect.y) / (y2 - y1)) * (v2 - v1); - y1 = clip_rect.y; - } - if (x2 > clip_rect.z) - { - u2 = u1 + ((clip_rect.z - x1) / (x2 - x1)) * (u2 - u1); - x2 = clip_rect.z; - } - if (y2 > clip_rect.w) - { - v2 = v1 + ((clip_rect.w - y1) / (y2 - y1)) * (v2 - v1); - y2 = clip_rect.w; - } - if (y1 >= y2) - { - x += char_width; - continue; - } - } - - // Support for untinted glyphs - ImU32 glyph_col = glyph->Colored ? col_untinted : col; - - // We are NOT calling PrimRectUV() here because non-inlined causes too much overhead in a debug builds. Inlined here: - { - vtx_write[0].pos.x = x1; vtx_write[0].pos.y = y1; vtx_write[0].col = glyph_col; vtx_write[0].uv.x = u1; vtx_write[0].uv.y = v1; - vtx_write[1].pos.x = x2; vtx_write[1].pos.y = y1; vtx_write[1].col = glyph_col; vtx_write[1].uv.x = u2; vtx_write[1].uv.y = v1; - vtx_write[2].pos.x = x2; vtx_write[2].pos.y = y2; vtx_write[2].col = glyph_col; vtx_write[2].uv.x = u2; vtx_write[2].uv.y = v2; - vtx_write[3].pos.x = x1; vtx_write[3].pos.y = y2; vtx_write[3].col = glyph_col; vtx_write[3].uv.x = u1; vtx_write[3].uv.y = v2; - idx_write[0] = (ImDrawIdx)(vtx_index); idx_write[1] = (ImDrawIdx)(vtx_index + 1); idx_write[2] = (ImDrawIdx)(vtx_index + 2); - idx_write[3] = (ImDrawIdx)(vtx_index); idx_write[4] = (ImDrawIdx)(vtx_index + 2); idx_write[5] = (ImDrawIdx)(vtx_index + 3); - vtx_write += 4; - vtx_index += 4; - idx_write += 6; - } - } - } - x += char_width; - } - - // Edge case: calling RenderText() with unloaded glyphs triggering texture change. It doesn't happen via ImGui:: calls because CalcTextSize() is always used. - if (cmd_count != draw_list->CmdBuffer.Size) //-V547 - { - IM_ASSERT(draw_list->CmdBuffer[draw_list->CmdBuffer.Size - 1].ElemCount == 0); - draw_list->CmdBuffer.pop_back(); - draw_list->PrimUnreserve(idx_count_max, vtx_count_max); - draw_list->AddDrawCmd(); - //IMGUI_DEBUG_LOG("RenderText: cancel and retry to missing glyphs.\n"); // [DEBUG] - //draw_list->AddRectFilled(pos, pos + ImVec2(10, 10), IM_COL32(255, 0, 0, 255)); // [DEBUG] - goto begin; - //RenderText(draw_list, size, pos, col, clip_rect, text_begin, text_end, wrap_width, cpu_fine_clip); // FIXME-OPT: Would a 'goto begin' be better for code-gen? - //return; - } - - // Give back unused vertices (clipped ones, blanks) ~ this is essentially a PrimUnreserve() action. - draw_list->VtxBuffer.Size = (int)(vtx_write - draw_list->VtxBuffer.Data); // Same as calling shrink() - draw_list->IdxBuffer.Size = (int)(idx_write - draw_list->IdxBuffer.Data); - draw_list->CmdBuffer[draw_list->CmdBuffer.Size - 1].ElemCount -= (idx_expected_size - draw_list->IdxBuffer.Size); - draw_list->_VtxWritePtr = vtx_write; - draw_list->_IdxWritePtr = idx_write; - draw_list->_VtxCurrentIdx = vtx_index; -} - -//----------------------------------------------------------------------------- -// [SECTION] ImGui Internal Render Helpers -//----------------------------------------------------------------------------- -// Vaguely redesigned to stop accessing ImGui global state: -// - RenderArrow() -// - RenderBullet() -// - RenderCheckMark() -// - RenderArrowPointingAt() -// - RenderRectFilledRangeH() -// - RenderRectFilledWithHole() -//----------------------------------------------------------------------------- -// Function in need of a redesign (legacy mess) -// - RenderColorRectWithAlphaCheckerboard() -//----------------------------------------------------------------------------- - -// Render an arrow aimed to be aligned with text (p_min is a position in the same space text would be positioned). To e.g. denote expanded/collapsed state -void ImGui::RenderArrow(ImDrawList* draw_list, ImVec2 pos, ImU32 col, ImGuiDir dir, float scale) -{ - const float h = draw_list->_Data->FontSize * 1.00f; - float r = h * 0.40f * scale; - ImVec2 center = pos + ImVec2(h * 0.50f, h * 0.50f * scale); - - ImVec2 a, b, c; - switch (dir) - { - case ImGuiDir_Up: - case ImGuiDir_Down: - if (dir == ImGuiDir_Up) r = -r; - a = ImVec2(+0.000f, +0.750f) * r; - b = ImVec2(-0.866f, -0.750f) * r; - c = ImVec2(+0.866f, -0.750f) * r; - break; - case ImGuiDir_Left: - case ImGuiDir_Right: - if (dir == ImGuiDir_Left) r = -r; - a = ImVec2(+0.750f, +0.000f) * r; - b = ImVec2(-0.750f, +0.866f) * r; - c = ImVec2(-0.750f, -0.866f) * r; - break; - case ImGuiDir_None: - case ImGuiDir_COUNT: - IM_ASSERT(0); - break; - } - draw_list->AddTriangleFilled(center + a, center + b, center + c, col); -} - -void ImGui::RenderBullet(ImDrawList* draw_list, ImVec2 pos, ImU32 col) -{ - // FIXME-OPT: This should be baked in font. - draw_list->AddCircleFilled(pos, draw_list->_Data->FontSize * 0.20f, col, 8); -} - -void ImGui::RenderCheckMark(ImDrawList* draw_list, ImVec2 pos, ImU32 col, float sz) -{ - float thickness = ImMax(sz / 5.0f, 1.0f); - sz -= thickness * 0.5f; - pos += ImVec2(thickness * 0.25f, thickness * 0.25f); - - float third = sz / 3.0f; - float bx = pos.x + third; - float by = pos.y + sz - third * 0.5f; - draw_list->PathLineTo(ImVec2(bx - third, by - third)); - draw_list->PathLineTo(ImVec2(bx, by)); - draw_list->PathLineTo(ImVec2(bx + third * 2.0f, by - third * 2.0f)); - draw_list->PathStroke(col, 0, thickness); -} - -// Render an arrow. 'pos' is position of the arrow tip. half_sz.x is length from base to tip. half_sz.y is length on each side. -void ImGui::RenderArrowPointingAt(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, ImGuiDir direction, ImU32 col) -{ - switch (direction) - { - case ImGuiDir_Left: draw_list->AddTriangleFilled(ImVec2(pos.x + half_sz.x, pos.y - half_sz.y), ImVec2(pos.x + half_sz.x, pos.y + half_sz.y), pos, col); return; - case ImGuiDir_Right: draw_list->AddTriangleFilled(ImVec2(pos.x - half_sz.x, pos.y + half_sz.y), ImVec2(pos.x - half_sz.x, pos.y - half_sz.y), pos, col); return; - case ImGuiDir_Up: draw_list->AddTriangleFilled(ImVec2(pos.x + half_sz.x, pos.y + half_sz.y), ImVec2(pos.x - half_sz.x, pos.y + half_sz.y), pos, col); return; - case ImGuiDir_Down: draw_list->AddTriangleFilled(ImVec2(pos.x - half_sz.x, pos.y - half_sz.y), ImVec2(pos.x + half_sz.x, pos.y - half_sz.y), pos, col); return; - case ImGuiDir_None: case ImGuiDir_COUNT: break; // Fix warnings - } -} - -static inline float ImAcos01(float x) -{ - if (x <= 0.0f) return IM_PI * 0.5f; - if (x >= 1.0f) return 0.0f; - return ImAcos(x); - //return (-0.69813170079773212f * x * x - 0.87266462599716477f) * x + 1.5707963267948966f; // Cheap approximation, may be enough for what we do. -} - -// FIXME: Cleanup and move code to ImDrawList. -void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding) -{ - if (x_end_norm == x_start_norm) - return; - if (x_start_norm > x_end_norm) - ImSwap(x_start_norm, x_end_norm); - - ImVec2 p0 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_start_norm), rect.Min.y); - ImVec2 p1 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_end_norm), rect.Max.y); - if (rounding == 0.0f) - { - draw_list->AddRectFilled(p0, p1, col, 0.0f); - return; - } - - rounding = ImClamp(ImMin((rect.Max.x - rect.Min.x) * 0.5f, (rect.Max.y - rect.Min.y) * 0.5f) - 1.0f, 0.0f, rounding); - const float inv_rounding = 1.0f / rounding; - const float arc0_b = ImAcos01(1.0f - (p0.x - rect.Min.x) * inv_rounding); - const float arc0_e = ImAcos01(1.0f - (p1.x - rect.Min.x) * inv_rounding); - const float half_pi = IM_PI * 0.5f; // We will == compare to this because we know this is the exact value ImAcos01 can return. - const float x0 = ImMax(p0.x, rect.Min.x + rounding); - if (arc0_b == arc0_e) - { - draw_list->PathLineTo(ImVec2(x0, p1.y)); - draw_list->PathLineTo(ImVec2(x0, p0.y)); - } - else if (arc0_b == 0.0f && arc0_e == half_pi) - { - draw_list->PathArcToFast(ImVec2(x0, p1.y - rounding), rounding, 3, 6); // BL - draw_list->PathArcToFast(ImVec2(x0, p0.y + rounding), rounding, 6, 9); // TR - } - else - { - draw_list->PathArcTo(ImVec2(x0, p1.y - rounding), rounding, IM_PI - arc0_e, IM_PI - arc0_b); // BL - draw_list->PathArcTo(ImVec2(x0, p0.y + rounding), rounding, IM_PI + arc0_b, IM_PI + arc0_e); // TR - } - if (p1.x > rect.Min.x + rounding) - { - const float arc1_b = ImAcos01(1.0f - (rect.Max.x - p1.x) * inv_rounding); - const float arc1_e = ImAcos01(1.0f - (rect.Max.x - p0.x) * inv_rounding); - const float x1 = ImMin(p1.x, rect.Max.x - rounding); - if (arc1_b == arc1_e) - { - draw_list->PathLineTo(ImVec2(x1, p0.y)); - draw_list->PathLineTo(ImVec2(x1, p1.y)); - } - else if (arc1_b == 0.0f && arc1_e == half_pi) - { - draw_list->PathArcToFast(ImVec2(x1, p0.y + rounding), rounding, 9, 12); // TR - draw_list->PathArcToFast(ImVec2(x1, p1.y - rounding), rounding, 0, 3); // BR - } - else - { - draw_list->PathArcTo(ImVec2(x1, p0.y + rounding), rounding, -arc1_e, -arc1_b); // TR - draw_list->PathArcTo(ImVec2(x1, p1.y - rounding), rounding, +arc1_b, +arc1_e); // BR - } - } - draw_list->PathFillConvex(col); -} - -void ImGui::RenderRectFilledWithHole(ImDrawList* draw_list, const ImRect& outer, const ImRect& inner, ImU32 col, float rounding) -{ - const bool fill_L = (inner.Min.x > outer.Min.x); - const bool fill_R = (inner.Max.x < outer.Max.x); - const bool fill_U = (inner.Min.y > outer.Min.y); - const bool fill_D = (inner.Max.y < outer.Max.y); - if (fill_L) draw_list->AddRectFilled(ImVec2(outer.Min.x, inner.Min.y), ImVec2(inner.Min.x, inner.Max.y), col, rounding, ImDrawFlags_RoundCornersNone | (fill_U ? 0 : ImDrawFlags_RoundCornersTopLeft) | (fill_D ? 0 : ImDrawFlags_RoundCornersBottomLeft)); - if (fill_R) draw_list->AddRectFilled(ImVec2(inner.Max.x, inner.Min.y), ImVec2(outer.Max.x, inner.Max.y), col, rounding, ImDrawFlags_RoundCornersNone | (fill_U ? 0 : ImDrawFlags_RoundCornersTopRight) | (fill_D ? 0 : ImDrawFlags_RoundCornersBottomRight)); - if (fill_U) draw_list->AddRectFilled(ImVec2(inner.Min.x, outer.Min.y), ImVec2(inner.Max.x, inner.Min.y), col, rounding, ImDrawFlags_RoundCornersNone | (fill_L ? 0 : ImDrawFlags_RoundCornersTopLeft) | (fill_R ? 0 : ImDrawFlags_RoundCornersTopRight)); - if (fill_D) draw_list->AddRectFilled(ImVec2(inner.Min.x, inner.Max.y), ImVec2(inner.Max.x, outer.Max.y), col, rounding, ImDrawFlags_RoundCornersNone | (fill_L ? 0 : ImDrawFlags_RoundCornersBottomLeft) | (fill_R ? 0 : ImDrawFlags_RoundCornersBottomRight)); - if (fill_L && fill_U) draw_list->AddRectFilled(ImVec2(outer.Min.x, outer.Min.y), ImVec2(inner.Min.x, inner.Min.y), col, rounding, ImDrawFlags_RoundCornersTopLeft); - if (fill_R && fill_U) draw_list->AddRectFilled(ImVec2(inner.Max.x, outer.Min.y), ImVec2(outer.Max.x, inner.Min.y), col, rounding, ImDrawFlags_RoundCornersTopRight); - if (fill_L && fill_D) draw_list->AddRectFilled(ImVec2(outer.Min.x, inner.Max.y), ImVec2(inner.Min.x, outer.Max.y), col, rounding, ImDrawFlags_RoundCornersBottomLeft); - if (fill_R && fill_D) draw_list->AddRectFilled(ImVec2(inner.Max.x, inner.Max.y), ImVec2(outer.Max.x, outer.Max.y), col, rounding, ImDrawFlags_RoundCornersBottomRight); -} - -// Helper for ColorPicker4() -// NB: This is rather brittle and will show artifact when rounding this enabled if rounded corners overlap multiple cells. Caller currently responsible for avoiding that. -// Spent a non reasonable amount of time trying to getting this right for ColorButton with rounding+anti-aliasing+ImGuiColorEditFlags_HalfAlphaPreview flag + various grid sizes and offsets, and eventually gave up... probably more reasonable to disable rounding altogether. -// FIXME: uses ImGui::GetColorU32 -void ImGui::RenderColorRectWithAlphaCheckerboard(ImDrawList* draw_list, ImVec2 p_min, ImVec2 p_max, ImU32 col, float grid_step, ImVec2 grid_off, float rounding, ImDrawFlags flags) -{ - if ((flags & ImDrawFlags_RoundCornersMask_) == 0) - flags = ImDrawFlags_RoundCornersDefault_; - if (((col & IM_COL32_A_MASK) >> IM_COL32_A_SHIFT) < 0xFF) - { - ImU32 col_bg1 = GetColorU32(ImAlphaBlendColors(IM_COL32(204, 204, 204, 255), col)); - ImU32 col_bg2 = GetColorU32(ImAlphaBlendColors(IM_COL32(128, 128, 128, 255), col)); - draw_list->AddRectFilled(p_min, p_max, col_bg1, rounding, flags); - - int yi = 0; - for (float y = p_min.y + grid_off.y; y < p_max.y; y += grid_step, yi++) - { - float y1 = ImClamp(y, p_min.y, p_max.y), y2 = ImMin(y + grid_step, p_max.y); - if (y2 <= y1) - continue; - for (float x = p_min.x + grid_off.x + (yi & 1) * grid_step; x < p_max.x; x += grid_step * 2.0f) - { - float x1 = ImClamp(x, p_min.x, p_max.x), x2 = ImMin(x + grid_step, p_max.x); - if (x2 <= x1) - continue; - ImDrawFlags cell_flags = ImDrawFlags_RoundCornersNone; - if (y1 <= p_min.y) { if (x1 <= p_min.x) cell_flags |= ImDrawFlags_RoundCornersTopLeft; if (x2 >= p_max.x) cell_flags |= ImDrawFlags_RoundCornersTopRight; } - if (y2 >= p_max.y) { if (x1 <= p_min.x) cell_flags |= ImDrawFlags_RoundCornersBottomLeft; if (x2 >= p_max.x) cell_flags |= ImDrawFlags_RoundCornersBottomRight; } - - // Combine flags - cell_flags = (flags == ImDrawFlags_RoundCornersNone || cell_flags == ImDrawFlags_RoundCornersNone) ? ImDrawFlags_RoundCornersNone : (cell_flags & flags); - draw_list->AddRectFilled(ImVec2(x1, y1), ImVec2(x2, y2), col_bg2, rounding, cell_flags); - } - } - } - else - { - draw_list->AddRectFilled(p_min, p_max, col, rounding, flags); - } -} - -//----------------------------------------------------------------------------- -// [SECTION] Decompression code -//----------------------------------------------------------------------------- -// Compressed with stb_compress() then converted to a C array and encoded as base85. -// Use the program in misc/fonts/binary_to_compressed_c.cpp to create the array from a TTF file. -// The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size. -// Decompression from stb.h (public domain) by Sean Barrett https://github.com/nothings/stb/blob/master/stb.h -//----------------------------------------------------------------------------- - -static unsigned int stb_decompress_length(const unsigned char *input) -{ - return (input[8] << 24) + (input[9] << 16) + (input[10] << 8) + input[11]; -} - -static unsigned char *stb__barrier_out_e, *stb__barrier_out_b; -static const unsigned char *stb__barrier_in_b; -static unsigned char *stb__dout; -static void stb__match(const unsigned char *data, unsigned int length) -{ - // INVERSE of memmove... write each byte before copying the next... - IM_ASSERT(stb__dout + length <= stb__barrier_out_e); - if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; } - if (data < stb__barrier_out_b) { stb__dout = stb__barrier_out_e+1; return; } - while (length--) *stb__dout++ = *data++; -} - -static void stb__lit(const unsigned char *data, unsigned int length) -{ - IM_ASSERT(stb__dout + length <= stb__barrier_out_e); - if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; } - if (data < stb__barrier_in_b) { stb__dout = stb__barrier_out_e+1; return; } - memcpy(stb__dout, data, length); - stb__dout += length; -} - -#define stb__in2(x) ((i[x] << 8) + i[(x)+1]) -#define stb__in3(x) ((i[x] << 16) + stb__in2((x)+1)) -#define stb__in4(x) ((i[x] << 24) + stb__in3((x)+1)) - -static const unsigned char *stb_decompress_token(const unsigned char *i) -{ - if (*i >= 0x20) { // use fewer if's for cases that expand small - if (*i >= 0x80) stb__match(stb__dout-i[1]-1, i[0] - 0x80 + 1), i += 2; - else if (*i >= 0x40) stb__match(stb__dout-(stb__in2(0) - 0x4000 + 1), i[2]+1), i += 3; - else /* *i >= 0x20 */ stb__lit(i+1, i[0] - 0x20 + 1), i += 1 + (i[0] - 0x20 + 1); - } else { // more ifs for cases that expand large, since overhead is amortized - if (*i >= 0x18) stb__match(stb__dout-(stb__in3(0) - 0x180000 + 1), i[3]+1), i += 4; - else if (*i >= 0x10) stb__match(stb__dout-(stb__in3(0) - 0x100000 + 1), stb__in2(3)+1), i += 5; - else if (*i >= 0x08) stb__lit(i+2, stb__in2(0) - 0x0800 + 1), i += 2 + (stb__in2(0) - 0x0800 + 1); - else if (*i == 0x07) stb__lit(i+3, stb__in2(1) + 1), i += 3 + (stb__in2(1) + 1); - else if (*i == 0x06) stb__match(stb__dout-(stb__in3(1)+1), i[4]+1), i += 5; - else if (*i == 0x04) stb__match(stb__dout-(stb__in3(1)+1), stb__in2(4)+1), i += 6; - } - return i; -} - -static unsigned int stb_adler32(unsigned int adler32, unsigned char *buffer, unsigned int buflen) -{ - const unsigned long ADLER_MOD = 65521; - unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16; - unsigned long blocklen = buflen % 5552; - - unsigned long i; - while (buflen) { - for (i=0; i + 7 < blocklen; i += 8) { - s1 += buffer[0], s2 += s1; - s1 += buffer[1], s2 += s1; - s1 += buffer[2], s2 += s1; - s1 += buffer[3], s2 += s1; - s1 += buffer[4], s2 += s1; - s1 += buffer[5], s2 += s1; - s1 += buffer[6], s2 += s1; - s1 += buffer[7], s2 += s1; - - buffer += 8; - } - - for (; i < blocklen; ++i) - s1 += *buffer++, s2 += s1; - - s1 %= ADLER_MOD, s2 %= ADLER_MOD; - buflen -= blocklen; - blocklen = 5552; - } - return (unsigned int)(s2 << 16) + (unsigned int)s1; -} - -static unsigned int stb_decompress(unsigned char *output, const unsigned char *i, unsigned int /*length*/) -{ - if (stb__in4(0) != 0x57bC0000) return 0; - if (stb__in4(4) != 0) return 0; // error! stream is > 4GB - const unsigned int olen = stb_decompress_length(i); - stb__barrier_in_b = i; - stb__barrier_out_e = output + olen; - stb__barrier_out_b = output; - i += 16; - - stb__dout = output; - for (;;) { - const unsigned char *old_i = i; - i = stb_decompress_token(i); - if (i == old_i) { - if (*i == 0x05 && i[1] == 0xfa) { - IM_ASSERT(stb__dout == output + olen); - if (stb__dout != output + olen) return 0; - if (stb_adler32(1, output, olen) != (unsigned int) stb__in4(2)) - return 0; - return olen; - } else { - IM_ASSERT(0); /* NOTREACHED */ - return 0; - } - } - IM_ASSERT(stb__dout <= output + olen); - if (stb__dout > output + olen) - return 0; - } -} - -//----------------------------------------------------------------------------- -// [SECTION] Default font data (ProggyClean.ttf) -//----------------------------------------------------------------------------- -// ProggyClean.ttf -// Copyright (c) 2004, 2005 Tristan Grimmer -// MIT license (see License.txt in http://www.proggyfonts.net/index.php?menu=download) -// Download and more information at http://www.proggyfonts.net or http://upperboundsinteractive.com/fonts.php -//----------------------------------------------------------------------------- - -#ifndef IMGUI_DISABLE_DEFAULT_FONT - -// File: 'ProggyClean.ttf' (41208 bytes) -// Exported using binary_to_compressed_c.exe -u8 "ProggyClean.ttf" proggy_clean_ttf -static const unsigned int proggy_clean_ttf_compressed_size = 9583; -static const unsigned char proggy_clean_ttf_compressed_data[9583] = -{ - 87,188,0,0,0,0,0,0,0,0,160,248,0,4,0,0,55,0,1,0,0,0,12,0,128,0,3,0,64,79,83,47,50,136,235,116,144,0,0,1,72,130,21,44,78,99,109,97,112,2,18,35,117,0,0,3,160,130,19,36,82,99,118,116, - 32,130,23,130,2,33,4,252,130,4,56,2,103,108,121,102,18,175,137,86,0,0,7,4,0,0,146,128,104,101,97,100,215,145,102,211,130,27,32,204,130,3,33,54,104,130,16,39,8,66,1,195,0,0,1,4,130, - 15,59,36,104,109,116,120,138,0,126,128,0,0,1,152,0,0,2,6,108,111,99,97,140,115,176,216,0,0,5,130,30,41,2,4,109,97,120,112,1,174,0,218,130,31,32,40,130,16,44,32,110,97,109,101,37,89, - 187,150,0,0,153,132,130,19,44,158,112,111,115,116,166,172,131,239,0,0,155,36,130,51,44,210,112,114,101,112,105,2,1,18,0,0,4,244,130,47,32,8,132,203,46,1,0,0,60,85,233,213,95,15,60, - 245,0,3,8,0,131,0,34,183,103,119,130,63,43,0,0,189,146,166,215,0,0,254,128,3,128,131,111,130,241,33,2,0,133,0,32,1,130,65,38,192,254,64,0,0,3,128,131,16,130,5,32,1,131,7,138,3,33,2, - 0,130,17,36,1,1,0,144,0,130,121,130,23,38,2,0,8,0,64,0,10,130,9,32,118,130,9,130,6,32,0,130,59,33,1,144,131,200,35,2,188,2,138,130,16,32,143,133,7,37,1,197,0,50,2,0,131,0,33,4,9,131, - 5,145,3,43,65,108,116,115,0,64,0,0,32,172,8,0,131,0,35,5,0,1,128,131,77,131,3,33,3,128,191,1,33,1,128,130,184,35,0,0,128,0,130,3,131,11,32,1,130,7,33,0,128,131,1,32,1,136,9,32,0,132, - 15,135,5,32,1,131,13,135,27,144,35,32,1,149,25,131,21,32,0,130,0,32,128,132,103,130,35,132,39,32,0,136,45,136,97,133,17,130,5,33,0,0,136,19,34,0,128,1,133,13,133,5,32,128,130,15,132, - 131,32,3,130,5,32,3,132,27,144,71,32,0,133,27,130,29,130,31,136,29,131,63,131,3,65,63,5,132,5,132,205,130,9,33,0,0,131,9,137,119,32,3,132,19,138,243,130,55,32,1,132,35,135,19,131,201, - 136,11,132,143,137,13,130,41,32,0,131,3,144,35,33,128,0,135,1,131,223,131,3,141,17,134,13,136,63,134,15,136,53,143,15,130,96,33,0,3,131,4,130,3,34,28,0,1,130,5,34,0,0,76,130,17,131, - 9,36,28,0,4,0,48,130,17,46,8,0,8,0,2,0,0,0,127,0,255,32,172,255,255,130,9,34,0,0,129,132,9,130,102,33,223,213,134,53,132,22,33,1,6,132,6,64,4,215,32,129,165,216,39,177,0,1,141,184, - 1,255,133,134,45,33,198,0,193,1,8,190,244,1,28,1,158,2,20,2,136,2,252,3,20,3,88,3,156,3,222,4,20,4,50,4,80,4,98,4,162,5,22,5,102,5,188,6,18,6,116,6,214,7,56,7,126,7,236,8,78,8,108, - 8,150,8,208,9,16,9,74,9,136,10,22,10,128,11,4,11,86,11,200,12,46,12,130,12,234,13,94,13,164,13,234,14,80,14,150,15,40,15,176,16,18,16,116,16,224,17,82,17,182,18,4,18,110,18,196,19, - 76,19,172,19,246,20,88,20,174,20,234,21,64,21,128,21,166,21,184,22,18,22,126,22,198,23,52,23,142,23,224,24,86,24,186,24,238,25,54,25,150,25,212,26,72,26,156,26,240,27,92,27,200,28, - 4,28,76,28,150,28,234,29,42,29,146,29,210,30,64,30,142,30,224,31,36,31,118,31,166,31,166,32,16,130,1,52,46,32,138,32,178,32,200,33,20,33,116,33,152,33,238,34,98,34,134,35,12,130,1, - 33,128,35,131,1,60,152,35,176,35,216,36,0,36,74,36,104,36,144,36,174,37,6,37,96,37,130,37,248,37,248,38,88,38,170,130,1,8,190,216,39,64,39,154,40,10,40,104,40,168,41,14,41,32,41,184, - 41,248,42,54,42,96,42,96,43,2,43,42,43,94,43,172,43,230,44,32,44,52,44,154,45,40,45,92,45,120,45,170,45,232,46,38,46,166,47,38,47,182,47,244,48,94,48,200,49,62,49,180,50,30,50,158, - 51,30,51,130,51,238,52,92,52,206,53,58,53,134,53,212,54,38,54,114,54,230,55,118,55,216,56,58,56,166,57,18,57,116,57,174,58,46,58,154,59,6,59,124,59,232,60,58,60,150,61,34,61,134,61, - 236,62,86,62,198,63,42,63,154,64,18,64,106,64,208,65,54,65,162,66,8,66,64,66,122,66,184,66,240,67,98,67,204,68,42,68,138,68,238,69,88,69,182,69,226,70,84,70,180,71,20,71,122,71,218, - 72,84,72,198,73,64,0,36,70,21,8,8,77,3,0,7,0,11,0,15,0,19,0,23,0,27,0,31,0,35,0,39,0,43,0,47,0,51,0,55,0,59,0,63,0,67,0,71,0,75,0,79,0,83,0,87,0,91,0,95,0,99,0,103,0,107,0,111,0,115, - 0,119,0,123,0,127,0,131,0,135,0,139,0,143,0,0,17,53,51,21,49,150,3,32,5,130,23,32,33,130,3,211,7,151,115,32,128,133,0,37,252,128,128,2,128,128,190,5,133,74,32,4,133,6,206,5,42,0,7, - 1,128,0,0,2,0,4,0,0,65,139,13,37,0,1,53,51,21,7,146,3,32,3,130,19,32,1,141,133,32,3,141,14,131,13,38,255,0,128,128,0,6,1,130,84,35,2,128,4,128,140,91,132,89,32,51,65,143,6,139,7,33, - 1,0,130,57,32,254,130,3,32,128,132,4,32,4,131,14,138,89,35,0,0,24,0,130,0,33,3,128,144,171,66,55,33,148,115,65,187,19,32,5,130,151,143,155,163,39,32,1,136,182,32,253,134,178,132,7, - 132,200,145,17,32,3,65,48,17,165,17,39,0,0,21,0,128,255,128,3,65,175,17,65,3,27,132,253,131,217,139,201,155,233,155,27,131,67,131,31,130,241,33,255,0,131,181,137,232,132,15,132,4,138, - 247,34,255,0,128,179,238,32,0,130,0,32,20,65,239,48,33,0,19,67,235,10,32,51,65,203,14,65,215,11,32,7,154,27,135,39,32,33,130,35,33,128,128,130,231,32,253,132,231,32,128,132,232,34, - 128,128,254,133,13,136,8,32,253,65,186,5,130,36,130,42,176,234,133,231,34,128,0,0,66,215,44,33,0,1,68,235,6,68,211,19,32,49,68,239,14,139,207,139,47,66,13,7,32,51,130,47,33,1,0,130, - 207,35,128,128,1,0,131,222,131,5,130,212,130,6,131,212,32,0,130,10,133,220,130,233,130,226,32,254,133,255,178,233,39,3,1,128,3,0,2,0,4,68,15,7,68,99,12,130,89,130,104,33,128,4,133, - 93,130,10,38,0,0,11,1,0,255,0,68,63,16,70,39,9,66,215,8,32,7,68,77,6,68,175,14,32,29,68,195,6,132,7,35,2,0,128,255,131,91,132,4,65,178,5,141,111,67,129,23,165,135,140,107,142,135,33, - 21,5,69,71,6,131,7,33,1,0,140,104,132,142,130,4,137,247,140,30,68,255,12,39,11,0,128,0,128,3,0,3,69,171,15,67,251,7,65,15,8,66,249,11,65,229,7,67,211,7,66,13,7,35,1,128,128,254,133, - 93,32,254,131,145,132,4,132,18,32,2,151,128,130,23,34,0,0,9,154,131,65,207,8,68,107,15,68,51,7,32,7,70,59,7,135,121,130,82,32,128,151,111,41,0,0,4,0,128,255,0,1,128,1,137,239,33,0, - 37,70,145,10,65,77,10,65,212,14,37,0,0,0,5,0,128,66,109,5,70,123,10,33,0,19,72,33,18,133,237,70,209,11,33,0,2,130,113,137,119,136,115,33,1,0,133,43,130,5,34,0,0,10,69,135,6,70,219, - 13,66,155,7,65,9,12,66,157,11,66,9,11,32,7,130,141,132,252,66,151,9,137,9,66,15,30,36,0,20,0,128,0,130,218,71,11,42,68,51,8,65,141,7,73,19,15,69,47,23,143,39,66,81,7,32,1,66,55,6,34, - 1,128,128,68,25,5,69,32,6,137,6,136,25,32,254,131,42,32,3,66,88,26,148,26,32,0,130,0,32,14,164,231,70,225,12,66,233,7,67,133,19,71,203,15,130,161,32,255,130,155,32,254,139,127,134, - 12,164,174,33,0,15,164,159,33,59,0,65,125,20,66,25,7,32,5,68,191,6,66,29,7,144,165,65,105,9,35,128,128,255,0,137,2,133,182,164,169,33,128,128,197,171,130,155,68,235,7,32,21,70,77,19, - 66,21,10,68,97,8,66,30,5,66,4,43,34,0,17,0,71,19,41,65,253,20,71,25,23,65,91,15,65,115,7,34,2,128,128,66,9,8,130,169,33,1,0,66,212,13,132,28,72,201,43,35,0,0,0,18,66,27,38,76,231,5, - 68,157,20,135,157,32,7,68,185,13,65,129,28,66,20,5,32,253,66,210,11,65,128,49,133,61,32,0,65,135,6,74,111,37,72,149,12,66,203,19,65,147,19,68,93,7,68,85,8,76,4,5,33,255,0,133,129,34, - 254,0,128,68,69,8,181,197,34,0,0,12,65,135,32,65,123,20,69,183,27,133,156,66,50,5,72,87,10,67,137,32,33,0,19,160,139,78,251,13,68,55,20,67,119,19,65,91,36,69,177,15,32,254,143,16,65, - 98,53,32,128,130,0,32,0,66,43,54,70,141,23,66,23,15,131,39,69,47,11,131,15,70,129,19,74,161,9,36,128,255,0,128,254,130,153,65,148,32,67,41,9,34,0,0,4,79,15,5,73,99,10,71,203,8,32,3, - 72,123,6,72,43,8,32,2,133,56,131,99,130,9,34,0,0,6,72,175,5,73,159,14,144,63,135,197,132,189,133,66,33,255,0,73,6,7,70,137,12,35,0,0,0,10,130,3,73,243,25,67,113,12,65,73,7,69,161,7, - 138,7,37,21,2,0,128,128,254,134,3,73,116,27,33,128,128,130,111,39,12,0,128,1,0,3,128,2,72,219,21,35,43,0,47,0,67,47,20,130,111,33,21,1,68,167,13,81,147,8,133,230,32,128,77,73,6,32, - 128,131,142,134,18,130,6,32,255,75,18,12,131,243,37,128,0,128,3,128,3,74,231,21,135,123,32,29,134,107,135,7,32,21,74,117,7,135,7,134,96,135,246,74,103,23,132,242,33,0,10,67,151,28, - 67,133,20,66,141,11,131,11,32,3,77,71,6,32,128,130,113,32,1,81,4,6,134,218,66,130,24,131,31,34,0,26,0,130,0,77,255,44,83,15,11,148,155,68,13,7,32,49,78,231,18,79,7,11,73,243,11,32, - 33,65,187,10,130,63,65,87,8,73,239,19,35,0,128,1,0,131,226,32,252,65,100,6,32,128,139,8,33,1,0,130,21,32,253,72,155,44,73,255,20,32,128,71,67,8,81,243,39,67,15,20,74,191,23,68,121, - 27,32,1,66,150,6,32,254,79,19,11,131,214,32,128,130,215,37,2,0,128,253,0,128,136,5,65,220,24,147,212,130,210,33,0,24,72,219,42,84,255,13,67,119,16,69,245,19,72,225,19,65,3,15,69,93, - 19,131,55,132,178,71,115,14,81,228,6,142,245,33,253,0,132,43,172,252,65,16,11,75,219,8,65,219,31,66,223,24,75,223,10,33,29,1,80,243,10,66,175,8,131,110,134,203,133,172,130,16,70,30, - 7,164,183,130,163,32,20,65,171,48,65,163,36,65,143,23,65,151,19,65,147,13,65,134,17,133,17,130,216,67,114,5,164,217,65,137,12,72,147,48,79,71,19,74,169,22,80,251,8,65,173,7,66,157, - 15,74,173,15,32,254,65,170,8,71,186,45,72,131,6,77,143,40,187,195,152,179,65,123,38,68,215,57,68,179,15,65,85,7,69,187,14,32,21,66,95,15,67,19,25,32,1,83,223,6,32,2,76,240,7,77,166, - 43,65,8,5,130,206,32,0,67,39,54,143,167,66,255,19,82,193,11,151,47,85,171,5,67,27,17,132,160,69,172,11,69,184,56,66,95,6,33,12,1,130,237,32,2,68,179,27,68,175,16,80,135,15,72,55,7, - 71,87,12,73,3,12,132,12,66,75,32,76,215,5,169,139,147,135,148,139,81,12,12,81,185,36,75,251,7,65,23,27,76,215,9,87,165,12,65,209,15,72,157,7,65,245,31,32,128,71,128,6,32,1,82,125,5, - 34,0,128,254,131,169,32,254,131,187,71,180,9,132,27,32,2,88,129,44,32,0,78,47,40,65,79,23,79,171,14,32,21,71,87,8,72,15,14,65,224,33,130,139,74,27,62,93,23,7,68,31,7,75,27,7,139,15, - 74,3,7,74,23,27,65,165,11,65,177,15,67,123,5,32,1,130,221,32,252,71,96,5,74,12,12,133,244,130,25,34,1,0,128,130,2,139,8,93,26,8,65,9,32,65,57,14,140,14,32,0,73,79,67,68,119,11,135, - 11,32,51,90,75,14,139,247,65,43,7,131,19,139,11,69,159,11,65,247,6,36,1,128,128,253,0,90,71,9,33,1,0,132,14,32,128,89,93,14,69,133,6,130,44,131,30,131,6,65,20,56,33,0,16,72,179,40, - 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161,0,127,0,126,0,128,0,129,0,236,0,238,0,186,14,117,110,105,99,111,100,101,35,48,120,48,48,48,49,141,14,32,50,141,14,32,51,141,14,32,52,141,14,32,53,141,14,32,54,141,14,32,55,141, - 14,32,56,141,14,32,57,141,14,32,97,141,14,32,98,141,14,32,99,141,14,32,100,141,14,32,101,141,14,32,102,140,14,33,49,48,141,14,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49, - 141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,45,49,102,6,100,101,108,101,116,101,4,69,117,114, - 111,140,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236, - 32,56,141,236,32,56,141,236,32,56,65,220,13,32,57,65,220,13,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141, - 239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,35,57,102,0,0,5,250,72,249,98,247, -}; - -static const char* GetDefaultCompressedFontDataTTF(int* out_size) -{ - *out_size = proggy_clean_ttf_compressed_size; - return (const char*)proggy_clean_ttf_compressed_data; -} -#endif // #ifndef IMGUI_DISABLE_DEFAULT_FONT - -#endif // #ifndef IMGUI_DISABLE |
