summaryrefslogtreecommitdiff
path: root/src/render.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/render.c')
-rw-r--r--src/render.c465
1 files changed, 0 insertions, 465 deletions
diff --git a/src/render.c b/src/render.c
deleted file mode 100644
index 666b2f9..0000000
--- a/src/render.c
+++ /dev/null
@@ -1,465 +0,0 @@
-/*
-* BSD 2-Clause “Simplified” License
-* Copyright (c) 2019, Aldrik Ramaekers, aldrik.ramaekers@protonmail.com
-* All rights reserved.
-*/
-
-inline void render_clear()
-{
- glClearColor(255/255.0, 255/255.0, 255/255.0, 1.0);
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-}
-
-inline void render_set_rotation(float32 rotation, float32 x, float32 y, s32 depth)
-{
- glRotatef(rotation, x, y, depth);
-}
-
-inline void set_render_depth(s32 depth)
-{
- render_depth = depth;
-}
-
-void render_image(image *image, s32 x, s32 y, s32 width, s32 height)
-{
- assert(image);
- if (image->loaded)
- {
- glBindTexture(GL_TEXTURE_2D, image->textureID);
- glEnable(GL_TEXTURE_2D);
- glBegin(GL_QUADS);
- glColor4f(1., 1., 1., 1.);
- glTexCoord2i(0, 0); glVertex3i(x, y, render_depth);
- glTexCoord2i(0, 1); glVertex3i(x, y+height, render_depth);
- glTexCoord2i(1, 1); glVertex3i(x+width, y+height, render_depth);
- glTexCoord2i(1, 0); glVertex3i(x+width, y, render_depth);
- glEnd();
-
- glDisable(GL_TEXTURE_2D);
- }
-}
-
-void render_image_tint(image *image, s32 x, s32 y, s32 width, s32 height, color tint)
-{
- assert(image);
- if (image->loaded)
- {
- glBindTexture(GL_TEXTURE_2D, image->textureID);
- glEnable(GL_TEXTURE_2D);
- glBegin(GL_QUADS);
- glColor4f(tint.r/255.0f, tint.g/255.0f, tint.b/255.0f, tint.a/255.0f);
- glTexCoord2i(0, 0); glVertex3i(x, y, render_depth);
- glTexCoord2i(0, 1); glVertex3i(x, y+height, render_depth);
- glTexCoord2i(1, 1); glVertex3i(x+width, y+height, render_depth);
- glTexCoord2i(1, 0); glVertex3i(x+width, y, render_depth);
- glEnd();
-
- glDisable(GL_TEXTURE_2D);
- }
-}
-
-s32 render_text_ellipsed(font *font, s32 x, s32 y, s32 maxw, char *text, color tint)
-{
- if (!font->loaded)
- return 0;
-
- glEnable(GL_TEXTURE_2D);
- glColor4f(tint.r/255.0f, tint.g/255.0f, tint.b/255.0f, tint.a/255.0f);
-
- char *ellipse = "...";
- bool in_ellipse = false;
-
- s32 x_ = x;
- utf8_int32_t ch;
- while((text = utf8codepoint(text, &ch)) && ch)
- {
- if (ch == 9) ch = 32;
- utf8_int32_t ch_next;
- utf8codepoint(text, &ch_next);
- if (ch < TEXT_CHARSET_START || ch > TEXT_CHARSET_END)
- {
- ch = 0x3f;
- }
-
- glyph g = font->glyphs[ch];
-
- glBindTexture(GL_TEXTURE_2D, g.textureID);
- glBegin(GL_QUADS);
-
- s32 width = g.width;
-
- int advance, lsb, kern;
- stbtt_GetCodepointHMetrics(&font->info, ch, &advance, &lsb);
-
- s32 y_ = y + font->px_h + g.yoff;
- s32 x_to_render = x_ + (lsb*font->scale);
-
- glTexCoord2i(0, 0); glVertex3i(x_to_render,y_, render_depth);
- glTexCoord2i(0, 1); glVertex3i(x_to_render,y_+g.height, render_depth);
- glTexCoord2i(1, 1); glVertex3i(x_to_render+g.width,y_+g.height, render_depth);
- glTexCoord2i(1, 0); glVertex3i(x_to_render+g.width,y_, render_depth);
-
- glEnd();
-
- /* add kerning */
- kern = stbtt_GetCodepointKernAdvance(&font->info, ch, ch_next);
- x_ += (advance*font->scale)+(kern*font->scale);
-
- if (!in_ellipse && (x_-x) > maxw-(font->glyphs['.'].width*3))
- {
- in_ellipse = true;
- text = ellipse;
- }
- }
-
- glDisable(GL_TEXTURE_2D);
-
- return maxw;
-}
-
-s32 render_text(font *font, s32 x, s32 y, char *text, color tint)
-{
- if (!font->loaded)
- return 0;
-
- glEnable(GL_TEXTURE_2D);
- glColor4f(tint.r/255.0f, tint.g/255.0f, tint.b/255.0f, tint.a/255.0f);
-
- s32 x_ = x;
- utf8_int32_t ch;
- while((text = utf8codepoint(text, &ch)) && ch)
- {
- if (ch == 9) ch = 32;
- utf8_int32_t ch_next;
- utf8codepoint(text, &ch_next);
- if (ch < TEXT_CHARSET_START || ch > TEXT_CHARSET_END)
- {
- ch = 0x3f;
- }
-
- glyph g = font->glyphs[ch];
-
- glBindTexture(GL_TEXTURE_2D, g.textureID);
- glBegin(GL_QUADS);
-
- s32 width = g.width;
-
- int advance, lsb, kern;
- stbtt_GetCodepointHMetrics(&font->info, ch, &advance, &lsb);
-
- s32 y_ = y + font->px_h + g.yoff;
- s32 x_to_render = x_ + (lsb*font->scale);
-
- glTexCoord2i(0, 0); glVertex3i(x_to_render,y_, render_depth);
- glTexCoord2i(0, 1); glVertex3i(x_to_render,y_+g.height, render_depth);
- glTexCoord2i(1, 1); glVertex3i(x_to_render+g.width,y_+g.height, render_depth);
- glTexCoord2i(1, 0); glVertex3i(x_to_render+g.width,y_, render_depth);
-
- glEnd();
-
- /* add kerning */
- kern = stbtt_GetCodepointKernAdvance(&font->info, ch, ch_next);
- x_ += (advance*font->scale)+(kern*font->scale);
- }
-
- glDisable(GL_TEXTURE_2D);
-
- return x_ - x;
-}
-
-s32 render_text_cutoff(font *font, s32 x, s32 y, char *text, color tint, u16 cutoff_width)
-{
- if (!font->loaded)
- return 0;
-
- glEnable(GL_TEXTURE_2D);
- glColor4f(tint.r/255.0f, tint.g/255.0f, tint.b/255.0f, tint.a/255.0f);
-
- s32 x_ = x;
- s32 y_ = y;
- bool is_new_line = false;
- utf8_int32_t ch;
- while((text = utf8codepoint(text, &ch)) && ch)
- {
- if (ch == 9) ch = 32;
- utf8_int32_t ch_next;
- utf8codepoint(text, &ch_next);
- if (ch < TEXT_CHARSET_START || ch > TEXT_CHARSET_END)
- {
- ch = 0x3f;
- }
-
- if (ch == '\n')
- {
- x_ = x;
- y_ += font->size;
- is_new_line = true;
- continue;
- }
-
- if (is_new_line && ch == ' ')
- {
- is_new_line = false;
- continue;
- }
- else if (is_new_line && ch != ' ')
- {
- is_new_line = false;
- }
-
-
- glyph g = font->glyphs[ch];
-
- glBindTexture(GL_TEXTURE_2D, g.textureID);
- glBegin(GL_QUADS);
-
- s32 width = g.width;
-
- int advance, lsb, kern;
- stbtt_GetCodepointHMetrics(&font->info, ch, &advance, &lsb);
-
- s32 y__ = y_ + font->px_h + g.yoff;
- s32 x_to_render = x_ + (lsb*font->scale);
-
- glTexCoord2i(0, 0); glVertex3i(x_to_render,y__, render_depth);
- glTexCoord2i(0, 1); glVertex3i(x_to_render,y__+g.height, render_depth);
- glTexCoord2i(1, 1); glVertex3i(x_to_render+g.width,y__+g.height, render_depth);
- glTexCoord2i(1, 0); glVertex3i(x_to_render+g.width,y__, render_depth);
-
- glEnd();
-
- /* add kerning */
- kern = stbtt_GetCodepointKernAdvance(&font->info, ch, ch_next);
- x_ += (advance*font->scale)+(kern*font->scale);
-
- if (x_ > x+cutoff_width)
- {
- x_ = x;
- y_ += font->size;
- is_new_line = true;
- }
- }
-
- glDisable(GL_TEXTURE_2D);
-
- return (y_ - y) + font->size;
-
-}
-
-s32 calculate_cursor_position(font *font, char *text, s32 click_x)
-{
- if (!font->loaded)
- return 0;
-
- s32 x = 0;
- s32 index = 0;
- utf8_int32_t ch;
- while((text = utf8codepoint(text, &ch)) && ch)
- {
- if (ch == 9) ch = 32;
- utf8_int32_t ch_next;
- utf8codepoint(text, &ch_next);
- if (ch < TEXT_CHARSET_START || ch > TEXT_CHARSET_END)
- {
- ch = 0x3f;
- }
-
-
- glyph g = font->glyphs[ch];
-
- s32 width = g.width;
- s32 width_next = font->glyphs[ch_next].width;
-
-
- int advance, lsb, kern;
- stbtt_GetCodepointHMetrics(&font->info, ch, &advance, &lsb);
-
- /* add kerning */
- kern = stbtt_GetCodepointKernAdvance(&font->info, ch, ch_next);
- x += (advance*font->scale)+(kern*font->scale);
-
- if (x - (width_next/5) > click_x)
- {
- return index;
- }
-
- ++index;
- }
-
- return index;
-}
-
-s32 calculate_text_width_from_upto(font *font, char *text, s32 from, s32 index)
-{
- if (!font->loaded)
- return 0;
-
- s32 x = 0;
- utf8_int32_t ch;
- s32 i = 0;
- while((text = utf8codepoint(text, &ch)) && ch)
- {
- if (index == i) return x;
-
- if (ch == 9) ch = 32;
- utf8_int32_t ch_next;
- utf8codepoint(text, &ch_next);
- if (ch < TEXT_CHARSET_START || ch > TEXT_CHARSET_END)
- {
- ch = 0x3f;
- }
-
- glyph g = font->glyphs[ch];
- s32 width = g.width;
-
- if (i >= from)
- {
- int advance, lsb, kern;
- stbtt_GetCodepointHMetrics(&font->info, ch, &advance, &lsb);
-
- /* add kerning */
- kern = stbtt_GetCodepointKernAdvance(&font->info, ch, ch_next);
- x += (advance*font->scale)+(kern*font->scale);
- }
-
- i++;
- }
-
- return x;
-}
-
-s32 calculate_text_width_upto(font *font, char *text, s32 index)
-{
- if (!font->loaded)
- return 0;
-
- s32 x = 0;
- utf8_int32_t ch;
- s32 i = 0;
- while((text = utf8codepoint(text, &ch)) && ch)
- {
- if (index == i) return x;
-
- if (ch == 9) ch = 32;
- utf8_int32_t ch_next;
- utf8codepoint(text, &ch_next);
- if (ch < TEXT_CHARSET_START || ch > TEXT_CHARSET_END)
- {
- ch = 0x3f;
- }
-
- glyph g = font->glyphs[ch];
- s32 width = g.width;
-
- int advance, lsb, kern;
- stbtt_GetCodepointHMetrics(&font->info, ch, &advance, &lsb);
-
- /* add kerning */
- kern = stbtt_GetCodepointKernAdvance(&font->info, ch, ch_next);
- x += (advance*font->scale)+(kern*font->scale);
-
- i++;
- }
-
- return x;
-}
-
-s32 calculate_text_width(font *font, char *text)
-{
- if (!font->loaded)
- return 0;
-
- s32 x = 0;
- utf8_int32_t ch;
- while((text = utf8codepoint(text, &ch)) && ch)
- {
- if (ch == 9) ch = 32;
- utf8_int32_t ch_next;
- utf8codepoint(text, &ch_next);
- if (ch < TEXT_CHARSET_START || ch > TEXT_CHARSET_END)
- {
- ch = 0x3f;
- }
-
- glyph g = font->glyphs[ch];
- s32 width = g.width;
-
- int advance, lsb, kern;
- stbtt_GetCodepointHMetrics(&font->info, ch, &advance, &lsb);
-
- /* add kerning */
- kern = stbtt_GetCodepointKernAdvance(&font->info, ch, ch_next);
- x += (advance*font->scale)+(kern*font->scale);
- }
-
- return x;
-}
-
-void render_triangle(s32 x, s32 y, s32 w, s32 h, color tint)
-{
- glBegin(GL_TRIANGLES);
- glColor4f(tint.r/255.0f, tint.g/255.0f, tint.b/255.0f, tint.a/255.0f);
- glVertex3i(x+(w/2), y+h, render_depth);
- glVertex3i(x, y, render_depth);
- glVertex3i(x+w, y, render_depth);
- glEnd();
-}
-
-void render_rectangle(s32 x, s32 y, s32 width, s32 height, color tint)
-{
- glBegin(GL_QUADS);
- glColor4f(tint.r/255.0f, tint.g/255.0f, tint.b/255.0f, tint.a/255.0f);
- glVertex3i(x, y, render_depth);
- glVertex3i(x, y+height, render_depth);
- glVertex3i(x+width, y+height, render_depth);
- glVertex3i(x+width, y, render_depth);
- glEnd();
-}
-
-void render_rectangle_tint(s32 x, s32 y, s32 width, s32 height, color tint[4])
-{
- glBegin(GL_QUADS);
- glColor4f(tint[0].r/255.0f, tint[0].g/255.0f, tint[0].b/255.0f, tint[0].a/255.0f);
- glVertex3i(x, y, render_depth);
- glColor4f(tint[1].r/255.0f, tint[1].g/255.0f, tint[1].b/255.0f, tint[1].a/255.0f);
- glVertex3i(x, y+height, render_depth);
- glColor4f(tint[2].r/255.0f, tint[2].g/255.0f, tint[2].b/255.0f, tint[2].a/255.0f);
- glVertex3i(x+width, y+height, render_depth);
- glColor4f(tint[3].r/255.0f, tint[3].g/255.0f, tint[3].b/255.0f, tint[3].a/255.0f);
- glVertex3i(x+width, y, render_depth);
- glEnd();
-}
-
-void render_rectangle_outline(s32 x, s32 y, s32 width, s32 height, u16 outline_w, color tint)
-{
- // left
- render_rectangle(x, y, outline_w, height, tint);
- // right
- render_rectangle(x+width-outline_w, y, outline_w, height, tint);
- // top
- render_rectangle(x+outline_w, y, width-(outline_w*2), outline_w, tint);
- // bottom
- render_rectangle(x+outline_w, y+height-outline_w, width-(outline_w*2), outline_w, tint);
-}
-
-void render_set_scissor(platform_window *window, s32 x, s32 y, s32 w, s32 h)
-{
- glEnable(GL_SCISSOR_TEST);
- glScissor(x-1, window->height-h-y-1, w+1, h+1);
-}
-
-vec4 render_get_scissor()
-{
- vec4 vec;
- glGetIntegerv(GL_SCISSOR_BOX, (GLint*)(&vec));
- vec.x += 1;
- vec.y += 1;
- vec.w -= 1;
- vec.h -= 1;
- return vec;
-}
-
-void render_reset_scissor()
-{
- glDisable(GL_SCISSOR_TEST);
-} \ No newline at end of file
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-06 12:34:17 +0000