1 files changed, 90 insertions, 0 deletions
diff --git a/project-base/src/render.h b/project-base/src/render.h
new file mode 100644
index 0000000..02f10d4
--- /dev/null
+++ b/project-base/src/render.h
@@ -0,0 +1,90 @@
+/* 
+*  BSD 2-Clause “Simplified” License
+*  Copyright (c) 2019, Aldrik Ramaekers, aldrik.ramaekers@protonmail.com
+*  All rights reserved.
+*/
+
+#ifndef INCLUDE_RENDER
+#define INCLUDE_RENDER
+
+typedef struct t_color {
+	u8 r;
+	u8 g;
+	u8 b;
+	u8 a;
+} color;
+
+typedef struct t_vec4
+{
+	s32 x;
+	s32 y;
+	s32 w;
+	s32 h;
+} vec4;
+
+typedef struct t_render_target
+{
+	s32 x;
+	s32 y;
+	s32 w;
+	s32 h;
+	
+	s32 offset_x;
+	s32 offset_y;
+} render_target;
+
+typedef enum t_triangle_direction
+{
+	TRIANGLE_DOWN,
+	TRIANGLE_UP,
+	TRIANGLE_LEFT,
+	TRIANGLE_RIGHT,
+} triangle_direction;
+
+typedef enum t_render_driver_id
+{
+	DRIVER_NONE,
+	DRIVER_GL,
+	DRIVER_CPU,
+} render_driver_id;
+
+typedef struct t_render_driver
+{
+	char*	name;
+	void 	(*set_render_depth)(s32 depth);
+	void 	(*render_clear)(platform_window *window, color tint);
+	void 	(*render_image)(image *image, s32 x, s32 y, s32 width, s32 height);
+	void 	(*render_image_tint)(image *image, s32 x, s32 y, s32 width, s32 height, color tint);
+	s32 	(*render_text)(font *font, s32 x, s32 y, char *text, color tint);
+	s32 	(*render_text_ellipsed)(font *font, s32 x, s32 y, s32 maxw, char *text, color tint);
+	s32 	(*render_text_cutoff)(font *font, s32 x, s32 y, char *text, color tint, u16 cutoff_width);
+	s32 	(*render_text_with_cursor)(font *font, s32 x, s32 y, char *text, color tint, s32 cursor_pos);
+	s32 	(*render_text_with_selection)(font *font, s32 x, s32 y, char *text, color tint, s32 selection_start, s32 selection_length);
+	s32 	(*calculate_cursor_position)(font *font, char *text, s32 click_x);
+	s32 	(*calculate_text_width)(font *font, char *text);
+	s32 	(*calculate_text_width_upto)(font *font, char *text, s32 index);
+	s32 	(*calculate_text_width_from_upto)(font *font, char *text, s32 from, s32 index);
+	void 	(*render_rectangle)(s32 x, s32 y, s32 width, s32 height, color tint);
+	void 	(*render_line)(s32 x1, s32 y1, s32 x2, s32 y2, float thickness, color tint);
+	void 	(*render_rectangle_outline)(s32 x, s32 y, s32 width, s32 height, u16 outline_w, color tint);
+	void 	(*render_triangle)(s32 x, s32 y, s32 w, s32 h, color tint, triangle_direction dir);
+	void 	(*render_set_scissor)(platform_window *window, s32 x, s32 y, s32 w, s32 h);
+	vec4 	(*render_get_scissor)();
+	void 	(*render_reset_scissor)();
+	void 	(*render_set_rotation)(float32 rotation);
+	void	(*render_reset_rotation)(float32 rotation, float32 x, float32 y);
+	void 	(*render_arc)(float x1, float y1, float x2, float y2, float radius, bool arcDirection, bool useBiggerArc, color c, float thickness);
+	s32 	(*render_text_rd)(font *font, s32 x, s32 y, char *text, color tint, u16 target_h);
+	void	(*render_rounded_rectangle)(float x, float y, float width, float height, color color, float radius, int innerPad);
+} render_driver;
+
+// Current driver
+render_driver* renderer = 0;
+
+render_driver_id current_render_driver();
+void set_render_driver(render_driver_id driver);
+
+#define rgb(r_,g_,b_) (color){ r_, g_, b_, 255 }
+#define rgba(r_,g_,b_,a_) (color){r_,g_,b_,a_}
+
+#endif
+\ No newline at end of file