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ugui/text_rendering/ren.h

48 lines
806 B

2 years ago
#ifndef _RENDERER_H
#define _RENDERER_H
#include <SDL2/SDL.h>
#define FONT_PATH "./monospace.ttf"
#define FONT_VERSHADER "./font_vertshader.glsl"
#define FONT_FRAGSHADER "./font_fragshader.glsl"
#define REN_VERTEX_IDX 0
#define REN_UV_IDX 1
#define REN_COLOR_IDX 2
typedef struct {
union { int x, u; };
union { int y, v; };
} vec2_i;
typedef struct {
union { int x, r; };
union { int y, g; };
union { int z, b; };
union { int w, a; };
} vec4_i;
// textured vertex
struct v_text {
vec2_i pos;
vec2_i uv;
};
// colored vertex
struct v_col {
vec2_i pos;
vec2_i col;
};
int ren_init(SDL_Window *sdl_window);
int ren_free(void);
const char * ren_strerror(void);
int ren_update_viewport(int w, int h);
int ren_render_text(const char *str, int x, int y, int w, int h, int size);
#endif