You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
ugui/text_rendering/ren.h

54 lines
1.1 KiB

#ifndef _RENDERER_H
#define _RENDERER_H
#include <SDL2/SDL.h>
#define DEFAULT_FONT "./monospace.ttf"
#define FONT_VERSHADER "./font_vertshader.glsl"
#define FONT_FRAGSHADER "./font_fragshader.glsl"
#define BOX_VERSHADER "./box_vertshader.glsl"
#define BOX_FRAGSHADER "./box_fragshader.glsl"
#define REN_VERTEX_IDX 0
#define REN_UV_IDX 1
#define REN_COLOR_IDX 2
#define REN_TABSIZE 8
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;
vec4_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_set_scissor(int x, int y, int w, int h);
int ren_get_text_box(const char *str, int *rw, int *rh, int size);
int ren_render_text(const char *str, int x, int y, int w, int h, int size);
int ren_render_box(int x, int y, int w, int h, unsigned int color);
int ren_clear(void);
#endif