1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
#include <SDL2/SDL_error.h>
#include <SDL2/SDL_render.h>
#include <SDL2/SDL_image.h>
#include "font.h"
extern SDL_Renderer *renderer;
static SDL_Texture *font_tex = NULL;
int font_init(const char *path)
{
if ((font_tex = IMG_LoadTexture(renderer, path)) == NULL)
return 1;
return 0;
}
void font_deinit(void)
{
if (font_tex != NULL) {
SDL_DestroyTexture(font_tex);
font_tex = NULL;
}
}
void font_draw(int x, int y, const char *s)
{
for (; *s != '\0'; s++) {
const char c = toupper(*s);
const int ix = c % 16 * FONT_W;
const int iy = c / 16 * FONT_H;
const SDL_Rect src = { ix, iy, FONT_W, FONT_H };
const SDL_Rect dest = { x, y, FONT_W, FONT_H };
if (SDL_RenderCopy(renderer, font_tex, &src, &dest))
fprintf(stderr, "%s\n", SDL_GetError());
x += FONT_W;
}
}
void font_set_color(int r, int g, int b, int a)
{
if (SDL_SetTextureColorMod(font_tex, r, g, b))
fprintf(stderr, "%s\n", SDL_GetError());
if (SDL_SetTextureAlphaMod(font_tex, a))
fprintf(stderr, "%s\n", SDL_GetError());
}
|
