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I can't even

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Alessandro Mauri 2023-02-19 23:40:58 +01:00
parent 805f633af0
commit dcce0ed11b
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GPG key ID: 2B7BF9531FF03BE8
11 changed files with 611 additions and 165 deletions
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35
text_rendering/main.c
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@ -1,33 +1,30 @@
#include <stdlib.h>
#include <stdio.h>
#include <grapheme.h>
#include "cache.h"
#include "font.h"
#include "ren.h"
#include "util.h"
int main(void)
{
int err;
struct font_atlas *at = font_init();
err = font_load(at, "./monospace.ttf");
ERROR(err, -1, printf("failed to load font\n"));
const char *s = "ciao mamma";
const struct font_glyph *g;
size_t ret, off;
uint_least32_t cp;
for (off = 0; (ret = grapheme_decode_utf8(s+off, SIZE_MAX, &cp)) > 0 && cp != 0; off += ret) {
printf("%.*s (%d) -> %d\n", (int)ret, s+off, (int)ret, cp);
g = font_get_glyph_texture(at, cp);
if (!g)
printf("g is NULL\n");
SDL_Window *win = SDL_CreateWindow(
"test render",
SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,
500,
500,
SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE);
if (ren_init(win)) {
printf("renderer init error: %s\n", ren_strerror());
return 1;
}
font_dump(at, "./atlas.png");
ren_render_text("ciao mamma", 100, 100, 100, 100, 12);
SDL_GL_SwapWindow(win);
font_free(at);
while(1);
ren_free();
SDL_DestroyWindow(win);
return 0;
}