cat/slutpet
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extract image loading

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cat 2025-05-26 13:08:18 +10:00
parent 9ece614c73
commit 3840fb0321
5 changed files with 91 additions and 40 deletions
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43
slutpet.c
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@ -1,11 +1,10 @@
#define SDL_MAIN_USE_CALLBACKS
#define STB_IMAGE_IMPLEMENTATION
#include <SDL3/SDL.h>
#include <SDL3/SDL_main.h>
#include "stb_image.h"
#include "fns.h"
#include "dat.h"
#include "fns.h"
void
SDL_AppQuit(void *as, SDL_AppResult res)
@ -14,18 +13,7 @@ SDL_AppQuit(void *as, SDL_AppResult res)
st = as;
if (st) {
if (st->test) {
if (st->test->tex) {
babble("free test texture...");
SDL_DestroyTexture(st->test->tex);
}
if (st->test->data) {
babble("free test img data...");
SDL_free(st->test->data);
}
babble("free test img...");
SDL_free(st->test);
}
free_image(st->test);
babble("free state...");
SDL_free(st);
}
@ -71,7 +59,6 @@ SDL_AppResult
SDL_AppInit(void **as, int argc, char **argv)
{
State *st;
SDL_Surface *sur;
babble("init sdl...");
if (!SDL_Init(SDL_INIT_VIDEO)) {
@ -100,31 +87,9 @@ SDL_AppInit(void **as, int argc, char **argv)
}
babble("create test image...");
st->test = SDL_calloc(1, sizeof(Image));
st->test = load_image(st->ren, "test.png");
if (!st->test) {
fuck("mem alloc fail: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
st->test->data = stbi_load("test.png", &st->test->w, &st->test->h,
&st->test->bpp, 4);
if (!st->test->data) {
fuck("mem alloc fail: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
sur = SDL_CreateSurfaceFrom(st->test->w, st->test->h,
SDL_PIXELFORMAT_RGBA32, st->test->data,
st->test->w * 4);
if (!sur) {
fuck("surface creation fail: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
st->test->tex = SDL_CreateTextureFromSurface(st->ren, sur);
if (!st->test->tex) {
fuck("surface creation fail: %s", SDL_GetError());
SDL_DestroySurface(sur);
fuck("img creation fail: %s", SDL_GetError());
return SDL_APP_FAILURE;
}