emscripten/tests/sdl_image_must_prepare.c

56 строки
1.2 KiB
C

/*
* Copyright 2015 The Emscripten Authors. All rights reserved.
* Emscripten is available under two separate licenses, the MIT license and the
* University of Illinois/NCSA Open Source License. Both these licenses can be
* found in the LICENSE file.
*/
#include <stdio.h>
#include <SDL/SDL.h>
#include <SDL/SDL_image.h>
#include <assert.h>
#include <emscripten.h>
SDL_Surface* screen;
void testImage(const char* fileName, int shouldWork) {
SDL_Surface *image = IMG_Load(fileName);
if (!image)
{
printf("IMG_Load: %s\n", IMG_GetError());
assert(!shouldWork);
return;
}
assert(shouldWork);
assert(image->format->BitsPerPixel == 32);
assert(image->format->BytesPerPixel == 4);
assert(image->pitch == 4*image->w);
SDL_BlitSurface (image, NULL, screen, NULL);
SDL_FreeSurface (image);
}
void ready(const char *f) {
printf("ready!\n");
testImage("screenshot.jpg", 1);
SDL_Flip(screen);
EM_ASM({ doReftest() });
}
int main() {
SDL_Init(SDL_INIT_VIDEO);
screen = SDL_SetVideoMode(600, 450, 32, SDL_SWSURFACE);
testImage("screenshot.jpg", 0);
printf("prepare..\n");
assert(emscripten_run_preload_plugins("screenshot.jpg", ready, NULL) == 0);
return 0;
}