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/*
* Copyright 2014 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 <SDL2/SDL.h>
#include <SDL2/SDL_image.h>
#include <assert.h>
#include <emscripten.h>
SDL_Renderer *renderer;
int testImage(const char* fileName) {
SDL_Surface *image = IMG_Load(fileName);
if (!image)
{
printf("IMG_Load: %s\n", IMG_GetError());
return 0;
}
assert(image->format->BitsPerPixel == 32);
assert(image->format->BytesPerPixel == 4);
assert(image->pitch == 4*image->w);
int result = image->w;
SDL_Texture *tex = SDL_CreateTextureFromSurface(renderer, image);
SDL_RenderCopy (renderer, tex, NULL, NULL);
SDL_DestroyTexture (tex);
SDL_FreeSurface (image);
return result;
}
void ready(const char *f) {
printf("ready!\n");
testImage("screenshot.jpg"); // relative path
SDL_RenderPresent(renderer);
EM_ASM({ doReftest() });
}
int main() {
SDL_Init(SDL_INIT_VIDEO);
SDL_Window *window;
SDL_CreateWindowAndRenderer(600, 450, 0, &window, &renderer);
printf("rename..\n");
rename("screenshot.not", "screenshot.jpg");
printf("prepare..\n");
assert(emscripten_run_preload_plugins("screenshot.jpg", ready, NULL) == 0);
return 0;
}
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