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#include <stdio.h>
#include <SDL/SDL.h>
#include <SDL/SDL_image.h>
#include <assert.h>
#include <emscripten.h>
int testImage(SDL_Surface* screen, 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_BlitSurface (image, NULL, screen, NULL);
SDL_FreeSurface (image);
return result;
}
int main() {
SDL_Init(SDL_INIT_VIDEO);
SDL_Surface *screen = SDL_SetVideoMode(600, 450, 32, SDL_SWSURFACE);
int result = 0;
result = testImage(screen, "screenshot.jpeg"); // relative path
assert(result != 0);
result |= testImage(screen, "/screenshot.jpeg"); // absolute path
assert(result != 0);
SDL_Flip(screen);
printf("you should see an image.\n");
SDL_Quit();
REPORT_RESULT();
return 0;
}
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