| 18 | #endif |
| 19 | |
| 20 | int testImage(SDL_Renderer* renderer, const char* fileName) { |
| 21 | SDL_Surface *image = IMG_Load(fileName); |
| 22 | if (!image) |
| 23 | { |
| 24 | printf("IMG_Load: %s\n", IMG_GetError()); |
| 25 | return 0; |
| 26 | } |
| 27 | assert(image->format->BitsPerPixel == BITSPERPIXEL); |
| 28 | assert(image->format->BytesPerPixel == BITSPERPIXEL / 8); |
| 29 | assert(image->pitch == BITSPERPIXEL / 8 * image->w); |
| 30 | int result = image->w; |
| 31 | |
| 32 | #ifndef NO_PRELOADED |
| 33 | int w, h; |
| 34 | char *data = emscripten_get_preloaded_image_data(fileName, &w, &h); |
| 35 | |
| 36 | assert(data); |
| 37 | assert(w == image->w); |
| 38 | assert(h == image->h); |
| 39 | #endif |
| 40 | |
| 41 | SDL_Texture *tex = SDL_CreateTextureFromSurface(renderer, image); |
| 42 | |
| 43 | SDL_RenderCopy (renderer, tex, NULL, NULL); |
| 44 | |
| 45 | SDL_DestroyTexture (tex); |
| 46 | |
| 47 | SDL_FreeSurface (image); |
| 48 | |
| 49 | #ifndef NO_PRELOADED |
| 50 | free(data); |
| 51 | #endif |
| 52 | |
| 53 | return result; |
| 54 | } |
| 55 | |
| 56 | int main() { |
| 57 | SDL_Init(SDL_INIT_VIDEO); |