84 строки
1.8 KiB
C
84 строки
1.8 KiB
C
/*
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* Copyright 2014 The Emscripten Authors. All rights reserved.
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* Emscripten is available under two separate licenses, the MIT license and the
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* University of Illinois/NCSA Open Source License. Both these licenses can be
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* found in the LICENSE file.
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*/
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#include <stdio.h>
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#include <SDL2/SDL.h>
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#include <SDL2/SDL_image.h>
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#include <assert.h>
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#include <emscripten.h>
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#include <unistd.h>
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#include <stdlib.h>
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#ifndef BITSPERPIXEL
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#define BITSPERPIXEL 32
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#endif
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int testImage(SDL_Renderer* renderer, const char* fileName) {
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SDL_Surface *image = IMG_Load(fileName);
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if (!image)
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{
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printf("IMG_Load: %s\n", IMG_GetError());
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return 0;
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}
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assert(image->format->BitsPerPixel == BITSPERPIXEL);
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assert(image->format->BytesPerPixel == BITSPERPIXEL / 8);
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assert(image->pitch == BITSPERPIXEL / 8 * image->w);
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int result = image->w;
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#ifndef NO_PRELOADED
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int w, h;
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char *data = emscripten_get_preloaded_image_data(fileName, &w, &h);
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assert(data);
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assert(w == image->w);
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assert(h == image->h);
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#endif
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SDL_Texture *tex = SDL_CreateTextureFromSurface(renderer, image);
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SDL_RenderCopy (renderer, tex, NULL, NULL);
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SDL_DestroyTexture (tex);
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SDL_FreeSurface (image);
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#ifndef NO_PRELOADED
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free(data);
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#endif
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return result;
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}
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int main() {
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SDL_Init(SDL_INIT_VIDEO);
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SDL_Window *window;
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SDL_Renderer *renderer;
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SDL_CreateWindowAndRenderer(600, 450, 0, &window, &renderer);
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int result = 0;
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result |= testImage(renderer, SCREENSHOT_DIRNAME "/" SCREENSHOT_BASENAME); // absolute path
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assert(result != 0);
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chdir(SCREENSHOT_DIRNAME);
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result = testImage(renderer, "./" SCREENSHOT_BASENAME); // relative path
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assert(result != 0);
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SDL_RenderPresent(renderer);
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printf("you should see an image.\n");
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SDL_Quit();
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REPORT_RESULT(result);
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return 0;
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}
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