65 строки
1.4 KiB
C
65 строки
1.4 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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SDL_Renderer *renderer;
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int testImage(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 == 32);
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assert(image->format->BytesPerPixel == 4);
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assert(image->pitch == 4*image->w);
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int result = image->w;
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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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return result;
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}
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void ready(const char *f) {
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printf("ready!\n");
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testImage("screenshot.jpg"); // relative path
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SDL_RenderPresent(renderer);
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EM_ASM({ doReftest() });
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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_CreateWindowAndRenderer(600, 450, 0, &window, &renderer);
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printf("rename..\n");
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rename("screenshot.not", "screenshot.jpg");
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printf("prepare..\n");
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assert(emscripten_run_preload_plugins("screenshot.jpg", ready, NULL) == 0);
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return 0;
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}
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