blob: 2ab38a4f100f38921d7a16a74d3f2892ac5f098e [file] [log] [blame]
/*
* Copyright 2018 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(void *arg, const char *fileName) {
printf("ready! %s (%d)\n", fileName, (int)arg);
static int first = 1;
static const char *seenName;
static void *seenArg;
if (first) {
first = 0;
seenName = fileName;
seenArg = arg;
} else {
printf("%s ? %s == %d\n", fileName, seenName, strcmp(fileName, seenName));
assert(strcmp(fileName, seenName)); // different names
assert(seenArg != arg); // different args
testImage(seenName);
free((void*)seenName); // As the API docs say, we are responsible for freeing the 'fake' names we are given
SDL_RenderPresent(renderer);
EM_ASM({ doReftest() });
}
}
int main() {
SDL_Init(SDL_INIT_VIDEO);
SDL_Window *window;
SDL_CreateWindowAndRenderer(600, 450, 0, &window, &renderer);
printf("prepare..\n");
#define SIZE 203164
FILE *f = fopen("screenshot.not", "rb");
char *buffer = malloc(SIZE);
fread(buffer, SIZE, 1, f);
fclose(f);
emscripten_run_preload_plugins_data(buffer, SIZE, "jpg", (void*)25, ready, NULL);
emscripten_run_preload_plugins_data(buffer, SIZE, "jpg", (void*)33, ready, NULL); // twice to see different filenames
return 0;
}