1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
#include <stdio.h>
#include <SDL/SDL.h>
#include <SDL/SDL_image.h>
#include <assert.h>
#include <emscripten.h>
#include <unistd.h>
#include <stdlib.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);
int w, h;
char *data = emscripten_get_preloaded_image_data(fileName, &w, &h);
assert(data);
assert(w == image->w);
assert(h == image->h);
SDL_FreeSurface (image);
free(data);
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_DIRNAME "/" SCREENSHOT_BASENAME); // absolute path
assert(result != 0);
chdir(SCREENSHOT_DIRNAME);
result = testImage(screen, "./" SCREENSHOT_BASENAME); // relative path
assert(result != 0);
SDL_Flip(screen);
printf("you should see an image.\n");
SDL_Quit();
REPORT_RESULT();
return 0;
}
|
