support for stb-image

1 files changed, 49 insertions, 0 deletions

diff --git a/tests/sdl_stb_image.c b/tests/sdl_stb_image.c
new file mode 100644
index 00000000..6d39cb8e
--- /dev/null
+++ b/tests/sdl_stb_image.c
@@ -0,0 +1,49 @@
+#include <stdio.h>
+#include <SDL/SDL.h>
+#include <SDL/SDL_image.h>
+#include <assert.h>
+#include <emscripten.h>
+
+SDL_Surface* screen;
+
+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_BlitSurface (image, NULL, screen, NULL);
+  SDL_FreeSurface (image);
+
+  return result;
+}
+
+void ready() {
+  printf("ready!\n");
+
+  testImage("screenshot.jpg"); // relative path
+
+  SDL_Flip(screen);
+}
+
+int main() {
+  SDL_Init(SDL_INIT_VIDEO);
+  screen = SDL_SetVideoMode(600, 450, 32, SDL_SWSURFACE);
+
+  printf("rename..\n");
+
+  rename("screenshot.not", "screenshot.jpg");
+
+  printf("decode..\n");
+
+  ready();
+
+  return 0;
+}
+