1 files changed, 48 insertions, 0 deletions
diff --git a/tests/sdl_rotozoom.c b/tests/sdl_rotozoom.c
new file mode 100644
index 00000000..cb6295cc
--- /dev/null
+++ b/tests/sdl_rotozoom.c
@@ -0,0 +1,48 @@
+#include "SDL/SDL.h"
+#include "SDL/SDL_image.h"
+#include "SDL/SDL_rotozoom.h"
+
+#ifdef EMSCRIPTEN
+#include "emscripten.h"
+#endif
+
+SDL_Surface *screen;
+SDL_Surface *sprite[4];
+
+void mainloop() {
+    int i;
+    SDL_Rect rect = { 0, 0, 100, 100 };
+    for (i = 0; i < 4; i++) {
+        rect.x = i & 1 ? 200 : 0;
+        rect.y = i & 2 ? 200 : 0;
+        SDL_BlitSurface(sprite[i], 0, screen, &rect);
+        SDL_UpdateRect(screen, 0, 0, 0, 0);
+    }
+}
+
+int main(int argc, char **argv) {
+    SDL_Init(SDL_INIT_VIDEO);
+
+    screen = SDL_SetVideoMode(400, 400, 32, SDL_SWSURFACE);
+
+    sprite[0] = IMG_Load("example.png");
+    sprite[1] = SDL_CreateRGBSurface(SDL_SWSURFACE, 100, 100, 32, 0xFF000000, 0xFF0000, 0xFF00, 0xFF);
+    SDL_FillRect(sprite[1], 0, 0xA0A0A0A0);
+    sprite[2] = zoomSurface(sprite[0], 0.5, 0.5, SMOOTHING_ON);
+    sprite[3] = zoomSurface(sprite[1], 0.5, 0.5, SMOOTHING_ON);
+
+    mainloop();
+
+#ifndef EMSCRIPTEN
+    SDL_Event evt;
+    while (1) {
+       if (SDL_PollEvent(&evt) != 0 && evt.type == SDL_QUIT) break;
+       //mainloop();
+       SDL_Delay(33);
+    }
+#endif
+
+    SDL_Quit();
+
+    return 1;
+}