diff options
Diffstat (limited to 'tests/sdl_rotozoom.c')
-rw-r--r-- | tests/sdl_rotozoom.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/tests/sdl_rotozoom.c b/tests/sdl_rotozoom.c index b3970f6c..e81258d9 100644 --- a/tests/sdl_rotozoom.c +++ b/tests/sdl_rotozoom.c @@ -6,15 +6,18 @@ #include "emscripten.h" #endif +const int numSprites = 8; SDL_Surface *screen; -SDL_Surface *sprite[6]; +SDL_Surface *sprite[numSprites]; void mainloop() { int i; + int row = 0; SDL_Rect rect = { 0, 0, 100, 100 }; - for (i = 0; i < 6; i++) { + for (i = 0; i < numSprites; i++) { rect.x = i & 1 ? 200 : 0; - rect.y = i & 2 ? 200 : 0; + rect.y = row * 200; + row += i & 1; SDL_BlitSurface(sprite[i], 0, screen, &rect); SDL_UpdateRect(screen, 0, 0, 0, 0); } @@ -23,20 +26,27 @@ void mainloop() { int main(int argc, char **argv) { SDL_Init(SDL_INIT_VIDEO); - screen = SDL_SetVideoMode(400, 400, 32, SDL_SWSURFACE); + const int width = 400; + const int height = 200 * (numSprites + 1) / 2; + screen = SDL_SetVideoMode(width, height, 32, SDL_SWSURFACE); + SDL_Rect rect = { 0, 0, width, height }; + SDL_FillRect(screen, &rect, SDL_MapRGBA(screen->format, 0, 0, 0, 0xff)); - sprite[0] = IMG_Load("example.png"); + sprite[0] = IMG_Load("screenshot.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); sprite[4] = rotozoomSurface(sprite[0], -20, 0.3, SMOOTHING_ON); sprite[5] = rotozoomSurface(sprite[1], 45, 0.5, SMOOTHING_ON); + sprite[6] = zoomSurface(sprite[0], -0.5, 0.5, SMOOTHING_ON); + sprite[7] = zoomSurface(sprite[0], -0.5, -0.5, SMOOTHING_ON); mainloop(); #ifndef EMSCRIPTEN SDL_Event evt; + SDL_SaveBMP(screen, "native_output.bmp"); while (1) { if (SDL_PollEvent(&evt) != 0 && evt.type == SDL_QUIT) break; //mainloop(); |