- flip-surface surface flip-x? flip-y?procedure
- flip-surface* surface flip-x? flip-y?procedure
Return a copy of the given surface flipped on the X (horizontal) and/or Y (vertical) axes.
The new surface will have an equivalent pixel format, color key, blend mode, alpha mod, and color mod as the given surface. If the given surface has a palette, the new surface will share the same palette. The new surface will have no clip rect.
Signals an exception of kind (exn sdl2) if an error occurs.
- flip-surface returns a managed sdl2:surface.
- flip-surface* returns an unmanaged sdl2:surface, which must be freed with free-surface! when you are done with it.