Set the blend mode used for drawing operations (Fill and Line).
int SDL_SetRenderDrawBlendMode(SDL_Renderer * renderer,
SDL_BlendMode blendMode);
renderer |
the rendering context |
blendMode |
the SDL_BlendMode to use for blending |
Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.
If the blend mode is not supported, the closest supported mode is chosen.