Get the additional color value multiplied into blit operations.
Defined in SDL_surface.h
surface | the SDL_Surface structure to query |
r | a pointer filled in with the current red color value |
g | a pointer filled in with the current green color value |
b | a pointer filled in with the current blue color value |
Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.
This function is available since SDL 2.0.0.