Get the additional color value multiplied into blit operations.
int SDL_GetSurfaceColorMod(SDL_Surface * surface, Uint8 * r, Uint8 * g, Uint8 * b);
|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.