SDL_SetSurfaceColorMod(3)

SDL_SetSurfaceColorMod(3) SDL3 FUNCTIONS SDL_SetSurfaceColorMod(3)

NAME

SDL_SetSurfaceColorMod - Set an additional color value multiplied into blit operations.

SYNOPSIS

#include <SDL3/SDL_surface.h>
bool SDL_SetSurfaceColorMod(SDL_Surface *surface, Uint8 r, Uint8 g, Uint8 b);

DESCRIPTION

When this surface is blitted, during the blit operation each source color channel is modulated by the appropriate color value according to the following formula:

srcC = srcC * (color / 255)

FUNCTION PARAMETERS

surface
the SDL_Surface structure to update.
r
the red color value multiplied into blit operations.
g
the green color value multiplied into blit operations.
b
the blue color value multiplied into blit operations.

RETURN VALUE

Returns true on success or false on failure; call SDL_GetError() for more information.

THREAD SAFETY

This function can be called on different threads with different surfaces.

AVAILABILITY

This function is available since SDL 3.2.0.

SEE ALSO

SDL_GetSurfaceColorMod(3), SDL_SetSurfaceAlphaMod(3)

SDL 3.4.12 Simple Directmedia Layer