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.TH SDL_SetSurfaceColorMod 3 "SDL 3.1.0" "SDL" "SDL3 FUNCTIONS"
.SH NAME
SDL_SetSurfaceColorMod \- Set an additional color value multiplied into blit operations\[char46]
.SH SYNOPSIS
.nf
.B #include \(dqSDL3/SDL.h\(dq
.PP
.BI "int SDL_SetSurfaceColorMod(SDL_Surface *surface, Uint8 r, Uint8 g, Uint8 b);
.fi
.SH 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:
.BR srcC = srcC * (color / 255)

.SH FUNCTION PARAMETERS
.TP
.I surface
the 
.BR SDL_Surface
 structure to update
.TP
.I r
the red color value multiplied into blit operations
.TP
.I g
the green color value multiplied into blit operations
.TP
.I b
the blue color value multiplied into blit operations
.SH RETURN VALUE
Returns 0 on success or a negative error code on failure; call

.BR SDL_GetError
() for more information\[char46]

.SH AVAILABILITY
This function is available since SDL 3\[char46]0\[char46]0\[char46]

.SH SEE ALSO
.BR SDL_GetSurfaceColorMod (3),
.BR SDL_SetSurfaceAlphaMod (3)