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CentOS 7.0 - man page for sdl_getgammaramp (centos section 3)

SDL_GetGammaRamp(3)				  SDL API Reference				  SDL_GetGammaRamp(3)

NAME
SDL_GetGammaRamp - Gets the color gamma lookup tables for the display
SYNOPSIS
#include "SDL.h" int SDL_GetGammaRamp(Uint16 *redtable, Uint16 *greentable, Uint16 *bluetable);
DESCRIPTION
Gets the gamma translation lookup tables currently used by the display. Each table is an array of 256 Uint16 values. Not all display hardware is able to change gamma.
RETURN VALUE
Returns -1 on error.
SEE ALSO
SDL_SetGamma SDL_SetGammaRamp
SDL
Tue 11 Sep 2001, 23:01 SDL_GetGammaRamp(3)
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