SDL_SetGammaRamp man page on Aros

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SDL_SetGammaRamp(3)	       SDL API Reference	   SDL_SetGammaRamp(3)

NAME
       SDL_SetGammaRamp- Sets the color gamma lookup tables for the display

SYNOPSIS
       #include "SDL.h"

       int   SDL_SetGammaRamp(Uint16  *redtable,  Uint16  *greentable,	Uint16
       *bluetable);

DESCRIPTION
       Sets the gamma lookup tables for the display for each color  component.
       Each  table  is	an  array of 256 Uint16 values, representing a mapping
       between the input and output for that channel. The input is  the	 index
       into the array, and the output is the 16-bit gamma value at that index,
       scaled to the output color precision. You may pass NULL to any  of  the
       channels to leave them unchanged.

       This  function  adjusts	the gamma based on lookup tables, you can also
       have the gamma calculated based on a "gamma  function"  parameter  with
       SDL_SetGamma.

       Not all display hardware is able to change gamma.

RETURN VALUE
       Returns -1 on error (or if gamma adjustment is not supported).

SEE ALSO
       SDL_SetGamma SDL_GetGammaRamp

SDL			    Tue 11 Sep 2001, 23:01	   SDL_SetGammaRamp(3)
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