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16 TITLE="SDL_SetPalette"
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19 TITLE="SDL_GetGammaRamp"
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40 >SDL Library Documentation</TH
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83 >SDL_SetGamma -- Sets the color gamma function for the display</DIV
85 CLASS="REFSYNOPSISDIV"
99 CLASS="FUNCSYNOPSISINFO"
100 >#include "SDL.h"</PRE
109 >(float redgamma, float greengamma, float bluegamma);</CODE
123 >Sets the "gamma function" for the display of each color component. Gamma
124 controls the brightness/contrast of colors displayed on the screen.
128 > is identity (i.e., no adjustment
131 >This function adjusts the gamma based on the "gamma function" parameter,
132 you can directly specify lookup tables for gamma adjustment with
134 HREF="sdlsetgammaramp.html"
138 >Not all display hardware is able to change gamma.</P
148 >Returns -1 on error (or if gamma adjustment is not supported).</P
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225 >SDL_GetGammaRamp</TD