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view docs/html/sdlgetgammaramp.html @ 4347:38f22ed3a433 SDL-1.2

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Option to fix bug #851 For some people setting the period size works better (and is what SDL 1.2.13 did), but for most people it's the same or worse. You can use an environment variable to pick which one you want.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 17 Oct 2009 06:55:17 +0000
parents 355632dca928
children
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<HTML
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><TITLE
>SDL_GetGammaRamp</TITLE
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><H1
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>SDL_GetGammaRamp</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN1598"
></A
><H2
>Name</H2
>SDL_GetGammaRamp&nbsp;--&nbsp;Gets the color gamma lookup tables for the display</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN1601"
></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
><A
NAME="AEN1602"
></A
><P
></P
><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>int <B
CLASS="FSFUNC"
>SDL_GetGammaRamp</B
></CODE
>(Uint16 *redtable, Uint16 *greentable, Uint16 *bluetable);</CODE
></P
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN1608"
></A
><H2
>Description</H2
><P
>Gets the gamma translation lookup tables currently used by the display.
Each table is an array of 256 Uint16 values.</P
><P
>Not all display hardware is able to change gamma.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN1612"
></A
><H2
>Return Value</H2
><P
>Returns -1 on error.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN1615"
></A
><H2
>See Also</H2
><P
><A
HREF="sdlsetgamma.html"
>SDL_SetGamma</A
>
<A
HREF="sdlsetgammaramp.html"
>SDL_SetGammaRamp</A
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