symbian-qemu-0.9.1-12/libsdl-trunk/docs/man3/SDL_GetGammaRamp.3
author Faisal Memon <faisal.memon@nokia.com>
Fri, 26 Mar 2010 15:45:51 +0000
changeset 69 c9d64fb26f98
parent 1 2fb8b9db1c86
permissions -rw-r--r--
Test program updated to create a blank background surface of the appropriate type. This program needs to be improved by loading a real YUV image so that the algorithm can be confirmed.
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.TH "SDL_GetGammaRamp" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference" 
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.SH "NAME"
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SDL_GetGammaRamp \- Gets the color gamma lookup tables for the display
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.SH "SYNOPSIS"
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.PP
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\fB#include "SDL\&.h"
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.sp
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\fBint \fBSDL_GetGammaRamp\fP\fR(\fBUint16 *redtable, Uint16 *greentable, Uint16 *bluetable\fR);
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.SH "DESCRIPTION"
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.PP
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Gets the gamma translation lookup tables currently used by the display\&. Each table is an array of 256 Uint16 values\&.
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.PP
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Not all display hardware is able to change gamma\&.
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.SH "RETURN VALUE"
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.PP
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Returns -1 on error\&.
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.SH "SEE ALSO"
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.PP
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\fISDL_SetGamma\fR \fISDL_SetGammaRamp\fR
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...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01