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annotate docs/man3/SDL_GetGammaRamp.3 @ 1163:96ef83467667

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Prevent division-by-zero in WarpMouse if surface's pitch is zero (a GL surface?).
author Ryan C. Gordon <icculus@icculus.org>
date Sun, 30 Oct 2005 05:45:46 +0000
parents e5bc29de3f0a
children 546f7c1eb755
rev   line source
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1 .TH "SDL_GetGammaRamp" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference"
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2 .SH "NAME"
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3 SDL_GetGammaRamp\- Gets the color gamma lookup tables for the display
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4 .SH "SYNOPSIS"
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5 .PP
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6 \fB#include "SDL\&.h"
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7 .sp
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8 \fBint \fBSDL_GetGammaRamp\fP\fR(\fBUint16 *redtable, Uint16 *greentable, Uint16 *bluetable\fR);
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9 .SH "DESCRIPTION"
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10 .PP
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11 Gets the gamma translation lookup tables currently used by the display\&. Each table is an array of 256 Uint16 values\&.
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12 .PP
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13 Not all display hardware is able to change gamma\&.
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14 .SH "RETURN VALUE"
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15 .PP
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16 Returns -1 on error\&.
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17 .SH "SEE ALSO"
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18 .PP
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19 \fISDL_SetGamma\fR \fISDL_SetGammaRamp\fR
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20 ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01