Mercurial > sdl-ios-xcode
annotate docs/man3/SDL_GetRGB.3 @ 2671:c3e7c0698cbb gsoc2008_nds
some changes to the dummy driver for debug purposes that should be reverted.
most importantly, commenting out a check for an env. var.
author | Darren Alton <dalton@stevens.edu> |
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date | Thu, 12 Jun 2008 02:38:49 +0000 |
parents | 546f7c1eb755 |
children | 1238da4a7112 |
rev | line source |
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181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
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1 .TH "SDL_GetRGB" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference" |
0 | 2 .SH "NAME" |
2283
546f7c1eb755
Merged revision 3472 from SDL 1.2, fixing bug #493
Sam Lantinga <slouken@libsdl.org>
parents:
181
diff
changeset
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3 SDL_GetRGB \- Get RGB values from a pixel in the specified pixel format\&. |
0 | 4 .SH "SYNOPSIS" |
5 .PP | |
6 \fB#include "SDL\&.h" | |
7 .sp | |
8 \fBvoid \fBSDL_GetRGB\fP\fR(\fBUint32 pixel, SDL_PixelFormat *fmt, Uint8 *r, Uint8 *g, Uint8 *b\fR); | |
9 .SH "DESCRIPTION" | |
10 .PP | |
11 Get RGB component values from a pixel stored in the specified pixel format\&. | |
12 .PP | |
13 This function uses the entire 8-bit [0\&.\&.255] range when converting color components from pixel formats with less than 8-bits per RGB component (e\&.g\&., a completely white pixel in 16-bit RGB565 format would return [0xff, 0xff, 0xff] not [0xf8, 0xfc, 0xf8])\&. | |
14 .SH "SEE ALSO" | |
15 .PP | |
16 \fI\fBSDL_GetRGBA\fP\fR, \fI\fBSDL_MapRGB\fP\fR, \fI\fBSDL_MapRGBA\fP\fR, \fI\fBSDL_PixelFormat\fR\fR | |
181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
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17 ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01 |