Mercurial > sdl-ios-xcode
view docs/man3/SDL_GetRGB.3 @ 129:db0bee1c5845
Applied Maxim's patch for VGL detection on FreeBSD
author | Sam Lantinga <slouken@libsdl.org> |
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date | Tue, 31 Jul 2001 04:06:56 +0000 |
parents | 55f1f1b3e27d |
children | e5bc29de3f0a |
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.TH "SDL_GetRGB" "3" "Sun 10 Jun 2001, 19:42" "SDL" "SDL API Reference" .SH "NAME" SDL_GetRGB\- Get RGB values from a pixel in the specified pixel format\&. .SH "SYNOPSIS" .PP \fB#include "SDL\&.h" .sp \fBvoid \fBSDL_GetRGB\fP\fR(\fBUint32 pixel, SDL_PixelFormat *fmt, Uint8 *r, Uint8 *g, Uint8 *b\fR); .SH "DESCRIPTION" .PP Get RGB component values from a pixel stored in the specified pixel format\&. .PP 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])\&. .SH "SEE ALSO" .PP \fI\fBSDL_GetRGBA\fP\fR, \fI\fBSDL_MapRGB\fP\fR, \fI\fBSDL_MapRGBA\fP\fR, \fI\fBSDL_PixelFormat\fR\fR ...\" created by instant / docbook-to-man, Sun 10 Jun 2001, 19:42