CentOS 7.0 - man page for sdl_getrgb (centos section 3)

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SDL_GetRGB(3)				SDL API Reference			    SDL_GetRGB(3)

NAME
       SDL_GetRGB - Get RGB values from a pixel in the specified pixel format.

SYNOPSIS
       #include "SDL.h"

       void SDL_GetRGB(Uint32 pixel, SDL_PixelFormat *fmt, Uint8 *r, Uint8 *g, Uint8 *b);

DESCRIPTION
       Get RGB component values from a pixel stored in the specified pixel format.

       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]).

SEE ALSO
       SDL_GetRGBA, SDL_MapRGB, SDL_MapRGBA, SDL_PixelFormat

SDL				      Tue 11 Sep 2001, 23:01			    SDL_GetRGB(3)
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