SDL_GetRGBA man page on Syllable

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SDL_GetRGBA(3)		       SDL API Reference		SDL_GetRGBA(3)

NAME
       SDL_GetRGBA  - Get RGBA values from a pixel in the specified pixel for‐
       mat.

SYNOPSIS
       #include "SDL.h"

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

DESCRIPTION
       Get  RGBA  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 com‐
       ponent (e.g., a completely white pixel in 16-bit	 RGB565	 format	 would
       return [0xff, 0xff, 0xff] not [0xf8, 0xfc, 0xf8]).

       If  the	surface	 has no alpha component, the alpha will be returned as
       0xff (100% opaque).

SEE ALSO
       SDL_GetRGB, SDL_MapRGB, SDL_MapRGBA, SDL_PixelFormat

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