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effbot / pil-2009-raclette http://effbot.org/zone/pil-index.htm

Work repository for PIL 1.1.7 and beyond. The "default" branch should be fairly solid, the other branches less so. For production use, see the pil-117 repository.

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pil-117-20090317
pil-117a1-20090317
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/*
 * The Python Imaging Library
 * $Id: Quant.h 2134 2004-10-06 08:55:20Z fredrik $
 *
 * image quantizer
 *
 * Written by Toby J Sargeant <tjs@longford.cs.monash.edu.au>.
 *
 * See the README file for information on usage and redistribution.
 */

#ifndef __QUANT_H__
#define __QUANT_H__

typedef union {
   struct {
      unsigned char r,g,b,a;
   } c;
   struct {
      unsigned char v[4];
   } a;
   unsigned long v;
} Pixel;

int quantize(Pixel *,
             unsigned long,
             unsigned long,
             Pixel **,
             unsigned long *,
             unsigned long **,
             int);

int quantize2(Pixel *,
             unsigned long,
             unsigned long,
             Pixel **,
             unsigned long *,
             unsigned long **,
             int);
#endif