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/* -*- mode: C++; tab-width: 4 -*- */
/* ================================================================================== */
/* Copyright (c) 1998-1999 3Com Corporation or its subsidiaries. All rights reserved. */
/* ================================================================================== */
#ifndef __QUANTIZER_H__
#define __QUANTIZER_H__
struct NODE;
class CQuantizer
{
public:
CQuantizer (uae_u32 nMaxColors, uae_u32 nColorBits);
virtual ~CQuantizer (void);
Bool ProcessImage (/*HANDLE hImage*/ LPBITMAPINFO bm, void* bits);
uae_u32 GetColorCount (void);
void GetColorTable (RGBQUAD* prgb);
protected:
int GetLeftShiftCount (uae_u32 dwVal);
int GetRightShiftCount (uae_u32 dwVal);
void AddColor (NODE** ppNode, uae_u8 r, uae_u8 g, uae_u8 b,
uae_u32 nColorBits, uae_u32 nLevel,
uae_u32* pLeafCount, NODE** pReducibleNodes);
NODE* CreateNode (uae_u32 nLevel, uae_u32 nColorBits,
uae_u32* pLeafCount, NODE** pReducibleNodes);
void ReduceTree (uae_u32 nColorBits,
uae_u32* pLeafCount, NODE** pReducibleNodes);
void DeleteTree (NODE** ppNode);
void GetPaletteColors (NODE* pTree, RGBQUAD* prgb, uae_u32* pIndex);
protected:
NODE* m_pTree;
uae_u32 m_nLeafCount;
NODE* m_pReducibleNodes[9];
uae_u32 m_nMaxColors;
uae_u32 m_nColorBits;
};
#endif // __QUANTIZER_H__
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