formatddbdata.h

visual c++数字图像与图形处理中的光盘内容

/////////////////////////////////////////////////////////////////////////////////
//	
// FormatDdbData.h: interface for the CFormatDdbData class.
//
////////////////////////////////////////////////////////////////////////////////
// 版权所有(2000)
// Copyright(2000)
// 编写者: 向世明
// Author: Xiang Shiming


#ifndef _CFMTDDBDATA_H
#define _CFMTDDBDATA_H

class CFormatDdbData  : public CObject
{
public:
	CFormatDdbData();
	virtual ~CFormatDdbData();

public:
	int GetNearestColorIndex(BYTE byRed,  BYTE byGreen,  BYTE byBlue,  PALETTEENTRY* pPalEntry);
	BOOL CreateIdentityPalette(LOGPALETTE* pLogPalRsc, CPalette* pPalette);

	void Format32To8(LPBYTE lpbySrcBits32,  int nScanWidth,  int nScanHeight,  LPBYTE lpbyDstBits8, CPalette *pPalette);
	void Format32To16(LPBYTE lpbySrcBits32,  int nScanWidth,  int nScanHeight,  LPBYTE lpbyDstBits16);
	void Format32To24(LPBYTE lpbypSrcBits32,  int nScanWidth, int nScanHeight, LPBYTE lpbyDstBits24);

	void Format24To8(LPBYTE lpbySrcBits24,  int nScanWidth,  int nScanHeight,  LPBYTE lpbyDstBits8, CPalette *pPalette);
	void Format24To32(LPBYTE lpbySrcBits24,  int nScanWidth,  int nScanHeight,  LPBYTE lpbyDstBits32);
	void Format24To16(LPBYTE lpbypSrcBits24,  int nScanWidth, int nScanHeight, LPBYTE lpbyDstBits16);

protected:
	void Remap(DWORD dwCount, LPBYTE pBits8, LOGPALETTE* pLogPalRsc, CPalette* pIdentityPal);
	void QuantizeColor(LPBYTE pDdbBits24, int nScanWidth, int nScanHeight, LPBYTE pBits8, LOGPALETTE* pLogPalette);

	WORD PutRGB16(BYTE byRed, BYTE byGreen, BYTE byBlue);
	DWORD GetDdbWidthBytes(int nWidth,  BYTE byBitCount);
};

#endif //