bmphider.h

信息隐藏!!!这个程序的功能主要是在一副位图里面嵌套信息,从而达到信息隐藏的目的.

// BMPHider.h: interface for the CBMPHider class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_BMPHIDER_H__6287D87F_F0AA_4D0C_9502_4674B639CBB5__INCLUDED_)
#define AFX_BMPHIDER_H__6287D87F_F0AA_4D0C_9502_4674B639CBB5__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include <complex>
using namespace std;
class CBMPHider  
{
public:
	CBMPHider();
	virtual ~CBMPHider();
public:
	int m_BitCount;			//位图的图像位数
	WORD * m_pWordData;
	CPalette m_Palette;
	unsigned char *m_pDib, *m_pDibBits;
	unsigned char *m_pOldDibShow;
	DWORD m_dwDibSize;
	BITMAPINFOHEADER *m_pBIH;
	RGBQUAD *m_pPalette;
	int m_nPaletteEntries;
	UINT bitmap_size;
	UINT embfile_size;
	unsigned char *p;		//指向宿主图像数据
	int tag;				//此tag用以标记打开的图像中是否含有隐藏信息0：无 else：有
	unsigned char *q;		//指向隐藏文件数据
	unsigned char *m_pFile;
public:
	BOOL Draw( CDC *pDC, int nX = -1, int nY = -1, int nWidth = -1, int nHeight = -1, int Style = 1);
	BOOL Save( const char *pszFilename );
	BOOL Load( const char * );
	
	void BackUpDib();		//备份图像
	void Pick();			//提取图像
	void Embed();			//嵌入图像
	BOOL LoadEmbFile(const char *);
	BOOL DrawContrast(CDC *pDC,int rect_width, int rect_height);
	void SavePicked( const char *pszFilename );	

};

#endif // !defined(AFX_BMPHIDER_H__6287D87F_F0AA_4D0C_9502_4674B639CBB5__INCLUDED_)