embed.h

一个实用的水印加密解密程序

#if !defined(AFX_EMBED_H__08FC68A8_8311_4C93_9219_A8F4F648F4DE__INCLUDED_)
#define AFX_EMBED_H__08FC68A8_8311_4C93_9219_A8F4F648F4DE__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// Embed.h : header file
//
#include "Dib.h"
/////////////////////////////////////////////////////////////////////////////
// CEmbed dialog

class CEmbed : public CDialog
{
// Construction
public:
	CEmbed(CWnd* pParent = NULL);   // standard constructor

// Dialog Data
	//{{AFX_DATA(CEmbed)
	enum { IDD = IDD_EMBED_DIALOG };
	int		m_encrypt;
	//}}AFX_DATA


// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CEmbed)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
	public:
		void SetImagePixel(CDC *pdc,int x_start,int y_start,int height,int width,RGBQUAD **m_imagedata,float m,float n);//点亮水印后的图像m,n控制缩放比例
		void ShowText(CString s,RECT re,CEdit *edit);
	    void Encrypt();
protected:
	    void  LSB_watermarking(int i,int j,BYTE a,BYTE b,BYTE c);//将C高四位给A低四位，低四位给B低四位,i,j是像素点坐标
		RGBQUAD **m_ImageData;
		RGBQUAD **m_WaterImageData;
		RGBQUAD **m_WaterEmbedData;
		RGBQUAD **m_WaterEncryptData;
        void GetImageData();//把图像转换成数据存储
		void GetWaterImageData();//把水印图像转换成数据存储
		CString ImageFilename;
		CString WaterImageFilename;
		CString str1,str2;//显示位图长宽
	//	CString watername;
        RECT rect[3];
		BITMAP bm[3];
		HBITMAP hBitmap[3];
		HDC hSrcDC[3];
		HDC hDesDC[3];
		BOOL show[3];
		CWnd *m_hwnd[3];
		CDib *m_dib,*m_dib1;
		long ImageHeight;
		long ImageWidth;
		long WaterImageHeight;
		long WaterImageWidth;
		CEdit *m_edit1,*m_edit2;
		RECT r,r1;
		int biBitCount,biBitCount1;
		int num;//没有被0填充像素点数 
		int a11,a12,a21,a22;
		int T,N;
		BOOL flag;//是否点了加密按钮
	// Generated message map functions
	//{{AFX_MSG(CEmbed)
	afx_msg void OnOpenImage();
	afx_msg void OnTimer(UINT nIDEvent);
	afx_msg void OnOpenWaterImage();
	afx_msg void OnClearAll();
	afx_msg void OnEmbedWaterImage();
	afx_msg void OnSaveWaterMarking();
	afx_msg void OnSecret();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_EMBED_H__08FC68A8_8311_4C93_9219_A8F4F648F4DE__INCLUDED_)