裁剪dlg.h

关于裁剪的算法,

// 裁剪Dlg.h : header file
//

#if !defined(AFX_DLG_H__BE852DB5_A0A9_4DC6_A10F_6D35796C1BDE__INCLUDED_)
#define AFX_DLG_H__BE852DB5_A0A9_4DC6_A10F_6D35796C1BDE__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

/////////////////////////////////////////////////////////////////////////////
// CMyDlg dialog

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

// Dialog Data
	//{{AFX_DATA(CMyDlg)
	enum { IDD = IDD_MY_DIALOG };
		// NOTE: the ClassWizard will add data members here
	//}}AFX_DATA

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

// Implementation
protected:
	int code(int x,int y);

	HICON m_hIcon;
	CDC pic;//图片

	int top,but;//
	int lef,rig;//矩形

	int lxb,lyb;
	int lxe,lye;//直线坐标

	BOOL ldb;//左键是否按下。
	int step;//步骤

	// Generated message map functions
	//{{AFX_MSG(CMyDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void OnButton4();
	afx_msg void OnButton1();
	afx_msg void OnButton2();
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg void OnButton3();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

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

#endif // !defined(AFX_DLG_H__BE852DB5_A0A9_4DC6_A10F_6D35796C1BDE__INCLUDED_)