图片显示

开发平台：

Visual C++

DlgHistogram.h：源码内容

							#if !defined(AFX_DLGHISTOGRAM_H__B123ADD1_A5C7_4AD6_B481_362746BBD5A6__INCLUDED_)
#define AFX_DLGHISTOGRAM_H__B123ADD1_A5C7_4AD6_B481_362746BBD5A6__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// DlgHistogram.h : header file
//
#include "dibapi.h"
#include "importsbtnst.h"
/////////////////////////////////////////////////////////////////////////////
// CDlgHistogram dialog
class CDlgHistogram : public CDialog
{
private:
	CButtonST m_btOK;
protected:
	const HDIB m_hDIB;
	int		m_iHistogram[256];
	int		m_iRed[256];
	int		m_iGreen[256];
	int		m_iBlue[256];
	int		m_iColors;
	int		m_iPixels;
	double	m_dMean;
	double	m_dStdDev;
	int		m_iMin;
	int		m_iMax;
	double	m_dShang;
	CRect	m_rcHist;
	BYTE	m_iStart;
	BYTE	m_iEnd;
	
// Construction
public:
	CDlgHistogram(HDIB hDIB, CWnd* pParent = NULL);
// Dialog Data
	//{{AFX_DATA(CDlgHistogram)
	enum { IDD = IDD_HISTOGRAM };
		// NOTE: the ClassWizard will add data members here
	//}}AFX_DATA
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CDlgHistogram)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL
// Implementation
protected:
	void DrawHistogram(CDC *pDC);
	// Generated message map functions
	//{{AFX_MSG(CDlgHistogram)
	afx_msg void OnPaint();
	virtual BOOL OnInitDialog();
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	afx_msg HBRUSH OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
private:
	CDlgHistogram(CWnd* pParent = NULL);   // standard constructor
};
//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.
#endif // !defined(AFX_DLGHISTOGRAM_H__B123ADD1_A5C7_4AD6_B481_362746BBD5A6__INCLUDED_)

						