picbutton.h

K-均值聚类算法 vc++图形演示程序

#pragma once
#include "stdafx.h"

// PicButton 图片按钮

class PicButton : public CButton
{
	DECLARE_DYNAMIC(PicButton)
protected:
	// 按钮的状态
	BOOL m_bOver;		// 鼠标位于按钮之上时该值为true，反之为flase
	BOOL m_bTracking;	// 在鼠标按下没有释放时该值为true
	BOOL m_bSelected;	// 按钮被按下是该值为true

	// 按钮图素
	CBitmap m_imgNormal;
	CBitmap m_imgOver;
	CBitmap m_imgSelected;

public:
	PicButton();
	virtual ~PicButton();

protected:
	DECLARE_MESSAGE_MAP()
public:
	// 载入图片
	void LoadImages(UINT nIDnormal, UINT nIDover, UINT nIDseleted);
	virtual void DrawItem(LPDRAWITEMSTRUCT /*lpDrawItemStruct*/);
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg LRESULT OnMouseLeave(WPARAM wParam, LPARAM lParam);
	afx_msg LRESULT OnMouseHover(WPARAM wParam, LPARAM lParam);
	afx_msg BOOL OnEraseBkgnd(CDC* pDC);
protected:
	virtual void PreSubclassWindow();
public:
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
public:
	afx_msg void OnLButtonDblClk(UINT nFlags, CPoint point);
};