colorpane.h

windows核心编程,详细讲述WINDOWS编程原理

#if !defined(AFX_COLORPANE_H__096D52CA_21DD_4F74_940D_665C486BF471__INCLUDED_)
#define AFX_COLORPANE_H__096D52CA_21DD_4F74_940D_665C486BF471__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// ColorPane.h : header file
//

/////////////////////////////////////////////////////////////////////////////
// CColorPane window

class CColorPane : public CToolBar
{
// Construction
public:
	CColorPane();

// Attributes
public:

// Operations
public:
	COLORREF GetColor() const;
	COLORREF GetPaintColor() const;
	void SetPaintColor(COLORREF color);
	COLORREF GetCanvasColor() const;

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CColorPane)
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual void SetCanvasColor(COLORREF color);
	virtual ~CColorPane();

	// Generated message map functions
protected:
	//{{AFX_MSG(CColorPane)
	afx_msg void OnPaint();
	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 void OnLButtonDblClk(UINT nFlags, CPoint point);
	//}}AFX_MSG
	afx_msg void OnColorDialog();

	DECLARE_MESSAGE_MAP()
protected:
	CRect m_rcColorBox[28];				//28 color boxes.
	int  m_nColorPicked;
	COLORREF m_clrCurrentColor;			// the current color selected.
	int PtInColorBox(POINT point); // return color box index if point is fallen in the box, 
								//	or return -1.

private:
	static COLORREF s_clrMosaic[28];
	void InitColorBox(CRect& rc);
	void DrawBigColorBox(CDC& dc, CRect& rc);
	void DrawSmallColorBoxes(CDC& dc, CRect& rc);
	void DrawASmallColorBox(CDC& dc, CRect& rc, COLORREF color);
};

/////////////////////////////////////////////////////////////////////////////

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

#endif // !defined(AFX_COLORPANE_H__096D52CA_21DD_4F74_940D_665C486BF471__INCLUDED_)