colorbar.h

一个复杂的画图系统

/*
** file name: ColorBar.h
*/

#if !defined(AFX_COLORBAR_H__86EB2B05_60E2_11D2_B57D_0020AF15448E__INCLUDED_)
#define AFX_COLORBAR_H__86EB2B05_60E2_11D2_B57D_0020AF15448E__INCLUDED_

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


#include "globals.h"

#define BLOCKWIDTH		20
#define BLOCKHEIGHT		20


/////////////////////////////////////////////////////////////////////////////
// CMainDialogBar dialog
class CColorBar : public CDialogBar
{
	//Attributes
private:
	unsigned int 	m_curColor; //The current foreground color
	PALETTEENTRY	m_colorArr[20];	
						//the 20 colors in the color bar
	CRect			m_drawRect;
	CRect			m_colorRect;
	CRect			m_repaintRect;
	
	//Functions
public:
	void	DrawConvexBorder(CPaintDC *dc, RECT *rect);
    void	DrawConcaveBorder(CPaintDC *dc, RECT *rect); 
    void	DrawConvexLine(CPaintDC *dc, RECT *rect) ;
    void	ComputeRect();

	// Construction
public:
	CColorBar(CWnd* pParent = NULL);   // standard constructor

// Dialog Data
	//{{AFX_DATA(CMainDialogBar)
	enum { IDD = IDD_COLORBAR };
	//}}AFX_DATA


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

	// Generated message map functions
	//{{AFX_MSG(CMainDialogBar)
	afx_msg void OnPaint();
	afx_msg void OnLButtonDblClk(UINT nFlags, CPoint point);
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Developer Studio will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_COLORBAR_H__86EB2B05_60E2_11D2_B57D_0020AF15448E__INCLUDED_)