绘制饼状图3view.h

使用VC++来显示复杂的3D饼图,一般应用数据库及数据统计领域.

// 绘制饼状图3View.h : interface of the CMy3View class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_3VIEW_H__77B674E2_4A66_43FC_97F4_3858212E670C__INCLUDED_)
#define AFX_3VIEW_H__77B674E2_4A66_43FC_97F4_3858212E670C__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
//color definitions  24种颜色
#define RED				RGB(255,0,0)
#define GREEN			RGB(0,255,0) 
#define BLUE			RGB(0,0,255)
#define YELLOW			RGB(255,255,0)
#define ORANGE			RGB(255,153,51) //橙色
#define HOT_PINK		RGB(255,51,153)  //粉红色
#define PURPLE			RGB(153,0,204)//紫色
#define CYAN			RGB(0,255,255)//蓝绿色, 青色
#define LAVENDER		RGB(199,177,255)//淡紫色的
#define PEACH			RGB(255,226,177)//桃色
#define SKY_BLUE		RGB(142,255,255)//天蓝色
#define FOREST_GREEN	RGB(0,192,0)//丛林绿色
#define BROWN			RGB(80,50,0)//褐色的, 棕色的
#define TURQUOISE		RGB(0,192,192)//青绿色
#define ROYAL_BLUE		RGB(0,0,192)//宝蓝色
#define GREY			RGB(192,192,192)//灰色
#define DARK_GREY		RGB(128,128,128)// 暗灰色
#define TAN				RGB(255,198,107)//棕褐色的, 茶色
#define DARK_BLUE		RGB(0,0,128)//暗蓝色
#define MAROON			RGB(128,0,0)//栗色
#define DUSK			RGB(255,143,107)//薄暮, 黄昏色
#define LIGHT_GREY		RGB(225,225,225)	//亮灰色//only for 3D graph lines

class CMy3View : public CView
{
protected: // create from serialization only
	CMy3View();
	DECLARE_DYNCREATE(CMy3View)

// Attributes
public:
	CMy3Doc* GetDocument();

	CUIntArray m_piearray;  //每个扇形的分割百分比，总和为100
	CStringArray m_item;    //每一项的名字，和m_piearray对齐

	int m_w; //椭圆的宽
	int m_h; //椭圆的高
	int m_B; //饼图的厚度

	int m_x;//椭圆的左上角位置x,y
	int m_y;

	COLORREF dwoncolor[21];
	COLORREF upcolor[21];

	CDC* pMemDC;             //定义内存DC指针
	CBitmap* pBitmap;        //定义内存位图指针
	                         //将在视的构造函数中构造他们的对象
	int m_nMaxX;             //屏幕大小X、Y值
	int m_nMaxY;
	


	


// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CMy3View)
	public:
	virtual void OnDraw(CDC* pDC);  // overridden to draw this view
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	protected:
	virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
	virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
	virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~CMy3View();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	void Serialize_piearray();
	int ReformatPieary();
	//{{AFX_MSG(CMy3View)
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in 绘制饼状图3View.cpp
inline CMy3Doc* CMy3View::GetDocument()
   { return (CMy3Doc*)m_pDocument; }
#endif

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

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

#endif // !defined(AFX_3VIEW_H__77B674E2_4A66_43FC_97F4_3858212E670C__INCLUDED_)