www.pudn.com > rt_demo.rar > Graphics.h

#if !defined(__GRAPHICS_H__) 
#define __GRAPHICS_H__ 
 
#include  
 
#define  PiV     3.14159265358979324                        
#define  ConstV  180 
 
////////////////////////////////////////////////////////////////////////////////// 
////// class CGraphics 
class CGraphics 
{ 
public: 
	CGraphics(); 
	~CGraphics() {if (m_Bitmap) ::DeleteObject(m_Bitmap); } 
 
	enum   CTextAlign	{ LEFT = 0, CENTER = 1, RIGHT = 2, TOP = 0, BOTTOM = 2 }; 
	enum   CMarkerType	{ CROSS, XCROSS, STAR, CIRCLE, TRIANGLE, DIAMOND,  
						  SQUARE, FCIRCLE, FTRIANGLE, FDIAMOND, FSQUARE }; 
 
	// Operations 
	void SetRatio(double xmin = 0, double ymin = 0, double xmax = 1, double ymax = 1); 
	void SetPrintScale(HDC& hDC, RECT& rect); 
	void RecalcRects(RECT& rt); 
	void BeginDraw(HDC hDC); 
	void EndDraw(HDC hDC); 
 
	void SetBackColor(COLORREF cr)				{ m_nBackColor = cr; } 
	COLORREF GetBackColor()						{ return m_nBackColor; } 
	void SetGridColor(COLORREF cr)				{ m_nGridColor = cr; } 
	COLORREF GetGridColor()						{ return m_nGridColor; } 
	void SetBorderColor(COLORREF cr)			{ m_nBorderColor = cr; } 
	COLORREF GetBorderColor()					{ return m_nBorderColor; } 
	void SetTickColor(COLORREF cr)				{ m_nTickColor = cr; } 
	COLORREF GetTickColor()						{ return m_nTickColor; } 
	void SetTitleColor(COLORREF cr)				{ m_nTitleColor = cr; } 
	COLORREF GetTitleColor()					{ return m_nTitleColor; } 
	HDC GetHDC()								{ return m_hDC; } 
 
	void SetXNumOfTicks(int x = 50)				{ XTicks = x; } 
	void SetYNumOfTicks(int y = 50)				{ YTicks = y; } 
	void SetXNumOfGridTicks(int x = 10)			{ XGridTicks = x; } 
	void SetYNumOfGridTicks(int y = 10)			{ YGridTicks = y; } 
	void SetXDecimal(int decimal)				{ m_nXDecimal = decimal; } 
	int  GetXDecimal()							{ return m_nXDecimal; } 
	void SetYDecimal(int decimal)				{ m_nYDecimal = decimal; } 
	int  GetYDecimal()							{ return m_nYDecimal; } 
	void SetStringAlign(int x, int y)			{ m_StrAlign.HAlign = x; m_StrAlign.VAlign = y; } 
	void SetFontName(const char* FontName)		{ strcpy(m_LogFont.lfFaceName, FontName); } 
 
	void EnableLegend(bool bFlag = true)		{ m_bEnableLegend = bFlag; } 
	void EnableLegendShadow(bool bFlag = true)	{ m_bLegendShadow = bFlag; } 
	void EnableMemoryDraw(bool bFlag = false)	{ m_bMemoryDraw = bFlag; } 
	 
	void DrawBoundary(COLORREF cr, int size); 
	void DrawShadow(int n); 
	void Title(const char* Title, int Pos = TOP); 
	void XAxisTitle(const char* Title, int Pos = BOTTOM); 
	void YAxisTitle(const char* Title, int Pos = LEFT); 
	void Axes(); 
	 
	virtual bool SetRange(double xmin, double ymin, double xmax, double ymax) = 0; 
	virtual void XAxis(); 
	virtual void YAxis(); 
	virtual void Grid(); 
 
	RECT		m_PlotRect; 
	bool		m_bMemoryDraw; 
	bool		m_bPrinting; 
	int			m_nPrintScale; 
	COLORREF	crTable[16]; 
 
protected: 
	enum   CAxesType	{ XY, XLOG, YLOG, XYLOG	}; 
	struct CScale		{ double dx, dy, xmin, ymin, xmax, ymax; }; 
	struct CRatio		{ double xmin, ymin, xmax, ymax; }; 
	struct StringAlign	{ int HAlign, VAlign; }; 
 
	CScale		m_Scale; 
	CRatio		m_Ratio; 
	LOGFONT		m_LogFont; 
	COLORREF	m_nBackColor; 
	COLORREF	m_nGridColor; 
	COLORREF	m_nBorderColor; 
	COLORREF	m_nTickColor; 
	COLORREF	m_nTitleColor; 
	HFONT		m_Font;		 
	SIZE		m_Size; 
	StringAlign m_StrAlign; 
	int			m_nXDecimal; 
	int			m_nYDecimal; 
	bool		m_bEnableLegend; 
	bool		m_bLegendShadow; 
	int			m_nAxesType; 
	int			m_nXStep; 
	int			m_nYStep; 
 
	int			m_lM;	// left margin 
	int			m_tM;	// right margin 
	int			m_rM;	// top margin 
	int			m_bM;	// bottom margin 
 
	RECT		m_Rect; 
	RECT		m_ClipBox; 
	RECT		m_ClientRect; 
	HDC			m_hDC;	 
	POINT		m_Pt; 
 
	HBITMAP		m_Bitmap; 
	HBITMAP		m_OldBitmap; 
 
	int GL, GR, GT, GB, PX, PY; 
	int XTicks, YTicks, XGridTicks, YGridTicks; 
 
	virtual void Legend(COLORREF cr, int Index, const char* Name); 
	void GetPixelRect(RECT& rt); 
	void SetPixelRect(RECT rt); 
	void DrawBkGround(); 
	void DrawCircle(int x, int y, int radius); 
	void DrawFilledCircle(int x, int y, int radius); 
	void DrawRectangle(int x1, int y1, int x2, int y2); 
	void DrawMarker(int x, int y, int mode, int size = 6); 
	void Format(int decimal, char* str, float value); 
	void PrintString(int x, int y, int theta, const char* fmt); 
	void Ticks(); 
	void RightYTick(); 
	 
	void DrawLine(int x1, int y1, int x2, int y2)			{ ::MoveToEx(m_hDC, x1, y1, NULL); ::LineTo(m_hDC, x2, y2); } 
	void DrawLine(POINT& pt1, POINT& pt2)					{ DrawLine(pt1.x, pt1.y, pt2.x, pt2.y); } 
	void DrawCircle(POINT& pt, int radius)					{ DrawCircle(pt.x, pt.y, radius); } 
	void DrawFilledCircle(POINT& pt, int radius)			{ DrawFilledCircle(pt.x, pt.y, radius); } 
	void DrawRectangle(POINT& pt1, POINT& pt2)				{ DrawRectangle(pt1.x, pt1.y, pt2.x, pt2.y); } 
	void DrawMarker(POINT& pt, int mode, int size = 6)		{ DrawMarker(pt.x, pt.y, mode, size); } 
	void PrintString(POINT& pt, int theta, const char* fmt)	{ PrintString(pt.x, pt.y, theta, fmt); } 
}; 
 
#endif