//////////////////////////////////////////////////////////////////////////////
//文件 EpsWriter.h
//主要功能: 
//		写EPS3.0格式类
//
//程序编写:		2005-12-07
/////////////////////////////////////////////////////////////////////////////

#pragma once
#include "DrawImage\ImageBase.h"

namespace NFormatWriter
{

class CEpsWriter
{
public:
	typedef struct _EpsState
	{
		COLORREF curcol;	//! current color
		COLORREF bkcurcol;
		double   linewidth;	//! current linewidth
		CString  dash;		//! current dash style
		LOGFONT m_font;		//! current font
	} EpsState;

public:
	CEpsWriter(void);
	virtual ~CEpsWriter(void);

	void WriteHeader();
	void WriteFooter();
	
	void WriteColorFill(void);
	void WriteColorString();	
	void PushState();
	void PopState();

	void SetFile(CFile* pFile);
	void SetCurrentColor(COLORREF col);
	void SetLineWidth(double width);
	void SetFont(long scale);
	void SetFont(const LOGFONT& logFont);
	void SetDefaultFontName(LPCTSTR lpszFontName);

	virtual void DrawArrow(double tailx, double taily, double tipx, double tipy, double tailthickness, double  headthickness, double headlength, bool filled =true);
	virtual void DrawArrowAbs(double tailx, double taily, double dtipx, double dtipy, double tailthickness, double  headthickness, double headlength, bool filled =true);

	void DrawImage(CImageBase* pImage, double x, double y, double cx, double cy);
	void DrawLine(double x1, double y1, double x2, double y2);
	void DrawRect(double llx, double lly, double urx, double ury, bool filled = false);
	void DrawLineStrip(int n, double* pX, double* pY, bool open = true, bool filled = false);
	void DrawStepStrip(int n, double* pX, double* pY, bool open = true, bool filled = false);

	void DrawBox(double llx, double lly, double dx, double dy, bool filled = false);
	void DrawCircle(double cx, double cy, double radius, bool filled = false);
	void DrawTriangle(double cx, double cy, double radius, bool filled = false);
	void DrawSquare(double cx, double cy, double radius, bool filled = false);
	void DrawTriangle(CPoint2D* pointThree, COLORREF* pColorThree, bool filled = false);

	void DrawBoxStrip(int n, double* pLlx, double* pLly, double dx, double dy, bool filed = false);
	void DrawCircleStrip(int n, double* pCx, double* pCy, double radius, bool filled = false);
	void DrawTriangleStrip(int n, double* pCx, double* pCy, double radius, bool filled = false);
	void DrawSquareStrip(int n, double* pCx, double* pCy, double radius, bool filled = false);

	void DrawGridHor(double llx, double urx, double lly, double ury,double dy);
	void DrawGridVer(double llx, double urx, double lly, double ury,double dx);

	void DrawText(double x, double y, const char* txt, DWORD dwAlignsH, double angle = 0);
	void DrawSurface(int nx, int ny, double llx, double lly, double dx, double dy, double* pColor);
	void DrawVectorField(int nx, int ny, double llx, double lly, double dx, double dy, double* pV, double lineWidth = 1);

	void WriteString(CString str);
	void AddComment(const char* str);

	CSize8 m_mapSize;

protected:
	void InitState();

	EpsState m_state;
	CList<EpsState,EpsState> m_listState;

	CFile* m_pFile;
	CString m_strDefaultFontName;

	int dummycnt;
	double gouraudeps;
};

};

using namespace NFormatWriter;