//////////////////////////////////////////////////////////////////////////////
//文件 CgmDC.h
//主要功能: 
//
//程序编写:		2005-12-07
/////////////////////////////////////////////////////////////////////////////

#pragma once
#include "FormatDC.h"
#include "cgm.h"
#include "../Section.h"
#include "../Mesh.h"
#include "../InsertDraw.h"

namespace NFormatWriter
{

/* define the data structure this program will use to determine which elements to exercise	*/
class CCgmParameter
{
public:
	CCgmParameter(void);

	long	colorspec;			/* color specification		*/
	long	which_color_prec;	/* color precision			*/
	long	font_list;			/* font list				*/
	long	intpre;				/* the integer precision	*/
	long	polymarker;			/* draw some polymarkers	*/
	long	markertype;			/* polymarker type			*/
	long	markersize;			/* polymarker size			*/
	long	markercolor;		/* polymarker color			*/
	long	interior;			/* interior style			*/
	long	linetype;			/* line types				*/
	long	linewidth;			/* line thickness			*/
	long	textheight;			/* the text height			*/
	long	textpath;			/* the text path			*/
	long	bwcolor;			/* a black/white color table*/
};
#define MAXSIZE		4096 //防止溢出,曲线最大节点个数不能超过此数

class CCgmDC :
	public CFormatDC
{
public:
	typedef struct	cgm_colour_table
	{
		int		index;
		long	rgb;
	}CGMCOLOURTABLE;

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

	virtual void Initial(void);		//写CGM版本及打开文件写等
	virtual int  OutFront(void);
	virtual int  OutEnd(void);
	virtual CSize GetOutputSize(double cx, double cy);
	virtual void  SetMapSize(CSize sz)	{ m_mapSize = sz; }

	//virtual void Draw(CInsertDraw& m_insert);
	//virtual void MoveTo(double x, double y);
	//virtual void LineTo(double x, double y);
	// virtual void PolyLine(CCurveEx& curve, bool bDirectOut = false);
	virtual void PolyLine(CPointList& dp);
	virtual void SetPixel(double x, double y, COLORREF col);
	virtual void Ellipse(double x1, double y1, double x2, double y2);
	virtual void PaintRgn(LPPOINT sp, int count);
	virtual void Draw(CSection& section,CRect8* rect=NULL);
	virtual void Draw(CText& text, CCurveEx& curve);
	virtual void DrawOutlineChar(LPTTPOLYGONHEADER lpph, long cbTotal, CPoint scrpt, BOOL bFill);
	virtual void DrawOutlineChar(COutlineFromBitmap& ofb, CPoint scrpt, BOOL bFill);
	virtual void Draw(CMesh &mesh);
	virtual void Draw(CImageInsert& image);
	virtual void FillSolidRect(CRect8& rect, COLORREF color);
	virtual void Draw(CEllipse &elp,COLORREF Color);
	virtual void Draw(CInsertDraw& m_insert);
	virtual void Draw(CInsertOld& m_insert);

	void WriteImageToSolidCurve(CImageInsert& image);
	void WriteImage(CImageInsert& image);
	void operator=(CCgmDC& dc);

	virtual CSize8 GetFontSize(CSize8 sz);

	virtual void SelectClipRgn(CPointList* pPointList, int nMode=RGN_AND);	//导出CGM或EPS等文件时,仅是为了填充符号时的边界剪辑问题

	float		cgmGetScreenWidth8(double dw);
	float		cgmGetScreenHeight8(double dw);
	CPoint		cgmGetScreen(double x, double y);
	CPoint		cgmGetScreen(const CPoint2D& pt);
	CPoint2D	cgmGetScreen8(double x, double y);
	CRect8		cgmGetScreen8(CRect8& rect);
	int			cgm_y(int y);
	double		cgm_y(double y);
	void		ScreenToCGM(long& x, long& y);
	void		ScreenToCGM(double& x, double& y);

	void		WriteCgmSeismic(CSection& section);
	void		WriteTrace(CSection& section, CGMSEISMIC& ses);
	virtual void DrawScreenCurve(void* pScreenCurve, BOOL bSolid);

	CCgmParameter m_cgmPar;

	char m_title[50];		// CGM title
	char m_descrp[50];		// CGM description
	CSize m_mapSize;
	CArray<CGMCOLOURTABLE, CGMCOLOURTABLE> m_arrColTab;	//颜色索引表

	int WriteCgmColor(COLORREF col, int nColMode);	//如果是索引方式时,返回的是该颜色的索引号
	int WriteCgmColor(COLORREF col, int nColMode, int colorspec);

	//void SetFileName(CString strFileName);

private:
	//CPoint2D m_curMoveToPoint;
	static CCgmDC* m_pForWrite;
	static void	CgmWrite(const void* pst, long len);
};

};