//////////////////////////////////////////////////////////////////////////////
//文件: 格式转换类
//主要功能: 
//		转换CGM格式
//
//程序编写:		2006-8-09
//
//
/////////////////////////////////////////////////////////////////////////////


#if !defined(AFX_DFCGM_H__34E7F6BD_0033_4DFC_96B8_1E5AAC63A161__INCLUDED_)
#define AFX_DFCGM_H__34E7F6BD_0033_4DFC_96B8_1E5AAC63A161__INCLUDED_

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

#include <map>
#include <list>
using namespace std;

#include ".\otherformat.h"
#include "DrawOperator\curveex.h"

namespace NFormatReader
{

namespace NCgmReader
{

#define CMDSIZE		16
#define ENUMSIZE	16
#define	BYTESIZE	8

typedef struct cgm_color
{
	double			red;
	double			green;
	double			blue;
}CGMCOL;
typedef struct cgm_scale
{
	int				mode;
	double			scaling;
}CGMSCALE;

typedef struct cgm_pic_des
{
	CGMSCALE		scaleMode;
	int				colourMode;
	int				lineWidthMode;
	int				markerSizeMode;
	int				edgeWidthMode;

	CPoint2D		vdcMax;
	CPoint2D		vdcMin;

	long			backGroundColour;

}CGMPICDES;

typedef struct cgm_device_viewport_des
{
	CPoint2D		firstConer;
	CPoint2D		secondConer;

	int				specificationMode;
	double			metricScaleFactor;

	int				isotropy;
	int				horizontal;
	int				vertical;
}CGMDEVICEVIEWPORTDES;

typedef struct cgm_real_prec
{
	int				fixed;		//浮点=0；定点=1
	int				exp;
	int				fract;
}CGMREALPREC;
typedef struct cgm_metafile_des
{
	int				version;	//版本号

	int				vdcType;	//设备坐标0=integer or 1=real, default: integer
	CGMREALPREC		realPrec;	//实数精度
	int				intPrec;	//整数精度
	int				idxPrec;	//索引精度
	int				colPrec;	//颜色值精度
	int				colIdxPrec;	//颜色索引精度

	int				charCoding;	//字符编码：0 basic 7-bit，1 basic 8-bit，2 extended 7-bit，3 extended 8-bit
	int				colModel;	//颜色模型，1=RGB,2=CIELAB,3=CIELUV,4=CMYK,5=RGB-related
	int				maxColIdx;	//最大索引值
	CGMCOL			min_cco;	//颜色范围最小值
	CGMCOL			max_cco;	//颜色范围最大值
}CGMMFDES;
typedef struct cgm_control_des
{
	int				vdcIntPrec;		//VDC整数精度
	CGMREALPREC		vdcRealPrec;	//VDC实数精度

	long			auxColour;
	int				transparency;
	CPoint2D		clipMax;
	CPoint2D		clipMin;
	int				clipIndictor;
	int				lineClipMode;
	int				markerClipMode;
	int				edgeClipMode;
	int				textPathMode;

	int				cellTrans;			//CELL是否打开透明颜色，0＝OFF，1＝ON
	long			cellTransColour;	//CELL透明颜色值
}CGMCTRLDES;
typedef struct cgm_marker_attrib
{
	int				markerBoundIdx;
	int				markerType;
	double			markerWidth;
	long			markerColour;				
}CGMMARKERATRB;
typedef struct cgm_text_aligen
{
	int				horizontal;		//0=normal horizontal;1=left;2=center;3=right;4=continuous horizontal
	int				vertical;		//0=normal vertical;1=top;2=cap;3=half;4=base;5=bottom;6=continuous vertical
	double			continueHor;	//continuous horizontal alignment
	double			continueVer;	//continuous vertical alignment
}CGMTEXTALIGEN;
typedef struct cgm_text_attrib
{
	int				textBoundIdx;
	int				textFontIdx;
	int				textPrec;
	double			charExpensionFactor;
	double			spacing;
	long			textColour;
	double			charHeight;
	CPoint2D		orientationMin;	//从原点到x1,y1点为开始边 原点到(x2,y2)为结束边的夹角
	CPoint2D		orientationMax;
	int				textPath;		//0=right;1=left;2=up;3=down;
	CGMTEXTALIGEN	textAligen;	
	int				charSetIdx;
	int				alertCharSetIdx;
}CGMTEXTATRB;
typedef struct	cgm_fill_attrib
{
	int				fillBountIdx;
	int				interiorStyle;	//0=hollow, 1=solid, 2=pattern, 3=hatch, 4=empty, 5=geometric pattern, 6=interpolated
	long			fillColour;
	int				hatchIndex;
	int				patternIndex;
}CGMFILLATRB;
typedef struct cgm_edge_attrib
{
	int				edgeBoundIdx;
	int				edgeType;
	double			edgeWidth;
	long			edgeColour;
	int				edgeVisibility;
}CGMEDGEATRB;

typedef struct	cgm_colour_table
{
	int				index;
	long			rgb;
}CGMCOLOURTABLE;

typedef struct cgm_pline_attrib
{
	int				lineBoundIdx;
	int				lineType;		//1=solid,2=dash,3=dot,4=dash-dot,5=dash-dot-dot
	double			lineWidth;
	long			lineColour;				
}CGMPLINEATRB;

typedef struct cgm_seismic
{
	CPoint2D arv[4];	// 0=starting X position in VDC coordinates
						// 1=baseline vector
						// 2=amplitude vector
						// 3=trace step vector
	long     val;
	float basesc;	/* base line scale factor	*/
	float  ampsc;	/* amplitude scale factor	*/
	float trstep;	/* trace step scale factor	*/
	float baseof;	/* baseline offset(VA offset)*/
	float mxclip;	/* positive clipping limit	*/
	float mnclip;	/* negative clipping limit	*/
	long  fillType;	/* seismic fill type		*/

	//0=16 bit signed integers
	//1=32 bit signed integers
	//2=IEEE floating point
	//3=8 bit signed integers
	//4=multiplexed 16 bit integer sample and color indices
	//5=multiplexed 8 bit integer sample and color indices
	long sampleType;/* data sample type			*/

	long   nsamp;	/* number of samples		*/
	float mxcell;	/* positive background fill boundary		*/
	float mncell;	/* negative background fill boundary	*/
	long   ival;
	long  wigmod;	/* wiggle trace modulus		*/
	long   nullc;	/* the null color index		*/
	long  ntrloc;	/* number of traces per location*/
	long nullSample;

	int colMaxIndex;
	int colMinIndex;//颜色的最大最小索引号
}CGMSEISMIC;

typedef struct cgm_pattern
{
	long index;
	long width;
	long height;
	long *pattern;
}CGMPATTERN;
typedef struct cgm_pattern_size
{
	long xheight;
	long yheight;
	long xwidth;
	long ywidth;
}CGMPATTERNSIZE;
typedef struct cgm_pattern_table
{
	long index;
	CString name;	//模板符号名称
}CGMPATTERNTABLE;

typedef list<CGMCOLOURTABLE> COLTABLIST;
typedef list<CGMPATTERNTABLE> PATTERNLIST;

class CCgm : public COtherFormat
{
public:
	CCgm();
	virtual ~CCgm();

public:
	BOOL Drive(BOOL bDefaultsReplacement=FALSE);
	BOOL Read(CFile& fr);
	BOOL Read(LPCTSTR lpszPathName);
	void RemoveAll(void);
	BOOL IsEmpty(unsigned char* pBuffer);
	CGMSCALE GetScale(void);	//获得图件的显示比例

protected:
	double	GetLineWidth(void);
	CString GetPlineTypeString(void);	//获得当前曲线的类型，用作类别名称分类

	void	ELE_Polyline();
	void	ELE_Rectangle();
	void	ELE_Polygon();
	void	ELE_PolygonSet(void);
	void	ELE_CellArray(void);
	void	ELE_DisPolyline();
	void	ELE_AppendText();
	void	ELE_RestrictedText();
	void	ELE_Text();
	void	ELE_PolyMarker();
	void	ELE_BitonalTile(void);
	void	ELE_Tile(void);
	void	ELE_GetGDP();

	void	ELE_Circle();
	void	ELE_CircleArc3Point();
	void	ELE_CircleArc3PointClose();
	void	ELE_CircleArcCenter();
	void	ELE_CircleArcCenterClose();
	void	ELE_Ellipse();
	void	ELE_EllipseArc();
	void	ELE_EllipseArcClose();
	void	ELE_CircleArcCenterReversed();
	void	ELE_PolySymbol();

	void	ELE_ConnectingEdge();
	void	ELE_HyperbolicArc();
	void	ELE_ParabolicArc();
	void	ELE_NonUniform_BSpline();
	void	ELE_NonUniform_Rational_BSpline();

	void	ELE_PolyBezier();

	CArray<float*, float*> m_arrSection;
	CArray<COLORREF*, COLORREF*> m_arrSectionCol;
	void ELE_GetGDP_AddSection(void);
	void ELE_GetGDP_SeismicHead(unsigned char** dat_ptr);//地震剖面头信息
	void ELE_GetGDP_SeismicTrace(unsigned char** dat_ptr);//地震道数据(仅一道数据)

	//PIP Seismic Format
	BOOL ELE_GetPIP_EscapeSeismic(int esc_id, unsigned char** dat_ptr);
	BOOL ELE_GetPIP_EscapeWell(int esc_id, unsigned char** dat_ptr);
	void ELE_GetPIP_GdpSeismicTrace(unsigned char** dat_ptr);//地震道数据(仅一道数据)

	void	GetElementList(void);
	int		ReadToBuffer(int len);

	void	CoorExchange(double &x, double &y);
	void	CoorExchange(CPoint2D& point);

private:
	CFile*			m_pFile;
	CGMMFDES		m_mfdes;
	CGMPICDES		m_picdes;
	CGMCTRLDES		m_ctrldes;
	CGMDEVICEVIEWPORTDES	m_deviceViewport;

	CGMTEXTATRB		m_textAtrb;
	CGMFILLATRB		m_fillAtrb;
	CGMEDGEATRB		m_edgeAtrb;
	CGMPLINEATRB	m_plineAtrb;
	CGMMARKERATRB	m_markerAtrb;
	CGMSEISMIC		m_seismicAtrb;

	unsigned char * m_pBuffer;	//存放读取数据缓冲区

	int				m_Class;	//类别
	int				m_Element;	//元素
	int				m_length;	//读取数据长度
	long			m_ard_read;
	int				m_nDefaultsReplacement;	//仅在类型（1，12）中启用，为了使该调用读到该长度时终止并返回

	COLTABLIST		m_colTab;	//颜色列表（索引查询）
	PATTERNLIST		m_patTab;	//模板列表（索引查询）
	CGMPATTERNSIZE	m_patSize;

private:
	CString			FindPattern(int nPalIndex);
	long			GetIndexColor(int nColIndex);
	void			GetRealPrec(CGMREALPREC &r_prec);
	long			GetColour	(int colourMode=-1, unsigned char** pBuffer=NULL);
	void			GetColourExtent();
	long			GetDirectColour(unsigned char ** dat_ptr);
	void			GetColourTable();
	void			GetCGMTextAlign(CGMTEXTALIGEN & aligen);
	double			GetVDC(unsigned char **dat_ptr);
	double			GetVDC();
	int				GetOnePointSize();
	void			GetTwoPoint(CPoint2D &pt1,CPoint2D & pt2);
	int				GetPointListOne(CPointList& pl, unsigned char ** dat_ptr, int jumpLength=0);
	int				GetPointListAll(CPointList& pl, unsigned char ** dat_ptr);
	UINT			GetTextAligen(void);	//获得文字的对齐方式
	void			GetScaleMode();
	//double			ReadLineWidth();
	//double			ReadMarkerSize();
	//double			ReadEdgeWidth();
	double			ReadSize(int nType);

	void			GetPatternSize();
	void			GetPattern();
	void*			CreateImageWithPattern(CGMPATTERN& pat);
	void			SetCurrentPatternFill(CString patName);
	
	int				_ID		(unsigned short  k,short i1,short i2);
	void			swap	(unsigned char * dat_ptr, int len=2);			//高低位转换
	void			splitCmd(unsigned char * dat_ptr);						//分离命令
	int				get_int	(unsigned char * dat_ptr, int precision);		//读取有符号整数
	unsigned int	get_uint(unsigned char * dat_ptr, int precision);		//读取无符号整数
	double			get_fixed(unsigned char* dat_ptr, CGMREALPREC *r_prec);	//读取定点实数
	double			get_float(unsigned char* dat_ptr, CGMREALPREC *r_prec);	//读取浮点实数
	double			get_sdre(unsigned char* dat_ptr, int nType, int* pByteLength);

	BOOL			DriveCommand();
	BOOL			DriveMoreCommand();

	BOOL			ReadMoreData();
	int				m_nHasMoreData;					//如果为1说明元素还有连续的数据没有读取，如果为0则表示结束
	void			SkipParameters(void);			//为了跳过需要连续读取（如曲线、CELL等）的元素

	CString			GetString	();
	CString			GetString	(unsigned char **dat_ptr);
	int				GetEnum		();
	int				GetEnum		(unsigned char ** dat_ptr);
	int				GetIndex	();
	int				GetIndex	(unsigned char** pBuffer);
	int				GetColIndex (unsigned char** pBuffer=NULL);
	int				GetSignInt	();
	int				GetSignInt	(unsigned char ** dat_ptr);
	int				GetSignInt	(unsigned char ** dat_ptr, int intPrec);
	unsigned int	GetUnsignInt();	
	unsigned int	GetUnsignInt(unsigned char ** dat_ptr);	
	unsigned int	GetUnsignInt(unsigned char ** dat_ptr, int intPrec);
	unsigned int	GetCCO		(unsigned char ** dat_ptr);
	unsigned int	GetCCO		(unsigned char ** dat_ptr, int precision);
	double			GetReal		();
	double			GetReal		(unsigned char ** dat_ptr);
	CPoint2D	*	GetPoint	(unsigned char ** dat_ptr);
	int				GetVDCInt	(unsigned char ** dat_ptr);
	double			GetVDCReal	(unsigned char ** dat_ptr);
	double			GetSdre		(unsigned char ** dat_ptr, int nType);

	void GetSeismicTraceCurve(unsigned char** dat_ptr);//地震道数据(仅一道数据)
	void SeismicTraceWiggleRight(void* pCurve, double x0);	//右变面积
	void SeismicTraceWiggleLeft(void* pCurve, double x0);	//左变面积

	BOOL			Class0();
	BOOL			Class1();
	BOOL			Class2();
	BOOL			Class3();
	BOOL			Class4();
	BOOL			Class5();
	BOOL			Class6();
	BOOL			Class7();
	BOOL			Class8();
	BOOL			Class9();
};

};

};
using namespace NCgmReader;

#endif // !defined(AFX_DFCGM_H__34E7F6BD_0033_4DFC_96B8_1E5AAC63A161__INCLUDED_)