* * In MapInfo, an arc is defined by the coords of the MBR corners of its  * defining ellipse, which in this case is different from the arc's MBR, * and a start and end angle in degrees. * * Feature geometry can be either an OGRLineString or an OGRPoint. * * In any case, X/Y radius X/Y center, and start/end angle (in degrees  * counterclockwise) MUST be set. * * When an arc is read, the returned geometry is an OGRLineString  * representing the arc with 2 degrees line segments. *--------------------------------------------------------------------*/class TABArc: public TABFeature,               public ITABFeaturePen{  private:    double      m_dStartAngle;  // In degrees, counterclockwise,     double      m_dEndAngle;    // starting at 3 o'clock  public:             TABArc(OGRFeatureDefn *poDefnIn);    virtual ~TABArc();    virtual TABFeatureClass GetFeatureClass() { return TABFCArc; };    virtual int             ValidateMapInfoType(TABMAPFile *poMapFile = NULL);    virtual TABFeature *CloneTABFeature(OGRFeatureDefn *poNewDefn = NULL );    virtual int ReadGeometryFromMAPFile(TABMAPFile *poMapFile, TABMAPObjHdr *);    virtual int WriteGeometryToMAPFile(TABMAPFile *poMapFile, TABMAPObjHdr *);    virtual int ReadGeometryFromMIFFile(MIDDATAFile *fp);    virtual int WriteGeometryToMIFFile(MIDDATAFile *fp);    virtual const char *GetStyleString();    virtual void DumpMIF(FILE *fpOut = NULL);    double      GetStartAngle() { return m_dStartAngle; };    double      GetEndAngle()   { return m_dEndAngle; };    void        SetStartAngle(double dAngle);    void        SetEndAngle(double dAngle);    // MapInfo-specific attributes... made available through public vars    // for now.    double      m_dCenterX;    double      m_dCenterY;    double      m_dXRadius;    double      m_dYRadius;};/*--------------------------------------------------------------------- *                      class TABText * * Feature class to handle the MapInfo text types: * *     TAB_GEOM_TEXT_C         0x10 *     TAB_GEOM_TEXT           0x11 * * Feature geometry is an OGRPoint corresponding to the lower-left  * corner of the text MBR BEFORE ROTATION. *  * Text string, and box height/width (box before rotation is applied) * are required in a valid text feature and MUST be set.   * Text angle and other styles are optional. *--------------------------------------------------------------------*/class TABText: public TABFeature,                public ITABFeatureFont,               public ITABFeaturePen{  protected:    char        *m_pszString;    double      m_dAngle;    double      m_dHeight;    double      m_dWidth;    double      m_dfLineEndX;    double      m_dfLineEndY;    GBool       m_bLineEndSet;    void        UpdateTextMBR();    GInt32      m_rgbForeground;    GInt32      m_rgbBackground;    GInt16      m_nTextAlignment;       // Justification/Vert.Spacing/arrow    GInt16      m_nFontStyle;           // Bold/italic/underlined/shadow/...    const char *GetLabelStyleString();  public:             TABText(OGRFeatureDefn *poDefnIn);    virtual ~TABText();    virtual TABFeatureClass GetFeatureClass() { return TABFCText; };    virtual int             ValidateMapInfoType(TABMAPFile *poMapFile = NULL);    virtual TABFeature *CloneTABFeature(OGRFeatureDefn *poNewDefn = NULL );    virtual int ReadGeometryFromMAPFile(TABMAPFile *poMapFile, TABMAPObjHdr *);    virtual int WriteGeometryToMAPFile(TABMAPFile *poMapFile, TABMAPObjHdr *);    virtual int ReadGeometryFromMIFFile(MIDDATAFile *fp);    virtual int WriteGeometryToMIFFile(MIDDATAFile *fp);    virtual const char *GetStyleString();    virtual void DumpMIF(FILE *fpOut = NULL);    const char *GetTextString();    double      GetTextAngle();    double      GetTextBoxHeight();    double      GetTextBoxWidth();    GInt32      GetFontFGColor();    GInt32      GetFontBGColor();    void        GetTextLineEndPoint(double &dX, double &dY);    TABTextJust GetTextJustification();    TABTextSpacing  GetTextSpacing();    TABTextLineType GetTextLineType();    GBool       QueryFontStyle(TABFontStyle eStyleToQuery);    void        SetTextString(const char *pszStr);    void        SetTextAngle(double dAngle);    void        SetTextBoxHeight(double dHeight);    void        SetTextBoxWidth(double dWidth);    void        SetFontFGColor(GInt32 rgbColor);    void        SetFontBGColor(GInt32 rgbColor);    void        SetTextLineEndPoint(double dX, double dY);    void        SetTextJustification(TABTextJust eJust);    void        SetTextSpacing(TABTextSpacing eSpacing);    void        SetTextLineType(TABTextLineType eLineType);    void        ToggleFontStyle(TABFontStyle eStyleToToggle, GBool bStatus);    int         GetFontStyleMIFValue();    void        SetFontStyleMIFValue(int nStyle, GBool bBGColorSet=FALSE);    GBool       IsFontBGColorUsed();    int         GetFontStyleTABValue()           {return m_nFontStyle;};    void        SetFontStyleTABValue(int nStyle){m_nFontStyle=(GInt16)nStyle;};};/*--------------------------------------------------------------------- *                      class TABMultiPoint * * Feature class to handle MapInfo Multipoint features: * *     TAB_GEOM_MULTIPOINT_C        0x34 *     TAB_GEOM_MULTIPOINT          0x35 * * Feature geometry will be a OGRMultiPoint * * The symbol number is in the range [31..67], with 31=None and corresponds * to one of the 35 predefined "Old MapInfo Symbols" *--------------------------------------------------------------------*/class TABMultiPoint: public TABFeature,                      public ITABFeatureSymbol{  private:    // We call it center, but it's more like a label point    // Its value default to be the location of the first point    GBool       m_bCenterIsSet;    double      m_dCenterX, m_dCenterY;  public:             TABMultiPoint(OGRFeatureDefn *poDefnIn);    virtual ~TABMultiPoint();    virtual TABFeatureClass GetFeatureClass() { return TABFCMultiPoint; };    virtual int             ValidateMapInfoType(TABMAPFile *poMapFile = NULL);    virtual TABFeature *CloneTABFeature(OGRFeatureDefn *poNewDefn = NULL );    int         GetXY(int i, double &dX, double &dY);    int         GetNumPoints();    int         GetCenter(double &dX, double &dY);    void        SetCenter(double dX, double dY);    int         ReadGeometryFromMAPFile(TABMAPFile *poMapFile, TABMAPObjHdr *,                                        TABMAPCoordBlock **ppoCoordBlock);    virtual int ReadGeometryFromMAPFile(TABMAPFile *poMapFile, TABMAPObjHdr *);    virtual int WriteGeometryToMAPFile(TABMAPFile *poMapFile, TABMAPObjHdr *);    virtual int ReadGeometryFromMIFFile(MIDDATAFile *fp);    virtual int WriteGeometryToMIFFile(MIDDATAFile *fp);    virtual const char *GetStyleString();    virtual void DumpMIF(FILE *fpOut = NULL);};/*--------------------------------------------------------------------- * *                      class TABCollection * * Feature class to handle MapInfo Collection features: * *     TAB_GEOM_COLLECTION_C        0x37 *     TAB_GEOM_COLLECTION          0x38 * * Feature geometry will be a OGRCollection * * **** IMPORTANT NOTE: **** * * The current implementation does not allow setting the Geometry via * OGRFeature::SetGeometry*(). The geometries must be set via the * TABCollection::SetRegion/Pline/MpointDirectly() methods which will take * care of keeping the OGRFeature's geometry in sync. * * If we ever want to support creating collections via the OGR interface then * something should be added in TABCollection::WriteGeometryToMapFile(), or * perhaps in ValidateMapInfoType(), or even better in a custom * TABCollection::SetGeometry*()... but then this last option may not work * unless OGRFeature::SetGeometry*() are made virtual in OGR. * *--------------------------------------------------------------------*/class TABCollection: public TABFeature,                      public ITABFeatureSymbol{  private:    TABRegion       *m_poRegion;    TABPolyline     *m_poPline;    TABMultiPoint   *m_poMpoint;    void    EmptyCollection();    int     ReadLabelAndMBR(TABMAPCoordBlock *poCoordBlock, GBool bComprCoord,                            GInt32 nComprOrgX, GInt32 nComprOrgY,                            GInt32 &pnMinX, GInt32 &pnMinY,                            GInt32 &pnMaxX, GInt32 &pnMaxY,                            GInt32 &pnLabelX, GInt32 &pnLabelY );    int         WriteLabelAndMBR(TABMAPCoordBlock *poCoordBlock,                                 GBool bComprCoord,                                 GInt32 nMinX, GInt32 nMinY,                                 GInt32 nMaxX, GInt32 nMaxY,                                 GInt32 nLabelX, GInt32 nLabelY );    int         SyncOGRGeometryCollection(GBool bSyncRegion,                                          GBool bSyncPline,                                          GBool bSyncMpoint);  public:             TABCollection(OGRFeatureDefn *poDefnIn);    virtual ~TABCollection();    virtual TABFeatureClass GetFeatureClass() { return TABFCCollection; };    virtual int             ValidateMapInfoType(TABMAPFile *poMapFile = NULL);    virtual TABFeature *CloneTABFeature(OGRFeatureDefn *poNewDefn = NULL );    virtual int ReadGeometryFromMAPFile(TABMAPFile *poMapFile, TABMAPObjHdr *);    virtual int WriteGeometryToMAPFile(TABMAPFile *poMapFile, TABMAPObjHdr *);        virtual int ReadGeometryFromMIFFile(MIDDATAFile *fp);    virtual int WriteGeometryToMIFFile(MIDDATAFile *fp);    virtual const char *GetStyleString();    virtual void DumpMIF(FILE *fpOut = NULL);    TABRegion           *GetRegionRef()         {return m_poRegion; };    TABPolyline         *GetPolylineRef()       {return m_poPline; };    TABMultiPoint       *GetMultiPointRef()     {return m_poMpoint; };    int                 SetRegionDirectly(TABRegion *poRegion);    int                 SetPolylineDirectly(TABPolyline *poPline);    int                 SetMultiPointDirectly(TABMultiPoint *poMpoint);};/*--------------------------------------------------------------------- *                      class TABDebugFeature * * Feature class to use for testing purposes... this one does not  * correspond to any MapInfo type... it's just used to dump info about * feature types that are not implemented yet. *--------------------------------------------------------------------*/class TABDebugFeature: public TABFeature{  private:    GByte       m_abyBuf[512];    int         m_nSize;    int         m_nCoordDataPtr;  // -1 if none    int         m_nCoordDataSize;  public:             TABDebugFeature(OGRFeatureDefn *poDefnIn);    virtual ~TABDebugFeature();    virtual TABFeatureClass GetFeatureClass() { return TABFCDebugFeature; };    virtual int ReadGeometryFromMAPFile(TABMAPFile *poMapFile, TABMAPObjHdr *);    virtual int WriteGeometryToMAPFile(TABMAPFile *poMapFile, TABMAPObjHdr *);    virtual int ReadGeometryFromMIFFile(MIDDATAFile *fp);    virtual int WriteGeometryToMIFFile(MIDDATAFile *fp);    virtual void DumpMIF(FILE *fpOut = NULL);};/* -------------------------------------------------------------------- *//*      Some stuff related to spatial reference system handling.        *//* -------------------------------------------------------------------- */char *MITABSpatialRef2CoordSys( OGRSpatialReference * );OGRSpatialReference * MITABCoordSys2SpatialRef( const char * );GBool MITABExtractCoordSysBounds( const char * pszCoordSys,                                  double &dXMin, double &dYMin,                                  double &dXMax, double &dYMax );int MITABCoordSys2TABProjInfo(const char * pszCoordSys, TABProjInfo *psProj);typedef struct {    int         nMapInfoDatumID;    const char  *pszOGCDatumName;    int         nEllipsoid;    double      dfShiftX;    double      dfShiftY;    double      dfShiftZ;    double      dfDatumParm0; /* RotX */    double      dfDatumParm1; /* RotY */    double      dfDatumParm2; /* RotZ */    double      dfDatumParm3; /* Scale Factor */    double      dfDatumParm4; /* Prime Meridian */} MapInfoDatumInfo;typedef struct{    int         nMapInfoId;    const char *pszMapinfoName;    double      dfA; /* semi major axis in meters */    double      dfInvFlattening; /* Inverse flattening */} MapInfoSpheroidInfo;/*--------------------------------------------------------------------- * The following are used for coordsys bounds lookup *--------------------------------------------------------------------*/typedef struct{    TABProjInfo sProj;          /* Projection/datum definition */    double      dXMin;          /* Default bounds for that coordsys */    double      dYMin;    double      dXMax;    double      dYMax;} MapInfoBoundsInfo;GBool   MITABLookupCoordSysBounds(TABProjInfo *psCS,                                  double &dXMin, double &dYMin,                                  double &dXMax, double &dYMax);int     MITABLoadCoordSysTable(const char *pszFname);void    MITABFreeCoordSysTable();GBool   MITABCoordSysTableLoaded();#endif /* _MITAB_H_INCLUDED_ */