mitab.h

GIS系统支持库Geospatial Data Abstraction Library代码.GDAL is a translator library for raster geospatial dat

    GInt32      m_nComprOrgY;

  public:
             TABFeature(OGRFeatureDefn *poDefnIn );
    virtual ~TABFeature();

    virtual TABFeature     *CloneTABFeature(OGRFeatureDefn *pNewDefn = NULL);
    virtual TABFeatureClass GetFeatureClass() { return TABFCNoGeomFeature; };
    virtual int             GetMapInfoType()  { return m_nMapInfoType; };
    virtual int            ValidateMapInfoType(TABMAPFile *poMapFile = NULL)
                                                {m_nMapInfoType=TAB_GEOM_NONE;
                                                 return m_nMapInfoType;};

    GBool       IsRecordDeleted() { return m_bDeletedFlag; };
    void        SetRecordDeleted(GBool bDeleted) { m_bDeletedFlag=bDeleted; };

    /*-----------------------------------------------------------------
     * TAB Support
     *----------------------------------------------------------------*/

    virtual int ReadRecordFromDATFile(TABDATFile *poDATFile);
    virtual int ReadGeometryFromMAPFile(TABMAPFile *poMapFile, TABMAPObjHdr *);

    virtual int WriteRecordToDATFile(TABDATFile *poDATFile,
                                     TABINDFile *poINDFile, int *panIndexNo);
    virtual int WriteGeometryToMAPFile(TABMAPFile *poMapFile, TABMAPObjHdr *);
    GBool       ValidateCoordType(TABMAPFile * poMapFile);

    /*-----------------------------------------------------------------
     * Mid/Mif Support
     *----------------------------------------------------------------*/

    virtual int ReadRecordFromMIDFile(MIDDATAFile *fp);
    virtual int ReadGeometryFromMIFFile(MIDDATAFile *fp);

    virtual int WriteRecordToMIDFile(MIDDATAFile *fp);
    virtual int WriteGeometryToMIFFile(MIDDATAFile *fp);

    void ReadMIFParameters(MIDDATAFile *fp);
    void WriteMIFParameters(MIDDATAFile *fp);

    /*-----------------------------------------------------------------
     *----------------------------------------------------------------*/

    void        SetMBR(double dXMin, double dYMin, 
                       double dXMax, double dYMax);
    void        GetMBR(double &dXMin, double &dYMin, 
                       double &dXMax, double &dYMax);

    virtual void DumpMID(FILE *fpOut = NULL);
    virtual void DumpMIF(FILE *fpOut = NULL);

};


/*---------------------------------------------------------------------
 *                      class TABPoint
 *
 * Feature class to handle old style MapInfo point symbols:
 *
 *     TAB_GEOM_SYMBOL_C        0x01
 *     TAB_GEOM_SYMBOL          0x02
 *
 * Feature geometry will be a OGRPoint
 *
 * The symbol number is in the range [31..67], with 31=None and corresponds
 * to one of the 35 predefined "Old MapInfo Symbols"
 *
 * NOTE: This class is also used as a base class for the other point
 * symbol types TABFontPoint and TABCustomPoint.
 *--------------------------------------------------------------------*/
class TABPoint: public TABFeature, 
                public ITABFeatureSymbol
{
  public:
             TABPoint(OGRFeatureDefn *poDefnIn);
    virtual ~TABPoint();

    virtual TABFeatureClass GetFeatureClass() { return TABFCPoint; };
    virtual int             ValidateMapInfoType(TABMAPFile *poMapFile = NULL);

    virtual TABFeature *CloneTABFeature(OGRFeatureDefn *poNewDefn = NULL );

    double      GetX();
    double      GetY();

    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 TABFontPoint
 *
 * Feature class to handle MapInfo Font Point Symbol types:
 *
 *     TAB_GEOM_FONTSYMBOL_C    0x28 
 *     TAB_GEOM_FONTSYMBOL      0x29
 *
 * Feature geometry will be a OGRPoint
 *
 * The symbol number refers to a character code in the specified Windows
 * Font (e.g. "Windings").
 *--------------------------------------------------------------------*/
class TABFontPoint: public TABPoint, 
                    public ITABFeatureFont
{
  protected:
    double      m_dAngle;
    GInt16      m_nFontStyle;           // Bold/shadow/halo/etc.

  public:
             TABFontPoint(OGRFeatureDefn *poDefnIn);
    virtual ~TABFontPoint();

    virtual TABFeatureClass GetFeatureClass() { return TABFCFontPoint; };

    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();

    GBool       QueryFontStyle(TABFontStyle eStyleToQuery);
    void        ToggleFontStyle(TABFontStyle eStyleToToggle, GBool bStatus);

    int         GetFontStyleMIFValue();
    void        SetFontStyleMIFValue(int nStyle);
    int         GetFontStyleTABValue()           {return m_nFontStyle;};
    void        SetFontStyleTABValue(int nStyle){m_nFontStyle=(GInt16)nStyle;};

    // GetSymbolAngle(): Return angle in degrees counterclockwise
    double      GetSymbolAngle()        {return m_dAngle;};
    void        SetSymbolAngle(double dAngle);
};


/*---------------------------------------------------------------------
 *                      class TABCustomPoint
 *
 * Feature class to handle MapInfo Custom Point Symbol (Bitmap) types:
 *
 *     TAB_GEOM_CUSTOMSYMBOL_C  0x2b
 *     TAB_GEOM_CUSTOMSYMBOL    0x2c
 *
 * Feature geometry will be a OGRPoint
 *
 * The symbol name is the name of a BMP file stored in the "CustSymb"
 * directory (e.g. "arrow.BMP").  The symbol number has no meaning for 
 * this symbol type.
 *--------------------------------------------------------------------*/
class TABCustomPoint: public TABPoint, 
                      public ITABFeatureFont
{
  protected:
    GByte       m_nCustomStyle;         // Show BG/Apply Color                 

  public:
    GByte       m_nUnknown_;

  public:
             TABCustomPoint(OGRFeatureDefn *poDefnIn);
    virtual ~TABCustomPoint();

    virtual TABFeatureClass GetFeatureClass() { return TABFCCustomPoint; };

    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();

    const char *GetSymbolNameRef()      { return GetFontNameRef(); };
    void        SetSymbolName(const char *pszName) {SetFontName(pszName);};
    
    GByte       GetCustomSymbolStyle()              {return m_nCustomStyle;}
    void        SetCustomSymbolStyle(GByte nStyle)  {m_nCustomStyle = nStyle;}
};


/*---------------------------------------------------------------------
 *                      class TABPolyline
 *
 * Feature class to handle the various MapInfo line types:
 *
 *     TAB_GEOM_LINE_C         0x04
 *     TAB_GEOM_LINE           0x05
 *     TAB_GEOM_PLINE_C        0x07
 *     TAB_GEOM_PLINE          0x08
 *     TAB_GEOM_MULTIPLINE_C   0x25
 *     TAB_GEOM_MULTIPLINE     0x26
 *     TAB_GEOM_V450_MULTIPLINE_C 0x31
 *     TAB_GEOM_V450_MULTIPLINE   0x32
 *
 * Feature geometry can be either a OGRLineString or a OGRMultiLineString
 *--------------------------------------------------------------------*/
class TABPolyline: public TABFeature, 
                   public ITABFeaturePen
{
  private:
    GBool       m_bCenterIsSet;
    double      m_dCenterX, m_dCenterY;

  public:
             TABPolyline(OGRFeatureDefn *poDefnIn);
    virtual ~TABPolyline();

    virtual TABFeatureClass GetFeatureClass() { return TABFCPolyline; };
    virtual int             ValidateMapInfoType(TABMAPFile *poMapFile = NULL);

    virtual TABFeature *CloneTABFeature(OGRFeatureDefn *poNewDefn = NULL );

    /* 2 methods to simplify access to rings in a multiple polyline
     */
    int                 GetNumParts();
    OGRLineString      *GetPartRef(int nPartIndex);

    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);

    int         GetCenter(double &dX, double &dY);
    void        SetCenter(double dX, double dY);

    // MapInfo-specific attributes... made available through public vars
    // for now.
    GBool       m_bSmooth;

};

/*---------------------------------------------------------------------
 *                      class TABRegion
 *
 * Feature class to handle the MapInfo region types:
 *
 *     TAB_GEOM_REGION_C         0x0d
 *     TAB_GEOM_REGION           0x0e
 *     TAB_GEOM_V450_REGION_C    0x2e
 *     TAB_GEOM_V450_REGION      0x2f
 *
 * Feature geometry will be returned as OGRPolygon (with a single ring)
 * or OGRMultiPolygon (for multiple rings).
 *
 * REGIONs with multiple rings are returned as OGRMultiPolygon instead of
 * as OGRPolygons since OGRPolygons require that the first ring be the
 * outer ring, and the other all be inner rings, but this is not guaranteed
 * inside MapInfo files.  However, when writing features, OGRPolygons with
 * multiple rings will be accepted without problem.
 *--------------------------------------------------------------------*/
class TABRegion: public TABFeature, 
                 public ITABFeaturePen, 
                 public ITABFeatureBrush
{
    GBool       m_bSmooth;
  private:
    GBool       m_bCenterIsSet;
    double      m_dCenterX, m_dCenterY;

    int     ComputeNumRings(TABMAPCoordSecHdr **ppasSecHdrs, 
                            TABMAPFile *poMAPFile);
    int     AppendSecHdrs(OGRPolygon *poPolygon,
                          TABMAPCoordSecHdr * &pasSecHdrs,
                          TABMAPFile *poMAPFile,
                          int &iLastRing);

  public:
             TABRegion(OGRFeatureDefn *poDefnIn);
    virtual ~TABRegion();

    virtual TABFeatureClass GetFeatureClass() { return TABFCRegion; };
    virtual int             ValidateMapInfoType(TABMAPFile *poMapFile = NULL);

    virtual TABFeature *CloneTABFeature(OGRFeatureDefn *poNewDefn = NULL );

    /* 2 methods to make the REGION's geometry look like a single collection
     * of OGRLinearRings 
     */
    int                 GetNumRings();
    OGRLinearRing      *GetRingRef(int nRequestedRingIndex);
    GBool               IsInteriorRing(int nRequestedRingIndex);

    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);

    int         GetCenter(double &dX, double &dY);
    void        SetCenter(double dX, double dY);
};


/*---------------------------------------------------------------------
 *                      class TABRectangle
 *
 * Feature class to handle the MapInfo rectangle types:
 *
 *     TAB_GEOM_RECT_C         0x13
 *     TAB_GEOM_RECT           0x14
 *     TAB_GEOM_ROUNDRECT_C    0x16
 *     TAB_GEOM_ROUNDRECT      0x17
 *
 * A rectangle is defined by the coords of its 2 opposite corners (the MBR)
 * Its corners can optionaly be rounded, in which case a X and Y rounding
 * radius will be defined.
 *
 * Feature geometry will be OGRPolygon
 *--------------------------------------------------------------------*/
class TABRectangle: public TABFeature, 
                    public ITABFeaturePen, 
                    public ITABFeatureBrush
{
  public:
             TABRectangle(OGRFeatureDefn *poDefnIn);
    virtual ~TABRectangle();

    virtual TABFeatureClass GetFeatureClass() { return TABFCRectangle; };
    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);

    // MapInfo-specific attributes... made available through public vars