dgnlib.h

在Linux环境下读写DGN文件

    DGNPoint    rnglow;            /*!< X/Y/Z minimums for cell */
    DGNPoint    rnghigh;           /*!< X/Y/Z minimums for cell */
    
    double      trans[9];          /*!< 2D/3D Transformation Matrix */
    DGNPoint    origin;            /*!< Cell Origin */

    double      xscale;
    double      yscale;
    double      rotation;

} DGNElemCellHeader;

/** 
 * Cell Library.
 *
 * The core.stype code is DGNST_CELL_LIBRARY.
 *
 * Returned for DGNT_CELL_LIBRARY(1).
 */

typedef struct {
    DGNElemCore core;

    short       celltype;          /*!< Cell type. */
    short       attindx;           /*!< Attribute linkage. */
    char        name[7];           /*!< Cell name */

    int         numwords;          /*!< Number of words in cell definition */

    short       dispsymb;          /*!< Display symbol */
 unsigned short cclass;            /*!< Class bitmap */
 unsigned short levels[4];         /*!< Levels used in cell */

    char        description[28];   /*!< Description */
    
} DGNElemCellLibrary;

typedef union { char *string; GInt32 integer; double real; } tagValueUnion;

/** 
 * Tag Value.
 *
 * The core.stype code is DGNST_TAG_VALUE.
 *
 * Returned for DGNT_TAG_VALUE(37).
 */

typedef struct {
    DGNElemCore core;

    int         tagType;           /*!< Tag type indicator, DGNTT_* */
    int         tagSet;            /*!< Which tag set does this relate to? */
    int         tagIndex;          /*!< Tag index within tag set. */
    int         tagLength;         /*!< Length of tag information (text) */
    tagValueUnion tagValue;        /*!< Textual value of tag */

} DGNElemTagValue;

/**
 * Tag definition.
 *
 * Structure holding definition of one tag within a DGNTagSet.
 */
typedef struct _DGNTagDef {
    char	*name;      /*!< Name of this tag. */
    int         id;         /*!< Tag index/identifier. */
    char        *prompt;    /*!< User prompt when requesting value. */
    int         type;       /*!< Tag type (one of DGNTT_STRING(1), DGNTT_INTEGER(3) or DGNTT_FLOAT(4). */
    tagValueUnion defaultValue; /*!< Default tag value */
} DGNTagDef;

#define DGNTT_STRING      1
#define DGNTT_INTEGER     3
#define DGNTT_FLOAT       4

/** 
 * Tag Set.
 *
 * The core.stype code is DGNST_TAG_SET.
 *
 * Returned for DGNT_APPLICATION_ELEM(66), Level: 24.
 */

typedef struct {
    DGNElemCore core;

    int        tagCount;    /*!< Number of tags in tagList. */
    int        tagSet;      /*!< Tag set index. */
    int        flags;       /*!< Tag flags - not too much known. */
    char       *tagSetName; /*!< Tag set name. */

    DGNTagDef  *tagList;    /*!< List of tag definitions in this set. */

} DGNElemTagSet;

/* -------------------------------------------------------------------- */
/*      Structure types                                                 */
/* -------------------------------------------------------------------- */

/** DGNElemCore style: Element uses DGNElemCore structure */
#define DGNST_CORE		   1 

/** DGNElemCore style: Element uses DGNElemMultiPoint structure */
#define DGNST_MULTIPOINT	   2 

/** DGNElemCore style: Element uses DGNElemColorTable structure */
#define DGNST_COLORTABLE           3 

/** DGNElemCore style: Element uses DGNElemTCB structure */
#define DGNST_TCB                  4 

/** DGNElemCore style: Element uses DGNElemArc structure */
#define DGNST_ARC                  5 

/** DGNElemCore style: Element uses DGNElemText structure */
#define DGNST_TEXT                 6 

/** DGNElemCore style: Element uses DGNElemComplexHeader structure */
#define DGNST_COMPLEX_HEADER       7

/** DGNElemCore style: Element uses DGNElemCellHeader structure */
#define DGNST_CELL_HEADER          8

/** DGNElemCore style: Element uses DGNElemTagValue structure */
#define DGNST_TAG_VALUE            9

/** DGNElemCore style: Element uses DGNElemTagSet structure */
#define DGNST_TAG_SET             10

/** DGNElemCore style: Element uses DGNElemCellLibrary structure */
#define DGNST_CELL_LIBRARY        11

/* -------------------------------------------------------------------- */
/*      Element types                                                   */
/* -------------------------------------------------------------------- */
#define DGNT_CELL_LIBRARY	   1
#define DGNT_CELL_HEADER	   2
#define DGNT_LINE		   3
#define DGNT_LINE_STRING	   4
#define DGNT_GROUP_DATA            5
#define DGNT_SHAPE		   6
#define DGNT_TEXT_NODE             7
#define DGNT_DIGITIZER_SETUP       8
#define DGNT_TCB                   9
#define DGNT_LEVEL_SYMBOLOGY      10
#define DGNT_CURVE		  11
#define DGNT_COMPLEX_CHAIN_HEADER 12
#define DGNT_COMPLEX_SHAPE_HEADER 14
#define DGNT_ELLIPSE              15
#define DGNT_ARC                  16
#define DGNT_TEXT                 17
#define DGNT_BSPLINE              21
#define DGNT_SHARED_CELL_DEFN     34
#define DGNT_SHARED_CELL_ELEM     35
#define DGNT_TAG_VALUE            37
#define DGNT_APPLICATION_ELEM     66

/* -------------------------------------------------------------------- */
/*      Line Styles                                                     */
/* -------------------------------------------------------------------- */
#define DGNS_SOLID		0
#define DGNS_DOTTED		1
#define DGNS_MEDIUM_DASH	2
#define DGNS_LONG_DASH		3
#define DGNS_DOT_DASH		4
#define DGNS_SHORT_DASH		5
#define DGNS_DASH_DOUBLE_DOT    6
#define DGNS_LONG_DASH_SHORT_DASH 7

/* -------------------------------------------------------------------- */
/*      Class                                                           */
/* -------------------------------------------------------------------- */
#define DGNC_PRIMARY			0
#define DGNC_PATTERN_COMPONENT		1
#define DGNC_CONSTRUCTION_ELEMENT	2
#define DGNC_DIMENSION_ELEMENT	        3
#define DGNC_PRIMARY_RULE_ELEMENT       4
#define DGNC_LINEAR_PATTERNED_ELEMENT   5
#define DGNC_CONSTRUCTION_RULE_ELEMENT  6

/* -------------------------------------------------------------------- */
/*      Group Data level numbers.                                       */
/*                                                                      */
/*      These are symbolic values for the typ 5 (DGNT_GROUP_DATA)       */
/*      level values that have special meanings.                        */
/* -------------------------------------------------------------------- */
#define DGN_GDL_COLOR_TABLE     1
#define DGN_GDL_NAMED_VIEW      3
#define DGN_GDL_REF_FILE        9

/* -------------------------------------------------------------------- */
/*      Word 17 property flags.                                         */
/* -------------------------------------------------------------------- */
#define DGNPF_HOLE	   0x8000
#define DGNPF_SNAPPABLE    0x4000
#define DGNPF_PLANAR       0x2000
#define DGNPF_ORIENTATION  0x1000
#define DGNPF_ATTRIBUTES   0x0800
#define DGNPF_MODIFIED     0x0400
#define DGNPF_NEW          0x0200
#define DGNPF_LOCKED       0x0100
#define DGNPF_CLASS        0x000f

/* -------------------------------------------------------------------- */
/*      DGNElementInfo flag values.                                     */
/* -------------------------------------------------------------------- */
#define DGNEIF_DELETED     0x01
#define DGNEIF_COMPLEX     0x02

/* -------------------------------------------------------------------- */
/*      Justifications                                                  */
/* -------------------------------------------------------------------- */
#define DGNJ_LEFT_TOP		0
#define DGNJ_LEFT_CENTER	1
#define DGNJ_LEFT_BOTTOM	2
#define DGNJ_LEFTMARGIN_TOP	3    /* text node header only */
#define DGNJ_LEFTMARGIN_CENTER	4    /* text node header only */
#define DGNJ_LEFTMARGIN_BOTTOM	5    /* text node header only */
#define DGNJ_CENTER_TOP		6
#define DGNJ_CENTER_CENTER	6
#define DGNJ_CENTER_BOTTOM	8
#define DGNJ_RIGHTMARGIN_TOP	9    /* text node header only */
#define DGNJ_RIGHTMARGIN_CENTER	10   /* text node header only */
#define DGNJ_RIGHTMARGIN_BOTTOM	11   /* text node header only */
#define DGNJ_RIGHT_TOP		12
#define DGNJ_RIGHT_CENTER	13
#define DGNJ_RIGHT_BOTTOM	14

/* -------------------------------------------------------------------- */
/*      DGN file reading options.                                       */
/* -------------------------------------------------------------------- */
#define DGNO_CAPTURE_RAW_DATA	0x01

/* -------------------------------------------------------------------- */
/*      Known attribute linkage types, including my synthetic ones.     */
/* -------------------------------------------------------------------- */
#define DGNLT_DMRS              0x0000
#define DGNLT_INFORMIX          0x3848
#define DGNLT_ODBC              0x5e62
#define DGNLT_ORACLE            0x6091
#define DGNLT_RIS               0x71FB
#define DGNLT_SYBASE            0x4f58
#define DGNLT_XBASE             0x1971
#define DGNLT_SHAPE_FILL        0x0041
#define DGNLT_ASSOC_ID          0x7D2F

/* -------------------------------------------------------------------- */
/*      File creation options.                                          */
/* -------------------------------------------------------------------- */

#define DGNCF_USE_SEED_UNITS   		  0x01
#define DGNCF_USE_SEED_ORIGIN		  0x02
#define DGNCF_COPY_SEED_FILE_COLOR_TABLE  0x04
#define DGNCF_COPY_WHOLE_SEED_FILE        0x08

/* -------------------------------------------------------------------- */
/*      API                                                             */
/* -------------------------------------------------------------------- */
/** Opaque handle representing DGN file, used with DGN API. */
typedef void *DGNHandle;

DGNHandle CPL_DLL    DGNOpen( const char *, int );
void CPL_DLL         DGNSetOptions( DGNHandle, int );
int CPL_DLL          DGNTestOpen( GByte *, int );
const DGNElementInfo CPL_DLL *DGNGetElementIndex( DGNHandle, int * );
int CPL_DLL          DGNGetExtents( DGNHandle, double * );
DGNElemCore CPL_DLL *DGNReadElement( DGNHandle );
void CPL_DLL         DGNFreeElement( DGNHandle, DGNElemCore * );
void CPL_DLL         DGNRewind( DGNHandle );
int  CPL_DLL         DGNGotoElement( DGNHandle, int );
void CPL_DLL         DGNClose( DGNHandle );
int  CPL_DLL         DGNLookupColor( DGNHandle, int, int *, int *, int * );
int  CPL_DLL         DGNGetShapeFillInfo( DGNHandle, DGNElemCore *, int * );
int  CPL_DLL         DGNGetAssocID( DGNHandle, DGNElemCore * );
int  CPL_DLL         DGNGetElementExtents( DGNHandle, DGNElemCore *, 
                                           DGNPoint *, DGNPoint * );

void CPL_DLL         DGNDumpElement( DGNHandle, DGNElemCore *, FILE * );
const char CPL_DLL  *DGNTypeToName( int );

int CPL_DLL   DGNStrokeArc( DGNHandle, DGNElemArc *, int, DGNPoint * );
int CPL_DLL   DGNStrokeCurve( DGNHandle, DGNElemMultiPoint*, int, DGNPoint * );
void CPL_DLL  DGNSetSpatialFilter( DGNHandle hDGN, 
                                   double dfXMin, double dfYMin, 
                                   double dfXMax, double dfYMax );
int  CPL_DLL  DGNGetAttrLinkSize( DGNHandle, DGNElemCore *, int );
unsigned char CPL_DLL *
	      DGNGetLinkage( DGNHandle hDGN, DGNElemCore *psElement, 
                             int iIndex, int *pnLinkageType,
                             int *pnEntityNum, int *pnMSLink, int *pnLinkSize);

/* Write API */
    
int  CPL_DLL  DGNWriteElement( DGNHandle, DGNElemCore * );
int  CPL_DLL  DGNResizeElement( DGNHandle, DGNElemCore *, int );
DGNHandle CPL_DLL 
      DGNCreate( const char *pszNewFilename, const char *pszSeedFile, 
                 int nCreationFlags, 
                 double dfOriginX, double dfOriginY, double dfOriginZ,
                 int nMasterUnitPerSubUnit, int nUORPerSubUnit, 
                 const char *pszMasterUnits, const char *pszSubUnits );
DGNElemCore CPL_DLL *DGNCloneElement( DGNHandle hDGNSrc, DGNHandle hDGNDst, 
                                      DGNElemCore *psSrcElement );
int CPL_DLL   DGNUpdateElemCore( DGNHandle hDGN, DGNElemCore *psElement, 
                                 int nLevel, int nGraphicGroup, int nColor, 
                                 int nWeight, int nStyle );
int CPL_DLL   DGNUpdateElemCoreExtended( DGNHandle hDGN, 
                                         DGNElemCore *psElement );

DGNElemCore CPL_DLL *
              DGNCreateMultiPointElem( DGNHandle hDGN, int nType, 
                                       int nPointCount, DGNPoint*pasVertices );
DGNElemCore CPL_DLL  *
              DGNCreateArcElem2D( DGNHandle hDGN, int nType, 
                                  double dfOriginX, double dfOriginY,
                                  double dfPrimaryAxis, double dfSecondaryAxis,
                                  double dfRotation, 
                                  double dfStartAngle, double dfSweepAngle );

DGNElemCore CPL_DLL *
             DGNCreateTextElem( DGNHandle hDGN, const char *pszText, 
                                int nFontId, int nJustification, 
                                double dfLengthMult, double dfHeightMult, 
                                double dfRotation, 
                       double dfOriginX, double dfOriginY, double dfOriginZ );

DGNElemCore CPL_DLL *
            DGNCreateColorTableElem( DGNHandle hDGN, int nScreenFlag, 
                                     GByte abyColorInfo[256][3] );
DGNElemCore *
DGNCreateComplexHeaderElem( DGNHandle hDGN, int nType, 
                            int nTotLength, int nNumElems );
DGNElemCore *
DGNCreateComplexHeaderFromGroup( DGNHandle hDGN, int nType, 
                                 int nNumElems, DGNElemCore **papsElems );

int CPL_DLL DGNAddMSLink( DGNHandle hDGN, DGNElemCore *psElement, 
                          int nLinkageType, int nEntityNum, int nMSLink );

int CPL_DLL DGNAddRawAttrLink( DGNHandle hDGN, DGNElemCore *psElement, 
                               int nLinkSize, unsigned char *pabyRawLinkData );

int CPL_DLL DGNAddShapeFillInfo( DGNHandle hDGN, DGNElemCore *psElement, 
                                 int nColor );

CPL_C_END

#endif /* ndef _DGNLIB_H_INCLUDED */