ugkglobal.h

linux下一款GIS程序源码

    double      adProjParams[6];   // params in same order as in .MIF COORDSYS

    double      dDatumShiftX;
    double      dDatumShiftY;
    double      dDatumShiftZ;
    double      adDatumParams[5];

    // Affine parameters only in .map version 500 and up
    UGKByte       nAffineFlag;    // 0=No affine param, 1=Affine params   
    UGKByte       nAffineUnits;
    double      dAffineParamA;  // Affine params
    double      dAffineParamB;
    double      dAffineParamC;
    double      dAffineParamD;
    double      dAffineParamE;
    double      dAffineParamF;

} TABProjInfo;

/*---------------------------------------------------------------------
 * TABMAPCoordSecHdr
 * struct used in the TABMAPCoordBlock to store info about the coordinates
 * for a section of a PLINE MULTIPLE or a REGION.
 * 结构体，在TABMAPCoordBlock类中用来保存一个PLINE MULTIPLE或REGION
 * 的坐标信息
 *--------------------------------------------------------------------*/
typedef struct TABMAPCoordSecHdr_t
{
    UGKInt32      numVertices;   //顶点数
    UGKInt16      numHoles;      //孔的个数
    UGKInt32      nXMin;         //******
    UGKInt32      nYMin;         // 边界
    UGKInt32      nXMax;
    UGKInt32      nYMax;         //********

    UGKInt32      nDataOffset;   //?
    int         nVertexOffset; //?
} TABMAPCoordSecHdr;



/*---------------------------------------------------------------------
 * struct TABMAPIndexEntry - Entries found in type 1 blocks of .MAP files
 *
 * We will use this struct to rebuild the geographic index in memory
 *--------------------------------------------------------------------*/
typedef struct TABMAPIndexEntry_t
{
    // These members refer to the info we find in the file
    UGKInt32      XMin;
    UGKInt32      YMin;
    UGKInt32      XMax;
    UGKInt32      YMax;
    UGKInt32      nBlockPtr;
}TABMAPIndexEntry;

#define TAB_MAX_ENTRIES_INDEX_BLOCK     ((512-4)/20)


/*---------------------------------------------------------------------
 * TABVertex 
 *--------------------------------------------------------------------*/
typedef struct TABVertex_t
{
    double x;
    double y;
} TABVertex;

/*---------------------------------------------------------------------
 * TABFontDef - Font Name information
 *--------------------------------------------------------------------*/
typedef struct TABFontDef_t
{
    UGKInt32      nRefCount;
    char        szFontName[33];
} TABFontDef;

#define MITAB_FONT_DEFAULT {0, "Arial"}

/*---------------------------------------------------------------------
 * TABPenDef - Pen definition information
 *--------------------------------------------------------------------*/
typedef struct TABPenDef_t
{
    UGKInt32      nRefCount;
    UGKByte       nPixelWidth;
    UGKByte       nLinePattern;
    int         nPointWidth;
    UGKInt32      rgbColor;
} TABPenDef;

#define MITAB_PEN_DEFAULT {0, 1, 2, 0, 0x000000}

/*---------------------------------------------------------------------
 * TABBrushDef - Brush definition information
 *--------------------------------------------------------------------*/
typedef struct TABBrushDef_t
{
    UGKInt32      nRefCount;
    UGKByte       nFillPattern;
    UGKByte       bTransparentFill; // 1 = Transparent
    UGKInt32      rgbFGColor;
    UGKInt32      rgbBGColor;
} TABBrushDef;

#define MITAB_BRUSH_DEFAULT {0, 1, 0, 0, 0xffffff}


typedef struct TABSymbolDef_t
{
    UGKInt32      nRefCount;
    UGKInt16      nSymbolNo;
    UGKInt16      nPointSize;
    UGKByte       _nUnknownValue_;// Style???
    UGKInt32      rgbColor;
} TABSymbolDef;

#define MITAB_SYMBOL_DEFAULT {0, 35, 12, 0, 0x000000}


typedef enum TABFontStyle_t     // Can be OR'ed
{                               // except box and halo are mutually exclusive
    TABFSNone       = 0,
    TABFSBold       = 0x0001,
    TABFSItalic     = 0x0002,
    TABFSUnderline  = 0x0004,
    TABFSStrikeout  = 0x0008,
    TABFSOutline    = 0x0010,
    TABFSShadow     = 0x0020,
    TABFSInverse    = 0x0040,
    TABFSBlink      = 0x0080,
    TABFSBox        = 0x0100,   // See note about box vs halo below.
    TABFSHalo       = 0x0200,   // MIF uses 256, see MIF docs, App.A
    TABFSAllCaps    = 0x0400,   // MIF uses 512
    TABFSExpanded   = 0x0800    // MIF uses 1024
} TABFontStyle;


/*---------------------------------------------------------------------
 * Codes for the feature classes
 *--------------------------------------------------------------------*/
typedef enum
{
    TABFCNoGeomFeature = 0,
    TABFCPoint = 1,
    TABFCFontPoint = 2,
    TABFCCustomPoint = 3,
    TABFCText = 4,
    TABFCPolyline = 5,
    TABFCArc = 6,
    TABFCRegion = 7,
    TABFCRectangle = 8,
    TABFCEllipse = 9,
    TABFCMultiPoint = 10,
    TABFCCollection = 11,
    TABFCDebugFeature
} TABFeatureClass;


typedef enum
{
    TABFUnknown = 0,
    TABFChar,
    TABFInteger,
    TABFSmallInt,
    TABFDecimal,
    TABFFloat,
    TABFDate,
    TABFLogical
} TABFieldType;  

/*---------------------------------------------------------------------
 * TABTableType - Attribute table format
 *--------------------------------------------------------------------*/
typedef enum
{
    TABTableNative,     // The default
    TABTableDBF,
    TABTableAccess
} TABTableType;


/*---------------------------------------------------------------------
 * TABDATFieldDef
 *--------------------------------------------------------------------*/
typedef struct TABDATFieldDef_t
{
    char        szName[11];
    char        cType;
    UGKByte       byLength;
    UGKByte       byDecimals;

    TABFieldType eTABType;  // 字段类型 $zgq
} TABDATFieldDef;


/*---------------------------------------------------------------------
 * Definitions for text attributes
 *--------------------------------------------------------------------*/
typedef enum TABTextJust_t
{
    TABTJLeft = 0,      // Default: Left Justification
    TABTJCenter,
    TABTJRight
} TABTextJust;

typedef enum TABTextSpacing_t
{
    TABTSSingle = 0,    // Default: Single spacing
    TABTS1_5,           // 1.5
    TABTSDouble
} TABTextSpacing;

typedef enum TABTextLineType_t
{
    TABTLNoLine = 0,    // Default: No line
    TABTLSimple,
    TABTLArrow
} TABTextLineType;

typedef enum TABCustSymbStyle_t // Can be OR'ed
{ 
    TABCSNone       = 0,        // Transparent BG, use default colors
    TABCSBGOpaque   = 0x01,     // White pixels are opaque
    TABCSApplyColor = 0x02      // non-white pixels drawn using symbol color
} TABCustSymbStyle;

#define TABFIELDTYPE_2_STRING(type)     \
   (type == TABFChar ? "Char" :         \
    type == TABFInteger ? "Integer" :   \
    type == TABFSmallInt ? "SmallInt" : \
    type == TABFDecimal ? "Decimal" :   \
    type == TABFFloat ? "Float" :       \
    type == TABFDate ? "Date" :         \
    type == TABFLogical ? "Logical" :   \
    "Unknown field type"   )


/*---------------------------------------------------------------------
 * 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;  /* 坐标系的边界  $zgq */

	   
#define COLOR_R(color) ((color&0xff0000)/0x10000)
#define COLOR_G(color) ((color&0xff00)/0x100)
#define COLOR_B(color) (color&0xff)


/* -------------------------------------------------------------------- */
/* -------------------------------------------------------------------- */
#define OLCRandomRead          "RandomRead"
#define OLCSequentialWrite     "SequentialWrite"
#define OLCRandomWrite         "RandomWrite"
#define OLCFastSpatialFilter   "FastSpatialFilter"
#define OLCFastFeatureCount    "FastFeatureCount"
#define OLCFastGetExtent       "FastGetExtent"
#define OLCCreateField         "CreateField"
#define OLCTransactions        "Transactions"
#define OLCDeleteFeature       "DeleteFeature"
#define OLCFastSetNextByIndex  "FastSetNextByIndex"

#define ODsCCreateLayer        "CreateLayer"
#define ODsCDeleteLayer        "DeleteLayer"

#define ODrCCreateDataSource   "CreateDataSource"
#define ODrCDeleteDataSource   "DeleteDataSource"



/*********************************************************/
//                全局函数
UGKBool TABAdjustFilenameExtension(char *pszFname);
char *TABGetBasename(const char *pszFname);
char *TABCleanFieldName(const char *pszSrcName);
char *TABEscapeString(char *pszString);
char *TABUnEscapeString(char *pszString, UGKBool bSrcIsConst);

UGKBool   MITABLookupCoordSysBounds(TABProjInfo *psCS,
                                  double &dXMin, double &dYMin,
                                  double &dXMax, double &dYMax);

void   SwapHighLow4Byte(double &val);

#endif