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# ogr_core.h

Go to the documentation of this file.

    00001 /******************************************************************************
    00002  * $Id: ogr_core.h 17722 2009-10-01 16:40:26Z warmerdam $
    00003  *
    00004  * Project:  OpenGIS Simple Features Reference Implementation
    00005  * Purpose:  Define some core portability services for cross-platform OGR code.
    00006  * Author:   Frank Warmerdam, warmerdam@pobox.com
    00007  *
    00008  ******************************************************************************
    00009  * Copyright (c) 1999, Frank Warmerdam
    00010  *
    00011  * Permission is hereby granted, free of charge, to any person obtaining a
    00012  * copy of this software and associated documentation files (the "Software"),
    00013  * to deal in the Software without restriction, including without limitation
    00014  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
    00015  * and/or sell copies of the Software, and to permit persons to whom the
    00016  * Software is furnished to do so, subject to the following conditions:
    00017  *
    00018  * The above copyright notice and this permission notice shall be included
    00019  * in all copies or substantial portions of the Software.
    00020  *
    00021  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
    00022  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00023  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
    00024  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00025  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
    00026  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
    00027  * DEALINGS IN THE SOFTWARE.
    00028  ****************************************************************************/
    00029
    00030 #ifndef OGR_CORE_H_INCLUDED
    00031 #define OGR_CORE_H_INCLUDED
    00032
    00033 #include "cpl_port.h"
    00034 #include "gdal_version.h"
    00035
    00046 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
    00047 class CPL_DLL OGREnvelope
    00048 {
    00049   public:
    00050         OGREnvelope()
    00051         {
    00052                 MinX = MaxX = MinY = MaxY = 0;
    00053         }
    00054     double      MinX;
    00055     double      MaxX;
    00056     double      MinY;
    00057     double      MaxY;
    00058
    00059     int  IsInit() const { return MinX != 0 || MinY != 0 || MaxX != 0 || MaxY != 0; }
    00060     void Merge( OGREnvelope const& sOther ) {
    00061         if( IsInit() )
    00062         {
    00063             MinX = MIN(MinX,sOther.MinX);
    00064             MaxX = MAX(MaxX,sOther.MaxX);
    00065             MinY = MIN(MinY,sOther.MinY);
    00066             MaxY = MAX(MaxY,sOther.MaxY);
    00067         }
    00068         else
    00069         {
    00070             MinX = sOther.MinX;
    00071             MaxX = sOther.MaxX;
    00072             MinY = sOther.MinY;
    00073             MaxY = sOther.MaxY;
    00074         }
    00075     }
    00076     void Merge( double dfX, double dfY ) {
    00077         if( IsInit() )
    00078         {
    00079             MinX = MIN(MinX,dfX);
    00080             MaxX = MAX(MaxX,dfX);
    00081             MinY = MIN(MinY,dfY);
    00082             MaxY = MAX(MaxY,dfY);
    00083         }
    00084         else
    00085         {
    00086             MinX = MaxX = dfX;
    00087             MinY = MaxY = dfY;
    00088         }
    00089     }
    00090
    00091     void Intersect( OGREnvelope const& sOther ) {
    00092         if(Intersects(sOther))
    00093         {
    00094             if( IsInit() )
    00095             {
    00096                 MinX = MAX(MinX,sOther.MinX);
    00097                 MaxX = MIN(MaxX,sOther.MaxX);
    00098                 MinY = MAX(MinY,sOther.MinY);
    00099                 MaxY = MIN(MaxY,sOther.MaxY);
    00100             }
    00101             else
    00102             {
    00103                 MinX = sOther.MinX;
    00104                 MaxX = sOther.MaxX;
    00105                 MinY = sOther.MinY;
    00106                 MaxY = sOther.MaxY;
    00107             }
    00108         }
    00109         else
    00110         {
    00111             MinX = 0;
    00112             MaxX = 0;
    00113             MinY = 0;
    00114             MaxY = 0;
    00115         }
    00116     }
    00117
    00118     int Intersects(OGREnvelope const& other) const
    00119     {
    00120         return MinX <= other.MaxX && MaxX >= other.MinX &&
    00121                MinY <= other.MaxY && MaxY >= other.MinY;
    00122     }
    00123
    00124     int Contains(OGREnvelope const& other) const
    00125     {
    00126         return MinX <= other.MinX && MinY <= other.MinY &&
    00127                MaxX >= other.MaxX && MaxY >= other.MaxY;
    00128     }
    00129 };
    00130 #else
    00131 typedef struct
    00132 {
    00133     double      MinX;
    00134     double      MaxX;
    00135     double      MinY;
    00136     double      MaxY;
    00137 } OGREnvelope;
    00138 #endif
    00139
    00140 CPL_C_START
    00141
    00142 void CPL_DLL *OGRMalloc( size_t );
    00143 void CPL_DLL *OGRCalloc( size_t, size_t );
    00144 void CPL_DLL *OGRRealloc( void *, size_t );
    00145 char CPL_DLL *OGRStrdup( const char * );
    00146 void CPL_DLL OGRFree( void * );
    00147
    00148 typedef int OGRErr;
    00149
    00150 #define OGRERR_NONE                0
    00151 #define OGRERR_NOT_ENOUGH_DATA     1    /* not enough data to deserialize */
    00152 #define OGRERR_NOT_ENOUGH_MEMORY   2
    00153 #define OGRERR_UNSUPPORTED_GEOMETRY_TYPE 3
    00154 #define OGRERR_UNSUPPORTED_OPERATION 4
    00155 #define OGRERR_CORRUPT_DATA        5
    00156 #define OGRERR_FAILURE             6
    00157 #define OGRERR_UNSUPPORTED_SRS     7
    00158 #define OGRERR_INVALID_HANDLE      8
    00159
    00160 typedef int     OGRBoolean;
    00161
    00162 /* -------------------------------------------------------------------- */
    00163 /*      ogr_geometry.h related definitions.                             */
    00164 /* -------------------------------------------------------------------- */
    00171 typedef enum
    00172 {
    00173     wkbUnknown = 0,
    00174     wkbPoint = 1,
    00175     wkbLineString = 2,
    00177     wkbPolygon = 3,
    00180     wkbMultiPoint = 4,
    00181     wkbMultiLineString = 5,
    00182     wkbMultiPolygon = 6,
    00183     wkbGeometryCollection = 7,
    00185     wkbNone = 100,
    00186     wkbLinearRing = 101,
    00187     wkbPoint25D = 0x80000001,
    00188     wkbLineString25D = 0x80000002,
    00189     wkbPolygon25D = 0x80000003,
    00190     wkbMultiPoint25D = 0x80000004,
    00191     wkbMultiLineString25D = 0x80000005,
    00192     wkbMultiPolygon25D = 0x80000006,
    00193     wkbGeometryCollection25D = 0x80000007
    00194 } OGRwkbGeometryType;
    00195
    00196 #define wkb25DBit 0x80000000
    00197 #define wkbFlatten(x)  ((OGRwkbGeometryType) ((x) & (~wkb25DBit)))
    00198
    00199 #define ogrZMarker 0x21125711
    00200
    00201 const char CPL_DLL * OGRGeometryTypeToName( OGRwkbGeometryType eType );
    00202 OGRwkbGeometryType CPL_DLL OGRMergeGeometryTypes( OGRwkbGeometryType eMain,
    00203                                                   OGRwkbGeometryType eExtra );
    00204
    00205 typedef enum
    00206 {
    00207     wkbXDR = 0,         /* MSB/Sun/Motoroloa: Most Significant Byte First   */
    00208     wkbNDR = 1          /* LSB/Intel/Vax: Least Significant Byte First      */
    00209 } OGRwkbByteOrder;
    00210
    00211 #ifndef NO_HACK_FOR_IBM_DB2_V72
    00212 #  define HACK_FOR_IBM_DB2_V72
    00213 #endif
    00214
    00215 #ifdef HACK_FOR_IBM_DB2_V72
    00216 #  define DB2_V72_FIX_BYTE_ORDER(x) ((((x) & 0x31) == (x)) ? (OGRwkbByteOrder) ((x) & 0x1) : (x))
    00217 #  define DB2_V72_UNFIX_BYTE_ORDER(x) ((unsigned char) (OGRGeometry::bGenerate_DB2_V72_BYTE_ORDER ? ((x) | 0x30) : (x)))
    00218 #else
    00219 #  define DB2_V72_FIX_BYTE_ORDER(x) (x)
    00220 #  define DB2_V72_UNFIX_BYTE_ORDER(x) (x)
    00221 #endif
    00222
    00223 /************************************************************************/
    00224 /*                  ogr_feature.h related definitions.                  */
    00225 /************************************************************************/
    00226
    00233 typedef enum
    00234 {                   OFTInteger = 0,                 OFTIntegerList = 1,        OFTReal = 2,                        OFTRealList = 3,                  OFTString = 4,                       OFTStringList = 5,                             OFTWideString = 6,                             OFTWideStringList = 7,                        OFTBinary = 8,                                   OFTDate = 9,                                   OFTTime = 10,                          OFTDateTime = 11,
    00247                                                 OFTMaxType = 11
    00248 } OGRFieldType;
    00249
    00254 typedef enum
    00255 {
    00256     OJUndefined = 0,
    00257     OJLeft = 1,
    00258     OJRight = 2
    00259 } OGRJustification;
    00260
    00261 #define OGRNullFID            -1
    00262 #define OGRUnsetMarker        -21121
    00263
    00264 /************************************************************************/
    00265 /*                               OGRField                               */
    00266 /************************************************************************/
    00267
    00272 typedef union {
    00273     int         Integer;
    00274     double      Real;
    00275     char       *String;
    00276
    00277     struct {
    00278         int     nCount;
    00279         int     *paList;
    00280     } IntegerList;
    00281
    00282     struct {
    00283         int     nCount;
    00284         double  *paList;
    00285     } RealList;
    00286
    00287     struct {
    00288         int     nCount;
    00289         char    **paList;
    00290     } StringList;
    00291
    00292     struct {
    00293         int     nCount;
    00294         GByte   *paData;
    00295     } Binary;
    00296
    00297     struct {
    00298         int     nMarker1;
    00299         int     nMarker2;
    00300     } Set;
    00301
    00302     struct {
    00303         GInt16  Year;
    00304         GByte   Month;
    00305         GByte   Day;
    00306         GByte   Hour;
    00307         GByte   Minute;
    00308         GByte   Second;
    00309         GByte   TZFlag; /* 0=unknown, 1=localtime(ambiguous),
    00310                            100=GMT, 104=GMT+1, 80=GMT-5, etc */
    00311     } Date;
    00312 } OGRField;
    00313
    00314 int CPL_DLL OGRParseDate( const char *pszInput, OGRField *psOutput,
    00315                           int nOptions );
    00316
    00317 /* -------------------------------------------------------------------- */
    00318 /*      Constants from ogrsf_frmts.h for capabilities.                  */
    00319 /* -------------------------------------------------------------------- */
    00320 #define OLCRandomRead          "RandomRead"
    00321 #define OLCSequentialWrite     "SequentialWrite"
    00322 #define OLCRandomWrite         "RandomWrite"
    00323 #define OLCFastSpatialFilter   "FastSpatialFilter"
    00324 #define OLCFastFeatureCount    "FastFeatureCount"
    00325 #define OLCFastGetExtent       "FastGetExtent"
    00326 #define OLCCreateField         "CreateField"
    00327 #define OLCTransactions        "Transactions"
    00328 #define OLCDeleteFeature       "DeleteFeature"
    00329 #define OLCFastSetNextByIndex  "FastSetNextByIndex"
    00330 #define OLCStringsAsUTF8       "StringsAsUTF8"
    00331
    00332 #define ODsCCreateLayer        "CreateLayer"
    00333 #define ODsCDeleteLayer        "DeleteLayer"
    00334
    00335 #define ODrCCreateDataSource   "CreateDataSource"
    00336 #define ODrCDeleteDataSource   "DeleteDataSource"
    00337
    00338
    00339 /************************************************************************/
    00340 /*                  ogr_featurestyle.h related definitions.             */
    00341 /************************************************************************/
    00342
    00347 typedef enum ogr_style_tool_class_id
    00348 {
    00349     OGRSTCNone   = 0,
    00350     OGRSTCPen    = 1,
    00351     OGRSTCBrush  = 2,
    00352     OGRSTCSymbol = 3,
    00353     OGRSTCLabel  = 4,
    00354     OGRSTCVector = 5
    00355 } OGRSTClassId;
    00356
    00360 typedef enum ogr_style_tool_units_id
    00361 {
    00362     OGRSTUGround = 0,
    00363     OGRSTUPixel  = 1,
    00364     OGRSTUPoints = 2,
    00365     OGRSTUMM     = 3,
    00366     OGRSTUCM     = 4,
    00367     OGRSTUInches = 5
    00368 } OGRSTUnitId;
    00369
    00373 typedef enum ogr_style_tool_param_pen_id
    00374 {
    00375     OGRSTPenColor       = 0,
    00376     OGRSTPenWidth       = 1,
    00377     OGRSTPenPattern     = 2,
    00378     OGRSTPenId          = 3,
    00379     OGRSTPenPerOffset   = 4,
    00380     OGRSTPenCap         = 5,
    00381     OGRSTPenJoin        = 6,
    00382     OGRSTPenPriority    = 7,
    00383     OGRSTPenLast        = 8
    00384
    00385 } OGRSTPenParam;
    00386
    00390 typedef enum ogr_style_tool_param_brush_id
    00391 {
    00392     OGRSTBrushFColor    = 0,
    00393     OGRSTBrushBColor    = 1,
    00394     OGRSTBrushId        = 2,
    00395     OGRSTBrushAngle     = 3,
    00396     OGRSTBrushSize      = 4,
    00397     OGRSTBrushDx        = 5,
    00398     OGRSTBrushDy        = 6,
    00399     OGRSTBrushPriority  = 7,
    00400     OGRSTBrushLast      = 8
    00401
    00402 } OGRSTBrushParam;
    00403
    00404
    00408 typedef enum ogr_style_tool_param_symbol_id
    00409 {
    00410     OGRSTSymbolId       = 0,
    00411     OGRSTSymbolAngle    = 1,
    00412     OGRSTSymbolColor    = 2,
    00413     OGRSTSymbolSize     = 3,
    00414     OGRSTSymbolDx       = 4,
    00415     OGRSTSymbolDy       = 5,
    00416     OGRSTSymbolStep     = 6,
    00417     OGRSTSymbolPerp     = 7,
    00418     OGRSTSymbolOffset   = 8,
    00419     OGRSTSymbolPriority = 9,
    00420     OGRSTSymbolFontName = 10,
    00421     OGRSTSymbolOColor   = 11,
    00422     OGRSTSymbolLast     = 12
    00423
    00424 } OGRSTSymbolParam;
    00425
    00429 typedef enum ogr_style_tool_param_label_id
    00430 {
    00431     OGRSTLabelFontName  = 0,
    00432     OGRSTLabelSize      = 1,
    00433     OGRSTLabelTextString = 2,
    00434     OGRSTLabelAngle     = 3,
    00435     OGRSTLabelFColor    = 4,
    00436     OGRSTLabelBColor    = 5,
    00437     OGRSTLabelPlacement = 6,
    00438     OGRSTLabelAnchor    = 7,
    00439     OGRSTLabelDx        = 8,
    00440     OGRSTLabelDy        = 9,
    00441     OGRSTLabelPerp      = 10,
    00442     OGRSTLabelBold      = 11,
    00443     OGRSTLabelItalic    = 12,
    00444     OGRSTLabelUnderline = 13,
    00445     OGRSTLabelPriority  = 14,
    00446     OGRSTLabelStrikeout = 15,
    00447     OGRSTLabelStretch   = 16,
    00448     OGRSTLabelAdjHor    = 17,
    00449     OGRSTLabelAdjVert   = 18,
    00450     OGRSTLabelHColor    = 19,
    00451     OGRSTLabelOColor    = 20,
    00452     OGRSTLabelLast      = 21
    00453
    00454 } OGRSTLabelParam;
    00455
    00456 /* ------------------------------------------------------------------- */
    00457 /*                        Version checking                             */
    00458 /* -------------------------------------------------------------------- */
    00459
    00460 /* Note to developers : please keep this section in sync with gdal.h */
    00461
    00462 #ifndef GDAL_VERSION_INFO_DEFINED
    00463 #define GDAL_VERSION_INFO_DEFINED
    00464 const char CPL_DLL * CPL_STDCALL GDALVersionInfo( const char * );
    00465 #endif
    00466
    00467 #ifndef GDAL_CHECK_VERSION
    00468
    00480 int CPL_DLL CPL_STDCALL GDALCheckVersion( int nVersionMajor, int nVersionMinor,
    00481                                           const char* pszCallingComponentName);
    00482
    00484 #define GDAL_CHECK_VERSION(pszCallingComponentName) \
    00485  GDALCheckVersion(GDAL_VERSION_MAJOR, GDAL_VERSION_MINOR, pszCallingComponentName)
    00486
    00487 #endif
    00488
    00489 CPL_C_END
    00490
    00491 #endif /* ndef OGR_CORE_H_INCLUDED */

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