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# ogrlayerdecorator.h

    00001 /******************************************************************************
    00002  * $Id: ogrlayerdecorator.h 28601 2015-03-03 11:06:40Z rouault $
    00003  *
    00004  * Project:  OpenGIS Simple Features Reference Implementation
    00005  * Purpose:  Defines OGRLayerDecorator class
    00006  * Author:   Even Rouault, even dot rouault at mines dash paris dot org
    00007  *
    00008  ******************************************************************************
    00009  * Copyright (c) 2012-2013, Even Rouault <even dot rouault at mines-paris dot org>
    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 _OGRLAYERDECORATOR_H_INCLUDED
    00031 #define _OGRLAYERDECORATOR_H_INCLUDED
    00032
    00033 #include "ogrsf_frmts.h"
    00034
    00035 class CPL_DLL OGRLayerDecorator : public OGRLayer
    00036 {
    00037   protected:
    00038     OGRLayer *m_poDecoratedLayer;
    00039     int       m_bHasOwnership;
    00040
    00041   public:
    00042
    00043                        OGRLayerDecorator(OGRLayer* poDecoratedLayer,
    00044                                          int bTakeOwnership);
    00045     virtual           ~OGRLayerDecorator();
    00046
    00047     virtual OGRGeometry *GetSpatialFilter();
    00048     virtual void        SetSpatialFilter( OGRGeometry * );
    00049     virtual void        SetSpatialFilterRect( double dfMinX, double dfMinY,
    00050                                               double dfMaxX, double dfMaxY );
    00051     virtual void        SetSpatialFilter( int iGeomField, OGRGeometry * );
    00052     virtual void        SetSpatialFilterRect( int iGeomField, double dfMinX, double dfMinY,
    00053                                               double dfMaxX, double dfMaxY );
    00054
    00055     virtual OGRErr      SetAttributeFilter( const char * );
    00056
    00057     virtual void        ResetReading();
    00058     virtual OGRFeature *GetNextFeature();
    00059     virtual OGRErr      SetNextByIndex( GIntBig nIndex );
    00060     virtual OGRFeature *GetFeature( GIntBig nFID );
    00061     virtual OGRErr      ISetFeature( OGRFeature *poFeature );
    00062     virtual OGRErr      ICreateFeature( OGRFeature *poFeature );
    00063     virtual OGRErr      DeleteFeature( GIntBig nFID );
    00064
    00065     virtual const char *GetName();
    00066     virtual OGRwkbGeometryType GetGeomType();
    00067     virtual OGRFeatureDefn *GetLayerDefn();
    00068
    00069     virtual OGRSpatialReference *GetSpatialRef();
    00070
    00071     virtual GIntBig     GetFeatureCount( int bForce = TRUE );
    00072     virtual OGRErr      GetExtent(int iGeomField, OGREnvelope *psExtent, int bForce = TRUE);
    00073     virtual OGRErr      GetExtent(OGREnvelope *psExtent, int bForce = TRUE);
    00074
    00075     virtual int         TestCapability( const char * );
    00076
    00077     virtual OGRErr      CreateField( OGRFieldDefn *poField,
    00078                                      int bApproxOK = TRUE );
    00079     virtual OGRErr      DeleteField( int iField );
    00080     virtual OGRErr      ReorderFields( int* panMap );
    00081     virtual OGRErr      AlterFieldDefn( int iField, OGRFieldDefn* poNewFieldDefn, int nFlags );
    00082
    00083     virtual OGRErr      SyncToDisk();
    00084
    00085     virtual OGRStyleTable *GetStyleTable();
    00086     virtual void        SetStyleTableDirectly( OGRStyleTable *poStyleTable );
    00087
    00088     virtual void        SetStyleTable(OGRStyleTable *poStyleTable);
    00089
    00090     virtual OGRErr      StartTransaction();
    00091     virtual OGRErr      CommitTransaction();
    00092     virtual OGRErr      RollbackTransaction();
    00093
    00094     virtual const char *GetFIDColumn();
    00095     virtual const char *GetGeometryColumn();
    00096
    00097     virtual OGRErr      SetIgnoredFields( const char **papszFields );
    00098
    00099     virtual char      **GetMetadata( const char * pszDomain = "" );
    00100     virtual CPLErr      SetMetadata( char ** papszMetadata,
    00101                                      const char * pszDomain = "" );
    00102     virtual const char *GetMetadataItem( const char * pszName,
    00103                                          const char * pszDomain = "" );
    00104     virtual CPLErr      SetMetadataItem( const char * pszName,
    00105                                          const char * pszValue,
    00106                                          const char * pszDomain = "" );
    00107
    00108     OGRLayer* GetBaseLayer()    { return m_poDecoratedLayer; }
    00109 };
    00110
    00111 #endif // _OGRLAYERDECORATOR_H_INCLUDED

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