OGR
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00001 /****************************************************************************** 00002 * $Id: ogrwarpedlayer.h 24633 2012-07-01 14:37:25Z rouault $ 00003 * 00004 * Project: OpenGIS Simple Features Reference Implementation 00005 * Purpose: Defines OGRWarpedLayer class 00006 * Author: Even Rouault, even dot rouault at mines dash paris dot org 00007 * 00008 ****************************************************************************** 00009 * Copyright (c) 2012, Even Rouault <even dot rouault at mines dash 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 _OGRWARPEDLAYER_H_INCLUDED 00031 #define _OGRWARPEDLAYER_H_INCLUDED 00032 00033 #include "ogrlayerdecorator.h" 00034 00035 /************************************************************************/ 00036 /* OGRWarpedLayer */ 00037 /************************************************************************/ 00038 00039 class OGRWarpedLayer : public OGRLayerDecorator 00040 { 00041 protected: 00042 OGRCoordinateTransformation *m_poCT; 00043 OGRCoordinateTransformation *m_poReversedCT; /* may be NULL */ 00044 OGRSpatialReference *m_poSRS; 00045 00046 OGREnvelope sStaticEnvelope; 00047 00048 static int ReprojectEnvelope( OGREnvelope* psEnvelope, 00049 OGRCoordinateTransformation* poCT ); 00050 00051 public: 00052 00053 OGRWarpedLayer(OGRLayer* poDecoratedLayer, 00054 int bTakeOwnership, 00055 OGRCoordinateTransformation* poCT, /* must NOT be NULL, ownership acquired by OGRWarpedLayer */ 00056 OGRCoordinateTransformation* poReversedCT /* may be NULL, ownership acquired by OGRWarpedLayer */); 00057 virtual ~OGRWarpedLayer(); 00058 00059 void SetExtent(double dfXMin, double dfYMin, double dfXMax, double dfYMax); 00060 00061 virtual void SetSpatialFilter( OGRGeometry * ); 00062 virtual void SetSpatialFilterRect( double dfMinX, double dfMinY, 00063 double dfMaxX, double dfMaxY ); 00064 00065 virtual OGRFeature *GetNextFeature(); 00066 virtual OGRFeature *GetFeature( long nFID ); 00067 virtual OGRErr SetFeature( OGRFeature *poFeature ); 00068 virtual OGRErr CreateFeature( OGRFeature *poFeature ); 00069 00070 virtual OGRSpatialReference *GetSpatialRef(); 00071 00072 virtual int GetFeatureCount( int bForce = TRUE ); 00073 virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce = TRUE); 00074 00075 virtual int TestCapability( const char * ); 00076 }; 00077 00078 #endif // _OGRWARPEDLAYER_H_INCLUDED