gdaljp2metadata.h

00001 /******************************************************************************
00002  * $Id: gdaljp2metadata.h,v 1.4 2006/04/07 05:35:25 fwarmerdam Exp $
00003  *
00004  * Project:  GDAL 
00005  * Purpose:  JP2 Box Reader (and GMLJP2 Interpreter)
00006  * Author:   Frank Warmerdam, warmerdam@pobox.com
00007  *
00008  ******************************************************************************
00009  * Copyright (c) 2005, Frank Warmerdam <warmerdam@pobox.com>
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  * $Log: gdaljp2metadata.h,v $
00031  * Revision 1.4  2006/04/07 05:35:25  fwarmerdam
00032  * Added ReadAndParse() method, which includes worldfile reading.
00033  * Actually set HaveGeoTransform flag properly.
00034  *
00035  * Revision 1.3  2005/07/05 22:09:00  fwarmerdam
00036  * add preliminary support for MSIG boxes
00037  *
00038  * Revision 1.2  2005/05/05 20:17:15  fwarmerdam
00039  * support dictionary lookups
00040  *
00041  * Revision 1.1  2005/05/03 21:10:59  fwarmerdam
00042  * New
00043  *
00044  */
00045 
00046 #ifndef _JP2READER_H_INCLUDED 
00047 #define _JP2READER_H_INCLUDED 
00048 
00049 #include "cpl_conv.h"
00050 #include "cpl_vsi.h"
00051 #include "gdal.h"
00052 
00053 /************************************************************************/
00054 /*                              GDALJP2Box                              */
00055 /************************************************************************/
00056 
00057 class CPL_DLL GDALJP2Box
00058 {
00059 
00060     FILE        *fpVSIL;
00061 
00062     char        szBoxType[5];
00063 
00064     GIntBig     nBoxOffset;
00065     GIntBig     nBoxLength;
00066 
00067     GIntBig     nDataOffset;
00068 
00069     GByte       abyUUID[16];
00070 
00071 public:
00072                 GDALJP2Box( FILE * );
00073                 ~GDALJP2Box();
00074 
00075     int         SetOffset( GIntBig nNewOffset );
00076     int         ReadBox();
00077 
00078     int         ReadFirst();
00079     int         ReadNext();
00080 
00081     int         ReadFirstChild( GDALJP2Box *poSuperBox );
00082     int         ReadNextChild( GDALJP2Box *poSuperBox );
00083 
00084     GIntBig     GetDataLength();
00085     const char *GetType() { return szBoxType; }
00086     
00087     GByte      *ReadBoxData();
00088 
00089     int         IsSuperBox();
00090 
00091     int         DumpReadable( FILE * );
00092 
00093     FILE        *GetFILE() { return fpVSIL; }
00094 
00095     const GByte *GetUUID() { return abyUUID; }
00096 };
00097 
00098 /************************************************************************/
00099 /*                           GDALJP2Metadata                            */
00100 /************************************************************************/
00101 
00102 class CPL_DLL GDALJP2Metadata
00103 
00104 {
00105   private:
00106     void    CollectGMLData( GDALJP2Box * );
00107     int     GMLSRSLookup( const char *pszURN );
00108 
00109   public:
00110     int     bHaveGeoTransform;
00111     double  adfGeoTransform[6];
00112 
00113     char    *pszProjection;
00114 
00115     int         nGCPCount;
00116     GDAL_GCP    *pasGCPList;
00117 
00118     char   **papszGMLMetadata;
00119     
00120     int    nGeoTIFFSize;
00121     GByte  *pabyGeoTIFFData;
00122 
00123     int    nMSIGSize;
00124     GByte  *pabyMSIGData;
00125 
00126             GDALJP2Metadata();
00127            ~GDALJP2Metadata();
00128 
00129     int     ReadBoxes( FILE * fpVSIL );
00130 
00131     int     ParseJP2GeoTIFF();
00132     int     ParseMSIG();
00133     int     ParseGMLCoverageDesc();
00134 
00135     int     ReadAndParse( const char *pszFilename );
00136 };
00137 
00138 #endif /* ndef _JP2READER_H_INCLUDED */
00139 
00140 

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