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# 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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