1 : /******************************************************************************
2 : * $Id: gdaljp2metadata.h 11873 2007-08-11 17:37:43Z mloskot $
3 : *
4 : * Project: GDAL
5 : * Purpose: JP2 Box Reader (and GMLJP2 Interpreter)
6 : * Author: Frank Warmerdam, warmerdam@pobox.com
7 : *
8 : ******************************************************************************
9 : * Copyright (c) 2005, Frank Warmerdam <warmerdam@pobox.com>
10 : *
11 : * Permission is hereby granted, free of charge, to any person obtaining a
12 : * copy of this software and associated documentation files (the "Software"),
13 : * to deal in the Software without restriction, including without limitation
14 : * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15 : * and/or sell copies of the Software, and to permit persons to whom the
16 : * Software is furnished to do so, subject to the following conditions:
17 : *
18 : * The above copyright notice and this permission notice shall be included
19 : * in all copies or substantial portions of the Software.
20 : *
21 : * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22 : * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 : * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24 : * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 : * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26 : * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27 : * DEALINGS IN THE SOFTWARE.
28 : ****************************************************************************/
29 :
30 : #ifndef GDAL_JP2READER_H_INCLUDED
31 : #define GDAL_JP2READER_H_INCLUDED
32 :
33 : #include "cpl_conv.h"
34 : #include "cpl_vsi.h"
35 : #include "gdal.h"
36 :
37 : /************************************************************************/
38 : /* GDALJP2Box */
39 : /************************************************************************/
40 :
41 : class CPL_DLL GDALJP2Box
42 : {
43 :
44 : FILE *fpVSIL;
45 :
46 : char szBoxType[5];
47 :
48 : GIntBig nBoxOffset;
49 : GIntBig nBoxLength;
50 :
51 : GIntBig nDataOffset;
52 :
53 : GByte abyUUID[16];
54 :
55 : GByte *pabyData;
56 :
57 : public:
58 : GDALJP2Box( FILE * = NULL );
59 : ~GDALJP2Box();
60 :
61 : int SetOffset( GIntBig nNewOffset );
62 : int ReadBox();
63 :
64 : int ReadFirst();
65 : int ReadNext();
66 :
67 : int ReadFirstChild( GDALJP2Box *poSuperBox );
68 : int ReadNextChild( GDALJP2Box *poSuperBox );
69 :
70 : GIntBig GetDataLength();
71 1644 : const char *GetType() { return szBoxType; }
72 :
73 : GByte *ReadBoxData();
74 :
75 : int IsSuperBox();
76 :
77 : int DumpReadable( FILE * );
78 :
79 34 : FILE *GetFILE() { return fpVSIL; }
80 :
81 62 : const GByte *GetUUID() { return abyUUID; }
82 :
83 : // write support
84 : void SetType( const char * );
85 : void SetWritableData( int nLength, const GByte *pabyData );
86 32 : const GByte*GetWritableData() { return pabyData; }
87 :
88 : // factory methods.
89 : static GDALJP2Box *CreateAsocBox( int nCount, GDALJP2Box **papoBoxes );
90 : static GDALJP2Box *CreateLblBox( const char *pszLabel );
91 : static GDALJP2Box *CreateLabelledXMLAssoc( const char *pszLabel,
92 : const char *pszXML );
93 : static GDALJP2Box *CreateUUIDBox( const GByte *pabyUUID,
94 : int nDataSize, GByte *pabyData );
95 : };
96 :
97 : /************************************************************************/
98 : /* GDALJP2Metadata */
99 : /************************************************************************/
100 :
101 : class CPL_DLL GDALJP2Metadata
102 :
103 : {
104 : private:
105 : void CollectGMLData( GDALJP2Box * );
106 : int GMLSRSLookup( const char *pszURN );
107 :
108 : int nGeoTIFFSize;
109 : GByte *pabyGeoTIFFData;
110 :
111 : int nMSIGSize;
112 : GByte *pabyMSIGData;
113 :
114 : public:
115 : char **papszGMLMetadata;
116 :
117 : int bHaveGeoTransform;
118 : double adfGeoTransform[6];
119 :
120 : char *pszProjection;
121 :
122 : int nGCPCount;
123 : GDAL_GCP *pasGCPList;
124 :
125 : public:
126 : GDALJP2Metadata();
127 : ~GDALJP2Metadata();
128 :
129 : int ReadBoxes( FILE * fpVSIL );
130 :
131 : int ParseJP2GeoTIFF();
132 : int ParseMSIG();
133 : int ParseGMLCoverageDesc();
134 :
135 : int ReadAndParse( const char *pszFilename );
136 :
137 : // Write oriented.
138 : void SetProjection( const char *pszWKT );
139 : void SetGeoTransform( double * );
140 : void SetGCPs( int, const GDAL_GCP * );
141 :
142 : GDALJP2Box *CreateJP2GeoTIFF();
143 : GDALJP2Box *CreateGMLJP2( int nXSize, int nYSize );
144 : };
145 :
146 : #endif /* ndef GDAL_JP2READER_H_INCLUDED */
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