1 /*M///////////////////////////////////////////////////////////////////////////////////////
2 //
3 //  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
4 //
5 //  By downloading, copying, installing or using the software you agree to this license.
6 //  If you do not agree to this license, do not download, install,
7 //  copy or use the software.
8 //
9 //
10 //                        Intel License Agreement
11 //                For Open Source Computer Vision Library
12 //
13 // Copyright (C) 2000, Intel Corporation, all rights reserved.
14 // Third party copyrights are property of their respective owners.
15 //
16 // Redistribution and use in source and binary forms, with or without modification,
17 // are permitted provided that the following conditions are met:
18 //
19 //   * Redistribution's of source code must retain the above copyright notice,
20 //     this list of conditions and the following disclaimer.
21 //
22 //   * Redistribution's in binary form must reproduce the above copyright notice,
23 //     this list of conditions and the following disclaimer in the documentation
24 //     and/or other materials provided with the distribution.
25 //
26 //   * The name of Intel Corporation may not be used to endorse or promote products
27 //     derived from this software without specific prior written permission.
28 //
29 // This software is provided by the copyright holders and contributors "as is" and
30 // any express or implied warranties, including, but not limited to, the implied
31 // warranties of merchantability and fitness for a particular purpose are disclaimed.
32 // In no event shall the Intel Corporation or contributors be liable for any direct,
33 // indirect, incidental, special, exemplary, or consequential damages
34 // (including, but not limited to, procurement of substitute goods or services;
35 // loss of use, data, or profits; or business interruption) however caused
36 // and on any theory of liability, whether in contract, strict liability,
37 // or tort (including negligence or otherwise) arising in any way out of
38 // the use of this software, even if advised of the possibility of such damage.
39 //
40 //M*/
41 
42 #ifndef _GRFMT_JASPER_H_
43 #define _GRFMT_JASPER_H_
44 
45 #ifdef HAVE_JASPER
46 
47 #ifdef WIN32
48 #define JAS_WIN_MSVC_BUILD 1
49 #endif
50 
51 #include <jasper/jasper.h>
52 // FIXME bad hack
53 #undef uchar
54 #undef ulong
55 #include "grfmt_base.h"
56 
57 
58 /* libpng version only */
59 
60 class GrFmtJpeg2000Reader : public GrFmtReader
61 {
62 public:
63 
64     GrFmtJpeg2000Reader( const char* filename );
65     ~GrFmtJpeg2000Reader();
66 
67     bool  CheckFormat( const char* signature );
68     bool  ReadData( uchar* data, int step, int color );
69     bool  ReadHeader();
70     void  Close();
71 
72 protected:
73     bool  ReadComponent8u( uchar *data, jas_matrix_t *buffer, int step, int cmpt,
74                            int maxval, int offset, int ncmpts );
75     bool  ReadComponent16u( unsigned short *data, jas_matrix_t *buffer, int step, int cmpt,
76                             int maxval, int offset, int ncmpts );
77 
78     jas_stream_t *m_stream;
79     jas_image_t  *m_image;
80 };
81 
82 
83 class GrFmtJpeg2000Writer : public GrFmtWriter
84 {
85 public:
86 
87     GrFmtJpeg2000Writer( const char* filename );
88     ~GrFmtJpeg2000Writer();
89 
90     bool  IsFormatSupported( int depth );
91     bool  WriteImage( const uchar* data, int step,
92                       int width, int height, int depth, int channels );
93 protected:
94     bool  WriteComponent8u( jas_image_t *img, const uchar *data,
95                             int step, int ncmpts, int w, int h );
96     bool  WriteComponent16u( jas_image_t *img, const unsigned short *data,
97                              int step, int ncmpts, int w, int h );
98 };
99 
100 
101 // PNG filter factory
102 class GrFmtJpeg2000 : public GrFmtFilterFactory
103 {
104 public:
105 
106     GrFmtJpeg2000();
107     ~GrFmtJpeg2000();
108 
109     GrFmtReader* NewReader( const char* filename );
110     GrFmtWriter* NewWriter( const char* filename );
111 };
112 
113 #endif
114 
115 #endif/*_GRFMT_JASPER_H_*/
116