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
60class GrFmtJpeg2000Reader : public GrFmtReader
61{
62public:
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
72protected:
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
83class GrFmtJpeg2000Writer : public GrFmtWriter
84{
85public:
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 );
93protected:
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
102class GrFmtJpeg2000 : public GrFmtFilterFactory
103{
104public:
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