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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 //                           License Agreement
11 //                For Open Source Computer Vision Library
12 //
13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
14 // Copyright (C) 2009, Willow Garage Inc., all rights reserved.
15 // Third party copyrights are property of their respective owners.
16 //
17 // Redistribution and use in source and binary forms, with or without modification,
18 // are permitted provided that the following conditions are met:
19 //
20 //   * Redistribution's of source code must retain the above copyright notice,
21 //     this list of conditions and the following disclaimer.
22 //
23 //   * Redistribution's in binary form must reproduce the above copyright notice,
24 //     this list of conditions and the following disclaimer in the documentation
25 //     and/or other materials provided with the distribution.
26 //
27 //   * The name of the copyright holders may not be used to endorse or promote products
28 //     derived from this software without specific prior written permission.
29 //
30 // This software is provided by the copyright holders and contributors "as is" and
31 // any express or implied warranties, including, but not limited to, the implied
32 // warranties of merchantability and fitness for a particular purpose are disclaimed.
33 // In no event shall the Intel Corporation or contributors be liable for any direct,
34 // indirect, incidental, special, exemplary, or consequential damages
35 // (including, but not limited to, procurement of substitute goods or services;
36 // loss of use, data, or profits; or business interruption) however caused
37 // and on any theory of liability, whether in contract, strict liability,
38 // or tort (including negligence or otherwise) arising in any way out of
39 // the use of this software, even if advised of the possibility of such damage.
40 //
41 //M*/
42 
43 #ifndef _GRFMT_TIFF_H_
44 #define _GRFMT_TIFF_H_
45 
46 #include "grfmt_base.hpp"
47 
48 namespace cv
49 {
50 
51 // native simple TIFF codec
52 enum TiffCompression
53 {
54     TIFF_UNCOMP = 1,
55     TIFF_HUFFMAN = 2,
56     TIFF_PACKBITS = 32773
57 };
58 
59 enum TiffByteOrder
60 {
61     TIFF_ORDER_II = 0x4949,
62     TIFF_ORDER_MM = 0x4d4d
63 };
64 
65 
66 enum  TiffTag
67 {
68     TIFF_TAG_WIDTH  = 256,
69     TIFF_TAG_HEIGHT = 257,
70     TIFF_TAG_BITS_PER_SAMPLE = 258,
71     TIFF_TAG_COMPRESSION = 259,
72     TIFF_TAG_PHOTOMETRIC = 262,
73     TIFF_TAG_STRIP_OFFSETS = 273,
74     TIFF_TAG_STRIP_COUNTS = 279,
75     TIFF_TAG_SAMPLES_PER_PIXEL = 277,
76     TIFF_TAG_ROWS_PER_STRIP = 278,
77     TIFF_TAG_PLANAR_CONFIG = 284,
78     TIFF_TAG_COLOR_MAP = 320
79 };
80 
81 
82 enum TiffFieldType
83 {
84     TIFF_TYPE_BYTE = 1,
85     TIFF_TYPE_SHORT = 3,
86     TIFF_TYPE_LONG = 4
87 };
88 
89 
90 #ifdef HAVE_TIFF
91 
92 // libtiff based TIFF codec
93 
94 class TiffDecoder : public BaseImageDecoder
95 {
96 public:
97     TiffDecoder();
98     virtual ~TiffDecoder();
99 
100     bool  readHeader();
101     bool  readData( Mat& img );
102     void  close();
103     bool  nextPage();
104 
105     size_t signatureLength() const;
106     bool checkSignature( const String& signature ) const;
107     ImageDecoder newDecoder() const;
108 
109 protected:
110     void* m_tif;
111     int normalizeChannelsNumber(int channels) const;
112     bool readHdrData(Mat& img);
113     bool m_hdr;
114 };
115 
116 #endif
117 
118 // ... and writer
119 class TiffEncoder : public BaseImageEncoder
120 {
121 public:
122     TiffEncoder();
123     virtual ~TiffEncoder();
124 
125     bool isFormatSupported( int depth ) const;
126 
127     bool  write( const Mat& img, const std::vector<int>& params );
128     ImageEncoder newEncoder() const;
129 
130 protected:
131     void  writeTag( WLByteStream& strm, TiffTag tag,
132                     TiffFieldType fieldType,
133                     int count, int value );
134 
135     bool writeLibTiff( const Mat& img, const std::vector<int>& params );
136     bool writeHdr( const Mat& img );
137 };
138 
139 }
140 
141 #endif/*_GRFMT_TIFF_H_*/
142