Mercurial > hg > orthanc

annotate Core/DicomFormat/DicomIntegerPixelAccessor.cpp @ 800:ecedd89055db

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
generation of DICOM images from PNG files
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 06 May 2014 16:33:40 +0200
parents 2d0a347e8cfc
children a811bdf8b8eb
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
1 /**
62
a70bb32802ae renaming Server
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 57
diff changeset
2 * Orthanc - A Lightweight, RESTful DICOM Store
689
2d0a347e8cfc switch to 2014
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 627
diff changeset
3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
4 * Belgium
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
5 *
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
6 * This program is free software: you can redistribute it and/or
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
7 * modify it under the terms of the GNU General Public License as
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
8 * published by the Free Software Foundation, either version 3 of the
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
9 * License, or (at your option) any later version.
136
fe180eae201d openssl exception
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 107
diff changeset
10 *
fe180eae201d openssl exception
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 107
diff changeset
11 * In addition, as a special exception, the copyright holders of this
fe180eae201d openssl exception
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 107
diff changeset
12 * program give permission to link the code of its release with the
fe180eae201d openssl exception
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 107
diff changeset
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
fe180eae201d openssl exception
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 107
diff changeset
14 * that use the same license as the "OpenSSL" library), and distribute
fe180eae201d openssl exception
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 107
diff changeset
15 * the linked executables. You must obey the GNU General Public License
fe180eae201d openssl exception
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 107
diff changeset
16 * in all respects for all of the code used other than "OpenSSL". If you
fe180eae201d openssl exception
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 107
diff changeset
17 * modify file(s) with this exception, you may extend this exception to
fe180eae201d openssl exception
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 107
diff changeset
18 * your version of the file(s), but you are not obligated to do so. If
fe180eae201d openssl exception
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 107
diff changeset
19 * you do not wish to do so, delete this exception statement from your
fe180eae201d openssl exception
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 107
diff changeset
20 * version. If you delete this exception statement from all source files
fe180eae201d openssl exception
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 107
diff changeset
21 * in the program, then also delete it here.
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
22 *
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
23 * This program is distributed in the hope that it will be useful, but
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
24 * WITHOUT ANY WARRANTY; without even the implied warranty of
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
26 * General Public License for more details.
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
27 *
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
28 * You should have received a copy of the GNU General Public License
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
30 **/
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
31
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
32
6
9d483cf71d17 fix warnings
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2
diff changeset
33 #ifndef NOMINMAX
2
67a6978503b7 fixing Windows build
Jodogne@Laptop
parents: 0
diff changeset
34 #define NOMINMAX
6
9d483cf71d17 fix warnings
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2
diff changeset
35 #endif
9d483cf71d17 fix warnings
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2
diff changeset
36
627
b8f738685ad2 fix for visual studio
jodogne
parents: 537
diff changeset
37 #include "DicomIntegerPixelAccessor.h"
b8f738685ad2 fix for visual studio
jodogne
parents: 537
diff changeset
38
79
297bad4e1019 refactoring
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 78
diff changeset
39 #include "../OrthancException.h"
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
40 #include <boost/lexical_cast.hpp>
2
67a6978503b7 fixing Windows build
Jodogne@Laptop
parents: 0
diff changeset
41 #include <limits>
107
3b45473c0a73 replace boost::locale with iconv for debian
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 80
diff changeset
42 #include <cassert>
368
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
43 #include <stdio.h>
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
44
62
a70bb32802ae renaming Server
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 57
diff changeset
45 namespace Orthanc
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
46 {
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
47 DicomIntegerPixelAccessor::DicomIntegerPixelAccessor(const DicomMap& values,
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
48 const void* pixelData,
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
49 size_t size) :
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
50 pixelData_(pixelData),
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
51 size_(size)
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
52 {
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
53 unsigned int bitsAllocated;
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
54 unsigned int bitsStored;
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
55 unsigned int highBit;
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
56 unsigned int pixelRepresentation;
368
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
57 planarConfiguration_ = 0;
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
58
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
59 try
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
60 {
800
ecedd89055db generation of DICOM images from PNG files
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
61 width_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_COLUMNS).AsString());
ecedd89055db generation of DICOM images from PNG files
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
62 height_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_ROWS).AsString());
ecedd89055db generation of DICOM images from PNG files
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
63 samplesPerPixel_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_SAMPLES_PER_PIXEL).AsString());
ecedd89055db generation of DICOM images from PNG files
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
64 bitsAllocated = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_BITS_ALLOCATED).AsString());
ecedd89055db generation of DICOM images from PNG files
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
65 bitsStored = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_BITS_STORED).AsString());
ecedd89055db generation of DICOM images from PNG files
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
66 highBit = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_HIGH_BIT).AsString());
ecedd89055db generation of DICOM images from PNG files
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
67 pixelRepresentation = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_PIXEL_REPRESENTATION).AsString());
368
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
68
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
69 if (samplesPerPixel_ > 1)
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
70 {
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
71 // The "Planar Configuration" is only set when "Samples per Pixels" is greater than 1
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
72 // https://www.dabsoft.ch/dicom/3/C.7.6.3.1.3/
800
ecedd89055db generation of DICOM images from PNG files
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
73 planarConfiguration_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_PLANAR_CONFIGURATION).AsString());
368
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
74 }
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
75 }
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
76 catch (boost::bad_lexical_cast)
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
77 {
62
a70bb32802ae renaming Server
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 57
diff changeset
78 throw OrthancException(ErrorCode_NotImplemented);
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
79 }
368
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
80 catch (OrthancException)
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
81 {
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
82 throw OrthancException(ErrorCode_NotImplemented);
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
83 }
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
84
53
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
85 frame_ = 0;
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
86 try
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
87 {
80
6212bf978584 status of series
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 79
diff changeset
88 numberOfFrames_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_NUMBER_OF_FRAMES).AsString());
53
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
89 }
62
a70bb32802ae renaming Server
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 57
diff changeset
90 catch (OrthancException)
53
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
91 {
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
92 // If the tag "NumberOfFrames" is absent, assume there is a single frame
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
93 numberOfFrames_ = 1;
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
94 }
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
95 catch (boost::bad_lexical_cast)
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
96 {
62
a70bb32802ae renaming Server
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 57
diff changeset
97 throw OrthancException(ErrorCode_NotImplemented);
53
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
98 }
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
99
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
100 if ((bitsAllocated != 8 && bitsAllocated != 16 &&
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
101 bitsAllocated != 24 && bitsAllocated != 32) ||
368
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
102 numberOfFrames_ == 0 ||
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
103 (planarConfiguration_ != 0 && planarConfiguration_ != 1))
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
104 {
62
a70bb32802ae renaming Server
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 57
diff changeset
105 throw OrthancException(ErrorCode_NotImplemented);
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
106 }
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
107
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
108 if (bitsAllocated > 32 ||
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
109 bitsStored >= 32)
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
110 {
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
111 // Not available, as the accessor internally uses int32_t values
62
a70bb32802ae renaming Server
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 57
diff changeset
112 throw OrthancException(ErrorCode_NotImplemented);
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
113 }
53
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
114
369
4632a044746e simplification of the code
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 368
diff changeset
115 if (samplesPerPixel_ == 0)
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
116 {
62
a70bb32802ae renaming Server
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 57
diff changeset
117 throw OrthancException(ErrorCode_NotImplemented);
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
118 }
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
119
368
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
120 bytesPerPixel_ = bitsAllocated / 8;
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
121 shift_ = highBit + 1 - bitsStored;
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
122 frameOffset_ = height_ * width_ * bytesPerPixel_ * samplesPerPixel_;
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
123
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
124 if (numberOfFrames_ * frameOffset_ > size)
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
125 {
319
760d0f32cb34 PMSCT_RLE1
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 136
diff changeset
126 throw OrthancException(ErrorCode_BadFileFormat);
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
127 }
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
128
53
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
129 /*printf("%d %d %d %d %d %d %d %d\n", width_, height_, samplesPerPixel_, bitsAllocated,
368
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
130 bitsStored, highBit, pixelRepresentation, numberOfFrames_);*/
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
131
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
132 if (pixelRepresentation)
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
133 {
537
2890721b0f57 comment
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 465
diff changeset
134 // Pixels are signed
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
135 mask_ = (1 << (bitsStored - 1)) - 1;
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
136 signMask_ = (1 << (bitsStored - 1));
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
137 }
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
138 else
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
139 {
537
2890721b0f57 comment
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 465
diff changeset
140 // Pixels are unsigned
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
141 mask_ = (1 << bitsStored) - 1;
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
142 signMask_ = 0;
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
143 }
53
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
144
368
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
145 if (planarConfiguration_ == 0)
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
146 {
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
147 /**
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
148 * The sample values for the first pixel are followed by the
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
149 * sample values for the second pixel, etc. For RGB images, this
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
150 * means the order of the pixel values sent shall be R1, G1, B1,
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
151 * R2, G2, B2, ..., etc.
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
152 **/
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
153 rowOffset_ = width_ * bytesPerPixel_ * samplesPerPixel_;
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
154 }
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
155 else
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
156 {
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
157 /**
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
158 * Each color plane shall be sent contiguously. For RGB images,
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
159 * this means the order of the pixel values sent is R1, R2, R3,
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
160 * ..., G1, G2, G3, ..., B1, B2, B3, etc.
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
161 **/
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
162 rowOffset_ = width_ * bytesPerPixel_;
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
163 }
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
164 }
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
165
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
166
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
167 void DicomIntegerPixelAccessor::GetExtremeValues(int32_t& min,
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
168 int32_t& max) const
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
169 {
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
170 if (height_ == 0 || width_ == 0)
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
171 {
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
172 min = max = 0;
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
173 return;
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
174 }
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
175
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
176 min = std::numeric_limits<int32_t>::max();
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
177 max = std::numeric_limits<int32_t>::min();
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
178
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
179 for (unsigned int y = 0; y < height_; y++)
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
180 {
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
181 for (unsigned int x = 0; x < width_; x++)
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
182 {
368
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
183 for (unsigned int c = 0; c < GetChannelCount(); c++)
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
184 {
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
185 int32_t v = GetValue(x, y);
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
186 if (v < min)
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
187 min = v;
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
188 if (v > max)
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
189 max = v;
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
190 }
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
191 }
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
192 }
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
193 }
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
194
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
195
368
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
196 int32_t DicomIntegerPixelAccessor::GetValue(unsigned int x,
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
197 unsigned int y,
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
198 unsigned int channel) const
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
199 {
368
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
200 assert(x < width_ && y < height_ && channel < samplesPerPixel_);
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
201
53
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
202 const uint8_t* pixel = reinterpret_cast<const uint8_t*>(pixelData_) +
368
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
203 y * rowOffset_ + frame_ * frameOffset_;
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
204
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
205 // https://www.dabsoft.ch/dicom/3/C.7.6.3.1.3/
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
206 if (planarConfiguration_ == 0)
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
207 {
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
208 /**
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
209 * The sample values for the first pixel are followed by the
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
210 * sample values for the second pixel, etc. For RGB images, this
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
211 * means the order of the pixel values sent shall be R1, G1, B1,
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
212 * R2, G2, B2, ..., etc.
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
213 **/
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
214 pixel += channel * bytesPerPixel_ + x * samplesPerPixel_ * bytesPerPixel_;
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
215 }
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
216 else
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
217 {
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
218 /**
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
219 * Each color plane shall be sent contiguously. For RGB images,
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
220 * this means the order of the pixel values sent is R1, R2, R3,
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
221 * ..., G1, G2, G3, ..., B1, B2, B3, etc.
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
222 **/
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
223 assert(frameOffset_ % samplesPerPixel_ == 0);
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
224 pixel += channel * frameOffset_ / samplesPerPixel_ + x * bytesPerPixel_;
80011cd589e6 support of rgb images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 319
diff changeset
225 }
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
226
464
5987dd8e0776 fix reading signed values in dicom
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 398
diff changeset
227 uint32_t v;
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
228 v = pixel[0];
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
229 if (bytesPerPixel_ >= 2)
464
5987dd8e0776 fix reading signed values in dicom
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 398
diff changeset
230 v = v + (static_cast<uint32_t>(pixel[1]) << 8);
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
231 if (bytesPerPixel_ >= 3)
464
5987dd8e0776 fix reading signed values in dicom
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 398
diff changeset
232 v = v + (static_cast<uint32_t>(pixel[2]) << 16);
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
233 if (bytesPerPixel_ >= 4)
464
5987dd8e0776 fix reading signed values in dicom
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 398
diff changeset
234 v = v + (static_cast<uint32_t>(pixel[3]) << 24);
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
235
464
5987dd8e0776 fix reading signed values in dicom
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 398
diff changeset
236 v = v >> shift_;
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
237
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
238 if (v & signMask_)
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
239 {
464
5987dd8e0776 fix reading signed values in dicom
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 398
diff changeset
240 // Signed value
465
7a966b440f19 signed images to PNG
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 464
diff changeset
241 // http://en.wikipedia.org/wiki/Two%27s_complement#Subtraction_from_2N
7a966b440f19 signed images to PNG
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 464
diff changeset
242 return -static_cast<int32_t>(mask_) + static_cast<int32_t>(v & mask_) - 1;
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
243 }
464
5987dd8e0776 fix reading signed values in dicom
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 398
diff changeset
244 else
5987dd8e0776 fix reading signed values in dicom
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 398
diff changeset
245 {
5987dd8e0776 fix reading signed values in dicom
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 398
diff changeset
246 // Unsigned value
5987dd8e0776 fix reading signed values in dicom
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 398
diff changeset
247 return static_cast<int32_t>(v & mask_);
5987dd8e0776 fix reading signed values in dicom
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 398
diff changeset
248 }
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
249 }
53
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
250
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
251
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
252 void DicomIntegerPixelAccessor::SetCurrentFrame(unsigned int frame)
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
253 {
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
254 if (frame >= numberOfFrames_)
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
255 {
62
a70bb32802ae renaming Server
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 57
diff changeset
256 throw OrthancException(ErrorCode_ParameterOutOfRange);
53
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
257 }
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
258
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
259 frame_ = frame;
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
260 }
293038baf8f1 access to multi-frame images
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 50
diff changeset
261
0
3959d33612cc initial commit
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
262 }