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annotate OrthancFramework/Sources/DicomFormat/DicomStreamReader.cpp @ 4319:3b8a868616a8

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added DICOM_TAG_CINE_RATE
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 23 Nov 2020 12:51:39 +0100
parents 50b0c69b653a
children d9473bd5ed43
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Lesser General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Lesser General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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21
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22
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23 #include "../PrecompiledHeaders.h"
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24 #include "DicomStreamReader.h"
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25
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26 #include "../OrthancException.h"
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27
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28 #include <cassert>
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29
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30 namespace Orthanc
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31 {
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32 static bool IsNormalizationNeeded(const std::string& source,
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33 ValueRepresentation vr)
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34 {
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35 return (!source.empty() &&
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36 (source[source.size() - 1] == ' ' ||
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37 source[source.size() - 1] == '\0') &&
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38 // Normalization only applies to string-based VR
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39 (vr == ValueRepresentation_ApplicationEntity ||
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40 vr == ValueRepresentation_AgeString ||
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41 vr == ValueRepresentation_CodeString ||
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42 vr == ValueRepresentation_DecimalString ||
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43 vr == ValueRepresentation_IntegerString ||
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44 vr == ValueRepresentation_LongString ||
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45 vr == ValueRepresentation_LongText ||
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46 vr == ValueRepresentation_PersonName ||
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47 vr == ValueRepresentation_ShortString ||
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48 vr == ValueRepresentation_ShortText ||
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49 vr == ValueRepresentation_UniqueIdentifier ||
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50 vr == ValueRepresentation_UnlimitedText));
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51 }
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52
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53
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54 static void NormalizeValue(std::string& inplace,
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55 ValueRepresentation vr)
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56 {
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57 if (IsNormalizationNeeded(inplace, vr))
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58 {
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59 assert(!inplace.empty());
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60 inplace.resize(inplace.size() - 1);
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61 }
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62 }
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63
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64
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65 static uint16_t ReadUnsignedInteger16(const char* dicom,
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66 bool littleEndian)
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67 {
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68 const uint8_t* p = reinterpret_cast<const uint8_t*>(dicom);
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69
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70 if (littleEndian)
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71 {
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72 return (static_cast<uint16_t>(p[0]) |
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73 (static_cast<uint16_t>(p[1]) << 8));
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74 }
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75 else
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76 {
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77 return (static_cast<uint16_t>(p[1]) |
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78 (static_cast<uint16_t>(p[0]) << 8));
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79 }
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80 }
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81
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82
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83 static uint32_t ReadUnsignedInteger32(const char* dicom,
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84 bool littleEndian)
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85 {
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86 const uint8_t* p = reinterpret_cast<const uint8_t*>(dicom);
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87
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88 if (littleEndian)
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89 {
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90 return (static_cast<uint32_t>(p[0]) |
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91 (static_cast<uint32_t>(p[1]) << 8) |
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92 (static_cast<uint32_t>(p[2]) << 16) |
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93 (static_cast<uint32_t>(p[3]) << 24));
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94 }
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95 else
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96 {
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97 return (static_cast<uint32_t>(p[3]) |
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98 (static_cast<uint32_t>(p[2]) << 8) |
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99 (static_cast<uint32_t>(p[1]) << 16) |
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100 (static_cast<uint32_t>(p[0]) << 24));
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101 }
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102 }
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103
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104
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105 static DicomTag ReadTag(const char* dicom,
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106 bool littleEndian)
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107 {
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108 return DicomTag(ReadUnsignedInteger16(dicom, littleEndian),
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109 ReadUnsignedInteger16(dicom + 2, littleEndian));
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110 }
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111
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112
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113 static bool IsShortExplicitTag(ValueRepresentation vr)
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114 {
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115 /**
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116 * Are we in the case of Table 7.1-2? "Data Element with
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117 * Explicit VR of AE, AS, AT, CS, DA, DS, DT, FL, FD, IS, LO,
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118 * LT, PN, SH, SL, SS, ST, TM, UI, UL and US"
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119 * http://dicom.nema.org/medical/dicom/current/output/chtml/part05/chapter_7.html#sect_7.1.2
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120 **/
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121 return (vr == ValueRepresentation_ApplicationEntity /* AE */ ||
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122 vr == ValueRepresentation_AgeString /* AS */ ||
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123 vr == ValueRepresentation_AttributeTag /* AT */ ||
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124 vr == ValueRepresentation_CodeString /* CS */ ||
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125 vr == ValueRepresentation_Date /* DA */ ||
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126 vr == ValueRepresentation_DecimalString /* DS */ ||
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127 vr == ValueRepresentation_DateTime /* DT */ ||
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128 vr == ValueRepresentation_FloatingPointSingle /* FL */ ||
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129 vr == ValueRepresentation_FloatingPointDouble /* FD */ ||
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130 vr == ValueRepresentation_IntegerString /* IS */ ||
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131 vr == ValueRepresentation_LongString /* LO */ ||
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132 vr == ValueRepresentation_LongText /* LT */ ||
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133 vr == ValueRepresentation_PersonName /* PN */ ||
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diff changeset
134 vr == ValueRepresentation_ShortString /* SH */ ||
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
135 vr == ValueRepresentation_SignedLong /* SL */ ||
92a21efa5c96 reorganization of DicomStreamReader
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parents:
diff changeset
136 vr == ValueRepresentation_SignedShort /* SS */ ||
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
137 vr == ValueRepresentation_ShortText /* ST */ ||
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
138 vr == ValueRepresentation_Time /* TM */ ||
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
139 vr == ValueRepresentation_UniqueIdentifier /* UI */ ||
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
140 vr == ValueRepresentation_UnsignedLong /* UL */ ||
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
141 vr == ValueRepresentation_UnsignedShort /* US */);
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diff changeset
142 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
143
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
144
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
145 bool DicomStreamReader::IsLittleEndian() const
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
146 {
92a21efa5c96 reorganization of DicomStreamReader
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diff changeset
147 return (transferSyntax_ != DicomTransferSyntax_BigEndianExplicit);
92a21efa5c96 reorganization of DicomStreamReader
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diff changeset
148 }
92a21efa5c96 reorganization of DicomStreamReader
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diff changeset
149
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
150
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
151 void DicomStreamReader::HandlePreamble(IVisitor& visitor,
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diff changeset
152 const std::string& block)
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diff changeset
153 {
92a21efa5c96 reorganization of DicomStreamReader
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parents:
diff changeset
154 assert(block.size() == 144u);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
155 assert(reader_.GetProcessedBytes() == 144u);
92a21efa5c96 reorganization of DicomStreamReader
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diff changeset
156
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
157 /**
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158 * The "DICOM file meta information" is always encoded using
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diff changeset
159 * "Explicit VR Little Endian Transfer Syntax"
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160 * http://dicom.nema.org/medical/dicom/current/output/chtml/part10/chapter_7.html
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
161 **/
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
162 if (block[128] != 'D' ||
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
163 block[129] != 'I' ||
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
164 block[130] != 'C' ||
92a21efa5c96 reorganization of DicomStreamReader
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diff changeset
165 block[131] != 'M' ||
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
166 ReadTag(block.c_str() + 132, true) != DicomTag(0x0002, 0x0000) ||
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
167 block[136] != 'U' ||
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
168 block[137] != 'L' ||
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
169 ReadUnsignedInteger16(block.c_str() + 138, true) != 4)
92a21efa5c96 reorganization of DicomStreamReader
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parents:
diff changeset
170 {
92a21efa5c96 reorganization of DicomStreamReader
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diff changeset
171 throw OrthancException(ErrorCode_BadFileFormat);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
172 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
173
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
174 uint32_t length = ReadUnsignedInteger32(block.c_str() + 140, true);
92a21efa5c96 reorganization of DicomStreamReader
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parents:
diff changeset
175
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
176 reader_.Schedule(length);
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
177 state_ = State_MetaHeader;
92a21efa5c96 reorganization of DicomStreamReader
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diff changeset
178 }
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diff changeset
179
4221
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parents: 4220
diff changeset
180
4220
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
181 void DicomStreamReader::HandleMetaHeader(IVisitor& visitor,
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parents:
diff changeset
182 const std::string& block)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
183 {
92a21efa5c96 reorganization of DicomStreamReader
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parents:
diff changeset
184 size_t pos = 0;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
185 const char* p = block.c_str();
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
186
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
187 bool hasTransferSyntax = false;
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parents:
diff changeset
188
92a21efa5c96 reorganization of DicomStreamReader
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diff changeset
189 while (pos + 8 <= block.size())
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
190 {
92a21efa5c96 reorganization of DicomStreamReader
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parents:
diff changeset
191 DicomTag tag = ReadTag(p + pos, true);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
192
92a21efa5c96 reorganization of DicomStreamReader
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parents:
diff changeset
193 ValueRepresentation vr = StringToValueRepresentation(std::string(p + pos + 4, 2), true);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
194
92a21efa5c96 reorganization of DicomStreamReader
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diff changeset
195 if (IsShortExplicitTag(vr))
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parents:
diff changeset
196 {
92a21efa5c96 reorganization of DicomStreamReader
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diff changeset
197 uint16_t length = ReadUnsignedInteger16(p + pos + 6, true);
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parents:
diff changeset
198
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diff changeset
199 std::string value;
92a21efa5c96 reorganization of DicomStreamReader
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parents:
diff changeset
200 value.assign(p + pos + 8, length);
4221
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parents: 4220
diff changeset
201 NormalizeValue(value, vr);
4220
92a21efa5c96 reorganization of DicomStreamReader
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parents:
diff changeset
202
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
203 if (tag.GetGroup() == 0x0002)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
204 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
205 visitor.VisitMetaHeaderTag(tag, vr, value);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
206 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
207
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
208 if (tag == DICOM_TAG_TRANSFER_SYNTAX_UID)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
209 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
210 if (LookupTransferSyntax(transferSyntax_, value))
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
211 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
212 hasTransferSyntax = true;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
213 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
214 else
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
215 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
216 throw OrthancException(ErrorCode_NotImplemented, "Unsupported transfer syntax: " + value);
92a21efa5c96 reorganization of DicomStreamReader
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parents:
diff changeset
217 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
218 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
219
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
220 pos += length + 8;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
221 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
222 else if (pos + 12 <= block.size())
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
223 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
224 uint16_t reserved = ReadUnsignedInteger16(p + pos + 6, true);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
225 if (reserved != 0)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
226 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
227 break;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
228 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
229
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
230 uint32_t length = ReadUnsignedInteger32(p + pos + 8, true);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
231
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
232 if (tag.GetGroup() == 0x0002)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
233 {
4221
e4c0218b6b23 better normalization in stream reader
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parents: 4220
diff changeset
234 std::string value;
e4c0218b6b23 better normalization in stream reader
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4220
diff changeset
235 value.assign(p + pos + 12, length);
e4c0218b6b23 better normalization in stream reader
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4220
diff changeset
236 NormalizeValue(value, vr);
4220
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
237 visitor.VisitMetaHeaderTag(tag, vr, value);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
238 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
239
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
240 pos += length + 12;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
241 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
242 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
243
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
244 if (pos != block.size())
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
245 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
246 throw OrthancException(ErrorCode_BadFileFormat);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
247 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
248
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
249 if (!hasTransferSyntax)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
250 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
251 throw OrthancException(ErrorCode_BadFileFormat, "DICOM file meta-header without transfer syntax UID");
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
252 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
253
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
254 visitor.VisitTransferSyntax(transferSyntax_);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
255
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
256 reader_.Schedule(8);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
257 state_ = State_DatasetTag;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
258 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
259
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
260
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
261 void DicomStreamReader::HandleDatasetTag(const std::string& block,
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
262 const DicomTag& untilTag)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
263 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
264 static const DicomTag DICOM_TAG_SEQUENCE_ITEM(0xfffe, 0xe000);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
265 static const DicomTag DICOM_TAG_SEQUENCE_DELIMITATION_ITEM(0xfffe, 0xe00d);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
266 static const DicomTag DICOM_TAG_SEQUENCE_DELIMITATION_SEQUENCE(0xfffe, 0xe0dd);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
267
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
268 assert(block.size() == 8u);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
269
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
270 const bool littleEndian = IsLittleEndian();
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
271 DicomTag tag = ReadTag(block.c_str(), littleEndian);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
272
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
273 if (sequenceDepth_ == 0 &&
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
274 tag >= untilTag)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
275 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
276 state_ = State_Done;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
277 return;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
278 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
279
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
280 if (tag == DICOM_TAG_SEQUENCE_ITEM ||
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
281 tag == DICOM_TAG_SEQUENCE_DELIMITATION_ITEM ||
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
282 tag == DICOM_TAG_SEQUENCE_DELIMITATION_SEQUENCE)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
283 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
284 // The special sequence items are encoded like "Implicit VR"
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
285 uint32_t length = ReadUnsignedInteger32(block.c_str() + 4, littleEndian);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
286
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
287 if (tag == DICOM_TAG_SEQUENCE_ITEM)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
288 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
289 if (length == 0xffffffffu)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
290 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
291 // Undefined length: Need to loop over the tags of the nested dataset
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
292 reader_.Schedule(8);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
293 state_ = State_DatasetTag;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
294 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
295 else
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
296 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
297 // Explicit length: Can skip the full sequence at once
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
298 reader_.Schedule(length);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
299 state_ = State_DatasetValue;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
300 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
301 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
302 else if (tag == DICOM_TAG_SEQUENCE_DELIMITATION_ITEM ||
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
303 tag == DICOM_TAG_SEQUENCE_DELIMITATION_SEQUENCE)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
304 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
305 if (length != 0 ||
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
306 sequenceDepth_ == 0)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
307 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
308 throw OrthancException(ErrorCode_BadFileFormat);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
309 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
310
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
311 if (tag == DICOM_TAG_SEQUENCE_DELIMITATION_SEQUENCE)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
312 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
313 sequenceDepth_ --;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
314 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
315
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
316 reader_.Schedule(8);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
317 state_ = State_DatasetTag;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
318 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
319 else
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
320 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
321 throw OrthancException(ErrorCode_InternalError);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
322 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
323 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
324 else
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
325 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
326 ValueRepresentation vr = ValueRepresentation_Unknown;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
327
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
328 if (transferSyntax_ == DicomTransferSyntax_LittleEndianImplicit)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
329 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
330 if (sequenceDepth_ == 0)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
331 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
332 danglingTag_ = tag;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
333 danglingVR_ = vr;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
334 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
335
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
336 uint32_t length = ReadUnsignedInteger32(block.c_str() + 4, true /* little endian */);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
337 HandleDatasetExplicitLength(length);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
338 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
339 else
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
340 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
341 // This in an explicit transfer syntax
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
342
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
343 vr = StringToValueRepresentation(
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
344 std::string(block.c_str() + 4, 2), false /* ignore unknown VR */);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
345
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
346 if (vr == ValueRepresentation_Sequence)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
347 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
348 sequenceDepth_ ++;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
349 reader_.Schedule(4);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
350 state_ = State_SequenceExplicitLength;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
351 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
352 else if (IsShortExplicitTag(vr))
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
353 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
354 uint16_t length = ReadUnsignedInteger16(block.c_str() + 6, littleEndian);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
355
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
356 reader_.Schedule(length);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
357 state_ = State_DatasetValue;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
358 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
359 else
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
360 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
361 uint16_t reserved = ReadUnsignedInteger16(block.c_str() + 6, littleEndian);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
362 if (reserved != 0)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
363 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
364 throw OrthancException(ErrorCode_BadFileFormat);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
365 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
366
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
367 reader_.Schedule(4);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
368 state_ = State_DatasetExplicitLength;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
369 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
370
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
371 if (sequenceDepth_ == 0)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
372 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
373 danglingTag_ = tag;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
374 danglingVR_ = vr;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
375 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
376 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
377 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
378 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
379
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
380
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
381 void DicomStreamReader::HandleDatasetExplicitLength(uint32_t length)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
382 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
383 if (length == 0xffffffffu)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
384 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
385 /**
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
386 * This is the case of pixel data with compressed transfer
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
387 * syntaxes. Schedule the reading of the first tag of the
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
388 * nested dataset.
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
389 * http://dicom.nema.org/medical/dicom/current/output/chtml/part05/sect_7.5.html
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
390 **/
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
391 state_ = State_DatasetTag;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
392 reader_.Schedule(8);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
393 sequenceDepth_ ++;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
394 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
395 else
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
396 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
397 reader_.Schedule(length);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
398 state_ = State_DatasetValue;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
399 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
400 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
401
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
402
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
403 void DicomStreamReader::HandleDatasetExplicitLength(const std::string& block)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
404 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
405 assert(block.size() == 4);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
406
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
407 uint32_t length = ReadUnsignedInteger32(block.c_str(), IsLittleEndian());
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
408 HandleDatasetExplicitLength(length);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
409 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
410
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
411
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
412 void DicomStreamReader::HandleSequenceExplicitLength(const std::string& block)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
413 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
414 assert(block.size() == 4);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
415
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
416 uint32_t length = ReadUnsignedInteger32(block.c_str(), IsLittleEndian());
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
417 if (length == 0xffffffffu)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
418 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
419 state_ = State_DatasetTag;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
420 reader_.Schedule(8);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
421 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
422 else
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
423 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
424 reader_.Schedule(length);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
425 state_ = State_SequenceExplicitValue;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
426 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
427 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
428
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
429
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
430 void DicomStreamReader::HandleSequenceExplicitValue()
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
431 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
432 if (sequenceDepth_ == 0)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
433 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
434 throw OrthancException(ErrorCode_InternalError);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
435 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
436
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
437 sequenceDepth_ --;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
438
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
439 state_ = State_DatasetTag;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
440 reader_.Schedule(8);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
441 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
442
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
443
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
444 void DicomStreamReader::HandleDatasetValue(IVisitor& visitor,
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
445 const std::string& block)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
446 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
447 if (sequenceDepth_ == 0)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
448 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
449 bool c;
4221
e4c0218b6b23 better normalization in stream reader
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4220
diff changeset
450
e4c0218b6b23 better normalization in stream reader
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4220
diff changeset
451 if (IsNormalizationNeeded(block, danglingVR_))
4220
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
452 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
453 std::string s(block.begin(), block.end() - 1);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
454 c = visitor.VisitDatasetTag(danglingTag_, danglingVR_, s, IsLittleEndian());
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
455 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
456 else
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
457 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
458 c = visitor.VisitDatasetTag(danglingTag_, danglingVR_, block, IsLittleEndian());
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
459 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
460
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
461 if (!c)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
462 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
463 state_ = State_Done;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
464 return;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
465 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
466 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
467
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
468 reader_.Schedule(8);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
469 state_ = State_DatasetTag;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
470 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
471
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
472
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
473 DicomStreamReader::DicomStreamReader(std::istream& stream) :
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
474 reader_(stream),
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
475 state_(State_Preamble),
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
476 transferSyntax_(DicomTransferSyntax_LittleEndianImplicit), // Dummy
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
477 danglingTag_(0x0000, 0x0000), // Dummy
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
478 danglingVR_(ValueRepresentation_Unknown), // Dummy
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
479 sequenceDepth_(0)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
480 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
481 reader_.Schedule(128 /* empty header */ +
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
482 4 /* "DICM" magic value */ +
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
483 4 /* (0x0002, 0x0000) tag */ +
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
484 2 /* value representation of (0x0002, 0x0000) == "UL" */ +
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
485 2 /* length of "UL" value == 4 */ +
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
486 4 /* actual length of the meta-header */);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
487 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
488
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
489
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
490 void DicomStreamReader::Consume(IVisitor& visitor,
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
491 const DicomTag& untilTag)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
492 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
493 while (state_ != State_Done)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
494 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
495 std::string block;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
496 if (reader_.Read(block))
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
497 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
498 switch (state_)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
499 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
500 case State_Preamble:
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
501 HandlePreamble(visitor, block);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
502 break;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
503
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
504 case State_MetaHeader:
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
505 HandleMetaHeader(visitor, block);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
506 break;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
507
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
508 case State_DatasetTag:
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
509 HandleDatasetTag(block, untilTag);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
510 break;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
511
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
512 case State_DatasetExplicitLength:
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
513 HandleDatasetExplicitLength(block);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
514 break;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
515
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
516 case State_SequenceExplicitLength:
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
517 HandleSequenceExplicitLength(block);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
518 break;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
519
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
520 case State_SequenceExplicitValue:
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
521 HandleSequenceExplicitValue();
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
522 break;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
523
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
524 case State_DatasetValue:
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
525 HandleDatasetValue(visitor, block);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
526 break;
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
527
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
528 default:
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
529 throw OrthancException(ErrorCode_InternalError);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
530 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
531 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
532 else
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
533 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
534 return; // No more data in the stream
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
535 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
536 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
537 }
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
538
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
539
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
540 void DicomStreamReader::Consume(IVisitor& visitor)
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
541 {
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
542 DicomTag untilTag(0xffff, 0xffff);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
543 Consume(visitor, untilTag);
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
544 }
4277
c5ca798b158a CheckOrthancFrameworkSymbols.py
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4222
diff changeset
545
c5ca798b158a CheckOrthancFrameworkSymbols.py
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4222
diff changeset
546
c5ca798b158a CheckOrthancFrameworkSymbols.py
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4222
diff changeset
547 bool DicomStreamReader::IsDone() const
c5ca798b158a CheckOrthancFrameworkSymbols.py
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4222
diff changeset
548 {
c5ca798b158a CheckOrthancFrameworkSymbols.py
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4222
diff changeset
549 return (state_ == State_Done);
c5ca798b158a CheckOrthancFrameworkSymbols.py
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4222
diff changeset
550 }
c5ca798b158a CheckOrthancFrameworkSymbols.py
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4222
diff changeset
551
c5ca798b158a CheckOrthancFrameworkSymbols.py
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4222
diff changeset
552
c5ca798b158a CheckOrthancFrameworkSymbols.py
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4222
diff changeset
553 uint64_t DicomStreamReader::GetProcessedBytes() const
c5ca798b158a CheckOrthancFrameworkSymbols.py
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4222
diff changeset
554 {
c5ca798b158a CheckOrthancFrameworkSymbols.py
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4222
diff changeset
555 return reader_.GetProcessedBytes();
c5ca798b158a CheckOrthancFrameworkSymbols.py
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4222
diff changeset
556 }
4220
92a21efa5c96 reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
557 }