Mercurial > hg > orthanc-stone
annotate Framework/Oracle/GetOrthancImageCommand.cpp @ 1135:a0a33e5ea5bb broker
IOracleCommand::Clone()
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 06 Nov 2019 17:34:58 +0100 |
parents | 87fbeb823375 |
children | 78b8bfe154bc |
rev | line source |
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746 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2019 Osimis S.A., Belgium | |
6 * | |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
22 #include "GetOrthancImageCommand.h" | |
23 | |
24 #include <Core/Images/JpegReader.h> | |
25 #include <Core/Images/PamReader.h> | |
26 #include <Core/Images/PngReader.h> | |
27 #include <Core/OrthancException.h> | |
28 #include <Core/Toolbox.h> | |
29 | |
30 namespace OrthancStone | |
31 { | |
32 GetOrthancImageCommand::GetOrthancImageCommand() : | |
33 uri_("/"), | |
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34 timeout_(600), |
746 | 35 hasExpectedFormat_(false) |
36 { | |
37 } | |
38 | |
39 | |
40 void GetOrthancImageCommand::SetExpectedPixelFormat(Orthanc::PixelFormat format) | |
41 { | |
42 hasExpectedFormat_ = true; | |
43 expectedFormat_ = format; | |
44 } | |
45 | |
46 | |
47 void GetOrthancImageCommand::SetInstanceUri(const std::string& instance, | |
48 Orthanc::PixelFormat pixelFormat) | |
49 { | |
50 uri_ = "/instances/" + instance; | |
51 | |
52 switch (pixelFormat) | |
53 { | |
54 case Orthanc::PixelFormat_RGB24: | |
55 uri_ += "/preview"; | |
56 break; | |
57 | |
58 case Orthanc::PixelFormat_Grayscale16: | |
59 uri_ += "/image-uint16"; | |
60 break; | |
61 | |
62 case Orthanc::PixelFormat_SignedGrayscale16: | |
63 uri_ += "/image-int16"; | |
64 break; | |
65 | |
66 default: | |
67 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
68 } | |
69 } | |
70 | |
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71 |
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72 void GetOrthancImageCommand::ProcessHttpAnswer(boost::weak_ptr<IObserver> receiver, |
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73 IMessageEmitter& emitter, |
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74 const std::string& answer, |
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75 const HttpHeaders& answerHeaders) const |
746 | 76 { |
77 Orthanc::MimeType contentType = Orthanc::MimeType_Binary; | |
78 | |
79 for (HttpHeaders::const_iterator it = answerHeaders.begin(); | |
80 it != answerHeaders.end(); ++it) | |
81 { | |
82 std::string s; | |
83 Orthanc::Toolbox::ToLowerCase(s, it->first); | |
84 | |
85 if (s == "content-type") | |
86 { | |
87 contentType = Orthanc::StringToMimeType(it->second); | |
88 break; | |
89 } | |
90 } | |
91 | |
92 std::auto_ptr<Orthanc::ImageAccessor> image; | |
93 | |
94 switch (contentType) | |
95 { | |
96 case Orthanc::MimeType_Png: | |
97 { | |
98 image.reset(new Orthanc::PngReader); | |
99 dynamic_cast<Orthanc::PngReader&>(*image).ReadFromMemory(answer); | |
100 break; | |
101 } | |
102 | |
103 case Orthanc::MimeType_Pam: | |
104 { | |
105 image.reset(new Orthanc::PamReader); | |
106 dynamic_cast<Orthanc::PamReader&>(*image).ReadFromMemory(answer); | |
107 break; | |
108 } | |
109 | |
110 case Orthanc::MimeType_Jpeg: | |
111 { | |
112 image.reset(new Orthanc::JpegReader); | |
113 dynamic_cast<Orthanc::JpegReader&>(*image).ReadFromMemory(answer); | |
114 break; | |
115 } | |
116 | |
117 default: | |
118 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol, | |
119 "Unsupported HTTP Content-Type for an image: " + | |
120 std::string(Orthanc::EnumerationToString(contentType))); | |
121 } | |
122 | |
123 if (hasExpectedFormat_) | |
124 { | |
125 if (expectedFormat_ == Orthanc::PixelFormat_SignedGrayscale16 && | |
126 image->GetFormat() == Orthanc::PixelFormat_Grayscale16) | |
127 { | |
128 image->SetFormat(Orthanc::PixelFormat_SignedGrayscale16); | |
129 } | |
130 | |
131 if (expectedFormat_ != image->GetFormat()) | |
132 { | |
133 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
134 } | |
135 } | |
136 | |
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137 SuccessMessage message(*this, *image, contentType); |
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138 emitter.EmitMessage(receiver, message); |
746 | 139 } |
140 } |