Mercurial > hg > orthanc-stone
annotate Framework/Oracle/GetOrthancImageCommand.cpp @ 1134:87fbeb823375 broker
allocating messages from oracle commands on the stack
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 06 Nov 2019 15:16:45 +0100 |
| parents | 17660df24c36 |
| children | a0a33e5ea5bb |
| rev | line source |
|---|---|
| 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) |
| 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 } |