Mercurial > hg > orthanc-stone
annotate Framework/Oracle/GetOrthancImageCommand.cpp @ 1327:4f8db2d202c8 broker
OrthancSeriesProgressiveLoader now has two modes that
can be selected at object creation :
- progressive (will first load jpeg50, then jpeg90 then PAM)
- non-progressive (will directly load PAM (uncompressed))
Please note that the slice loading order remains dynamic
and depending upon the slice that the client code wishes
to extract from the volume.
| author | Benjamin Golinvaux <bgo@osimis.io> |
|---|---|
| date | Wed, 25 Mar 2020 14:34:27 +0100 |
| parents | 257f2c9a02ac |
| children | 159708a38af4 |
| 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 | |
|
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
| 746 | 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 | |
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47 static std::string GetFormatSuffix(Orthanc::PixelFormat pixelFormat) |
| 746 | 48 { |
| 49 switch (pixelFormat) | |
| 50 { | |
| 51 case Orthanc::PixelFormat_RGB24: | |
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52 return "preview"; |
| 746 | 53 |
| 54 case Orthanc::PixelFormat_Grayscale16: | |
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55 return "image-uint16"; |
| 746 | 56 |
| 57 case Orthanc::PixelFormat_SignedGrayscale16: | |
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58 return "image-int16"; |
| 746 | 59 |
| 60 default: | |
| 61 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 62 } | |
| 63 } | |
| 64 | |
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65 |
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66 void GetOrthancImageCommand::SetInstanceUri(const std::string& instance, |
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67 Orthanc::PixelFormat pixelFormat) |
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68 { |
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69 uri_ = "/instances/" + instance + "/" + GetFormatSuffix(pixelFormat); |
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70 } |
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71 |
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72 |
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73 void GetOrthancImageCommand::SetFrameUri(const std::string& instance, |
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74 unsigned int frame, |
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75 Orthanc::PixelFormat pixelFormat) |
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76 { |
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77 uri_ = ("/instances/" + instance + "/frames/" + |
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78 boost::lexical_cast<std::string>(frame) + "/" + GetFormatSuffix(pixelFormat)); |
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79 } |
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80 |
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81 |
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82 void GetOrthancImageCommand::ProcessHttpAnswer(boost::weak_ptr<IObserver> receiver, |
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83 IMessageEmitter& emitter, |
| 746 | 84 const std::string& answer, |
| 85 const HttpHeaders& answerHeaders) const | |
| 86 { | |
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87 for (HttpHeaders::const_iterator it = answerHeaders.begin(); it != answerHeaders.end(); ++it) |
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88 { |
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89 std::string key = Orthanc::Toolbox::StripSpaces(it->first); |
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90 Orthanc::Toolbox::ToLowerCase(key); |
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91 |
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92 if (key == "content-disposition" && |
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93 it->second == "filename=\"unsupported.png\"") |
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94 { |
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95 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat, |
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96 "Orthanc cannot decode this image"); |
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97 } |
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98 } |
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99 |
| 746 | 100 Orthanc::MimeType contentType = Orthanc::MimeType_Binary; |
| 101 | |
| 102 for (HttpHeaders::const_iterator it = answerHeaders.begin(); | |
| 103 it != answerHeaders.end(); ++it) | |
| 104 { | |
| 105 std::string s; | |
| 106 Orthanc::Toolbox::ToLowerCase(s, it->first); | |
| 107 | |
| 108 if (s == "content-type") | |
| 109 { | |
| 110 contentType = Orthanc::StringToMimeType(it->second); | |
| 111 break; | |
| 112 } | |
| 113 } | |
| 114 | |
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115 std::unique_ptr<Orthanc::ImageAccessor> image; |
| 746 | 116 |
| 117 switch (contentType) | |
| 118 { | |
| 119 case Orthanc::MimeType_Png: | |
| 120 { | |
| 121 image.reset(new Orthanc::PngReader); | |
| 122 dynamic_cast<Orthanc::PngReader&>(*image).ReadFromMemory(answer); | |
| 123 break; | |
| 124 } | |
| 125 | |
| 126 case Orthanc::MimeType_Pam: | |
| 127 { | |
| 128 image.reset(new Orthanc::PamReader); | |
| 129 dynamic_cast<Orthanc::PamReader&>(*image).ReadFromMemory(answer); | |
| 130 break; | |
| 131 } | |
| 132 | |
| 133 case Orthanc::MimeType_Jpeg: | |
| 134 { | |
| 135 image.reset(new Orthanc::JpegReader); | |
| 136 dynamic_cast<Orthanc::JpegReader&>(*image).ReadFromMemory(answer); | |
| 137 break; | |
| 138 } | |
| 139 | |
| 140 default: | |
| 141 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol, | |
| 142 "Unsupported HTTP Content-Type for an image: " + | |
| 143 std::string(Orthanc::EnumerationToString(contentType))); | |
| 144 } | |
| 145 | |
| 146 if (hasExpectedFormat_) | |
| 147 { | |
| 148 if (expectedFormat_ == Orthanc::PixelFormat_SignedGrayscale16 && | |
| 149 image->GetFormat() == Orthanc::PixelFormat_Grayscale16) | |
| 150 { | |
| 151 image->SetFormat(Orthanc::PixelFormat_SignedGrayscale16); | |
| 152 } | |
| 153 | |
| 154 if (expectedFormat_ != image->GetFormat()) | |
| 155 { | |
| 156 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
| 157 } | |
| 158 } | |
| 159 | |
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160 SuccessMessage message(*this, *image, contentType); |
| 746 | 161 emitter.EmitMessage(receiver, message); |
| 162 } | |
| 163 } |