Mercurial > hg > orthanc-stone

annotate Framework/Radiography/RadiographyScene.h @ 503:77e0eb83ff63 am-touch-events

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layers are now Observable and emitting LayerEdited messages
author amazy
date Tue, 26 Feb 2019 12:58:03 +0100
parents 64d90190a08c
children 92305ee35b1c
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1 /**
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2 * Stone of Orthanc
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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) 2017-2019 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 Affero 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 * Affero 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 Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #pragma once
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23
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24 #include "RadiographyLayer.h"
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25 #include "../Toolbox/OrthancApiClient.h"
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26 #include "Framework/StoneEnumerations.h"
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27 #include "Core/Images/Image.h"
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28 #include "Core/Images/ImageProcessing.h"
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29
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30 namespace OrthancStone
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31 {
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32 class RadiographyDicomLayer;
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33
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34 class RadiographyScene :
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35 public IObserver,
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36 public IObservable
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37 {
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38 public:
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39 class GeometryChangedMessage :
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40 public OriginMessage<MessageType_RadiographyScene_GeometryChanged, RadiographyScene>
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41 {
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42 private:
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43 RadiographyLayer& layer_;
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44
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45 public:
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46 GeometryChangedMessage(const RadiographyScene& origin,
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47 RadiographyLayer& layer) :
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48 OriginMessage(origin),
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49 layer_(layer)
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50 {
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51 }
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52
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53 RadiographyLayer& GetLayer() const
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54 {
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55 return layer_;
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56 }
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57 };
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58
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59 class ContentChangedMessage :
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60 public OriginMessage<MessageType_RadiographyScene_ContentChanged, RadiographyScene>
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61 {
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62 private:
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63 RadiographyLayer& layer_;
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64
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65 public:
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66 ContentChangedMessage(const RadiographyScene& origin,
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67 RadiographyLayer& layer) :
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68 OriginMessage(origin),
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69 layer_(layer)
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70 {
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71 }
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72
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73 RadiographyLayer& GetLayer() const
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74 {
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75 return layer_;
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76 }
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77 };
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78
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79 class LayerEditedMessage :
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80 public OriginMessage<MessageType_RadiographyScene_LayerEdited, RadiographyScene>
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81 {
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82 private:
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83 const RadiographyLayer& layer_;
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84
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85 public:
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86 LayerEditedMessage(const RadiographyScene& origin,
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87 const RadiographyLayer& layer) :
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88 OriginMessage(origin),
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89 layer_(layer)
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90 {
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91 }
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92
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93 const RadiographyLayer& GetLayer() const
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94 {
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95 return layer_;
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96 }
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97
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98 };
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99
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100 class WindowingChangedMessage :
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101 public OriginMessage<MessageType_RadiographyScene_WindowingChanged, RadiographyScene>
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102 {
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103
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104 public:
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105 WindowingChangedMessage(const RadiographyScene& origin) :
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106 OriginMessage(origin)
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107 {
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108 }
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109 };
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110
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111 class LayerAccessor : public boost::noncopyable
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112 {
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113 private:
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114 RadiographyScene& scene_;
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115 size_t index_;
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116 RadiographyLayer* layer_;
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117
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118 public:
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119 LayerAccessor(RadiographyScene& scene,
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120 size_t index);
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121
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122 LayerAccessor(RadiographyScene& scene,
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123 double x,
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124 double y);
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125
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126 void Invalidate()
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127 {
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128 layer_ = NULL;
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129 }
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130
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131 bool IsValid() const
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132 {
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133 return layer_ != NULL;
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134 }
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135
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136 RadiographyScene& GetScene() const;
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137
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138 size_t GetIndex() const;
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139
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140 RadiographyLayer& GetLayer() const;
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141 };
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142
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143
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144 protected:
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145 typedef std::map<size_t, RadiographyLayer*> Layers;
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146
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147 size_t countLayers_;
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148 bool hasWindowing_;
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149 float windowingCenter_;
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150 float windowingWidth_;
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151 Layers layers_;
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152
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153 protected:
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154 RadiographyLayer& RegisterLayer(RadiographyLayer* layer);
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155
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156 void OnTagsReceived(const OrthancApiClient::BinaryResponseReadyMessage& message);
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157
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158 void OnFrameReceived(const OrthancApiClient::BinaryResponseReadyMessage& message);
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159
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160 void OnDicomExported(const OrthancApiClient::JsonResponseReadyMessage& message);
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161
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162 void OnDicomWebReceived(const IWebService::HttpRequestSuccessMessage& message);
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163
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164 void OnLayerEdited(const RadiographyLayer::LayerEditedMessage& message);
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165 public:
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166 RadiographyScene(MessageBroker& broker);
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167
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168 virtual ~RadiographyScene();
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169
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170 bool GetWindowing(float& center,
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171 float& width) const;
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172
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173 void GetWindowingWithDefault(float& center,
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174 float& width) const;
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175
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176 void SetWindowing(float center,
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177 float width);
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178
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179 PhotometricDisplayMode GetPreferredPhotomotricDisplayMode() const;
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180
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181 RadiographyLayer& LoadText(const Orthanc::Font& font,
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182 const std::string& utf8,
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183 RadiographyLayer::Geometry* geometry);
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184
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185 RadiographyLayer& LoadTestBlock(unsigned int width,
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186 unsigned int height,
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187 RadiographyLayer::Geometry* geometry);
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188
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189 RadiographyLayer& LoadMask(const std::vector<Orthanc::ImageProcessing::ImagePoint>& corners,
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190 const RadiographyDicomLayer& dicomLayer,
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191 float foreground,
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192 RadiographyLayer::Geometry* geometry);
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193
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194 RadiographyLayer& LoadAlphaBitmap(Orthanc::ImageAccessor* bitmap, // takes ownership
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195 RadiographyLayer::Geometry* geometry);
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196
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197 virtual RadiographyLayer& LoadDicomFrame(OrthancApiClient& orthanc,
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198 const std::string& instance,
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199 unsigned int frame,
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200 bool httpCompression,
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201 RadiographyLayer::Geometry* geometry); // pass NULL if you want default geometry
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202
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203 RadiographyLayer& LoadDicomWebFrame(IWebService& web);
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204
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205 void RemoveLayer(size_t layerIndex);
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206
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207 const RadiographyLayer& GetLayer(size_t layerIndex) const;
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208
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209 template <typename TypeLayer>
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210 TypeLayer* GetLayer(size_t index = 0)
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211 {
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212 std::vector<size_t> layerIndexes;
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213 GetLayersIndexes(layerIndexes);
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214
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215 size_t count = 0;
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216
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217 for (size_t i = 0; i < layerIndexes.size(); ++i)
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218 {
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219 TypeLayer* typedLayer = dynamic_cast<TypeLayer*>(layers_[layerIndexes[i]]);
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220 if (typedLayer != NULL)
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221 {
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222 if (count == index)
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223 {
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224 return typedLayer;
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225 }
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226 count++;
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227 }
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228 }
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229
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230 return NULL;
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231 }
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232
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233 template <typename TypeLayer>
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234 const TypeLayer* GetLayer(size_t index = 0) const
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235 {
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236 std::vector<size_t> layerIndexes;
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237 GetLayersIndexes(layerIndexes);
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238
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239 size_t count = 0;
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240
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241 for (size_t i = 0; i < layerIndexes.size(); ++i)
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242 {
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243 const TypeLayer* typedLayer = dynamic_cast<const TypeLayer*>(layers_.at(layerIndexes[i]));
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244 if (typedLayer != NULL)
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245 {
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246 if (count == index)
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247 {
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248 return typedLayer;
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249 }
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250 count++;
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251 }
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252 }
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253
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254 return NULL;
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255 }
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256
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257 void GetLayersIndexes(std::vector<size_t>& output) const;
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258
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259 Extent2D GetSceneExtent() const;
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260
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261 void Render(Orthanc::ImageAccessor& buffer,
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262 const AffineTransform2D& viewTransform,
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263 ImageInterpolation interpolation) const;
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264
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265 bool LookupLayer(size_t& index /* out */,
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266 double x,
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267 double y) const;
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268
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269 void DrawBorder(CairoContext& context,
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270 unsigned int layer,
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271 double zoom);
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272
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273 void GetRange(float& minValue,
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274 float& maxValue) const;
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275
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276 // Export using PAM is faster than using PNG, but requires Orthanc
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277 // core >= 1.4.3
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278 void ExportDicom(OrthancApiClient& orthanc,
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279 const Orthanc::DicomMap& dicom,
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280 const std::string& parentOrthancId,
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281 double pixelSpacingX,
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282 double pixelSpacingY,
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283 bool invert,
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284 ImageInterpolation interpolation,
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285 bool usePam);
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286
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287 void ExportDicom(OrthancApiClient& orthanc,
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288 const Json::Value& dicomTags,
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289 const std::string& parentOrthancId,
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290 double pixelSpacingX,
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291 double pixelSpacingY,
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292 bool invert,
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293 ImageInterpolation interpolation,
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294 bool usePam);
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295
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296 void ExportToCreateDicomRequest(Json::Value& createDicomRequestContent,
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297 const Json::Value& dicomTags,
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298 const std::string& parentOrthancId,
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299 double pixelSpacingX,
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300 double pixelSpacingY,
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301 bool invert,
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302 ImageInterpolation interpolation,
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303 bool usePam);
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304
481
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305 Orthanc::Image* ExportToImage(double pixelSpacingX,
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306 double pixelSpacingY,
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307 ImageInterpolation interpolation)
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308 {
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309 return ExportToImage(pixelSpacingX, pixelSpacingY, interpolation, false, 0);
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310 }
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311
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312 Orthanc::Image* ExportToImage(double pixelSpacingX,
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313 double pixelSpacingY,
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314 ImageInterpolation interpolation,
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315 bool invert,
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316 int64_t maxValue /* for inversion */);
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317 };
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318 }