Mercurial > hg > orthanc-stone
annotate Framework/Radiography/RadiographyWidget.cpp @ 1200:54cbffabdc45 broker
integration mainline->broker
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 29 Nov 2019 11:03:41 +0100 |
| parents | 8d2f1b25593c 922d2e61aa5d |
| children | 37bc7f115f81 |
| rev | line source |
|---|---|
| 413 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 439 | 5 * Copyright (C) 2017-2019 Osimis S.A., Belgium |
| 413 | 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 "RadiographyWidget.h" | |
| 23 | |
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24 #include <Core/OrthancException.h> |
| 413 | 25 #include <Core/Images/Image.h> |
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26 #include <Core/Images/ImageProcessing.h> |
| 413 | 27 |
| 492 | 28 #include "RadiographyMaskLayer.h" |
| 413 | 29 |
| 30 namespace OrthancStone | |
| 31 { | |
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32 |
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33 bool RadiographyWidget::IsInvertedInternal() const |
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34 { |
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35 // MONOCHROME1 images must be inverted and the user can invert the |
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36 // image, too -> XOR the two |
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37 return (scene_->GetPreferredPhotomotricDisplayMode() == |
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38 RadiographyPhotometricDisplayMode_Monochrome1) ^ invert_; |
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39 } |
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40 |
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41 void RadiographyWidget::RenderBackground( |
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42 Orthanc::ImageAccessor& image, float minValue, float maxValue) |
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43 { |
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44 // wipe background before rendering |
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45 float backgroundValue = minValue; |
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46 |
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47 switch (scene_->GetPreferredPhotomotricDisplayMode()) |
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48 { |
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49 case RadiographyPhotometricDisplayMode_Monochrome1: |
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50 case RadiographyPhotometricDisplayMode_Default: |
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51 if (IsInvertedInternal()) |
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52 backgroundValue = maxValue; |
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53 else |
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54 backgroundValue = minValue; |
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55 break; |
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56 case RadiographyPhotometricDisplayMode_Monochrome2: |
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57 if (IsInvertedInternal()) |
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58 backgroundValue = minValue; |
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59 else |
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60 backgroundValue = maxValue; |
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61 break; |
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62 default: |
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63 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); |
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64 } |
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65 |
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66 Orthanc::ImageProcessing::Set(image, static_cast<int64_t>(backgroundValue)); |
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67 } |
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68 |
| 413 | 69 bool RadiographyWidget::RenderInternal(unsigned int width, |
| 70 unsigned int height, | |
| 71 ImageInterpolation interpolation) | |
| 72 { | |
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73 if (floatBuffer_.get() == NULL || |
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74 floatBuffer_->GetWidth() != width || |
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75 floatBuffer_->GetHeight() != height) |
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76 { |
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77 floatBuffer_.reset(new Orthanc::Image( |
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78 Orthanc::PixelFormat_Float32, width, height, false)); |
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79 } |
| 413 | 80 |
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81 if (cairoBuffer_.get() == NULL || |
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82 cairoBuffer_->GetWidth() != width || |
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83 cairoBuffer_->GetHeight() != height) |
| 413 | 84 { |
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85 cairoBuffer_.reset(new CairoSurface(width, height, false /* no alpha */)); |
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86 } |
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87 |
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88 RenderBackground(*floatBuffer_, 0.0, 65535.0); |
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89 |
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90 scene_->Render(*floatBuffer_, GetView().GetMatrix(), interpolation, true); |
| 413 | 91 |
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92 // Conversion from Float32 to BGRA32 (cairo). Very similar to |
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93 // GrayscaleFrameRenderer => TODO MERGE? |
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94 Orthanc::ImageAccessor target; |
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95 cairoBuffer_->GetWriteableAccessor(target); |
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96 |
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97 bool invert = IsInvertedInternal(); |
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98 |
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99 for (unsigned int y = 0; y < height; y++) |
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100 { |
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101 const float* p = reinterpret_cast<const float*>(floatBuffer_->GetConstRow(y)); |
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102 uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y)); |
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103 |
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104 for (unsigned int x = 0; x < width; x++, p++, q += 4) |
| 413 | 105 { |
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106 uint8_t v = 0; |
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107 if (*p >= 65535.0) |
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108 { |
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109 v = 255; |
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110 } |
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111 else if (*p <= 0.0) |
| 413 | 112 { |
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113 v = 0; |
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114 } |
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115 else |
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116 { |
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117 v = static_cast<uint8_t>(*p / 256.0); |
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118 } |
| 413 | 119 |
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120 if (invert) |
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121 { |
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122 v = 255 - v; |
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123 } |
| 413 | 124 |
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125 q[0] = v; |
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126 q[1] = v; |
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127 q[2] = v; |
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128 q[3] = 255; |
| 413 | 129 } |
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130 } |
| 413 | 131 |
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132 return true; |
| 413 | 133 } |
| 134 | |
| 135 | |
| 136 bool RadiographyWidget::RenderScene(CairoContext& context, | |
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137 const Deprecated::ViewportGeometry& view) |
| 413 | 138 { |
| 139 cairo_t* cr = context.GetObject(); | |
| 140 | |
| 141 if (RenderInternal(context.GetWidth(), context.GetHeight(), interpolation_)) | |
| 142 { | |
| 143 // https://www.cairographics.org/FAQ/#paint_from_a_surface | |
| 144 cairo_save(cr); | |
| 145 cairo_identity_matrix(cr); | |
| 146 cairo_set_source_surface(cr, cairoBuffer_->GetObject(), 0, 0); | |
| 147 cairo_paint(cr); | |
| 148 cairo_restore(cr); | |
| 149 } | |
| 150 else | |
| 151 { | |
| 152 // https://www.cairographics.org/FAQ/#clear_a_surface | |
| 153 context.SetSourceColor(0, 0, 0); | |
| 154 cairo_paint(cr); | |
| 155 } | |
| 156 | |
| 157 if (hasSelection_) | |
| 158 { | |
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159 scene_->DrawBorder( |
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160 context, static_cast<unsigned int>(selectedLayer_), view.GetZoom()); |
| 413 | 161 } |
| 162 | |
| 163 return true; | |
| 164 } | |
| 165 | |
| 166 | |
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167 RadiographyWidget::RadiographyWidget(boost::shared_ptr<RadiographyScene> scene, |
| 413 | 168 const std::string& name) : |
| 169 WorldSceneWidget(name), | |
| 170 invert_(false), | |
| 171 interpolation_(ImageInterpolation_Nearest), | |
| 172 hasSelection_(false), | |
| 173 selectedLayer_(0) // Dummy initialization | |
| 174 { | |
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175 SetScene(scene); |
| 413 | 176 } |
| 177 | |
| 178 | |
| 179 void RadiographyWidget::Select(size_t layer) | |
| 180 { | |
| 181 hasSelection_ = true; | |
| 182 selectedLayer_ = layer; | |
| 183 } | |
| 184 | |
| 185 bool RadiographyWidget::LookupSelectedLayer(size_t& layer) | |
| 186 { | |
| 187 if (hasSelection_) | |
| 188 { | |
| 189 layer = selectedLayer_; | |
| 190 return true; | |
| 191 } | |
| 192 else | |
| 193 { | |
| 194 return false; | |
| 195 } | |
| 196 } | |
| 197 | |
| 198 | |
| 199 void RadiographyWidget::OnGeometryChanged(const RadiographyScene::GeometryChangedMessage& message) | |
| 200 { | |
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201 // LOG(INFO) << "Scene geometry has changed"; |
| 413 | 202 FitContent(); |
| 203 } | |
| 204 | |
| 205 | |
| 206 void RadiographyWidget::OnContentChanged(const RadiographyScene::ContentChangedMessage& message) | |
| 207 { | |
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208 // LOG(INFO) << "Scene content has changed"; |
| 413 | 209 NotifyContentChanged(); |
| 210 } | |
| 211 | |
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212 void RadiographyWidget::OnLayerRemoved(const RadiographyScene::LayerRemovedMessage& message) |
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213 { |
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214 size_t removedLayerIndex = message.GetLayerIndex(); |
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215 if (hasSelection_ && selectedLayer_ == removedLayerIndex) |
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216 { |
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217 Unselect(); |
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218 } |
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219 NotifyContentChanged(); |
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220 } |
| 413 | 221 |
| 222 void RadiographyWidget::SetInvert(bool invert) | |
| 223 { | |
| 224 if (invert_ != invert) | |
| 225 { | |
| 226 invert_ = invert; | |
| 227 NotifyContentChanged(); | |
| 228 } | |
| 229 } | |
| 230 | |
| 231 | |
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232 void RadiographyWidget::SwitchInvert() |
| 413 | 233 { |
| 234 invert_ = !invert_; | |
| 235 NotifyContentChanged(); | |
| 236 } | |
| 237 | |
| 238 | |
| 239 void RadiographyWidget::SetInterpolation(ImageInterpolation interpolation) | |
| 240 { | |
| 241 if (interpolation_ != interpolation) | |
| 242 { | |
| 243 interpolation_ = interpolation; | |
| 244 NotifyContentChanged(); | |
| 245 } | |
| 246 } | |
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247 |
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248 void RadiographyWidget::SetScene(boost::shared_ptr<RadiographyScene> scene) |
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249 { |
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250 scene_ = scene; |
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251 |
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252 Register<RadiographyScene::GeometryChangedMessage>(*scene_, &RadiographyWidget::OnGeometryChanged); |
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253 Register<RadiographyScene::ContentChangedMessage>(*scene_, &RadiographyWidget::OnContentChanged); |
| 1139 | 254 Register<RadiographyScene::LayerRemovedMessage>(*scene_, &RadiographyWidget::OnLayerRemoved); |
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255 |
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256 NotifyContentChanged(); |
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257 |
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258 // force redraw |
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259 FitContent(); |
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260 } |
| 413 | 261 } |