Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Scene2DViewport/LayerHolder.cpp @ 1601:1704341bb96e
fix
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 28 Oct 2020 15:46:25 +0100 |
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children | 874e178f34e9 |
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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) 2017-2020 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 Lesser 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 * Lesser 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 Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
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20 **/ |
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21 |
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22 #include "LayerHolder.h" |
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23 #include "../Scene2D/TextSceneLayer.h" |
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24 #include "../Scene2D/PolylineSceneLayer.h" |
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25 #include "../Scene2D/Scene2D.h" |
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26 #include "../Viewport/IViewport.h" |
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27 #include "../StoneException.h" |
1558 | 28 #include "ViewportController.h" |
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29 |
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30 namespace OrthancStone |
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31 { |
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32 LayerHolder::LayerHolder( |
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33 boost::shared_ptr<IViewport> viewport, |
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34 int polylineLayerCount, |
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35 int textLayerCount, |
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36 int infoTextCount) |
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37 : textLayerCount_(textLayerCount) |
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38 , polylineLayerCount_(polylineLayerCount) |
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39 , infoTextCount_(infoTextCount) |
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40 , viewport_(viewport) |
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41 , baseLayerIndex_(-1) |
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42 { |
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43 |
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44 } |
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45 |
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46 void LayerHolder::CreateLayers() |
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47 { |
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48 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); |
1308 | 49 ViewportController& controller = lock->GetController(); |
50 Scene2D& scene = controller.GetScene(); | |
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51 |
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52 assert(baseLayerIndex_ == -1); |
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53 |
1308 | 54 baseLayerIndex_ = scene.GetMaxDepth() + 100; |
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55 |
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56 for (int i = 0; i < polylineLayerCount_; ++i) |
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57 { |
1308 | 58 std::unique_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer()); |
59 scene.SetLayer(baseLayerIndex_ + i, layer.release()); | |
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60 } |
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61 |
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62 for (int i = 0; i < textLayerCount_; ++i) |
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63 { |
1308 | 64 std::unique_ptr<TextSceneLayer> layer(new TextSceneLayer()); |
65 scene.SetLayer(baseLayerIndex_ + polylineLayerCount_ + i, layer.release()); | |
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66 } |
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67 lock->Invalidate(); |
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68 } |
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69 |
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70 void LayerHolder::CreateLayersIfNeeded() |
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71 { |
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72 if (baseLayerIndex_ == -1) |
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73 CreateLayers(); |
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74 } |
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75 |
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76 bool LayerHolder::AreLayersCreated() const |
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77 { |
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78 return (baseLayerIndex_ != -1); |
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79 } |
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80 |
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81 void LayerHolder::DeleteLayersIfNeeded() |
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82 { |
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83 if (baseLayerIndex_ != -1) |
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84 DeleteLayers(); |
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85 } |
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86 |
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87 void LayerHolder::DeleteLayers() |
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88 { |
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89 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); |
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90 Scene2D& scene = lock->GetController().GetScene(); |
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91 |
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92 for (int i = 0; i < textLayerCount_ + polylineLayerCount_; ++i) |
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93 { |
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94 ORTHANC_ASSERT(scene.HasLayer(baseLayerIndex_ + i), "No layer"); |
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95 scene.DeleteLayer(baseLayerIndex_ + i); |
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96 } |
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97 baseLayerIndex_ = -1; |
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98 lock->Invalidate(); |
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99 } |
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100 |
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101 PolylineSceneLayer* LayerHolder::GetPolylineLayer(int index /*= 0*/) |
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102 { |
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103 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); |
1571 | 104 const Scene2D& scene = lock->GetController().GetScene(); |
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105 |
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106 using namespace Orthanc; |
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107 ORTHANC_ASSERT(baseLayerIndex_ != -1); |
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108 ORTHANC_ASSERT(scene.HasLayer(GetPolylineLayerIndex(index))); |
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109 ISceneLayer* layer = &(scene.GetLayer(GetPolylineLayerIndex(index))); |
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110 |
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111 PolylineSceneLayer* concreteLayer = |
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112 dynamic_cast<PolylineSceneLayer*>(layer); |
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113 |
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114 ORTHANC_ASSERT(concreteLayer != NULL); |
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115 return concreteLayer; |
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116 } |
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117 |
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118 TextSceneLayer* LayerHolder::GetTextLayer(int index /*= 0*/) |
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119 { |
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120 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); |
1571 | 121 const Scene2D& scene = lock->GetController().GetScene(); |
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122 |
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123 using namespace Orthanc; |
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124 ORTHANC_ASSERT(baseLayerIndex_ != -1); |
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125 ORTHANC_ASSERT(scene.HasLayer(GetTextLayerIndex(index))); |
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126 ISceneLayer* layer = &(scene.GetLayer(GetTextLayerIndex(index))); |
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127 |
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128 TextSceneLayer* concreteLayer = |
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129 dynamic_cast<TextSceneLayer*>(layer); |
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130 |
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131 ORTHANC_ASSERT(concreteLayer != NULL); |
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132 return concreteLayer; |
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133 } |
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134 |
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135 int LayerHolder::GetPolylineLayerIndex(int index /*= 0*/) |
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136 { |
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137 using namespace Orthanc; |
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138 ORTHANC_ASSERT(index < polylineLayerCount_); |
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139 return baseLayerIndex_ + index; |
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140 } |
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141 |
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142 int LayerHolder::GetTextLayerIndex(int index /*= 0*/) |
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143 { |
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144 using namespace Orthanc; |
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145 ORTHANC_ASSERT(index < textLayerCount_); |
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146 |
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147 // the text layers are placed right after the polyline layers |
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148 // this means they are drawn ON TOP |
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149 return baseLayerIndex_ + polylineLayerCount_ + index; |
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150 } |
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151 } |