Mercurial > hg > orthanc-stone

annotate Framework/Scene2DViewport/LayerHolder.cpp @ 891:0aff28f15ea2

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new abstraction: IViewport
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 10 Jul 2019 18:18:42 +0200
parents e42b491f1fb2
children 52b1c6ff10c5
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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 #include "LayerHolder.h"
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22 #include "../Scene2D/TextSceneLayer.h"
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23 #include "../Scene2D/PolylineSceneLayer.h"
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24 #include "../Scene2D/Scene2D.h"
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25 #include "../Scene2DViewport/ViewportController.h"
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26 #include "../StoneException.h"
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27
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28 namespace OrthancStone
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29 {
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30 LayerHolder::LayerHolder(
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31 boost::weak_ptr<ViewportController> controllerW,
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32 int polylineLayerCount,
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33 int textLayerCount)
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34 : textLayerCount_(textLayerCount)
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35 , polylineLayerCount_(polylineLayerCount)
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36 , controllerW_(controllerW)
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37 , baseLayerIndex_(-1)
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38 {
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39
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40 }
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41
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42 void LayerHolder::CreateLayers()
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43 {
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44 assert(baseLayerIndex_ == -1);
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45
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46 baseLayerIndex_ = GetScene().GetMaxDepth() + 100;
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47
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48 for (int i = 0; i < polylineLayerCount_; ++i)
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49 {
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50 std::auto_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer());
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51 GetScene().SetLayer(baseLayerIndex_ + i, layer.release());
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52 }
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53
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54 for (int i = 0; i < textLayerCount_; ++i)
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55 {
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56 std::auto_ptr<TextSceneLayer> layer(new TextSceneLayer());
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57 GetScene().SetLayer(
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58 baseLayerIndex_ + polylineLayerCount_ + i,
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59 layer.release());
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60 }
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61
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62 }
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63
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64 void LayerHolder::CreateLayersIfNeeded()
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65 {
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66 if (baseLayerIndex_ == -1)
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67 CreateLayers();
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68 }
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69
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70 bool LayerHolder::AreLayersCreated() const
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71 {
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72 return (baseLayerIndex_ != -1);
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73 }
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74
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75 Scene2D& LayerHolder::GetScene()
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76 {
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77 boost::shared_ptr<ViewportController> controller = controllerW_.lock();
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78 ORTHANC_ASSERT(controller.get() != 0, "Zombie attack!");
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79 return controller->GetScene();
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80 }
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81
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82 void LayerHolder::DeleteLayers()
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83 {
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84 for (int i = 0; i < textLayerCount_ + polylineLayerCount_; ++i)
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85 {
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86 ORTHANC_ASSERT(GetScene().HasLayer(baseLayerIndex_ + i), "No layer");
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87 GetScene().DeleteLayer(baseLayerIndex_ + i);
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88 }
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89 baseLayerIndex_ = -1;
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90 }
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91
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92 PolylineSceneLayer* LayerHolder::GetPolylineLayer(int index /*= 0*/)
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93 {
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94 using namespace Orthanc;
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95 ORTHANC_ASSERT(baseLayerIndex_ != -1);
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96 ORTHANC_ASSERT(GetScene().HasLayer(GetPolylineLayerIndex(index)));
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97 ISceneLayer* layer =
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98 &(GetScene().GetLayer(GetPolylineLayerIndex(index)));
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99
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100 PolylineSceneLayer* concreteLayer =
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101 dynamic_cast<PolylineSceneLayer*>(layer);
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102
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103 ORTHANC_ASSERT(concreteLayer != NULL);
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104 return concreteLayer;
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105 }
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106
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107 TextSceneLayer* LayerHolder::GetTextLayer(int index /*= 0*/)
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108 {
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109 using namespace Orthanc;
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110 ORTHANC_ASSERT(baseLayerIndex_ != -1);
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111 ORTHANC_ASSERT(GetScene().HasLayer(GetTextLayerIndex(index)));
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112 ISceneLayer* layer =
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113 &(GetScene().GetLayer(GetTextLayerIndex(index)));
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114
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115 TextSceneLayer* concreteLayer =
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116 dynamic_cast<TextSceneLayer*>(layer);
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117
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118 ORTHANC_ASSERT(concreteLayer != NULL);
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119 return concreteLayer;
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120 }
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121
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122 int LayerHolder::GetPolylineLayerIndex(int index /*= 0*/)
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123 {
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124 using namespace Orthanc;
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125 ORTHANC_ASSERT(index < polylineLayerCount_);
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126 return baseLayerIndex_ + index;
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127 }
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128
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129
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130 int LayerHolder::GetTextLayerIndex(int index /*= 0*/)
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131 {
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132 using namespace Orthanc;
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133 ORTHANC_ASSERT(index < textLayerCount_);
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134
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135 // the text layers are placed right after the polyline layers
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
136 // this means they are drawn ON TOP
712ff6ff3c19 - undo redo now works fine for both measure tool creation commands
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
137 return baseLayerIndex_ + polylineLayerCount_ + index;
712ff6ff3c19 - undo redo now works fine for both measure tool creation commands
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
138 }
712ff6ff3c19 - undo redo now works fine for both measure tool creation commands
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
139 }