Mercurial > hg > orthanc-stone

annotate OrthancStone/Sources/Scene2D/Scene2D.cpp @ 1870:3889ae96d2e9

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added copyright UCLouvain
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 11 Jan 2022 11:04:09 +0100
parents 20a0aba0ede5
children 7053b8a0aaec
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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) 2017-2021 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2021 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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22
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23
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24 #include "Scene2D.h"
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25
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26 #include <OrthancException.h>
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29 namespace OrthancStone
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30 {
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31 class Scene2D::Item
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32 {
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33 private:
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34 std::unique_ptr<ISceneLayer> layer_;
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35 uint64_t identifier_;
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36
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37 public:
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38 Item(ISceneLayer* layer,
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39 uint64_t identifier) :
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40 layer_(layer),
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41 identifier_(identifier)
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42 {
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43 if (layer == NULL)
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44 {
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45 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
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46 }
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47 }
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48
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49 ISceneLayer& GetLayer() const
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50 {
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51 if (layer_.get() == NULL)
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52 {
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53 LOG(ERROR) << "Scene2D::Item::GetLayer(): (layer_.get() == NULL)";
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54 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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55 }
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56 else
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57 {
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58 return *layer_;
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59 }
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60 }
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61
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62 ISceneLayer* ReleaseLayer()
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63 {
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64 if (layer_.get() == NULL)
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65 {
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66 LOG(ERROR) << "Scene2D::Item::ReleaseLayer(): (layer_.get() == NULL)";
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67 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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68 }
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69 else
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70 {
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71 return layer_.release();
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72 }
602
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73 }
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74
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75 uint64_t GetIdentifier() const
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76 {
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77 return identifier_;
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78 }
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79 };
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80
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81
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82 Scene2D::Scene2D(const Scene2D& other)
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83 : sceneToCanvas_(other.sceneToCanvas_)
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84 , canvasToScene_(other.canvasToScene_)
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85 , layerCounter_(0)
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86 {
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87 for (Content::const_iterator it = other.content_.begin();
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88 it != other.content_.end(); ++it)
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89 {
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90 content_[it->first] = new Item(it->second->GetLayer().Clone(), layerCounter_++);
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91 }
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92 }
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93
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94
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95 Scene2D::~Scene2D()
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96 {
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97 for (Content::iterator it = content_.begin();
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98 it != content_.end(); ++it)
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99 {
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100 assert(it->second != NULL);
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101 delete it->second;
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102 }
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103 }
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104
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105
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106 ISceneLayer& Scene2D::SetLayer(int depth,
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107 ISceneLayer* layer) // Takes ownership
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108 {
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109 LOG(TRACE) << "SetLayer(" << depth << ", " << reinterpret_cast<intptr_t>(layer) << ")";
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110 std::unique_ptr<Item> item(new Item(layer, layerCounter_++));
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111
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112 if (layer == NULL)
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113 {
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114 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
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115 }
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116
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117 Content::iterator found = content_.find(depth);
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118
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119 if (found == content_.end())
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120 {
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121 content_[depth] = item.release();
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122 }
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123 else
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124 {
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125 assert(found->second != NULL);
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126 delete found->second;
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127 found->second = item.release();
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128 }
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129
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130 return *layer;
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131 }
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132
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133
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134 void Scene2D::DeleteLayer(int depth)
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135 {
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136
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137 Content::iterator found = content_.find(depth);
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138
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139 if (found != content_.end())
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parents:
diff changeset
140 {
934
094d10ed7ec2 VolumeSceneLayerSource dtor now clears the layer
Benjamin Golinvaux <bgo@osimis.io>
parents: 824
diff changeset
141 LOG(TRACE) << "DeleteLayer --found-- (" << depth << ")";
582
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142 assert(found->second != NULL);
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143 delete found->second;
e36e69a380a5 Scene2D
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diff changeset
144 content_.erase(found);
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diff changeset
145 }
e36e69a380a5 Scene2D
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parents:
diff changeset
146 }
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147
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148
602
03c4b998fcd0 display scene positions in the basic sample
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diff changeset
149 bool Scene2D::HasLayer(int depth) const
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150 {
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diff changeset
151 return (content_.find(depth) != content_.end());
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152 }
03c4b998fcd0 display scene positions in the basic sample
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153
03c4b998fcd0 display scene positions in the basic sample
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diff changeset
154
03c4b998fcd0 display scene positions in the basic sample
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parents: 600
diff changeset
155 ISceneLayer& Scene2D::GetLayer(int depth) const
03c4b998fcd0 display scene positions in the basic sample
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diff changeset
156 {
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diff changeset
157 Content::const_iterator found = content_.find(depth);
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158
03c4b998fcd0 display scene positions in the basic sample
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parents: 600
diff changeset
159 if (found == content_.end())
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parents: 600
diff changeset
160 {
606
d9c0a66304cb Scene2D::ReleaseLayer()
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parents: 602
diff changeset
161 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
602
03c4b998fcd0 display scene positions in the basic sample
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diff changeset
162 }
03c4b998fcd0 display scene positions in the basic sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 600
diff changeset
163 else
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parents: 600
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164 {
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165 assert(found->second != NULL);
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166 return found->second->GetLayer();
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diff changeset
167 }
03c4b998fcd0 display scene positions in the basic sample
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parents: 600
diff changeset
168 }
03c4b998fcd0 display scene positions in the basic sample
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169
03c4b998fcd0 display scene positions in the basic sample
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170
632
500c3f70b6c2 - Added a ClearAllChains method to PolylineSceneLayer --> revision must change
Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
171 int Scene2D::GetMinDepth() const
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172 {
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diff changeset
173 if (content_.size() == 0)
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174 return 0;
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175 else
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176 return content_.begin()->first;
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177 }
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Benjamin Golinvaux <bgo@osimis.io>
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178
500c3f70b6c2 - Added a ClearAllChains method to PolylineSceneLayer --> revision must change
Benjamin Golinvaux <bgo@osimis.io>
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179
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Benjamin Golinvaux <bgo@osimis.io>
parents: 606
diff changeset
180 int Scene2D::GetMaxDepth() const
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Benjamin Golinvaux <bgo@osimis.io>
parents: 606
diff changeset
181 {
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Benjamin Golinvaux <bgo@osimis.io>
parents: 606
diff changeset
182 if (content_.size() == 0)
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diff changeset
183 return 0;
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Benjamin Golinvaux <bgo@osimis.io>
parents: 606
diff changeset
184 else
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diff changeset
185 return content_.rbegin()->first;
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Benjamin Golinvaux <bgo@osimis.io>
parents: 606
diff changeset
186 }
500c3f70b6c2 - Added a ClearAllChains method to PolylineSceneLayer --> revision must change
Benjamin Golinvaux <bgo@osimis.io>
parents: 606
diff changeset
187
606
d9c0a66304cb Scene2D::ReleaseLayer()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 602
diff changeset
188 ISceneLayer* Scene2D::ReleaseLayer(int depth)
d9c0a66304cb Scene2D::ReleaseLayer()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 602
diff changeset
189 {
d9c0a66304cb Scene2D::ReleaseLayer()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 602
diff changeset
190 Content::iterator found = content_.find(depth);
d9c0a66304cb Scene2D::ReleaseLayer()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 602
diff changeset
191
d9c0a66304cb Scene2D::ReleaseLayer()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 602
diff changeset
192 if (found == content_.end())
d9c0a66304cb Scene2D::ReleaseLayer()
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
193 {
d9c0a66304cb Scene2D::ReleaseLayer()
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
194 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
d9c0a66304cb Scene2D::ReleaseLayer()
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diff changeset
195 }
d9c0a66304cb Scene2D::ReleaseLayer()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 602
diff changeset
196 else
d9c0a66304cb Scene2D::ReleaseLayer()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 602
diff changeset
197 {
d9c0a66304cb Scene2D::ReleaseLayer()
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
198 assert(found->second != NULL);
d9c0a66304cb Scene2D::ReleaseLayer()
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parents: 602
diff changeset
199
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8a0a62189f46 replacing std::auto_ptr by std::unique_ptr
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diff changeset
200 std::unique_ptr<ISceneLayer> layer(found->second->ReleaseLayer());
606
d9c0a66304cb Scene2D::ReleaseLayer()
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parents: 602
diff changeset
201 assert(layer.get() != NULL);
d9c0a66304cb Scene2D::ReleaseLayer()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 602
diff changeset
202
d9c0a66304cb Scene2D::ReleaseLayer()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 602
diff changeset
203 content_.erase(found);
d9c0a66304cb Scene2D::ReleaseLayer()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 602
diff changeset
204
d9c0a66304cb Scene2D::ReleaseLayer()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 602
diff changeset
205 return layer.release();
d9c0a66304cb Scene2D::ReleaseLayer()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 602
diff changeset
206 }
d9c0a66304cb Scene2D::ReleaseLayer()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 602
diff changeset
207 }
942
685c9a2d115f Added missing ORTHANC_OVERRIDE + preparation for lost GL context handling + stubs for GL context event handlers
Benjamin Golinvaux <bgo@osimis.io>
parents: 934
diff changeset
208
600
6129b1e5ba42 BasicScene SDL sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 582
diff changeset
209 void Scene2D::Apply(IVisitor& visitor) const
582
e36e69a380a5 Scene2D
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diff changeset
210 {
e36e69a380a5 Scene2D
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parents:
diff changeset
211 for (Content::const_iterator it = content_.begin();
e36e69a380a5 Scene2D
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parents:
diff changeset
212 it != content_.end(); ++it)
e36e69a380a5 Scene2D
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parents:
diff changeset
213 {
e36e69a380a5 Scene2D
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parents:
diff changeset
214 assert(it->second != NULL);
1211
d10d2acb8a02 compositors do not keep a reference to the scene anymore
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 956
diff changeset
215 visitor.Visit(*this, it->second->GetLayer(), it->second->GetIdentifier(), it->first);
582
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216 }
e36e69a380a5 Scene2D
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parents:
diff changeset
217 }
e36e69a380a5 Scene2D
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parents:
diff changeset
218
e36e69a380a5 Scene2D
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parents:
diff changeset
219
e36e69a380a5 Scene2D
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diff changeset
220 void Scene2D::SetSceneToCanvasTransform(const AffineTransform2D& transform)
e36e69a380a5 Scene2D
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221 {
e36e69a380a5 Scene2D
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parents:
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222 // Make sure the transform is invertible before making any change
e36e69a380a5 Scene2D
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diff changeset
223 AffineTransform2D inverse = AffineTransform2D::Invert(transform);
e36e69a380a5 Scene2D
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parents:
diff changeset
224
e36e69a380a5 Scene2D
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parents:
diff changeset
225 sceneToCanvas_ = transform;
e36e69a380a5 Scene2D
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parents:
diff changeset
226 canvasToScene_ = inverse;
e36e69a380a5 Scene2D
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parents:
diff changeset
227 }
e36e69a380a5 Scene2D
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parents:
diff changeset
228
1610
b7630b1a0253 ISceneLayer::GetBoundingBox() returns void
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1598
diff changeset
229 void Scene2D::GetBoundingBox(Extent2D& target) const
1374
1e4878ed1d77 added GetBoundingBox to Scene2D
Alain Mazy <alain@mazy.be>
parents: 1298
diff changeset
230 {
1610
b7630b1a0253 ISceneLayer::GetBoundingBox() returns void
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1598
diff changeset
231 target.Clear();
1374
1e4878ed1d77 added GetBoundingBox to Scene2D
Alain Mazy <alain@mazy.be>
parents: 1298
diff changeset
232
1e4878ed1d77 added GetBoundingBox to Scene2D
Alain Mazy <alain@mazy.be>
parents: 1298
diff changeset
233 for (Content::const_iterator it = content_.begin();
1e4878ed1d77 added GetBoundingBox to Scene2D
Alain Mazy <alain@mazy.be>
parents: 1298
diff changeset
234 it != content_.end(); ++it)
1e4878ed1d77 added GetBoundingBox to Scene2D
Alain Mazy <alain@mazy.be>
parents: 1298
diff changeset
235 {
1e4878ed1d77 added GetBoundingBox to Scene2D
Alain Mazy <alain@mazy.be>
parents: 1298
diff changeset
236 assert(it->second != NULL);
1e4878ed1d77 added GetBoundingBox to Scene2D
Alain Mazy <alain@mazy.be>
parents: 1298
diff changeset
237
1e4878ed1d77 added GetBoundingBox to Scene2D
Alain Mazy <alain@mazy.be>
parents: 1298
diff changeset
238 Extent2D tmp;
1610
b7630b1a0253 ISceneLayer::GetBoundingBox() returns void
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1598
diff changeset
239 it->second->GetLayer().GetBoundingBox(tmp);
b7630b1a0253 ISceneLayer::GetBoundingBox() returns void
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1598
diff changeset
240 target.Union(tmp);
1374
1e4878ed1d77 added GetBoundingBox to Scene2D
Alain Mazy <alain@mazy.be>
parents: 1298
diff changeset
241 }
1e4878ed1d77 added GetBoundingBox to Scene2D
Alain Mazy <alain@mazy.be>
parents: 1298
diff changeset
242 }
1e4878ed1d77 added GetBoundingBox to Scene2D
Alain Mazy <alain@mazy.be>
parents: 1298
diff changeset
243
582
e36e69a380a5 Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
244 void Scene2D::FitContent(unsigned int canvasWidth,
e36e69a380a5 Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
245 unsigned int canvasHeight)
e36e69a380a5 Scene2D
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parents:
diff changeset
246 {
e36e69a380a5 Scene2D
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parents:
diff changeset
247 Extent2D extent;
e36e69a380a5 Scene2D
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parents:
diff changeset
248
1374
1e4878ed1d77 added GetBoundingBox to Scene2D
Alain Mazy <alain@mazy.be>
parents: 1298
diff changeset
249 GetBoundingBox(extent);
582
e36e69a380a5 Scene2D
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parents:
diff changeset
250
e36e69a380a5 Scene2D
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parents:
diff changeset
251 if (!extent.IsEmpty())
e36e69a380a5 Scene2D
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parents:
diff changeset
252 {
e36e69a380a5 Scene2D
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parents:
diff changeset
253 double zoomX = static_cast<double>(canvasWidth) / extent.GetWidth();
e36e69a380a5 Scene2D
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parents:
diff changeset
254 double zoomY = static_cast<double>(canvasHeight) / extent.GetHeight();
e36e69a380a5 Scene2D
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parents:
diff changeset
255
e36e69a380a5 Scene2D
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parents:
diff changeset
256 double zoom = std::min(zoomX, zoomY);
e36e69a380a5 Scene2D
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parents:
diff changeset
257 if (LinearAlgebra::IsCloseToZero(zoom))
e36e69a380a5 Scene2D
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parents:
diff changeset
258 {
e36e69a380a5 Scene2D
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parents:
diff changeset
259 zoom = 1;
e36e69a380a5 Scene2D
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parents:
diff changeset
260 }
e36e69a380a5 Scene2D
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parents:
diff changeset
261
e36e69a380a5 Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
262 double panX = extent.GetCenterX();
e36e69a380a5 Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
263 double panY = extent.GetCenterY();
e36e69a380a5 Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
264
e36e69a380a5 Scene2D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
265 // Bring the center of the scene to (0,0)
e36e69a380a5 Scene2D
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parents:
diff changeset
266 AffineTransform2D t1 = AffineTransform2D::CreateOffset(-panX, -panY);
e36e69a380a5 Scene2D
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parents:
diff changeset
267
e36e69a380a5 Scene2D
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parents:
diff changeset
268 // Scale the scene
e36e69a380a5 Scene2D
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parents:
diff changeset
269 AffineTransform2D t2 = AffineTransform2D::CreateScaling(zoom, zoom);
e36e69a380a5 Scene2D
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parents:
diff changeset
270
e36e69a380a5 Scene2D
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parents:
diff changeset
271 SetSceneToCanvasTransform(AffineTransform2D::Combine(t2, t1));
e36e69a380a5 Scene2D
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parents:
diff changeset
272 }
e36e69a380a5 Scene2D
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parents:
diff changeset
273 }
e36e69a380a5 Scene2D
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parents:
diff changeset
274 }