Mercurial > hg > orthanc-stone

annotate Framework/Scene2D/Scene2D.cpp @ 1327:4f8db2d202c8 broker

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OrthancSeriesProgressiveLoader now has two modes that can be selected at object creation : - progressive (will first load jpeg50, then jpeg90 then PAM) - non-progressive (will directly load PAM (uncompressed)) Please note that the slice loading order remains dynamic and depending upon the slice that the client code wishes to extract from the volume.
author Benjamin Golinvaux <bgo@osimis.io>
date Wed, 25 Mar 2020 14:34:27 +0100
parents 257f2c9a02ac
children 6ea4062c1a0d
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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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2d8ab34c8c91 upgrade to year 2020
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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 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 #include "Scene2D.h"
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23
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24 #include <Core/OrthancException.h>
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25
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26
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27 namespace OrthancStone
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28 {
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29 class Scene2D::Item
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30 {
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31 private:
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32 std::unique_ptr<ISceneLayer> layer_;
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33 uint64_t identifier_;
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34
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35 public:
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36 Item(ISceneLayer* layer,
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37 uint64_t identifier) :
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38 layer_(layer),
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39 identifier_(identifier)
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40 {
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41 if (layer == NULL)
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42 {
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43 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
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44 }
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45 }
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46
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47 ISceneLayer& GetLayer() const
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48 {
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49 if (layer_.get() == NULL)
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50 {
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51 LOG(ERROR) << "Scene2D::Item::GetLayer(): (layer_.get() == NULL)";
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52 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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53 }
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54 else
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55 {
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56 return *layer_;
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57 }
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58 }
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59
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60 ISceneLayer* ReleaseLayer()
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61 {
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62 if (layer_.get() == NULL)
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63 {
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64 LOG(ERROR) << "Scene2D::Item::ReleaseLayer(): (layer_.get() == NULL)";
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65 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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66 }
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67 else
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68 {
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69 return layer_.release();
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70 }
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71 }
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72
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73 uint64_t GetIdentifier() const
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74 {
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75 return identifier_;
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76 }
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77 };
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78
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79
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80 Scene2D::Scene2D(const Scene2D& other)
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81 : sceneToCanvas_(other.sceneToCanvas_)
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82 , canvasToScene_(other.canvasToScene_)
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83 , layerCounter_(0)
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84 {
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85 for (Content::const_iterator it = other.content_.begin();
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86 it != other.content_.end(); ++it)
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87 {
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88 content_[it->first] = new Item(it->second->GetLayer().Clone(), layerCounter_++);
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89 }
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90 }
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91
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92
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93 Scene2D::~Scene2D()
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94 {
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95 for (Content::iterator it = content_.begin();
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96 it != content_.end(); ++it)
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97 {
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98 assert(it->second != NULL);
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99 delete it->second;
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100 }
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101 }
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102
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103
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104 void Scene2D::SetLayer(int depth,
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105 ISceneLayer* layer) // Takes ownership
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106 {
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107 LOG(TRACE) << "SetLayer(" << depth << ", " << reinterpret_cast<intptr_t>(layer) << ")";
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108 std::unique_ptr<Item> item(new Item(layer, layerCounter_++));
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109
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110 if (layer == NULL)
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111 {
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112 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
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113 }
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114
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115 Content::iterator found = content_.find(depth);
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116
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117 if (found == content_.end())
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118 {
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119 content_[depth] = item.release();
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120 }
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121 else
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122 {
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123 assert(found->second != NULL);
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124 delete found->second;
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125 found->second = item.release();
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126 }
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127 }
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128
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129
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130 void Scene2D::DeleteLayer(int depth)
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131 {
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132
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133 Content::iterator found = content_.find(depth);
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134
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135 if (found != content_.end())
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136 {
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137 LOG(TRACE) << "DeleteLayer --found-- (" << depth << ")";
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138 assert(found->second != NULL);
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139 delete found->second;
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140 content_.erase(found);
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141 }
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142 }
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143
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144
602
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145 bool Scene2D::HasLayer(int depth) const
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146 {
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147 return (content_.find(depth) != content_.end());
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148 }
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149
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150
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151 ISceneLayer& Scene2D::GetLayer(int depth) const
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152 {
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153 Content::const_iterator found = content_.find(depth);
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154
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155 if (found == content_.end())
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156 {
606
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157 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
602
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158 }
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159 else
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160 {
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161 assert(found->second != NULL);
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162 return found->second->GetLayer();
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163 }
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164 }
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165
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166
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167 int Scene2D::GetMinDepth() const
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168 {
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169 if (content_.size() == 0)
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170 return 0;
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171 else
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172 return content_.begin()->first;
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173 }
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174
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175
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176 int Scene2D::GetMaxDepth() const
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177 {
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178 if (content_.size() == 0)
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179 return 0;
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180 else
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181 return content_.rbegin()->first;
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182 }
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183
606
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184 ISceneLayer* Scene2D::ReleaseLayer(int depth)
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185 {
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186 Content::iterator found = content_.find(depth);
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187
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188 if (found == content_.end())
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189 {
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190 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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191 }
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192 else
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193 {
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194 assert(found->second != NULL);
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195
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196 std::unique_ptr<ISceneLayer> layer(found->second->ReleaseLayer());
606
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197 assert(layer.get() != NULL);
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198
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199 content_.erase(found);
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200
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201 return layer.release();
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202 }
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203 }
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204
600
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205 void Scene2D::Apply(IVisitor& visitor) const
582
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206 {
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207 for (Content::const_iterator it = content_.begin();
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208 it != content_.end(); ++it)
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209 {
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210 assert(it->second != NULL);
1211
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211 visitor.Visit(*this, it->second->GetLayer(), it->second->GetIdentifier(), it->first);
582
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212 }
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213 }
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214
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215
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216 void Scene2D::SetSceneToCanvasTransform(const AffineTransform2D& transform)
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217 {
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218 // Make sure the transform is invertible before making any change
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219 AffineTransform2D inverse = AffineTransform2D::Invert(transform);
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220
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221 sceneToCanvas_ = transform;
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222 canvasToScene_ = inverse;
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223 }
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224
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225 void Scene2D::FitContent(unsigned int canvasWidth,
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226 unsigned int canvasHeight)
e36e69a380a5 Scene2D
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227 {
e36e69a380a5 Scene2D
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228 Extent2D extent;
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229
e36e69a380a5 Scene2D
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230 for (Content::const_iterator it = content_.begin();
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231 it != content_.end(); ++it)
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232 {
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233 assert(it->second != NULL);
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234
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235 Extent2D tmp;
602
03c4b998fcd0 display scene positions in the basic sample
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diff changeset
236 if (it->second->GetLayer().GetBoundingBox(tmp))
582
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237 {
e36e69a380a5 Scene2D
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238 extent.Union(tmp);
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239 }
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240 }
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241
e36e69a380a5 Scene2D
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242 if (!extent.IsEmpty())
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243 {
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244 double zoomX = static_cast<double>(canvasWidth) / extent.GetWidth();
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245 double zoomY = static_cast<double>(canvasHeight) / extent.GetHeight();
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246
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247 double zoom = std::min(zoomX, zoomY);
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248 if (LinearAlgebra::IsCloseToZero(zoom))
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249 {
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250 zoom = 1;
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251 }
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252
e36e69a380a5 Scene2D
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253 double panX = extent.GetCenterX();
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254 double panY = extent.GetCenterY();
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255
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256 // Bring the center of the scene to (0,0)
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257 AffineTransform2D t1 = AffineTransform2D::CreateOffset(-panX, -panY);
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258
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259 // Scale the scene
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260 AffineTransform2D t2 = AffineTransform2D::CreateScaling(zoom, zoom);
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261
e36e69a380a5 Scene2D
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262 SetSceneToCanvasTransform(AffineTransform2D::Combine(t2, t1));
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263 }
e36e69a380a5 Scene2D
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264 }
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265 }