Mercurial > hg > orthanc-stone
annotate Framework/Radiography/RadiographyLayerResizeTracker.cpp @ 466:5055031f4a06 bgo-commands-codegen
- Added browserify to build. This allows using require calls for modules that
work with tsc compiler.
- removed older stuff related to Protocol Buffers and Flatbuffers
- changed triple-slash references to import statements
- module prefixes are now added at call sites
- added cmake module for filename handling
- switched to Ninja for sample build
- Added virtual dtor in ICommand
author | bgo-osimis |
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date | Mon, 11 Feb 2019 16:00:04 +0100 |
parents | a750f11892ec |
children | 3b4df9925db6 |
rev | line source |
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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 |
439 | 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 |
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22 #include "RadiographyLayerResizeTracker.h" |
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23 |
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24 #include "RadiographySceneCommand.h" |
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25 |
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26 #include <Core/OrthancException.h> |
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27 |
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28 #include <boost/math/special_functions/round.hpp> |
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29 |
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30 |
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31 namespace OrthancStone |
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32 { |
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33 static double ComputeDistance(double x1, |
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34 double y1, |
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35 double x2, |
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36 double y2) |
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37 { |
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38 double dx = x1 - x2; |
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39 double dy = y1 - y2; |
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40 return sqrt(dx * dx + dy * dy); |
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41 } |
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42 |
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43 |
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44 class RadiographyLayerResizeTracker::UndoRedoCommand : public RadiographySceneCommand |
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45 { |
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46 private: |
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47 double sourceSpacingX_; |
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48 double sourceSpacingY_; |
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49 double sourcePanX_; |
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50 double sourcePanY_; |
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51 double targetSpacingX_; |
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52 double targetSpacingY_; |
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53 double targetPanX_; |
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54 double targetPanY_; |
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55 |
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56 protected: |
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57 virtual void UndoInternal(RadiographyLayer& layer) const |
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58 { |
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59 layer.SetPixelSpacing(sourceSpacingX_, sourceSpacingY_); |
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60 layer.SetPan(sourcePanX_, sourcePanY_); |
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61 } |
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62 |
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63 virtual void RedoInternal(RadiographyLayer& layer) const |
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64 { |
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65 layer.SetPixelSpacing(targetSpacingX_, targetSpacingY_); |
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66 layer.SetPan(targetPanX_, targetPanY_); |
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67 } |
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68 |
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69 public: |
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70 UndoRedoCommand(const RadiographyLayerResizeTracker& tracker) : |
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71 RadiographySceneCommand(tracker.accessor_), |
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72 sourceSpacingX_(tracker.originalSpacingX_), |
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73 sourceSpacingY_(tracker.originalSpacingY_), |
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74 sourcePanX_(tracker.originalPanX_), |
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75 sourcePanY_(tracker.originalPanY_), |
430 | 76 targetSpacingX_(tracker.accessor_.GetLayer().GetGeometry().GetPixelSpacingX()), |
77 targetSpacingY_(tracker.accessor_.GetLayer().GetGeometry().GetPixelSpacingY()), | |
78 targetPanX_(tracker.accessor_.GetLayer().GetGeometry().GetPanX()), | |
79 targetPanY_(tracker.accessor_.GetLayer().GetGeometry().GetPanY()) | |
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80 { |
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81 } |
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82 }; |
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83 |
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84 |
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85 RadiographyLayerResizeTracker::RadiographyLayerResizeTracker(UndoRedoStack& undoRedoStack, |
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86 RadiographyScene& scene, |
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87 size_t layer, |
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88 double x, |
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89 double y, |
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90 Corner corner, |
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91 bool roundScaling) : |
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92 undoRedoStack_(undoRedoStack), |
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93 accessor_(scene, layer), |
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94 roundScaling_(roundScaling) |
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95 { |
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96 if (accessor_.IsValid() && |
430 | 97 accessor_.GetLayer().GetGeometry().IsResizeable()) |
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98 { |
430 | 99 originalSpacingX_ = accessor_.GetLayer().GetGeometry().GetPixelSpacingX(); |
100 originalSpacingY_ = accessor_.GetLayer().GetGeometry().GetPixelSpacingY(); | |
101 originalPanX_ = accessor_.GetLayer().GetGeometry().GetPanX(); | |
102 originalPanY_ = accessor_.GetLayer().GetGeometry().GetPanY(); | |
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103 |
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104 switch (corner) |
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105 { |
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106 case Corner_TopLeft: |
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107 oppositeCorner_ = Corner_BottomRight; |
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108 break; |
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109 |
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110 case Corner_TopRight: |
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111 oppositeCorner_ = Corner_BottomLeft; |
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112 break; |
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113 |
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114 case Corner_BottomLeft: |
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115 oppositeCorner_ = Corner_TopRight; |
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116 break; |
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117 |
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118 case Corner_BottomRight: |
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119 oppositeCorner_ = Corner_TopLeft; |
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120 break; |
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121 |
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122 default: |
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123 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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124 } |
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125 |
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126 accessor_.GetLayer().GetCorner(oppositeX_, oppositeY_, oppositeCorner_); |
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127 |
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128 double d = ComputeDistance(x, y, oppositeX_, oppositeY_); |
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129 if (d >= std::numeric_limits<float>::epsilon()) |
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130 { |
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131 baseScaling_ = 1.0 / d; |
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132 } |
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133 else |
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134 { |
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135 // Avoid division by zero in extreme cases |
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136 accessor_.Invalidate(); |
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137 } |
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138 } |
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139 } |
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140 |
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141 |
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142 void RadiographyLayerResizeTracker::Render(CairoContext& context, |
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143 double zoom) |
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144 { |
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145 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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146 } |
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147 |
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148 |
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149 void RadiographyLayerResizeTracker::MouseUp() |
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150 { |
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151 if (accessor_.IsValid() && |
430 | 152 accessor_.GetLayer().GetGeometry().IsResizeable()) |
415
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153 { |
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154 undoRedoStack_.Add(new UndoRedoCommand(*this)); |
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155 } |
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156 } |
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157 |
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158 |
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159 void RadiographyLayerResizeTracker::MouseMove(int displayX, |
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160 int displayY, |
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161 double sceneX, |
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162 double sceneY) |
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163 { |
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164 static const double ROUND_SCALING = 0.1; |
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165 |
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166 if (accessor_.IsValid() && |
430 | 167 accessor_.GetLayer().GetGeometry().IsResizeable()) |
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168 { |
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169 double scaling = ComputeDistance(oppositeX_, oppositeY_, sceneX, sceneY) * baseScaling_; |
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170 |
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171 if (roundScaling_) |
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172 { |
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173 scaling = boost::math::round<double>((scaling / ROUND_SCALING) * ROUND_SCALING); |
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174 } |
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175 |
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176 RadiographyLayer& layer = accessor_.GetLayer(); |
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177 layer.SetPixelSpacing(scaling * originalSpacingX_, |
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178 scaling * originalSpacingY_); |
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179 |
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180 // Keep the opposite corner at a fixed location |
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181 double ox, oy; |
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182 layer.GetCorner(ox, oy, oppositeCorner_); |
430 | 183 layer.SetPan(layer.GetGeometry().GetPanX() + oppositeX_ - ox, |
184 layer.GetGeometry().GetPanY() + oppositeY_ - oy); | |
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185 } |
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186 } |
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187 } |