Mercurial > hg > orthanc-stone

annotate OrthancStone/Sources/Scene2DViewport/MeasureCommands.h @ 1606:874e178f34e9

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- ViewportController now has weak ptr to Viewport - Measuring tools + related commands and all trackers now store only a weak_ptr to the Viewport and lock() on demand for usage - LayerHolder and FixedPoint aligner store only a weak_ptr to the Viewport, too - Fixed float/double warning in GrayscaleWindowingSceneTracker
author Benjamin Golinvaux <bgo@osimis.io>
date Wed, 28 Oct 2020 20:14:34 +0100
parents 8563ea5d8ae4
children 9ac2a65d4172
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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 #pragma once
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22
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23 #include "../Viewport/IViewport.h"
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24
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25 // to be moved into Stone
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26 #include "PredeclaredTypes.h"
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27 #include "MeasureTool.h"
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28 #include "LineMeasureTool.h"
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29 #include "AngleMeasureTool.h"
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30
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31 #include <boost/shared_ptr.hpp>
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32 #include <boost/weak_ptr.hpp>
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33 #include <boost/noncopyable.hpp>
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34
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35 namespace OrthancStone
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36 {
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37 class MeasureCommand : public boost::noncopyable
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38 {
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39 protected:
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40 boost::weak_ptr<IViewport> viewport_;
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41
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42 /**
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43 This will return a scoped lock to the viewport.
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44 If the viewport does not exist anymore, then nullptr is returned.
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45 */
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46 IViewport::ILock* GetViewportLock();
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47
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48 public:
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49 explicit MeasureCommand(boost::weak_ptr<IViewport> viewport) :
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50 viewport_(viewport)
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51 {
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52 }
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53
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54 virtual ~MeasureCommand()
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55 {
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56 }
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57
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58 virtual void Undo() = 0;
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59
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60 virtual void Redo() = 0;
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61 };
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62
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64 class CreateMeasureCommand : public MeasureCommand
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65 {
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66 private:
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67 /** Must be implemented by the subclasses that create the actual tool */
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68 virtual boost::shared_ptr<MeasureTool> GetMeasureTool() = 0;
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69
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70 public:
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71 explicit CreateMeasureCommand(boost::weak_ptr<IViewport> viewport);
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72
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73 virtual ~CreateMeasureCommand();
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74
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75 virtual void Undo() ORTHANC_OVERRIDE;
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76
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77 virtual void Redo() ORTHANC_OVERRIDE;
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78 };
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79
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80
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81 class EditMeasureCommand : public MeasureCommand
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82 {
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83 private:
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84 /** Must be implemented by the subclasses that edit the actual tool */
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85 virtual boost::shared_ptr<MeasureTool> GetMeasureTool() = 0;
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86
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87 protected:
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88 /** This memento is updated by the subclasses upon modifications */
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89 boost::shared_ptr<MeasureToolMemento> mementoModified_;
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90
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91 public:
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92 EditMeasureCommand(boost::shared_ptr<MeasureTool> measureTool,
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93 boost::weak_ptr<IViewport> viewport);
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94
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95 virtual ~EditMeasureCommand();
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96
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97 virtual void Undo() ORTHANC_OVERRIDE;
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98
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99 virtual void Redo() ORTHANC_OVERRIDE;
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100
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101 /** This memento is the original object state */
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102 boost::shared_ptr<MeasureToolMemento> mementoOriginal_;
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103 };
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104
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105
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106 class DeleteMeasureCommand : public MeasureCommand
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107 {
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108 private:
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109 /** Must be implemented by the subclasses that edit the actual tool */
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110 virtual boost::shared_ptr<MeasureTool> GetMeasureTool()
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111 {
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112 return measureTool_;
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113 }
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114
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115 boost::shared_ptr<MeasureTool> measureTool_;
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116
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117 protected:
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118 /** This memento is updated by the subclasses upon modifications */
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119 boost::shared_ptr<MeasureToolMemento> mementoModified_;
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120
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121 public:
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122 DeleteMeasureCommand(boost::shared_ptr<MeasureTool> measureTool,
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123 boost::weak_ptr<IViewport> viewport);
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124
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125 virtual ~DeleteMeasureCommand();
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126
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127 virtual void Undo() ORTHANC_OVERRIDE;
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128
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129 virtual void Redo() ORTHANC_OVERRIDE;
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130
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131 /** This memento is the original object state */
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132 boost::shared_ptr<MeasureToolMemento> mementoOriginal_;
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133 };
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134 }
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135