annotate Framework/Widgets/WidgetBase.h @ 36:981f0257e080

no need of SimplifiedOrthancDataset
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 19 Dec 2016 11:40:08 +0100
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children 7207a407bcd8
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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 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #pragma once
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34
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35 #include "IWidget.h"
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36
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37 #include "../Viewport/CairoContext.h"
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38 #include "../Toolbox/ObserversRegistry.h"
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39
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40 #include <boost/thread.hpp>
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41
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42 namespace OrthancStone
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43 {
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44 class WidgetBase : public IWidget
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45 {
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46 private:
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47 IStatusBar* statusBar_;
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48 ObserversRegistry<IWidget> observers_;
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49 bool started_;
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50 boost::thread thread_;
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51 bool backgroundCleared_;
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52 uint8_t backgroundColor_[3];
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53
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54 protected:
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55 void ClearBackgroundOrthanc(Orthanc::ImageAccessor& target) const;
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56
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57 void ClearBackgroundCairo(CairoContext& context) const;
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58
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59 void ClearBackgroundCairo(Orthanc::ImageAccessor& target) const;
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60
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61 void NotifyChange();
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62
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63 void UpdateStatusBar(const std::string& message);
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64
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65 static void WorkerThread(WidgetBase* that);
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66
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67 IStatusBar* GetStatusBar() const
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68 {
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69 return statusBar_;
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70 }
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71
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72 virtual bool HasUpdateThread() const = 0;
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73
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74 virtual void UpdateStep() = 0;
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75
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76 public:
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77 WidgetBase();
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78
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79 bool IsStarted() const
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80 {
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81 return started_;
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82 }
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83
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84 void SetBackgroundCleared(bool clear)
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85 {
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86 backgroundCleared_ = clear;
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87 }
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88
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89 bool IsBackgroundCleared() const
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90 {
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91 return backgroundCleared_;
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92 }
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93
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94 void SetBackgroundColor(uint8_t red,
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95 uint8_t green,
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96 uint8_t blue);
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97
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98 void GetBackgroundColor(uint8_t& red,
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99 uint8_t& green,
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100 uint8_t& blue) const;
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101
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102 virtual void Register(IChangeObserver& observer);
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103
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104 virtual void Unregister(IChangeObserver& observer);
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105
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106 virtual void SetStatusBar(IStatusBar& statusBar)
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107 {
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108 statusBar_ = &statusBar;
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109 }
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110
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111 virtual void ResetStatusBar()
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112 {
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113 statusBar_ = NULL;
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114 }
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115
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116 virtual void Start();
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117
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118 virtual void Stop();
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119
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120 virtual bool Render(Orthanc::ImageAccessor& surface);
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121 };
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122 }