Mercurial > hg > orthanc-stone

annotate Framework/Layers/LayerSourceBase.cpp @ 66:298f375dcb68 wasm

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LayerWidget
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 17 May 2017 22:03:09 +0200
parents 885932a893de
children f5f54ed8d307
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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 Osimis, 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 "LayerSourceBase.h"
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24 #include "../../Resources/Orthanc/Core/OrthancException.h"
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26 namespace OrthancStone
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27 {
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28 void LayerSourceBase::NotifyGeometryReady()
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29 {
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30 if (!started_)
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31 {
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32 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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33 }
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34
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35 if (observer_ != NULL)
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36 {
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37 observer_->NotifyGeometryReady(*this);
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38 }
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39 }
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41 void LayerSourceBase::NotifySourceChange()
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42 {
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43 if (!started_)
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44 {
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45 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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46 }
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48 if (observer_ != NULL)
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49 {
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50 observer_->NotifySourceChange(*this);
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51 }
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52 }
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54 void LayerSourceBase::NotifySliceChange(const SliceGeometry& slice)
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55 {
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56 if (!started_)
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57 {
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58 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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59 }
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60
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61 if (observer_ != NULL)
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62 {
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63 observer_->NotifySliceChange(*this, slice);
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64 }
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65 }
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67 void LayerSourceBase::NotifyLayerReady(ILayerRenderer* layer,
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68 const SliceGeometry& viewportSlice)
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69 {
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70 std::auto_ptr<ILayerRenderer> tmp(layer);
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72 if (!started_)
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73 {
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74 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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75 }
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77 if (layer == NULL)
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78 {
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79 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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80 }
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81
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82 if (observer_ != NULL)
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83 {
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84 observer_->NotifyLayerReady(tmp.release(), *this, viewportSlice);
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85 }
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86 }
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87
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88 void LayerSourceBase::NotifyLayerError(const SliceGeometry& viewportSlice)
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89 {
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90 if (!started_)
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91 {
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92 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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93 }
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94
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95 if (observer_ != NULL)
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96 {
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97 observer_->NotifyLayerError(*this, viewportSlice);
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98 }
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99 }
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100
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101 void LayerSourceBase::SetObserver(IObserver& observer)
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102 {
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103 if (started_)
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104 {
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105 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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106 }
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107
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108 if (observer_ == NULL)
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109 {
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110 observer_ = &observer;
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111 }
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112 else
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113 {
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114 // Cannot add more than one observer
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115 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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116 }
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117 }
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118
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119 void LayerSourceBase::Start()
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120 {
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121 if (started_)
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122 {
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123 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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124 }
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125 else
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126 {
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127 started_ = true;
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128 StartInternal();
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129 }
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130 }
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131 }