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annotate Framework/Layers/ILayerSource.h @ 381:19bd222283ae

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uncoupling LayerReadyMessage from the creation of the renderer
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 06 Nov 2018 15:36:06 +0100
parents ba5ad93f935a
children 5f13809f3f76
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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) 2017-2018 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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22 #pragma once
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24 #include "ILayerRenderer.h"
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25 #include "../Toolbox/Slice.h"
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26 #include "../../Framework/Messages/IObservable.h"
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27 #include "../../Framework/Messages/IMessage.h"
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28 #include "Core/Images/Image.h"
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29 #include <boost/shared_ptr.hpp>
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31 namespace OrthancStone
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32 {
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33 class ILayerSource : public IObservable
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34 {
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35 public:
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36 typedef OriginMessage<MessageType_LayerSource_GeometryReady, ILayerSource> GeometryReadyMessage;
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37 typedef OriginMessage<MessageType_LayerSource_GeometryError, ILayerSource> GeometryErrorMessage;
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38 typedef OriginMessage<MessageType_LayerSource_ContentChanged, ILayerSource> ContentChangedMessage;
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39
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40 class SliceChangedMessage : public OriginMessage<MessageType_LayerSource_SliceChanged, ILayerSource>
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41 {
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42 private:
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43 const Slice& slice_;
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45 public:
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46 SliceChangedMessage(ILayerSource& origin,
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47 const Slice& slice) :
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48 OriginMessage(origin),
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49 slice_(slice)
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50 {
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51 }
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52
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53 const Slice& GetSlice() const
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54 {
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55 return slice_;
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56 }
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57 };
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60 class LayerReadyMessage : public OriginMessage<MessageType_LayerSource_LayerReady, ILayerSource>
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61 {
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62 public:
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63 class IRendererFactory : public boost::noncopyable
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64 {
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65 public:
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66 virtual ~IRendererFactory()
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67 {
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68 }
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70 virtual ILayerRenderer* CreateRenderer() const = 0;
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71 };
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73 private:
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74 const IRendererFactory& factory_;
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75 const CoordinateSystem3D& slice_;
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77 public:
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78 LayerReadyMessage(ILayerSource& origin,
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79 const IRendererFactory& rendererFactory,
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80 const CoordinateSystem3D& slice) :
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81 OriginMessage(origin),
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82 factory_(rendererFactory),
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83 slice_(slice)
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84 {
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85 }
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86
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87 ILayerRenderer* CreateRenderer() const
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88 {
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89 return factory_.CreateRenderer();
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90 }
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91
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92 const CoordinateSystem3D& GetSlice() const
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93 {
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94 return slice_;
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95 }
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96 };
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98
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99 class LayerErrorMessage : public OriginMessage<MessageType_LayerSource_LayerError, ILayerSource>
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100 {
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101 private:
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102 const CoordinateSystem3D& slice_;
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103
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104 public:
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105 LayerErrorMessage(ILayerSource& origin,
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106 const CoordinateSystem3D& slice) :
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107 OriginMessage(origin),
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108 slice_(slice)
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109 {
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110 }
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111
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112 const CoordinateSystem3D& GetSlice() const
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113 {
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114 return slice_;
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115 }
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116 };
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119 // TODO: Rename "ImageReadyMessage" as "SliceReadyMessage"
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120 class ImageReadyMessage : public OriginMessage<MessageType_LayerSource_ImageReady, ILayerSource>
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121 {
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122 private:
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123 const Orthanc::ImageAccessor& image_;
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124 SliceImageQuality imageQuality_;
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125 const Slice& slice_;
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126
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127 public:
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128 ImageReadyMessage(ILayerSource& origin,
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129 const Orthanc::ImageAccessor& image,
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130 SliceImageQuality imageQuality,
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131 const Slice& slice) :
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132 OriginMessage(origin),
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133 image_(image),
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134 imageQuality_(imageQuality),
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135 slice_(slice)
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136 {
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137 }
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138
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139 const Orthanc::ImageAccessor& GetImage() const
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140 {
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141 return image_;
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142 }
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143
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144 SliceImageQuality GetImageQuality() const
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145 {
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146 return imageQuality_;
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147 }
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148
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149 const Slice& GetSlice() const
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150 {
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151 return slice_;
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152 }
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153 };
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154
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155
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156 ILayerSource(MessageBroker& broker) :
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157 IObservable(broker)
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158 {
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159 }
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160
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161 virtual ~ILayerSource()
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162 {
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163 }
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164
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165 virtual bool GetExtent(std::vector<Vector>& points,
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166 const CoordinateSystem3D& viewportSlice) = 0;
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167
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168 virtual void ScheduleLayerCreation(const CoordinateSystem3D& viewportSlice) = 0;
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169 };
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170 }