annotate OrthancStone/Sources/Scene2D/OpenGLCompositor.cpp @ 1595:621e4e11783d

doxygen target, more consistent ORTHANC_STONE_ROOT
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 26 Oct 2020 17:42:13 +0100
parents 92fca2b3ba3d
children 8563ea5d8ae4
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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 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 #include "OpenGLCompositor.h"
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22
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23 #include "Internals/OpenGLAdvancedPolylineRenderer.h"
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24 #include "Internals/OpenGLBasicPolylineRenderer.h"
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25 #include "Internals/OpenGLColorTextureRenderer.h"
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26 #include "Internals/OpenGLFloatTextureRenderer.h"
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27 #include "Internals/OpenGLInfoPanelRenderer.h"
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28 #include "Internals/OpenGLLookupTableTextureRenderer.h"
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29 #include "Internals/OpenGLTextRenderer.h"
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30
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31 namespace OrthancStone
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32 {
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33 class OpenGLCompositor::Font : public boost::noncopyable
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34 {
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35 private:
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36 std::unique_ptr<GlyphTextureAlphabet> alphabet_;
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37 std::unique_ptr<OpenGL::OpenGLTexture> texture_;
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38
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39 public:
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40 Font(OpenGL::IOpenGLContext& context, const GlyphBitmapAlphabet& dict)
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41 {
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42 alphabet_.reset(new GlyphTextureAlphabet(dict));
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43 texture_.reset(new OpenGL::OpenGLTexture(context));
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44
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45 std::unique_ptr<Orthanc::ImageAccessor> bitmap(alphabet_->ReleaseTexture());
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46 texture_->Load(*bitmap, true /* enable linear interpolation */);
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47 }
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48
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49 OpenGL::OpenGLTexture& GetTexture() const
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50 {
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51 assert(texture_.get() != NULL);
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52 return *texture_;
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53 }
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54
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55 const GlyphTextureAlphabet& GetAlphabet() const
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56 {
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57 assert(alphabet_.get() != NULL);
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58 return *alphabet_;
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59 }
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60 };
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61
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62 const OpenGLCompositor::Font* OpenGLCompositor::GetFont(size_t fontIndex) const
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63 {
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64 Fonts::const_iterator found = fonts_.find(fontIndex);
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65
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66 if (found == fonts_.end())
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67 {
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68 return NULL; // Unknown font, nothing should be drawn
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69 }
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70 else
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71 {
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72 assert(found->second != NULL);
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73 return found->second;
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74 }
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75 }
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76
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77 Internals::CompositorHelper::ILayerRenderer* OpenGLCompositor::Create(const ISceneLayer& layer)
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78 {
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79 if (!context_.IsContextLost())
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80 {
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81 switch (layer.GetType())
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82 {
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83 case ISceneLayer::Type_InfoPanel:
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84 return new Internals::OpenGLInfoPanelRenderer
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85 (context_, colorTextureProgram_, dynamic_cast<const InfoPanelSceneLayer&>(layer));
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86
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87 case ISceneLayer::Type_ColorTexture:
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88 return new Internals::OpenGLColorTextureRenderer
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89 (context_, colorTextureProgram_, dynamic_cast<const ColorTextureSceneLayer&>(layer));
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90
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91 case ISceneLayer::Type_FloatTexture:
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92 return new Internals::OpenGLFloatTextureRenderer
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93 (context_, floatTextureProgram_, dynamic_cast<const FloatTextureSceneLayer&>(layer));
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94
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95 case ISceneLayer::Type_LookupTableTexture:
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96 return new Internals::OpenGLLookupTableTextureRenderer
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97 (context_, colorTextureProgram_, dynamic_cast<const LookupTableTextureSceneLayer&>(layer));
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98
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99 case ISceneLayer::Type_Polyline:
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100 return new Internals::OpenGLAdvancedPolylineRenderer
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101 (context_, linesProgram_, dynamic_cast<const PolylineSceneLayer&>(layer));
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102 //return new Internals::OpenGLBasicPolylineRenderer(context_, dynamic_cast<const PolylineSceneLayer&>(layer));
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103
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104 case ISceneLayer::Type_Text:
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105 {
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106 const TextSceneLayer& l = dynamic_cast<const TextSceneLayer&>(layer);
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107 const Font* font = GetFont(l.GetFontIndex());
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108 if (font == NULL)
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109 {
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110 LOG(WARNING) << "There is no font at index " << l.GetFontIndex();
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111 return NULL;
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112 }
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113 else
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114 {
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115 return new Internals::OpenGLTextRenderer
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116 (context_, textProgram_, font->GetAlphabet(), font->GetTexture(), l);
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117 }
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118 }
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119
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120 default:
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121 return NULL;
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122 }
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123 }
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124 else
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125 {
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126 // context is lost. returning null.
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127 return NULL;
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128 }
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129 }
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130
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131 OpenGLCompositor::OpenGLCompositor(OpenGL::IOpenGLContext& context) :
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132 context_(context),
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133 colorTextureProgram_(context),
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134 floatTextureProgram_(context),
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135 linesProgram_(context),
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136 textProgram_(context),
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137 canvasWidth_(0),
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138 canvasHeight_(0)
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139 {
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140 ResetScene();
594
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141 }
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142
9807ed3d3e03 OpenGLCompositor
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143 OpenGLCompositor::~OpenGLCompositor()
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144 {
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145 if (!context_.IsContextLost())
594
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146 {
1327
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
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147 try
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148 {
1327
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149 try
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
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150 {
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
151 context_.MakeCurrent(); // this can throw if context lost!
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Benjamin Golinvaux <bgo@osimis.io>
parents: 1300
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152 }
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
Benjamin Golinvaux <bgo@osimis.io>
parents: 1300
diff changeset
153 catch (...)
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
Benjamin Golinvaux <bgo@osimis.io>
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154 {
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
Benjamin Golinvaux <bgo@osimis.io>
parents: 1300
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155 LOG(ERROR) << "context_.MakeCurrent() failed in OpenGLCompositor::~OpenGLCompositor()!";
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
Benjamin Golinvaux <bgo@osimis.io>
parents: 1300
diff changeset
156 }
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
Benjamin Golinvaux <bgo@osimis.io>
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157
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
Benjamin Golinvaux <bgo@osimis.io>
parents: 1300
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158 for (Fonts::iterator it = fonts_.begin(); it != fonts_.end(); ++it)
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parents: 1300
diff changeset
159 {
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
Benjamin Golinvaux <bgo@osimis.io>
parents: 1300
diff changeset
160 try
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
Benjamin Golinvaux <bgo@osimis.io>
parents: 1300
diff changeset
161 {
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
Benjamin Golinvaux <bgo@osimis.io>
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162
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
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163 assert(it->second != NULL);
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
Benjamin Golinvaux <bgo@osimis.io>
parents: 1300
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164 delete it->second;
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
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165 }
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
Benjamin Golinvaux <bgo@osimis.io>
parents: 1300
diff changeset
166 catch (...)
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
Benjamin Golinvaux <bgo@osimis.io>
parents: 1300
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167 {
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
Benjamin Golinvaux <bgo@osimis.io>
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168 LOG(ERROR) << "Exception thrown while deleting OpenGL-based font!";
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Benjamin Golinvaux <bgo@osimis.io>
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169 }
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
Benjamin Golinvaux <bgo@osimis.io>
parents: 1300
diff changeset
170 }
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
Benjamin Golinvaux <bgo@osimis.io>
parents: 1300
diff changeset
171 }
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
Benjamin Golinvaux <bgo@osimis.io>
parents: 1300
diff changeset
172 catch (...)
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
Benjamin Golinvaux <bgo@osimis.io>
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173 {
4f8db2d202c8 OrthancSeriesProgressiveLoader now has two modes that
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174 // logging threw an exception!
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175 }
594
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176 }
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177 }
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178
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179 void OpenGLCompositor::Refresh(const Scene2D& scene)
594
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180 {
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181 if (!context_.IsContextLost())
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182 {
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183 context_.MakeCurrent(); // this can throw if context lost!
594
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184
947
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185 glViewport(0, 0, canvasWidth_, canvasHeight_);
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186 glClearColor(0, 0, 0, 1);
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187 glClear(GL_COLOR_BUFFER_BIT);
594
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188
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189 helper_->Refresh(scene, canvasWidth_, canvasHeight_);
594
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190
947
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191 context_.SwapBuffer();
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192 }
594
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parents:
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193 }
9807ed3d3e03 OpenGLCompositor
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parents:
diff changeset
194
9807ed3d3e03 OpenGLCompositor
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195 void OpenGLCompositor::SetFont(size_t index,
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196 const GlyphBitmapAlphabet& dict)
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197 {
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diff changeset
198 if (!context_.IsContextLost())
594
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199 {
947
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200 context_.MakeCurrent(); // this can throw if context lost
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parents: 942
diff changeset
201
1298
8a0a62189f46 replacing std::auto_ptr by std::unique_ptr
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parents: 1270
diff changeset
202 std::unique_ptr<Font> font(new Font(context_, dict));
947
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diff changeset
203
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
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parents: 942
diff changeset
204 Fonts::iterator found = fonts_.find(index);
594
9807ed3d3e03 OpenGLCompositor
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parents:
diff changeset
205
947
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206 if (found == fonts_.end())
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diff changeset
207 {
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 942
diff changeset
208 fonts_[index] = font.release();
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diff changeset
209 }
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 942
diff changeset
210 else
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 942
diff changeset
211 {
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 942
diff changeset
212 assert(found->second != NULL);
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diff changeset
213 delete found->second;
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diff changeset
214
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
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parents: 942
diff changeset
215 found->second = font.release();
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diff changeset
216 }
594
9807ed3d3e03 OpenGLCompositor
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parents:
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217 }
9807ed3d3e03 OpenGLCompositor
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parents:
diff changeset
218 }
9807ed3d3e03 OpenGLCompositor
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parents:
diff changeset
219
9807ed3d3e03 OpenGLCompositor
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parents:
diff changeset
220 #if ORTHANC_ENABLE_LOCALE == 1
9807ed3d3e03 OpenGLCompositor
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parents:
diff changeset
221 void OpenGLCompositor::SetFont(size_t index,
1471
28c64c246312 working on a shared library
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1327
diff changeset
222 const std::string& ttf,
594
9807ed3d3e03 OpenGLCompositor
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parents:
diff changeset
223 unsigned int fontSize,
9807ed3d3e03 OpenGLCompositor
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parents:
diff changeset
224 Orthanc::Encoding codepage)
9807ed3d3e03 OpenGLCompositor
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diff changeset
225 {
947
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parents: 942
diff changeset
226 if (!context_.IsContextLost())
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parents: 942
diff changeset
227 {
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
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diff changeset
228 FontRenderer renderer;
1471
28c64c246312 working on a shared library
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1327
diff changeset
229 renderer.LoadFont(ttf, fontSize);
594
9807ed3d3e03 OpenGLCompositor
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parents:
diff changeset
230
947
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Benjamin Golinvaux <bgo@osimis.io>
parents: 942
diff changeset
231 GlyphBitmapAlphabet dict;
1091b2adeb5a Fixed animation frame stopping when returning false + big work on the OpenGL
Benjamin Golinvaux <bgo@osimis.io>
parents: 942
diff changeset
232 dict.LoadCodepage(renderer, codepage);
594
9807ed3d3e03 OpenGLCompositor
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parents:
diff changeset
233
947
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Benjamin Golinvaux <bgo@osimis.io>
parents: 942
diff changeset
234 SetFont(index, dict);
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Benjamin Golinvaux <bgo@osimis.io>
parents: 942
diff changeset
235 }
594
9807ed3d3e03 OpenGLCompositor
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parents:
diff changeset
236 }
9807ed3d3e03 OpenGLCompositor
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parents:
diff changeset
237 #endif
1482
5c96bf3f1d32 IOpenGL::RefreshCanvasSize()
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parents: 1471
diff changeset
238
5c96bf3f1d32 IOpenGL::RefreshCanvasSize()
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parents: 1471
diff changeset
239
1576
92fca2b3ba3d sanitizing the handling of canvas size
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diff changeset
240 void OpenGLCompositor::SetCanvasSize(unsigned int canvasWidth,
92fca2b3ba3d sanitizing the handling of canvas size
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parents: 1571
diff changeset
241 unsigned int canvasHeight)
1482
5c96bf3f1d32 IOpenGL::RefreshCanvasSize()
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parents: 1471
diff changeset
242 {
1576
92fca2b3ba3d sanitizing the handling of canvas size
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parents: 1571
diff changeset
243 canvasWidth_ = canvasWidth;
92fca2b3ba3d sanitizing the handling of canvas size
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parents: 1571
diff changeset
244 canvasHeight_ = canvasHeight;
1482
5c96bf3f1d32 IOpenGL::RefreshCanvasSize()
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parents: 1471
diff changeset
245 }
594
9807ed3d3e03 OpenGLCompositor
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parents:
diff changeset
246 }