Mercurial > hg > orthanc-stone
annotate Framework/Scene2D/OpenGLCompositor.cpp @ 942:685c9a2d115f
Added missing ORTHANC_OVERRIDE + preparation for lost GL context handling + stubs for GL context event handlers
author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Mon, 05 Aug 2019 12:27:27 +0200 |
parents | 9c2f6d6b9f4a |
children | 1091b2adeb5a |
rev | line source |
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594 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2019 Osimis S.A., Belgium | |
6 * | |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 #include "OpenGLCompositor.h" | |
22 | |
23 #include "Internals/OpenGLAdvancedPolylineRenderer.h" | |
24 #include "Internals/OpenGLBasicPolylineRenderer.h" | |
25 #include "Internals/OpenGLColorTextureRenderer.h" | |
26 #include "Internals/OpenGLFloatTextureRenderer.h" | |
27 #include "Internals/OpenGLInfoPanelRenderer.h" | |
841
266e2b0b9abc
better error reporting in DicomStructureSetLoader + fixed POST request logic
Benjamin Golinvaux <bgo@osimis.io>
parents:
617
diff
changeset
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28 #include "Internals/OpenGLLookupTableTextureRenderer.h" |
594 | 29 #include "Internals/OpenGLTextRenderer.h" |
30 | |
31 namespace OrthancStone | |
32 { | |
33 class OpenGLCompositor::Font : public boost::noncopyable | |
34 { | |
35 private: | |
36 std::auto_ptr<GlyphTextureAlphabet> alphabet_; | |
37 std::auto_ptr<OpenGL::OpenGLTexture> texture_; | |
38 | |
39 public: | |
40 Font(const GlyphBitmapAlphabet& dict) | |
41 { | |
42 alphabet_.reset(new GlyphTextureAlphabet(dict)); | |
43 texture_.reset(new OpenGL::OpenGLTexture); | |
44 | |
45 std::auto_ptr<Orthanc::ImageAccessor> bitmap(alphabet_->ReleaseTexture()); | |
46 texture_->Load(*bitmap, true /* enable linear interpolation */); | |
47 } | |
48 | |
49 OpenGL::OpenGLTexture& GetTexture() const | |
50 { | |
51 assert(texture_.get() != NULL); | |
52 return *texture_; | |
53 } | |
54 | |
55 const GlyphTextureAlphabet& GetAlphabet() const | |
56 { | |
57 assert(alphabet_.get() != NULL); | |
58 return *alphabet_; | |
59 } | |
60 }; | |
61 | |
62 const OpenGLCompositor::Font* OpenGLCompositor::GetFont(size_t fontIndex) const | |
63 { | |
64 Fonts::const_iterator found = fonts_.find(fontIndex); | |
65 | |
66 if (found == fonts_.end()) | |
67 { | |
68 return NULL; // Unknown font, nothing should be drawn | |
69 } | |
70 else | |
71 { | |
72 assert(found->second != NULL); | |
73 return found->second; | |
74 } | |
75 } | |
76 | |
77 Internals::CompositorHelper::ILayerRenderer* OpenGLCompositor::Create(const ISceneLayer& layer) | |
78 { | |
79 switch (layer.GetType()) | |
80 { | |
81 case ISceneLayer::Type_InfoPanel: | |
82 return new Internals::OpenGLInfoPanelRenderer | |
83 (context_, colorTextureProgram_, dynamic_cast<const InfoPanelSceneLayer&>(layer)); | |
84 | |
85 case ISceneLayer::Type_ColorTexture: | |
86 return new Internals::OpenGLColorTextureRenderer | |
87 (context_, colorTextureProgram_, dynamic_cast<const ColorTextureSceneLayer&>(layer)); | |
88 | |
89 case ISceneLayer::Type_FloatTexture: | |
90 return new Internals::OpenGLFloatTextureRenderer | |
91 (context_, floatTextureProgram_, dynamic_cast<const FloatTextureSceneLayer&>(layer)); | |
92 | |
841
266e2b0b9abc
better error reporting in DicomStructureSetLoader + fixed POST request logic
Benjamin Golinvaux <bgo@osimis.io>
parents:
617
diff
changeset
|
93 case ISceneLayer::Type_LookupTableTexture: |
266e2b0b9abc
better error reporting in DicomStructureSetLoader + fixed POST request logic
Benjamin Golinvaux <bgo@osimis.io>
parents:
617
diff
changeset
|
94 return new Internals::OpenGLLookupTableTextureRenderer |
266e2b0b9abc
better error reporting in DicomStructureSetLoader + fixed POST request logic
Benjamin Golinvaux <bgo@osimis.io>
parents:
617
diff
changeset
|
95 (context_, colorTextureProgram_, dynamic_cast<const LookupTableTextureSceneLayer&>(layer)); |
266e2b0b9abc
better error reporting in DicomStructureSetLoader + fixed POST request logic
Benjamin Golinvaux <bgo@osimis.io>
parents:
617
diff
changeset
|
96 |
594 | 97 case ISceneLayer::Type_Polyline: |
98 return new Internals::OpenGLAdvancedPolylineRenderer | |
99 (context_, linesProgram_, dynamic_cast<const PolylineSceneLayer&>(layer)); | |
100 //return new Internals::OpenGLBasicPolylineRenderer(context_, dynamic_cast<const PolylineSceneLayer&>(layer)); | |
101 | |
102 case ISceneLayer::Type_Text: | |
103 { | |
104 const TextSceneLayer& l = dynamic_cast<const TextSceneLayer&>(layer); | |
105 const Font* font = GetFont(l.GetFontIndex()); | |
106 if (font == NULL) | |
107 { | |
108 return NULL; | |
109 } | |
110 else | |
111 { | |
112 return new Internals::OpenGLTextRenderer | |
113 (context_, textProgram_, font->GetAlphabet(), font->GetTexture(), l); | |
114 } | |
115 } | |
116 | |
117 default: | |
118 return NULL; | |
119 } | |
120 } | |
121 | |
122 OpenGLCompositor::OpenGLCompositor(OpenGL::IOpenGLContext& context, | |
600
6129b1e5ba42
BasicScene SDL sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
598
diff
changeset
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123 const Scene2D& scene) : |
594 | 124 context_(context), |
125 helper_(scene, *this), | |
126 colorTextureProgram_(context), | |
127 floatTextureProgram_(context), | |
128 linesProgram_(context), | |
129 textProgram_(context), | |
130 canvasWidth_(0), | |
131 canvasHeight_(0) | |
132 { | |
133 } | |
134 | |
135 OpenGLCompositor::~OpenGLCompositor() | |
136 { | |
137 for (Fonts::iterator it = fonts_.begin(); it != fonts_.end(); ++it) | |
138 { | |
139 assert(it->second != NULL); | |
140 delete it->second; | |
141 } | |
142 } | |
143 | |
890
77c96ba899f9
removing OpenGLCompositor::UpdateSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
841
diff
changeset
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144 void OpenGLCompositor::Refresh() |
594 | 145 { |
892
50cd372e2460
fix OpenGL context for fonts
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
891
diff
changeset
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146 context_.MakeCurrent(); |
50cd372e2460
fix OpenGL context for fonts
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
891
diff
changeset
|
147 |
594 | 148 canvasWidth_ = context_.GetCanvasWidth(); |
149 canvasHeight_ = context_.GetCanvasHeight(); | |
150 | |
151 glViewport(0, 0, canvasWidth_, canvasHeight_); | |
152 glClearColor(0, 0, 0, 1); | |
153 glClear(GL_COLOR_BUFFER_BIT); | |
154 | |
155 helper_.Refresh(canvasWidth_, canvasHeight_); | |
156 | |
157 context_.SwapBuffer(); | |
158 } | |
159 | |
160 void OpenGLCompositor::SetFont(size_t index, | |
161 const GlyphBitmapAlphabet& dict) | |
162 { | |
892
50cd372e2460
fix OpenGL context for fonts
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
891
diff
changeset
|
163 context_.MakeCurrent(); |
50cd372e2460
fix OpenGL context for fonts
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
891
diff
changeset
|
164 |
594 | 165 std::auto_ptr<Font> font(new Font(dict)); |
166 | |
167 Fonts::iterator found = fonts_.find(index); | |
168 | |
169 if (found == fonts_.end()) | |
170 { | |
171 fonts_[index] = font.release(); | |
172 } | |
173 else | |
174 { | |
175 assert(found->second != NULL); | |
176 delete found->second; | |
177 | |
178 found->second = font.release(); | |
179 } | |
180 } | |
181 | |
182 #if ORTHANC_ENABLE_LOCALE == 1 | |
183 void OpenGLCompositor::SetFont(size_t index, | |
184 Orthanc::EmbeddedResources::FileResourceId resource, | |
185 unsigned int fontSize, | |
186 Orthanc::Encoding codepage) | |
187 { | |
188 FontRenderer renderer; | |
598 | 189 renderer.LoadFont(resource, fontSize); |
594 | 190 |
191 GlyphBitmapAlphabet dict; | |
192 dict.LoadCodepage(renderer, codepage); | |
193 | |
194 SetFont(index, dict); | |
195 } | |
196 #endif | |
197 } |