Mercurial > hg > orthanc-stone
annotate Framework/Scene2D/OpenGLCompositor.cpp @ 891:0aff28f15ea2
new abstraction: IViewport
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 10 Jul 2019 18:18:42 +0200 |
parents | 77c96ba899f9 |
children | 50cd372e2460 |
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 | |
22 #include "OpenGLCompositor.h" | |
23 | |
24 #include "Internals/OpenGLAdvancedPolylineRenderer.h" | |
25 #include "Internals/OpenGLBasicPolylineRenderer.h" | |
26 #include "Internals/OpenGLColorTextureRenderer.h" | |
27 #include "Internals/OpenGLFloatTextureRenderer.h" | |
28 #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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29 #include "Internals/OpenGLLookupTableTextureRenderer.h" |
594 | 30 #include "Internals/OpenGLTextRenderer.h" |
31 | |
32 namespace OrthancStone | |
33 { | |
34 class OpenGLCompositor::Font : public boost::noncopyable | |
35 { | |
36 private: | |
37 std::auto_ptr<GlyphTextureAlphabet> alphabet_; | |
38 std::auto_ptr<OpenGL::OpenGLTexture> texture_; | |
39 | |
40 public: | |
41 Font(const GlyphBitmapAlphabet& dict) | |
42 { | |
43 alphabet_.reset(new GlyphTextureAlphabet(dict)); | |
44 texture_.reset(new OpenGL::OpenGLTexture); | |
45 | |
46 std::auto_ptr<Orthanc::ImageAccessor> bitmap(alphabet_->ReleaseTexture()); | |
47 texture_->Load(*bitmap, true /* enable linear interpolation */); | |
48 } | |
49 | |
50 OpenGL::OpenGLTexture& GetTexture() const | |
51 { | |
52 assert(texture_.get() != NULL); | |
53 return *texture_; | |
54 } | |
55 | |
56 const GlyphTextureAlphabet& GetAlphabet() const | |
57 { | |
58 assert(alphabet_.get() != NULL); | |
59 return *alphabet_; | |
60 } | |
61 }; | |
62 | |
63 | |
64 const OpenGLCompositor::Font* OpenGLCompositor::GetFont(size_t fontIndex) const | |
65 { | |
66 Fonts::const_iterator found = fonts_.find(fontIndex); | |
67 | |
68 if (found == fonts_.end()) | |
69 { | |
70 return NULL; // Unknown font, nothing should be drawn | |
71 } | |
72 else | |
73 { | |
74 assert(found->second != NULL); | |
75 return found->second; | |
76 } | |
77 } | |
78 | |
79 | |
80 Internals::CompositorHelper::ILayerRenderer* OpenGLCompositor::Create(const ISceneLayer& layer) | |
81 { | |
82 switch (layer.GetType()) | |
83 { | |
84 case ISceneLayer::Type_InfoPanel: | |
85 return new Internals::OpenGLInfoPanelRenderer | |
86 (context_, colorTextureProgram_, dynamic_cast<const InfoPanelSceneLayer&>(layer)); | |
87 | |
88 case ISceneLayer::Type_ColorTexture: | |
89 return new Internals::OpenGLColorTextureRenderer | |
90 (context_, colorTextureProgram_, dynamic_cast<const ColorTextureSceneLayer&>(layer)); | |
91 | |
92 case ISceneLayer::Type_FloatTexture: | |
93 return new Internals::OpenGLFloatTextureRenderer | |
94 (context_, floatTextureProgram_, dynamic_cast<const FloatTextureSceneLayer&>(layer)); | |
95 | |
841
266e2b0b9abc
better error reporting in DicomStructureSetLoader + fixed POST request logic
Benjamin Golinvaux <bgo@osimis.io>
parents:
617
diff
changeset
|
96 case ISceneLayer::Type_LookupTableTexture: |
266e2b0b9abc
better error reporting in DicomStructureSetLoader + fixed POST request logic
Benjamin Golinvaux <bgo@osimis.io>
parents:
617
diff
changeset
|
97 return new Internals::OpenGLLookupTableTextureRenderer |
266e2b0b9abc
better error reporting in DicomStructureSetLoader + fixed POST request logic
Benjamin Golinvaux <bgo@osimis.io>
parents:
617
diff
changeset
|
98 (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
|
99 |
594 | 100 case ISceneLayer::Type_Polyline: |
101 return new Internals::OpenGLAdvancedPolylineRenderer | |
102 (context_, linesProgram_, dynamic_cast<const PolylineSceneLayer&>(layer)); | |
103 //return new Internals::OpenGLBasicPolylineRenderer(context_, dynamic_cast<const PolylineSceneLayer&>(layer)); | |
104 | |
105 case ISceneLayer::Type_Text: | |
106 { | |
107 const TextSceneLayer& l = dynamic_cast<const TextSceneLayer&>(layer); | |
108 const Font* font = GetFont(l.GetFontIndex()); | |
109 if (font == NULL) | |
110 { | |
111 return NULL; | |
112 } | |
113 else | |
114 { | |
115 return new Internals::OpenGLTextRenderer | |
116 (context_, textProgram_, font->GetAlphabet(), font->GetTexture(), l); | |
117 } | |
118 } | |
119 | |
120 default: | |
121 return NULL; | |
122 } | |
123 } | |
124 | |
125 | |
126 OpenGLCompositor::OpenGLCompositor(OpenGL::IOpenGLContext& context, | |
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6129b1e5ba42
BasicScene SDL sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
598
diff
changeset
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127 const Scene2D& scene) : |
594 | 128 context_(context), |
129 helper_(scene, *this), | |
130 colorTextureProgram_(context), | |
131 floatTextureProgram_(context), | |
132 linesProgram_(context), | |
133 textProgram_(context), | |
134 canvasWidth_(0), | |
135 canvasHeight_(0) | |
136 { | |
137 } | |
138 | |
139 | |
140 OpenGLCompositor::~OpenGLCompositor() | |
141 { | |
142 for (Fonts::iterator it = fonts_.begin(); it != fonts_.end(); ++it) | |
143 { | |
144 assert(it->second != NULL); | |
145 delete it->second; | |
146 } | |
147 } | |
148 | |
149 | |
890
77c96ba899f9
removing OpenGLCompositor::UpdateSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
841
diff
changeset
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150 void OpenGLCompositor::Refresh() |
594 | 151 { |
152 canvasWidth_ = context_.GetCanvasWidth(); | |
153 canvasHeight_ = context_.GetCanvasHeight(); | |
154 | |
155 context_.MakeCurrent(); | |
890
77c96ba899f9
removing OpenGLCompositor::UpdateSize()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
841
diff
changeset
|
156 |
594 | 157 glViewport(0, 0, canvasWidth_, canvasHeight_); |
158 glClearColor(0, 0, 0, 1); | |
159 glClear(GL_COLOR_BUFFER_BIT); | |
160 | |
161 helper_.Refresh(canvasWidth_, canvasHeight_); | |
162 | |
163 context_.SwapBuffer(); | |
164 } | |
165 | |
166 | |
167 void OpenGLCompositor::SetFont(size_t index, | |
168 const GlyphBitmapAlphabet& dict) | |
169 { | |
170 std::auto_ptr<Font> font(new Font(dict)); | |
171 | |
172 Fonts::iterator found = fonts_.find(index); | |
173 | |
174 if (found == fonts_.end()) | |
175 { | |
176 fonts_[index] = font.release(); | |
177 } | |
178 else | |
179 { | |
180 assert(found->second != NULL); | |
181 delete found->second; | |
182 | |
183 found->second = font.release(); | |
184 } | |
185 } | |
186 | |
187 | |
188 #if ORTHANC_ENABLE_LOCALE == 1 | |
189 void OpenGLCompositor::SetFont(size_t index, | |
190 Orthanc::EmbeddedResources::FileResourceId resource, | |
191 unsigned int fontSize, | |
192 Orthanc::Encoding codepage) | |
193 { | |
194 FontRenderer renderer; | |
598 | 195 renderer.LoadFont(resource, fontSize); |
594 | 196 |
197 GlyphBitmapAlphabet dict; | |
198 dict.LoadCodepage(renderer, codepage); | |
199 | |
200 SetFont(index, dict); | |
201 } | |
202 #endif | |
203 } |