Mercurial > hg > orthanc-stone
annotate Framework/Scene2D/OpenGLCompositor.cpp @ 892:50cd372e2460
fix OpenGL context for fonts
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 11 Jul 2019 09:18:55 +0200 |
| parents | 0aff28f15ea2 |
| children | 9c2f6d6b9f4a |
| rev | line source |
|---|---|
| 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
|
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, | |
|
600
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 { |
|
892
50cd372e2460
fix OpenGL context for fonts
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
891
diff
changeset
|
152 context_.MakeCurrent(); |
|
50cd372e2460
fix OpenGL context for fonts
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
891
diff
changeset
|
153 |
| 594 | 154 canvasWidth_ = context_.GetCanvasWidth(); |
| 155 canvasHeight_ = context_.GetCanvasHeight(); | |
| 156 | |
| 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 { | |
|
892
50cd372e2460
fix OpenGL context for fonts
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
891
diff
changeset
|
170 context_.MakeCurrent(); |
|
50cd372e2460
fix OpenGL context for fonts
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
891
diff
changeset
|
171 |
| 594 | 172 std::auto_ptr<Font> font(new Font(dict)); |
| 173 | |
| 174 Fonts::iterator found = fonts_.find(index); | |
| 175 | |
| 176 if (found == fonts_.end()) | |
| 177 { | |
| 178 fonts_[index] = font.release(); | |
| 179 } | |
| 180 else | |
| 181 { | |
| 182 assert(found->second != NULL); | |
| 183 delete found->second; | |
| 184 | |
| 185 found->second = font.release(); | |
| 186 } | |
| 187 } | |
| 188 | |
| 189 | |
| 190 #if ORTHANC_ENABLE_LOCALE == 1 | |
| 191 void OpenGLCompositor::SetFont(size_t index, | |
| 192 Orthanc::EmbeddedResources::FileResourceId resource, | |
| 193 unsigned int fontSize, | |
| 194 Orthanc::Encoding codepage) | |
| 195 { | |
| 196 FontRenderer renderer; | |
| 598 | 197 renderer.LoadFont(resource, fontSize); |
| 594 | 198 |
| 199 GlyphBitmapAlphabet dict; | |
| 200 dict.LoadCodepage(renderer, codepage); | |
| 201 | |
| 202 SetFont(index, dict); | |
| 203 } | |
| 204 #endif | |
| 205 } |