Mercurial > hg > orthanc-stone
annotate Samples/WebAssembly/dev.h @ 1327:4f8db2d202c8 broker
OrthancSeriesProgressiveLoader now has two modes that
can be selected at object creation :
- progressive (will first load jpeg50, then jpeg90 then PAM)
- non-progressive (will directly load PAM (uncompressed))
Please note that the slice loading order remains dynamic
and depending upon the slice that the client code wishes
to extract from the volume.
| author | Benjamin Golinvaux <bgo@osimis.io> |
|---|---|
| date | Wed, 25 Mar 2020 14:34:27 +0100 |
| parents | 8a0a62189f46 |
| children |
| rev | line source |
|---|---|
| 826 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
| 826 | 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 #pragma once | |
| 23 | |
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24 #include "../../Framework/Viewport/WebAssemblyViewport.h" |
| 826 | 25 #include "../../Framework/Scene2D/OpenGLCompositor.h" |
| 26 #include "../../Framework/Scene2D/PanSceneTracker.h" | |
| 27 #include "../../Framework/Scene2D/RotateSceneTracker.h" | |
| 28 #include "../../Framework/Scene2D/ZoomSceneTracker.h" | |
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29 #include "../../Framework/Scene2DViewport/UndoStack.h" |
| 826 | 30 #include "../../Framework/Scene2DViewport/ViewportController.h" |
| 31 | |
| 32 #include <Core/OrthancException.h> | |
| 33 | |
| 34 #include <emscripten/html5.h> | |
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35 #include <boost/make_shared.hpp> |
| 826 | 36 |
| 37 static const unsigned int FONT_SIZE = 32; | |
| 38 | |
| 39 namespace OrthancStone | |
| 40 { | |
| 41 class ActiveTracker : public boost::noncopyable | |
| 42 { | |
| 43 private: | |
| 44 boost::shared_ptr<IFlexiblePointerTracker> tracker_; | |
| 45 std::string canvasIdentifier_; | |
| 46 bool insideCanvas_; | |
| 47 | |
| 48 public: | |
| 49 ActiveTracker(const boost::shared_ptr<IFlexiblePointerTracker>& tracker, | |
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50 const std::string& canvasId) : |
| 826 | 51 tracker_(tracker), |
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52 canvasIdentifier_(canvasId), |
| 826 | 53 insideCanvas_(true) |
| 54 { | |
| 55 if (tracker_.get() == NULL) | |
| 56 { | |
| 57 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 58 } | |
| 59 } | |
| 60 | |
| 61 bool IsAlive() const | |
| 62 { | |
| 63 return tracker_->IsAlive(); | |
| 64 } | |
| 65 | |
| 66 void PointerMove(const PointerEvent& event) | |
| 67 { | |
| 68 tracker_->PointerMove(event); | |
| 69 } | |
| 70 | |
| 71 void PointerUp(const PointerEvent& event) | |
| 72 { | |
| 73 tracker_->PointerUp(event); | |
| 74 } | |
| 75 }; | |
| 76 } | |
| 77 | |
| 78 static OrthancStone::PointerEvent* ConvertMouseEvent( | |
| 79 const EmscriptenMouseEvent& source, | |
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80 OrthancStone::IViewport& viewport) |
| 826 | 81 { |
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82 std::unique_ptr<OrthancStone::PointerEvent> target( |
| 826 | 83 new OrthancStone::PointerEvent); |
| 84 | |
| 85 target->AddPosition(viewport.GetPixelCenterCoordinates( | |
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86 source.targetX, source.targetY)); |
| 826 | 87 target->SetAltModifier(source.altKey); |
| 88 target->SetControlModifier(source.ctrlKey); | |
| 89 target->SetShiftModifier(source.shiftKey); | |
| 90 | |
| 91 return target.release(); | |
| 92 } | |
| 93 | |
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94 std::unique_ptr<OrthancStone::ActiveTracker> tracker_; |
| 826 | 95 |
| 96 EM_BOOL OnMouseEvent(int eventType, | |
| 97 const EmscriptenMouseEvent *mouseEvent, | |
| 98 void *userData) | |
| 99 { | |
| 100 if (mouseEvent != NULL && | |
| 101 userData != NULL) | |
| 102 { | |
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103 boost::shared_ptr<OrthancStone::ViewportController>& controller = |
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104 *reinterpret_cast<boost::shared_ptr<OrthancStone::ViewportController>*>(userData); |
| 826 | 105 |
| 106 switch (eventType) | |
| 107 { | |
| 108 case EMSCRIPTEN_EVENT_CLICK: | |
| 109 { | |
| 110 static unsigned int count = 0; | |
| 111 char buf[64]; | |
| 112 sprintf(buf, "click %d", count++); | |
| 113 | |
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114 std::unique_ptr<OrthancStone::TextSceneLayer> layer(new OrthancStone::TextSceneLayer); |
| 826 | 115 layer->SetText(buf); |
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116 controller->GetViewport().GetScene().SetLayer(100, layer.release()); |
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117 controller->GetViewport().Refresh(); |
| 826 | 118 break; |
| 119 } | |
| 120 | |
| 121 case EMSCRIPTEN_EVENT_MOUSEDOWN: | |
| 122 { | |
| 123 boost::shared_ptr<OrthancStone::IFlexiblePointerTracker> t; | |
| 124 | |
| 125 { | |
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126 std::unique_ptr<OrthancStone::PointerEvent> event( |
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127 ConvertMouseEvent(*mouseEvent, controller->GetViewport())); |
| 826 | 128 |
| 129 switch (mouseEvent->button) | |
| 130 { | |
| 131 case 0: // Left button | |
| 132 emscripten_console_log("Creating RotateSceneTracker"); | |
| 133 t.reset(new OrthancStone::RotateSceneTracker( | |
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134 controller, *event)); |
| 826 | 135 break; |
| 136 | |
| 137 case 1: // Middle button | |
| 138 emscripten_console_log("Creating PanSceneTracker"); | |
| 139 LOG(INFO) << "Creating PanSceneTracker" ; | |
| 140 t.reset(new OrthancStone::PanSceneTracker( | |
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141 controller, *event)); |
| 826 | 142 break; |
| 143 | |
| 144 case 2: // Right button | |
| 145 emscripten_console_log("Creating ZoomSceneTracker"); | |
| 146 t.reset(new OrthancStone::ZoomSceneTracker( | |
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147 controller, *event, controller->GetViewport().GetCanvasWidth())); |
| 826 | 148 break; |
| 149 | |
| 150 default: | |
| 151 break; | |
| 152 } | |
| 153 } | |
| 154 | |
| 155 if (t.get() != NULL) | |
| 156 { | |
| 157 tracker_.reset( | |
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158 new OrthancStone::ActiveTracker(t, controller->GetViewport().GetCanvasIdentifier())); |
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159 controller->GetViewport().Refresh(); |
| 826 | 160 } |
| 161 | |
| 162 break; | |
| 163 } | |
| 164 | |
| 165 case EMSCRIPTEN_EVENT_MOUSEMOVE: | |
| 166 if (tracker_.get() != NULL) | |
| 167 { | |
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168 std::unique_ptr<OrthancStone::PointerEvent> event( |
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169 ConvertMouseEvent(*mouseEvent, controller->GetViewport())); |
| 826 | 170 tracker_->PointerMove(*event); |
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171 controller->GetViewport().Refresh(); |
| 826 | 172 } |
| 173 break; | |
| 174 | |
| 175 case EMSCRIPTEN_EVENT_MOUSEUP: | |
| 176 if (tracker_.get() != NULL) | |
| 177 { | |
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178 std::unique_ptr<OrthancStone::PointerEvent> event( |
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179 ConvertMouseEvent(*mouseEvent, controller->GetViewport())); |
| 826 | 180 tracker_->PointerUp(*event); |
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181 controller->GetViewport().Refresh(); |
| 826 | 182 if (!tracker_->IsAlive()) |
| 183 tracker_.reset(); | |
| 184 } | |
| 185 break; | |
| 186 | |
| 187 default: | |
| 188 break; | |
| 189 } | |
| 190 } | |
| 191 | |
| 192 return true; | |
| 193 } | |
| 194 | |
| 195 | |
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196 void SetupEvents(const std::string& canvas, |
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197 boost::shared_ptr<OrthancStone::ViewportController>& controller) |
| 826 | 198 { |
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199 emscripten_set_mousedown_callback(canvas.c_str(), &controller, false, OnMouseEvent); |
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200 emscripten_set_mousemove_callback(canvas.c_str(), &controller, false, OnMouseEvent); |
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201 emscripten_set_mouseup_callback(canvas.c_str(), &controller, false, OnMouseEvent); |
| 826 | 202 } |