Mercurial > hg > orthanc-stone

annotate Framework/Viewport/WebAssemblyViewport.h @ 1333:5b731e176236 broker

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Added missing #include directives
author Benjamin Golinvaux <bgo@osimis.io>
date Tue, 31 Mar 2020 11:01:00 +0200
parents ab81ee8fce1f
children df8bf351c23f
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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
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22 #pragma once
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23
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24 #if !defined(ORTHANC_ENABLE_WASM)
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25 # error Macro ORTHANC_ENABLE_WASM must be defined
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26 #endif
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27
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28 #if ORTHANC_ENABLE_WASM != 1
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29 # error This file can only be used if targeting WebAssembly
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30 #endif
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31
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32 #include "IViewport.h"
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33
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34 #include <Core/Compatibility.h>
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35
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36 #include <emscripten.h>
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37 #include <emscripten/html5.h>
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38
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39 #include <memory>
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40 #include <string>
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41
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42 namespace OrthancStone
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43 {
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44 class WebAssemblyViewport : public IViewport,
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45 public boost::enable_shared_from_this<WebAssemblyViewport>
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46
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47 {
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48 private:
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49 class WasmLock;
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50
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51 std::string shortCanvasId_;
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52 std::string fullCanvasId_;
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53 std::unique_ptr<ICompositor> compositor_;
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54 std::unique_ptr<ViewportController> controller_;
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55 std::unique_ptr<IViewportInteractor> interactor_;
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56 bool enableEmscriptenEvents_;
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57
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58 static EM_BOOL OnRequestAnimationFrame(double time, void *userData);
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59
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60 static EM_BOOL OnResize(int eventType, const EmscriptenUiEvent *uiEvent, void *userData);
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61
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62 static EM_BOOL OnMouseDown(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData);
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63
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64 static EM_BOOL OnMouseMove(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData);
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65
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66 static EM_BOOL OnMouseUp(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData);
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67
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68 protected:
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69 void Invalidate();
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70
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71 void ClearCompositor()
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72 {
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73 compositor_.reset();
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74 }
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75
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76 bool HasCompositor() const
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77 {
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78 return compositor_.get() != NULL;
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79 }
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80
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81 void AcquireCompositor(ICompositor* compositor /* takes ownership */);
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82
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83 virtual void Paint(ICompositor& compositor,
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84 ViewportController& controller) = 0;
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85
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86 virtual void UpdateSize(ICompositor& compositor) = 0;
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87
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88 /**
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89 The second argument is temporary and should be deleted once the migration
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90 to interactors is finished.
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91 */
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92 WebAssemblyViewport(const std::string& canvasId,
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93 bool enableEmscriptenEvents = true);
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94
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95 void PostConstructor();
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96
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97 public:
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98 virtual ILock* Lock() ORTHANC_OVERRIDE;
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99
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100 ~WebAssemblyViewport();
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101
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102
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103 /**
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104 This method takes ownership
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105 */
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106 void AcquireInteractor(IViewportInteractor* interactor);
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107
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108 const std::string& GetShortCanvasId() const
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109 {
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110 return shortCanvasId_;
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111 }
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112
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113 const std::string& GetFullCanvasId() const
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114 {
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115 return fullCanvasId_;
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116 }
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117 };
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118 }