Mercurial > hg > orthanc-stone

annotate Applications/Platforms/WebAssembly/WebAssemblyViewport.cpp @ 1618:9a52bac0c2a7

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Added code to clear pending calls to RequestAnimationFrame
author Benjamin Golinvaux <bgo@osimis.io>
date Mon, 02 Nov 2020 17:54:18 +0100
parents 5887a4f8594b
children 575f512cdf48
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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 #if defined(ORTHANC_BUILDING_STONE_LIBRARY) && ORTHANC_BUILDING_STONE_LIBRARY == 1
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23 # include "WebAssemblyViewport.h"
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24 # include "../../../OrthancStone/Sources/Scene2DViewport/ViewportController.h"
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25 # include "../../../OrthancStone/Sources/Toolbox/GenericToolbox.h"
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26 # include "../../../OrthancStone/Sources/Viewport/DefaultViewportInteractor.h"
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27 #else
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28 // This is the case when using the WebAssembly side module, and this
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29 // source file must be compiled within the WebAssembly main module
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30 # include <Viewport/WebAssemblyViewport.h>
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31 # include <Toolbox/GenericToolbox.h>
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32 # include <Scene2DViewport/ViewportController.h>
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33 # include <Viewport/DefaultViewportInteractor.h>
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34 #endif
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35
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36
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37 #include <OrthancException.h>
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38
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39 #include <boost/make_shared.hpp>
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40 #include <boost/enable_shared_from_this.hpp>
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41 #include <boost/math/special_functions/round.hpp>
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42
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43 namespace OrthancStone
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44 {
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45 static void ConvertMouseEvent(PointerEvent& target,
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46 const EmscriptenMouseEvent& source,
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47 const ICompositor& compositor)
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48 {
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49 int x = static_cast<int>(source.targetX);
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50 int y = static_cast<int>(source.targetY);
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51
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52 switch (source.button)
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53 {
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54 case 0:
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55 target.SetMouseButton(MouseButton_Left);
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56 break;
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57
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58 case 1:
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59 target.SetMouseButton(MouseButton_Middle);
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60 break;
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61
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62 case 2:
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63 target.SetMouseButton(MouseButton_Right);
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64 break;
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65
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66 default:
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67 target.SetMouseButton(MouseButton_None);
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68 break;
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69 }
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70
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71 target.AddPosition(compositor.GetPixelCenterCoordinates(x, y));
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72 target.SetAltModifier(source.altKey);
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73 target.SetControlModifier(source.ctrlKey);
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74 target.SetShiftModifier(source.shiftKey);
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75 }
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76
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77
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78 class WebAssemblyViewport::WasmLock : public ILock
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79 {
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80 private:
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81 WebAssemblyViewport& that_;
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82
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83 public:
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84 WasmLock(WebAssemblyViewport& that) :
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85 that_(that)
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86 {
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87 }
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88
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89 virtual bool HasCompositor() const ORTHANC_OVERRIDE
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90 {
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91 return that_.compositor_.get() != NULL;
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92 }
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93
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94 virtual ICompositor& GetCompositor() ORTHANC_OVERRIDE
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95 {
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96 if (that_.compositor_.get() == NULL)
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97 {
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98 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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99 }
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100 else
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101 {
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102 return *that_.compositor_;
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103 }
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104 }
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105
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106 virtual ViewportController& GetController() ORTHANC_OVERRIDE
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107 {
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108 assert(that_.controller_);
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109 return *that_.controller_;
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110 }
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111
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112 virtual void Invalidate() ORTHANC_OVERRIDE
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113 {
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114 that_.Invalidate();
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115 }
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116
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117 virtual void RefreshCanvasSize() ORTHANC_OVERRIDE
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118 {
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119 that_.RefreshCanvasSize();
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120 }
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121 };
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122
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123
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124 EM_BOOL WebAssemblyViewport::OnRequestAnimationFrame(double time, void *userData)
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125 {
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126 LOG(TRACE) << __func__;
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127 WebAssemblyViewport* that = reinterpret_cast<WebAssemblyViewport*>(userData);
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128
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129 if (that->compositor_.get() != NULL &&
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130 that->controller_ /* should always be true */)
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131 {
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132 that->animationFrameCallbackIds_.clear();
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133 that->Paint(*that->compositor_, *that->controller_);
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134 }
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135
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136 LOG(TRACE) << "Exiting: " << __func__;
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137 return true;
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138 }
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139
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140 EM_BOOL WebAssemblyViewport::OnResize(int eventType, const EmscriptenUiEvent *uiEvent, void *userData)
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141 {
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142 LOG(TRACE) << __func__;
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143 WebAssemblyViewport* that = reinterpret_cast<WebAssemblyViewport*>(userData);
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144
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145 if (that->compositor_.get() != NULL)
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146 {
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147 that->RefreshCanvasSize();
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148 that->Invalidate();
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149 }
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150
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151 LOG(TRACE) << "Exiting: " << __func__;
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152 return true;
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153 }
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154
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155
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156 EM_BOOL WebAssemblyViewport::OnMouseDown(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData)
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157 {
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158 WebAssemblyViewport* that = reinterpret_cast<WebAssemblyViewport*>(userData);
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159
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160 LOG(TRACE) << "mouse down: " << that->GetCanvasCssSelector();
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161
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162 if (that->compositor_.get() != NULL &&
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163 that->interactor_.get() != NULL)
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164 {
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165 PointerEvent pointer;
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166 ConvertMouseEvent(pointer, *mouseEvent, *that->compositor_);
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167
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168 that->controller_->HandleMousePress(*that->interactor_, pointer,
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169 that->compositor_->GetCanvasWidth(),
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170 that->compositor_->GetCanvasHeight());
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171 that->Invalidate();
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172 }
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173
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174 LOG(TRACE) << "Exiting: " << __func__;
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175 return true;
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176 }
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177
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178
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179 EM_BOOL WebAssemblyViewport::OnMouseMove(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData)
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180 {
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181 WebAssemblyViewport* that = reinterpret_cast<WebAssemblyViewport*>(userData);
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182
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183 if (that->compositor_.get() != NULL &&
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184 that->controller_->HasActiveTracker())
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185 {
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186 PointerEvent pointer;
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187 ConvertMouseEvent(pointer, *mouseEvent, *that->compositor_);
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188 if (that->controller_->HandleMouseMove(pointer))
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189 {
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190 that->Invalidate();
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191 }
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192 }
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193
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194 LOG(TRACE) << "Exiting: " << __func__;
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195 return true;
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196 }
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197
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198 EM_BOOL WebAssemblyViewport::OnMouseUp(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData)
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199 {
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200 LOG(TRACE) << __func__;
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201 WebAssemblyViewport* that = reinterpret_cast<WebAssemblyViewport*>(userData);
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202
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203 if (that->compositor_.get() != NULL)
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204 {
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205 PointerEvent pointer;
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206 ConvertMouseEvent(pointer, *mouseEvent, *that->compositor_);
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207 that->controller_->HandleMouseRelease(pointer);
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208 that->Invalidate();
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209 }
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210
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211 LOG(TRACE) << "Exiting: " << __func__;
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212 return true;
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213 }
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214
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215 void WebAssemblyViewport::Invalidate()
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216 {
1618
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217 long id = emscripten_request_animation_frame(OnRequestAnimationFrame,
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218 reinterpret_cast<void*>(this));
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219 animationFrameCallbackIds_.push_back(id);
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220 }
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221
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222 void WebAssemblyViewport::FitForPrint()
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223 {
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224 if (compositor_.get() != NULL &&
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225 controller_ /* should always be true */)
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226 {
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227 RefreshCanvasSize();
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228 compositor_->FitContent(controller_->GetScene());
1578
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229 OnRequestAnimationFrame(0, reinterpret_cast<void*>(this)); // Mandatory to work with Firefox
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230 }
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231 }
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diff changeset
232
1232
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233 void WebAssemblyViewport::AcquireCompositor(ICompositor* compositor /* takes ownership */)
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234 {
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235 if (compositor == NULL)
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236 {
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237 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
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238 }
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239 else
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240 {
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241 compositor_.reset(compositor);
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242 }
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243 }
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244
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245 #if DISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR == 1
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246 // everything OK..... we're using the new setting
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247 #else
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248 #pragma message("WARNING: DISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR is not defined or equal to 0. Stone will use the OLD Emscripten rules for DOM element selection.")
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249 #endif
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250
1318
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diff changeset
251 WebAssemblyViewport::WebAssemblyViewport(
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252 const std::string& canvasId, bool enableEmscriptenMouseEvents) :
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253 canvasId_(canvasId),
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254 #if DISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR == 1
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255 canvasCssSelector_("#" + canvasId),
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diff changeset
256 #else
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257 canvasCssSelector_(canvasId),
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diff changeset
258 #endif
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diff changeset
259 interactor_(new DefaultViewportInteractor),
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diff changeset
260 enableEmscriptenMouseEvents_(enableEmscriptenMouseEvents),
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diff changeset
261 canvasWidth_(0),
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diff changeset
262 canvasHeight_(0)
1331
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parents: 1328
diff changeset
263 {
ab81ee8fce1f - Viewport is not passed and stored as a shared_ptr instead
Benjamin Golinvaux <bgo@osimis.io>
parents: 1328
diff changeset
264 }
ab81ee8fce1f - Viewport is not passed and stored as a shared_ptr instead
Benjamin Golinvaux <bgo@osimis.io>
parents: 1328
diff changeset
265
ab81ee8fce1f - Viewport is not passed and stored as a shared_ptr instead
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diff changeset
266 void WebAssemblyViewport::PostConstructor()
907
722ee73e6ba2 cleanup + started to implement WebAssemblyCairoViewport (wip)
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parents: 891
diff changeset
267 {
1331
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diff changeset
268 boost::shared_ptr<IViewport> viewport = shared_from_this();
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diff changeset
269 controller_.reset(new ViewportController(viewport));
1232
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270
1331
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diff changeset
271 LOG(INFO) << "Initializing Stone viewport on HTML canvas: "
1480
4de884c95cd8 fix includes in WebAssemblyCairoViewport
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diff changeset
272 << canvasId_;
907
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diff changeset
273
1351
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diff changeset
274 if (canvasId_.empty() ||
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diff changeset
275 canvasId_[0] == '#')
1232
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276 {
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277 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange,
1331
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diff changeset
278 "The canvas identifier must not start with '#'");
1232
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diff changeset
279 }
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280
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281 // Disable right-click on the canvas (i.e. context menu)
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282 EM_ASM({
1331
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diff changeset
283 document.getElementById(UTF8ToString($0)).oncontextmenu =
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diff changeset
284 function(event)
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diff changeset
285 {
1232
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diff changeset
286 event.preventDefault();
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287 }
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diff changeset
288 },
1351
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289 canvasId_.c_str() // $0
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290 );
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291
1346
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292 // It is not possible to monitor the resizing of individual
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293 // canvas, so we track the full window of the browser
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294 emscripten_set_resize_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW,
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295 reinterpret_cast<void*>(this),
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parents: 1331
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296 false,
df8bf351c23f The flag that allows the WebAssemblyViewport to
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297 OnResize);
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298
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diff changeset
299 if (enableEmscriptenMouseEvents_)
1331
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300 {
1318
cbfdba08e039 removed SDL code in wasm + added undostack CTOR in Wasm viewport + build fix + ORTHANC_OVERRIDE
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parents: 1315
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301
1351
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302 // if any of this function causes an error in the console, please
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303 // make sure you are using the new (as of 1.39.x) version of
1b8e37770d78 ID vs CSS selector distinction in API and field names.
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304 // emscripten element lookup rules( pass
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305 // "-s DISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR=1" to the linker.
1b8e37770d78 ID vs CSS selector distinction in API and field names.
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diff changeset
306
1b8e37770d78 ID vs CSS selector distinction in API and field names.
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diff changeset
307 emscripten_set_mousedown_callback(canvasCssSelector_.c_str(),
1331
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diff changeset
308 reinterpret_cast<void*>(this),
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diff changeset
309 false,
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310 OnMouseDown);
1232
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311
1351
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312 emscripten_set_mousemove_callback(canvasCssSelector_.c_str(),
1331
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diff changeset
313 reinterpret_cast<void*>(this),
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parents: 1328
diff changeset
314 false,
ab81ee8fce1f - Viewport is not passed and stored as a shared_ptr instead
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diff changeset
315 OnMouseMove);
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diff changeset
316
1351
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317 emscripten_set_mouseup_callback(canvasCssSelector_.c_str(),
1331
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diff changeset
318 reinterpret_cast<void*>(this),
ab81ee8fce1f - Viewport is not passed and stored as a shared_ptr instead
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parents: 1328
diff changeset
319 false,
ab81ee8fce1f - Viewport is not passed and stored as a shared_ptr instead
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diff changeset
320 OnMouseUp);
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diff changeset
321 }
907
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diff changeset
322 }
722ee73e6ba2 cleanup + started to implement WebAssemblyCairoViewport (wip)
Alain Mazy <alain@mazy.be>
parents: 891
diff changeset
323
1331
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diff changeset
324 WebAssemblyViewport::~WebAssemblyViewport()
ab81ee8fce1f - Viewport is not passed and stored as a shared_ptr instead
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diff changeset
325 {
1618
9a52bac0c2a7 Added code to clear pending calls to RequestAnimationFrame
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diff changeset
326 // cancel the pending RequestAnimationFrame callbacks
9a52bac0c2a7 Added code to clear pending calls to RequestAnimationFrame
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parents: 1591
diff changeset
327 for(size_t i = 0; i < animationFrameCallbackIds_.size(); ++i)
9a52bac0c2a7 Added code to clear pending calls to RequestAnimationFrame
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parents: 1591
diff changeset
328 {
9a52bac0c2a7 Added code to clear pending calls to RequestAnimationFrame
Benjamin Golinvaux <bgo@osimis.io>
parents: 1591
diff changeset
329 long id = animationFrameCallbackIds_[i];
9a52bac0c2a7 Added code to clear pending calls to RequestAnimationFrame
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parents: 1591
diff changeset
330 emscripten_cancel_animation_frame(id);
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diff changeset
331 }
9a52bac0c2a7 Added code to clear pending calls to RequestAnimationFrame
Benjamin Golinvaux <bgo@osimis.io>
parents: 1591
diff changeset
332
1346
df8bf351c23f The flag that allows the WebAssemblyViewport to
Benjamin Golinvaux <bgo@osimis.io>
parents: 1331
diff changeset
333 emscripten_set_resize_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW,
df8bf351c23f The flag that allows the WebAssemblyViewport to
Benjamin Golinvaux <bgo@osimis.io>
parents: 1331
diff changeset
334 reinterpret_cast<void*>(this),
df8bf351c23f The flag that allows the WebAssemblyViewport to
Benjamin Golinvaux <bgo@osimis.io>
parents: 1331
diff changeset
335 false,
df8bf351c23f The flag that allows the WebAssemblyViewport to
Benjamin Golinvaux <bgo@osimis.io>
parents: 1331
diff changeset
336 NULL);
df8bf351c23f The flag that allows the WebAssemblyViewport to
Benjamin Golinvaux <bgo@osimis.io>
parents: 1331
diff changeset
337
df8bf351c23f The flag that allows the WebAssemblyViewport to
Benjamin Golinvaux <bgo@osimis.io>
parents: 1331
diff changeset
338 if (enableEmscriptenMouseEvents_)
1331
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diff changeset
339 {
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diff changeset
340
1351
1b8e37770d78 ID vs CSS selector distinction in API and field names.
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diff changeset
341 emscripten_set_mousedown_callback(canvasCssSelector_.c_str(),
1331
ab81ee8fce1f - Viewport is not passed and stored as a shared_ptr instead
Benjamin Golinvaux <bgo@osimis.io>
parents: 1328
diff changeset
342 reinterpret_cast<void*>(this),
ab81ee8fce1f - Viewport is not passed and stored as a shared_ptr instead
Benjamin Golinvaux <bgo@osimis.io>
parents: 1328
diff changeset
343 false,
1480
4de884c95cd8 fix includes in WebAssemblyCairoViewport
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1455
diff changeset
344 NULL);
1331
ab81ee8fce1f - Viewport is not passed and stored as a shared_ptr instead
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parents: 1328
diff changeset
345
1351
1b8e37770d78 ID vs CSS selector distinction in API and field names.
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diff changeset
346 emscripten_set_mousemove_callback(canvasCssSelector_.c_str(),
1331
ab81ee8fce1f - Viewport is not passed and stored as a shared_ptr instead
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diff changeset
347 reinterpret_cast<void*>(this),
ab81ee8fce1f - Viewport is not passed and stored as a shared_ptr instead
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parents: 1328
diff changeset
348 false,
1480
4de884c95cd8 fix includes in WebAssemblyCairoViewport
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1455
diff changeset
349 NULL);
1331
ab81ee8fce1f - Viewport is not passed and stored as a shared_ptr instead
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parents: 1328
diff changeset
350
1351
1b8e37770d78 ID vs CSS selector distinction in API and field names.
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diff changeset
351 emscripten_set_mouseup_callback(canvasCssSelector_.c_str(),
1331
ab81ee8fce1f - Viewport is not passed and stored as a shared_ptr instead
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parents: 1328
diff changeset
352 reinterpret_cast<void*>(this),
ab81ee8fce1f - Viewport is not passed and stored as a shared_ptr instead
Benjamin Golinvaux <bgo@osimis.io>
parents: 1328
diff changeset
353 false,
1480
4de884c95cd8 fix includes in WebAssemblyCairoViewport
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1455
diff changeset
354 NULL);
1331
ab81ee8fce1f - Viewport is not passed and stored as a shared_ptr instead
Benjamin Golinvaux <bgo@osimis.io>
parents: 1328
diff changeset
355 }
ab81ee8fce1f - Viewport is not passed and stored as a shared_ptr instead
Benjamin Golinvaux <bgo@osimis.io>
parents: 1328
diff changeset
356 }
1232
a28861abf888 viewports for WebAssembly
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diff changeset
357
a28861abf888 viewports for WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
358 IViewport::ILock* WebAssemblyViewport::Lock()
910
a6c12fe88bcb wip: WebAssemblyCairoViewport: still need to implement blit to canvas
Alain Mazy <alain@mazy.be>
parents: 907
diff changeset
359 {
1232
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diff changeset
360 return new WasmLock(*this);
910
a6c12fe88bcb wip: WebAssemblyCairoViewport: still need to implement blit to canvas
Alain Mazy <alain@mazy.be>
parents: 907
diff changeset
361 }
1232
a28861abf888 viewports for WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1054
diff changeset
362
a28861abf888 viewports for WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1054
diff changeset
363 void WebAssemblyViewport::AcquireInteractor(IViewportInteractor* interactor)
910
a6c12fe88bcb wip: WebAssemblyCairoViewport: still need to implement blit to canvas
Alain Mazy <alain@mazy.be>
parents: 907
diff changeset
364 {
1232
a28861abf888 viewports for WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1054
diff changeset
365 if (interactor == NULL)
a28861abf888 viewports for WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1054
diff changeset
366 {
a28861abf888 viewports for WebAssembly
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parents: 1054
diff changeset
367 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
a28861abf888 viewports for WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1054
diff changeset
368 }
a28861abf888 viewports for WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1054
diff changeset
369 else
a28861abf888 viewports for WebAssembly
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parents: 1054
diff changeset
370 {
a28861abf888 viewports for WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1054
diff changeset
371 interactor_.reset(interactor);
a28861abf888 viewports for WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1054
diff changeset
372 }
910
a6c12fe88bcb wip: WebAssemblyCairoViewport: still need to implement blit to canvas
Alain Mazy <alain@mazy.be>
parents: 907
diff changeset
373 }
1576
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
diff changeset
374
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
diff changeset
375
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
diff changeset
376 void WebAssemblyViewport::RefreshCanvasSize()
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
diff changeset
377 {
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
diff changeset
378 double w, h;
92fca2b3ba3d sanitizing the handling of canvas size
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diff changeset
379 emscripten_get_element_css_size(GetCanvasCssSelector().c_str(), &w, &h);
92fca2b3ba3d sanitizing the handling of canvas size
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parents: 1575
diff changeset
380
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
diff changeset
381 /**
92fca2b3ba3d sanitizing the handling of canvas size
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parents: 1575
diff changeset
382 * Emscripten has the function emscripten_get_element_css_size()
92fca2b3ba3d sanitizing the handling of canvas size
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parents: 1575
diff changeset
383 * to query the width and height of a named HTML element. I'm
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
diff changeset
384 * calling this first to get the initial size of the canvas DOM
92fca2b3ba3d sanitizing the handling of canvas size
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parents: 1575
diff changeset
385 * element, and then call emscripten_set_canvas_size() to
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
diff changeset
386 * initialize the framebuffer size of the canvas to the same
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
387 * size as its DOM element.
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
diff changeset
388 * https://floooh.github.io/2017/02/22/emsc-html.html
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
diff changeset
389 **/
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
diff changeset
390 if (w > 0 &&
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
diff changeset
391 h > 0)
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
diff changeset
392 {
92fca2b3ba3d sanitizing the handling of canvas size
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parents: 1575
diff changeset
393 canvasWidth_ = static_cast<unsigned int>(boost::math::iround(w));
92fca2b3ba3d sanitizing the handling of canvas size
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parents: 1575
diff changeset
394 canvasHeight_ = static_cast<unsigned int>(boost::math::iround(h));
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
diff changeset
395 }
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
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396 else
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
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397 {
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
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398 canvasWidth_ = 0;
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
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399 canvasHeight_ = 0;
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
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400 }
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
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401
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
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402 emscripten_set_canvas_element_size(GetCanvasCssSelector().c_str(), canvasWidth_, canvasHeight_);
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
diff changeset
403
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
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404 if (compositor_.get() != NULL)
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
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405 {
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
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406 compositor_->SetCanvasSize(canvasWidth_, canvasHeight_);
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
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407 }
92fca2b3ba3d sanitizing the handling of canvas size
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1575
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408 }
891
0aff28f15ea2 new abstraction: IViewport
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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409 }