# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1575920747 -3600
# Node ID 358461330978df3581785bf1182b998d04f437cb
# Parent  e71ee3e8844859850362f167b00bb90006ef89b8
global function GetWebGLViewportsRegistry()

diff -r e71ee3e88448 -r 358461330978 Framework/StoneInitialization.cpp
--- a/Framework/StoneInitialization.cpp	Mon Dec 09 20:25:22 2019 +0100
+++ b/Framework/StoneInitialization.cpp	Mon Dec 09 20:45:47 2019 +0100
@@ -60,6 +60,11 @@
 #  include <Core/DicomParsing/FromDcmtkBridge.h>
 #endif
 
+#if ORTHANC_ENABLE_WASM == 1
+static double viewportsTimeout_ = 1000;
+static std::auto_ptr<OrthancStone::WebGLViewportsRegistry>  viewportsRegistry_;
+#endif
+
 #include "Toolbox/LinearAlgebra.h"
 
 #include <Core/OrthancException.h>
@@ -170,6 +175,10 @@
 
   void StoneFinalize()
   {
+#if ORTHANC_ENABLE_WASM == 1
+    viewportsRegistry_.reset();
+#endif
+    
 #if ORTHANC_ENABLE_SDL == 1
     OrthancStone::SdlWindow::GlobalFinalize();
 #endif
@@ -188,4 +197,32 @@
 
     Orthanc::Logging::Finalize();
   }
+
+
+#if ORTHANC_ENABLE_WASM == 1
+  void SetWebGLViewportsRegistryTimeout(double timeout)
+  {
+    if (viewportsRegistry_.get())
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
+    }
+    else
+    {
+      viewportsTimeout_ = timeout;
+    }
+  }
+#endif
+
+
+#if ORTHANC_ENABLE_WASM == 1
+  WebGLViewportsRegistry& GetWebGLViewportsRegistry()
+  {
+    if (viewportsRegistry_.get() == NULL)
+    {
+      viewportsRegistry_.reset(new WebGLViewportsRegistry(viewportsTimeout_));
+    }
+
+    return *viewportsRegistry_;
+  }
+#endif
 }
diff -r e71ee3e88448 -r 358461330978 Framework/StoneInitialization.h
--- a/Framework/StoneInitialization.h	Mon Dec 09 20:25:22 2019 +0100
+++ b/Framework/StoneInitialization.h	Mon Dec 09 20:45:47 2019 +0100
@@ -21,6 +21,18 @@
 
 #pragma once
 
+#if !defined(ORTHANC_ENABLE_WASM)
+#  error Macro ORTHANC_ENABLE_WASM must be defined
+#endif
+
+#if !defined(ORTHANC_ENABLE_LOGGING_PLUGIN)
+#  error Macro ORTHANC_ENABLE_LOGGING_PLUGIN must be defined
+#endif
+
+#if ORTHANC_ENABLE_WASM == 1
+#  include "Viewport/WebGLViewportsRegistry.h"
+#endif
+
 #include <Core/Logging.h>
 
 namespace OrthancStone
@@ -32,4 +44,12 @@
 #endif
 
   void StoneFinalize();
+
+#if ORTHANC_ENABLE_WASM == 1
+  void SetWebGLViewportsRegistryTimeout(double timeout);
+#endif
+
+#if ORTHANC_ENABLE_WASM == 1
+  WebGLViewportsRegistry& GetWebGLViewportsRegistry();
+#endif
 }