diff Applications/StoneWebViewer/WebAssembly/StoneWebViewer.cpp @ 1719:9a1f79d21a3f

added buttons to go to the first and last frames
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 01 Dec 2020 10:42:45 +0100
parents 391c798e4dae
children b8d19f53aaca
line wrap: on
line diff
--- a/Applications/StoneWebViewer/WebAssembly/StoneWebViewer.cpp	Tue Dec 01 10:21:37 2020 +0100
+++ b/Applications/StoneWebViewer/WebAssembly/StoneWebViewer.cpp	Tue Dec 01 10:42:45 2020 +0100
@@ -1026,6 +1026,11 @@
     UpdatePrefetch();
   }
 
+  size_t GetFramesCount() const
+  {
+    return framesCount_;
+  }
+
   void SetCircularPrefetch(bool isCircularPrefetch)
   {
     isCircularPrefetch_ = isCircularPrefetch;
@@ -2278,6 +2283,31 @@
 
     return false;
   }
+
+
+  void GoToFirstFrame()
+  {
+    if (cursor_.get() != NULL &&
+        cursor_->GetCurrentIndex() != 0)
+    {
+      cursor_->SetCurrentIndex(0);
+      Redraw();
+    }
+  }
+
+
+  void GoToLastFrame()
+  {
+    if (cursor_.get() != NULL)
+    {
+      size_t last = cursor_->GetFramesCount() - 1;
+      if (cursor_->GetCurrentIndex() != last)
+      {
+        cursor_->SetCurrentIndex(last);
+        Redraw();
+      }
+    }
+  }
   
 
   bool GetCurrentFrameOfReferenceUid(std::string& frameOfReferenceUid) const
@@ -3197,6 +3227,28 @@
 
 
   EMSCRIPTEN_KEEPALIVE
+  void GoToFirstFrame(const char* canvas)
+  {
+    try
+    {
+      GetViewport(canvas)->GoToFirstFrame();
+    }
+    EXTERN_CATCH_EXCEPTIONS;
+  }
+
+
+  EMSCRIPTEN_KEEPALIVE
+  void GoToLastFrame(const char* canvas)
+  {
+    try
+    {
+      GetViewport(canvas)->GoToLastFrame();
+    }
+    EXTERN_CATCH_EXCEPTIONS;
+  }
+
+
+  EMSCRIPTEN_KEEPALIVE
   void ShowReferenceLines(int show)
   {
     try