Wes xx mediapipe integration

Packages/com.github.homuler.mediapipe/Runtime/Scripts/Core/DisposableObject.cs

@@ -0,0 +1,73 @@
+// Copyright (c) 2021 homuler
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file or at
+// https://opensource.org/licenses/MIT.
+
+/// based on [OpenCvSharp](https://github.com/shimat/opencvsharp/blob/9a5f9828a74cfa3995562a06716e177705cde038/src/OpenCvSharp/Fundamentals/DisposableObject.cs)
+
+using System;
+using System.Threading;
+
+namespace Mediapipe
+{
+  public abstract class DisposableObject : IDisposable
+  {
+    private volatile int _disposeSignaled = 0;
+
+    public bool isDisposed { get; protected set; }
+    protected bool isOwner { get; private set; }
+
+    protected DisposableObject() : this(true) { }
+
+    protected DisposableObject(bool isOwner)
+    {
+      isDisposed = false;
+      this.isOwner = isOwner;
+    }
+
+    public void Dispose()
+    {
+      Dispose(true);
+      GC.SuppressFinalize(this);
+    }
+
+    protected virtual void Dispose(bool disposing)
+    {
+      if (Interlocked.Exchange(ref _disposeSignaled, 1) != 0)
+      {
+        return;
+      }
+
+      isDisposed = true;
+
+      if (disposing)
+      {
+        DisposeManaged();
+      }
+      DisposeUnmanaged();
+    }
+
+    ~DisposableObject()
+    {
+      Dispose(false);
+    }
+
+    protected virtual void DisposeManaged() { }
+
+    protected virtual void DisposeUnmanaged() { }
+
+    public void TransferOwnership()
+    {
+      isOwner = false;
+    }
+
+    public void ThrowIfDisposed()
+    {
+      if (isDisposed)
+      {
+        throw new ObjectDisposedException(GetType().FullName);
+      }
+    }
+  }
+}