/// <summary>
/// Releases unmanaged and - optionally - managed resources
/// </summary>
/// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
protected virtual void Dispose(bool disposing)
{
GraphicsResourceImplementation impl = this.Implementation;
if (impl != null)
{
if (!impl.IsDisposed && disposing)
{
impl.Dispose();
}
}
}
public void AddTrackedObject(IntPtr pointer, GraphicsResourceImplementation impl)
{
lock (_syncObject) {
ResourceData data;
if (_resources.TryGetValue(pointer, out data))
{
//If get same pointer, consider the old resource to have been disposed of
data.Pointer = pointer;
data.ManagedObject = new WeakReference(impl);
_resources[pointer] = data;
}
else
{
data.Pointer = pointer;
data.ManagedObject = new WeakReference(impl);
_resources.Add(pointer, data);
}
}
}
public void ReleaseAllResources()
{
lock (_syncObject) {
IntPtr[] keys = new IntPtr[_resources.Keys.Count];
_resources.Keys.CopyTo(keys, 0);
foreach (IntPtr key in keys)
{
ResourceData data;
if (_resources.TryGetValue(key, out data))
{
if (data.ManagedObject.IsAlive)
{
GraphicsResourceImplementation target = data.ManagedObject.Target as GraphicsResourceImplementation;
if (target != null && !target.IsDisposed)
{
target.Dispose();
}
}
}
}
_resources.Clear();
}
}
//Sets a resource tracking ID.
private void SetGraphicsID(GraphicsResourceImplementation impl)
{
impl.ResourceID = _idCount;
_idCount++;
}
