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Unused/Decal.Adapter.Wrappers/RenderServiceWrapper.cs

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+using System;
+using System.ComponentModel;
+using System.Drawing;
+using System.Runtime.InteropServices;
+using Decal.Adapter.Support;
+using Decal.Interop.Core;
+using Decal.Interop.Inject;
+using Decal.Interop.Render;
+
+namespace Decal.Adapter.Wrappers;
+
+/// <summary>
+/// RenderServiceWrapper is a wrapper for RenderService
+/// </summary>
+[CLSCompliant(true)]
+public class RenderServiceWrapper : MarshalByRefObject, IDisposable
+{
+	private RenderService internalRender;
+
+	private bool isDisposed;
+
+	private EventHandler myDeviceLost;
+
+	[EditorBrowsable(EditorBrowsableState.Never)]
+	public object UnsafeDevice => internalRender.Device;
+
+	internal event EventHandler DeviceLost
+	{
+		add
+		{
+			myDeviceLost = (EventHandler)Delegate.Combine(myDeviceLost, value);
+		}
+		remove
+		{
+			myDeviceLost = (EventHandler)Delegate.Combine(myDeviceLost, value);
+		}
+	}
+
+	internal RenderServiceWrapper(RenderService render)
+	{
+		internalRender = render;
+		internalRender.DeviceLost += internalRender_DeviceLost;
+	}
+
+	~RenderServiceWrapper()
+	{
+		Dispose(disposing: false);
+	}
+
+	private void internalRender_DeviceLost()
+	{
+		if (myDeviceLost != null)
+		{
+			myDeviceLost(this, new EventArgs());
+		}
+	}
+
+	private void myHUD_Disposing(object sender, EventArgs e)
+	{
+		if (sender is Hud hud)
+		{
+			RemoveHud(hud);
+			hud.Disposing -= myHUD_Disposing;
+		}
+	}
+
+	/// <summary>
+	/// Create a new Background object to be used as a background in HUDS
+	/// </summary>
+	/// <param name="region">The rectangle to use for the size of the background</param>
+	/// <returns>Newly created and wrapped RenderService.HUDBackground</returns>
+	public Background CreateBackground(Rectangle region)
+	{
+		return UnsafeCreateBackground(Util.toTagRECT(region));
+	}
+
+	/// <summary>
+	/// Create a new HUD. New huds need to be made visible before they render. 
+	/// </summary>
+	/// <param name="region">Size and location of where the HUD should be rendered</param>
+	/// <returns>Newly created and wrapped RenderService.HUDView</returns>
+	public Hud CreateHud(Rectangle region)
+	{
+		return UnsafeCreateHud(Util.toTagRECT(region));
+	}
+
+	/// <summary>
+	/// Remove a HUD from the render pipeline
+	/// </summary>
+	/// <param name="hud">HUD To remove</param>
+	public void RemoveHud(Hud hud)
+	{
+		if (hud == null)
+		{
+			throw new ArgumentNullException("hud");
+		}
+		internalRender.RemoveHUD(hud.Underlying);
+	}
+
+	[CLSCompliant(false)]
+	[EditorBrowsable(EditorBrowsableState.Never)]
+	public Background UnsafeCreateBackground(tagRECT pRegion)
+	{
+		return new Background(internalRender.CreateBackground(ref pRegion));
+	}
+
+	[CLSCompliant(false)]
+	[EditorBrowsable(EditorBrowsableState.Never)]
+	public Hud UnsafeCreateHud(tagRECT pRegion)
+	{
+		Hud hud = new Hud(internalRender.CreateHUD(ref pRegion));
+		hud.Disposing += myHUD_Disposing;
+		return hud;
+	}
+
+	[CLSCompliant(false)]
+	[EditorBrowsable(EditorBrowsableState.Never)]
+	public Background EncapsulateBackground(tagPOINT coordinates, object surface)
+	{
+		return new Background(internalRender.EncapsulateBackground(ref coordinates, surface));
+	}
+
+	[CLSCompliant(false)]
+	[EditorBrowsable(EditorBrowsableState.Never)]
+	public Hud EncapsulateHud(tagPOINT coordinates, object surface)
+	{
+		return new Hud(internalRender.EncapsulateHUD(ref coordinates, surface));
+	}
+
+	public void Dispose()
+	{
+		Dispose(disposing: true);
+		GC.SuppressFinalize(this);
+	}
+
+	protected virtual void Dispose(bool disposing)
+	{
+		if (!isDisposed && disposing)
+		{
+			internalRender.DeviceLost -= internalRender_DeviceLost;
+		}
+		if (internalRender != null)
+		{
+			Marshal.ReleaseComObject(internalRender);
+		}
+		internalRender = null;
+		isDisposed = true;
+	}
+}