// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System.Drawing;

namespace System.Windows.Forms;

/// <summary>
///  Saves and restores <see cref="Graphics.Clip"/>.
/// </summary>
internal readonly ref struct GraphicsClipScope
{
    private readonly Region _originalClip;
    private readonly Graphics _graphics;
    public GraphicsClipScope(Graphics graphics)
    {
        _originalClip = graphics.Clip;
        _graphics = graphics;
    }

    public void Dispose()
    {
        _graphics.Clip = _originalClip;

        // The clip we got back is a copy and it gets copied again on the way in.
        _originalClip.Dispose();
    }
}
