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osu-lazer/osu.Game/Skinning/ISkinnableDrawable.cs

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
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#nullable disable
using System;
using osu.Framework.Bindables;
using osu.Framework.Extensions.TypeExtensions;
using osu.Framework.Graphics;
namespace osu.Game.Skinning
{
/// <summary>
/// Denotes a drawable which, as a drawable, can be adjusted via skinning specifications.
/// </summary>
public interface ISkinnableDrawable : IDrawable
{
/// <summary>
/// Whether this component should be editable by an end user.
/// </summary>
bool IsEditable => true;
/// <summary>
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/// In the context of the skin layout editor, whether this <see cref="ISkinnableDrawable"/> has a permanent anchor defined.
/// If <see langword="false"/>, this <see cref="ISkinnableDrawable"/>'s <see cref="Drawable.Anchor"/> is automatically determined by proximity,
/// If <see langword="true"/>, a fixed anchor point has been defined.
/// </summary>
bool UsesFixedAnchor { get; set; }
void CopyAdjustedSetting(IBindable target, object source)
{
if (source is IBindable sourceBindable)
{
// copy including transfer of default values.
target.BindTo(sourceBindable);
target.UnbindFrom(sourceBindable);
}
else
{
if (!(target is IParseable parseable))
throw new InvalidOperationException($"Bindable type {target.GetType().ReadableName()} is not {nameof(IParseable)}.");
parseable.Parse(source);
}
}
}
}