Jumar Macato
9 years ago
21 changed files with 111 additions and 130 deletions
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// Copyright (c) The Avalonia Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using System; |
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namespace Avalonia.Animation |
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{ |
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/// <summary>
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/// Defines animation extension methods.
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/// </summary>
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public static class AnimationExtensions |
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{ |
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///// <summary>
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///// Returns a new <see cref="Avalonia.Animation.Transition"/> for the specified
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///// <see cref="AvaloniaProperty"/> using linear easing.
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///// </summary>
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///// <typeparam name="T">The type of the <see cref="AvaloniaProperty"/>.</typeparam>
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///// <param name="property">The property to animate.</param>
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///// <param name="milliseconds">The animation duration in milliseconds.</param>
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///// <returns>
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///// A <see cref="Avalonia.Animation.Transition"/> that can be added to the
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///// <see cref="Animatable.Transitions"/> collection.
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///// </returns>
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//public static Transition Transition<T>(this AvaloniaProperty<T> property, int milliseconds)
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//{
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// return Transition(property, TimeSpan.FromMilliseconds(milliseconds));
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//}
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///// <summary>
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///// Returns a new <see cref="Avalonia.Animation.Transition"/> for the specified
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///// <see cref="AvaloniaProperty"/> using linear easing.
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///// </summary>
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///// <typeparam name="T">The type of the <see cref="AvaloniaProperty"/>.</typeparam>
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///// <param name="property">The property to animate.</param>
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///// <param name="duration">The animation duration.</param>
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///// <returns>
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///// A <see cref="Avalonia.Animation.Transition"/> that can be added to the
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///// <see cref="Animatable.Transitions"/> collection.
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///// </returns>
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//public static Transition Transition<T>(this AvaloniaProperty<T> property, TimeSpan duration)
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//{
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// return new Transition(property, duration, LinearEasing.For<T>());
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//}
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} |
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} |
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//// Copyright (c) The Avalonia Project. All rights reserved.
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//// Licensed under the MIT license. See licence.md file in the project root for full license information.
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//using System;
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//namespace Avalonia.Animation
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//{
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// /// <summary>
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// /// Tracks the progress of an animation.
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// /// </summary>
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// /// <typeparam name="T">The type of the value being animated./</typeparam>
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// public class Animation<T> : IObservable<T>, IDisposable
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// {
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// /// <summary>
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// /// The animation being tracked.
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// /// </summary>
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// private readonly IObservable<T> _inner;
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// /// <summary>
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// /// The disposable used to cancel the animation.
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// /// </summary>
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// private readonly IDisposable _subscription;
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// /// <summary>
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// /// Initializes a new instance of the <see cref="Animation{T}"/> class.
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// /// </summary>
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// /// <param name="inner">The animation observable being tracked.</param>
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// /// <param name="subscription">A disposable used to cancel the animation.</param>
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// public Animation(IObservable<T> inner, IDisposable subscription)
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// {
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// _inner = inner;
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// _subscription = subscription;
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// }
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// /// <summary>
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// /// Cancels the animation.
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// /// </summary>
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// public void Dispose()
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// {
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// _subscription.Dispose();
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// }
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// /// <summary>
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// /// Notifies the provider that an observer is to receive notifications.
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// /// </summary>
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// /// <param name="observer">The observer.</param>
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// /// <returns>
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// /// A reference to an interface that allows observers to stop receiving notifications
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// /// before the provider has finished sending them.
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// /// </returns>
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// public IDisposable Subscribe(IObserver<T> observer)
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// {
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// return _inner.Subscribe(observer);
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// }
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// }
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//}
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@ -0,0 +1,31 @@ |
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// Copyright (c) The Avalonia Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using Avalonia.Metadata; |
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using System; |
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using System.Reactive.Linq; |
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namespace Avalonia.Animation |
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{ |
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/// <summary>
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/// Transition class that handles <see cref="AvaloniaProperty"/> with <see cref="Point"/> types.
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/// </summary>
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public class PointTransition : Transition<Point> |
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{ |
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/// <inheritdocs/>
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public override IObservable<Point> DoTransition(IObservable<double> progress, Point oldValue, Point newValue) |
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{ |
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var deltaX = newValue.X - oldValue.Y; |
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var deltaY = newValue.X - oldValue.Y; |
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return progress |
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.Select(p => |
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{ |
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var f = Easing.Ease(p); |
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var nX = f * deltaX + oldValue.X; |
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var nY = f * deltaY + oldValue.Y; |
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return new Point(nX, nY); |
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}); |
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} |
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} |
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} |
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@ -0,0 +1,35 @@ |
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// Copyright (c) The Avalonia Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using Avalonia.Metadata; |
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using System; |
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using System.Reactive.Linq; |
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namespace Avalonia.Animation |
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{ |
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/// <summary>
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/// Transition class that handles <see cref="AvaloniaProperty"/> with <see cref="Thickness"/> types.
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/// </summary>
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public class ThicknessTransition : Transition<Thickness> |
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{ |
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/// <inheritdocs/>
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public override IObservable<Thickness> DoTransition(IObservable<double> progress, Thickness oldValue, Thickness newValue) |
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{ |
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var deltaL = newValue.Left - oldValue.Left; |
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var deltaT = newValue.Top - oldValue.Top; |
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var deltaR = newValue.Right - oldValue.Right; |
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var deltaB = newValue.Bottom - oldValue.Bottom; |
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return progress |
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.Select(p => |
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{ |
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var f = Easing.Ease(p); |
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var nL = f * deltaL + oldValue.Left; |
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var nT = f * deltaT + oldValue.Right; |
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var nR = f * deltaR + oldValue.Top; |
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var nB = f * deltaB + oldValue.Bottom; |
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return new Thickness(nL, nT, nR, nB); |
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}); |
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} |
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} |
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} |
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