danwalmsley
6 years ago
committed by
GitHub
GitHub
53 changed files with 3410 additions and 473 deletions
@ -0,0 +1,101 @@ |
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<UserControl |
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xmlns="https://github.com/avaloniaui" |
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" |
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x:Class="RenderDemo.Pages.TransitionsPage"> |
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<UserControl.Styles> |
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<Styles> |
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<Styles.Resources> |
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<Template x:Key="Acorn"> |
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<Path Fill="White" Stretch="Uniform" |
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Data="F1 M 16.6309,18.6563C 17.1309, |
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8.15625 29.8809,14.1563 29.8809, |
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14.1563C 30.8809,11.1563 34.1308, |
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11.4063 34.1308,11.4063C 33.5,12 |
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34.6309,13.1563 34.6309,13.1563C |
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32.1309,13.1562 31.1309,14.9062 |
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31.1309,14.9062C 41.1309,23.9062 |
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32.6309,27.9063 32.6309,27.9062C |
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24.6309,24.9063 21.1309,22.1562 |
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16.6309,18.6563 Z M 16.6309,19.9063C |
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21.6309,24.1563 25.1309,26.1562 |
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31.6309,28.6562C 31.6309,28.6562 |
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26.3809,39.1562 18.3809,36.1563C |
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18.3809,36.1563 18,38 16.3809,36.9063C |
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15,36 16.3809,34.9063 16.3809,34.9063C |
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16.3809,34.9063 10.1309,30.9062 16.6309,19.9063 Z"/> |
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</Template> |
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<Template x:Key="Heart"> |
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<Path Fill="Red" Stretch="Uniform" Data=" |
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M 272.70141,238.71731 |
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C 206.46141,238.71731 152.70146,292.4773 152.70146,358.71731 |
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C 152.70146,493.47282 288.63461,528.80461 381.26391,662.02535 |
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C 468.83815,529.62199 609.82641,489.17075 609.82641,358.71731 |
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C 609.82641,292.47731 556.06651,238.7173 489.82641,238.71731 |
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C 441.77851,238.71731 400.42481,267.08774 381.26391,307.90481 |
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C 362.10311,267.08773 320.74941,238.7173 272.70141,238.71731 z "/> |
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</Template> |
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</Styles.Resources> |
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|
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<Style Selector="Border.Test"> |
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<Setter Property="Margin" Value="15"/> |
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<Setter Property="Width" Value="100"/> |
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<Setter Property="Height" Value="100"/> |
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<Setter Property="Child" Value="{StaticResource Acorn}"/> |
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<Setter Property="Transitions"> |
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<Transitions> |
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<TransformOperationsTransition Property="RenderTransform" Duration="0:0:1" /> |
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</Transitions> |
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</Setter> |
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<Setter Property="RenderTransform" Value="none" /> |
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</Style> |
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|
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<Style Selector="Border.Rect1:pointerover"> |
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<Setter Property="RenderTransform" Value="rotate(120deg) scale(1.5)" /> |
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</Style> |
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|
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<Style Selector="Border.Rect2:pointerover"> |
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<Setter Property="RenderTransform" Value="scale(0.8)" /> |
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</Style> |
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|
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<Style Selector="Border.Rect3"> |
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<Setter Property="Child" Value="{StaticResource Heart}"/> |
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</Style> |
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|
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<Style Selector="Border.Rect3:pointerover"> |
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<Setter Property="RenderTransform" Value="rotate(1turn)" /> |
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</Style> |
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|
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<Style Selector="Border.Rect4:pointerover"> |
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<Setter Property="RenderTransform" Value="translateY(-100px)" /> |
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</Style> |
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|
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<Style Selector="Border.Rect5:pointerover"> |
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<Setter Property="RenderTransform" Value="skewX(-20deg)" /> |
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</Style> |
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|
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<Style Selector="Border.Rect5:pointerover"> |
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<Setter Property="RenderTransform" Value="skewX(-20deg)" /> |
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</Style> |
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|
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</Styles> |
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</UserControl.Styles> |
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|
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<Grid> |
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<StackPanel HorizontalAlignment="Center" VerticalAlignment="Center" ClipToBounds="False"> |
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<StackPanel.Clock> |
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<Clock /> |
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</StackPanel.Clock> |
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<StackPanel Orientation="Horizontal" VerticalAlignment="Center"> |
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<TextBlock VerticalAlignment="Center">Hover to activate Transform Keyframe Animations.</TextBlock> |
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<Button Content="{Binding PlayStateText}" Command="{Binding TogglePlayState}" Click="ToggleClock" /> |
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</StackPanel> |
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<WrapPanel ClipToBounds="False"> |
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<Border Classes="Test Rect1" Background="DarkRed"/> |
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<Border Classes="Test Rect2" Background="Magenta"/> |
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<Border Classes="Test Rect3"/> |
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<Border Classes="Test Rect4" Background="Navy"/> |
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<Border Classes="Test Rect5" Background="SeaGreen"/> |
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</WrapPanel> |
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</StackPanel> |
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</Grid> |
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</UserControl> |
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@ -0,0 +1,37 @@ |
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using Avalonia.Animation; |
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using Avalonia.Controls; |
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using Avalonia.Interactivity; |
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using Avalonia.Markup.Xaml; |
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using RenderDemo.ViewModels; |
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|
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namespace RenderDemo.Pages |
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{ |
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public class TransitionsPage : UserControl |
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{ |
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public TransitionsPage() |
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{ |
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InitializeComponent(); |
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this.DataContext = new AnimationsPageViewModel(); |
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} |
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|
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private void InitializeComponent() |
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{ |
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AvaloniaXamlLoader.Load(this); |
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} |
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|
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private void ToggleClock(object sender, RoutedEventArgs args) |
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{ |
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var button = sender as Button; |
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var clock = button.Clock; |
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|
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if (clock.PlayState == PlayState.Run) |
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{ |
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clock.PlayState = PlayState.Pause; |
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} |
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else if (clock.PlayState == PlayState.Pause) |
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{ |
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clock.PlayState = PlayState.Run; |
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} |
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} |
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} |
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} |
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@ -1,136 +0,0 @@ |
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// (c) Copyright Microsoft Corporation.
|
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// This source is subject to the Microsoft Public License (Ms-PL).
|
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// Please see http://go.microsoft.com/fwlink/?LinkID=131993 for details.
|
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// All other rights reserved.
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|
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using System; |
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|
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namespace Avalonia.Controls.Utils |
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{ |
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internal static class DoubleUtil |
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{ |
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internal const double DBL_EPSILON = 1e-6; |
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|
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/// <summary>
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/// AreClose - Returns whether or not two doubles are "close". That is, whether or
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/// not they are within epsilon of each other. Note that this epsilon is proportional
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/// to the numbers themselves to that AreClose survives scalar multiplication.
|
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/// There are plenty of ways for this to return false even for numbers which
|
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/// are theoretically identical, so no code calling this should fail to work if this
|
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/// returns false. This is important enough to repeat:
|
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/// NB: NO CODE CALLING THIS FUNCTION SHOULD DEPEND ON ACCURATE RESULTS - this should be
|
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/// used for optimizations *only*.
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/// </summary>
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/// <returns>
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/// bool - the result of the AreClose comparison.
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/// </returns>
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/// <param name="value1"> The first double to compare. </param>
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/// <param name="value2"> The second double to compare. </param>
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public static bool AreClose(double value1, double value2) |
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{ |
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//in case they are Infinities (then epsilon check does not work)
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if (value1 == value2) return true; |
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// This computes (|value1-value2| / (|value1| + |value2| + 10.0)) < DBL_EPSILON
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double eps = (Math.Abs(value1) + Math.Abs(value2) + 10.0) * DBL_EPSILON; |
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double delta = value1 - value2; |
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return (-eps < delta) && (eps > delta); |
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} |
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|
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/// <summary>
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/// GreaterThan - Returns whether or not the first double is greater than the second double.
|
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/// That is, whether or not the first is strictly greater than *and* not within epsilon of
|
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/// the other number. Note that this epsilon is proportional to the numbers themselves
|
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/// to that AreClose survives scalar multiplication. Note,
|
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/// There are plenty of ways for this to return false even for numbers which
|
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/// are theoretically identical, so no code calling this should fail to work if this
|
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/// returns false. This is important enough to repeat:
|
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/// NB: NO CODE CALLING THIS FUNCTION SHOULD DEPEND ON ACCURATE RESULTS - this should be
|
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/// used for optimizations *only*.
|
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/// </summary>
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/// <returns>
|
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/// bool - the result of the GreaterThan comparison.
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/// </returns>
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/// <param name="value1"> The first double to compare. </param>
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/// <param name="value2"> The second double to compare. </param>
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public static bool GreaterThan(double value1, double value2) |
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{ |
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return (value1 > value2) && !AreClose(value1, value2); |
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} |
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|
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/// <summary>
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/// GreaterThanOrClose - Returns whether or not the first double is greater than or close to
|
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/// the second double. That is, whether or not the first is strictly greater than or within
|
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/// epsilon of the other number. Note that this epsilon is proportional to the numbers
|
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/// themselves to that AreClose survives scalar multiplication. Note,
|
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/// There are plenty of ways for this to return false even for numbers which
|
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/// are theoretically identical, so no code calling this should fail to work if this
|
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/// returns false. This is important enough to repeat:
|
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/// NB: NO CODE CALLING THIS FUNCTION SHOULD DEPEND ON ACCURATE RESULTS - this should be
|
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/// used for optimizations *only*.
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/// </summary>
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/// <returns>
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/// bool - the result of the GreaterThanOrClose comparison.
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/// </returns>
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/// <param name="value1"> The first double to compare. </param>
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/// <param name="value2"> The second double to compare. </param>
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public static bool GreaterThanOrClose(double value1, double value2) |
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{ |
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return (value1 > value2) || AreClose(value1, value2); |
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} |
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|
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/// <summary>
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/// IsZero - Returns whether or not the double is "close" to 0. Same as AreClose(double, 0),
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/// but this is faster.
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/// </summary>
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/// <returns>
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/// bool - the result of the IsZero comparison.
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/// </returns>
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/// <param name="value"> The double to compare to 0. </param>
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public static bool IsZero(double value) |
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{ |
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return Math.Abs(value) < 10.0 * DBL_EPSILON; |
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} |
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|
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/// <summary>
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/// LessThan - Returns whether or not the first double is less than the second double.
|
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/// That is, whether or not the first is strictly less than *and* not within epsilon of
|
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/// the other number. Note that this epsilon is proportional to the numbers themselves
|
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/// to that AreClose survives scalar multiplication. Note,
|
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/// There are plenty of ways for this to return false even for numbers which
|
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/// are theoretically identical, so no code calling this should fail to work if this
|
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/// returns false. This is important enough to repeat:
|
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/// NB: NO CODE CALLING THIS FUNCTION SHOULD DEPEND ON ACCURATE RESULTS - this should be
|
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/// used for optimizations *only*.
|
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/// </summary>
|
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/// <returns>
|
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/// bool - the result of the LessThan comparison.
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/// </returns>
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/// <param name="value1"> The first double to compare. </param>
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/// <param name="value2"> The second double to compare. </param>
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public static bool LessThan(double value1, double value2) |
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{ |
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return (value1 < value2) && !AreClose(value1, value2); |
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} |
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|
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/// <summary>
|
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/// LessThanOrClose - Returns whether or not the first double is less than or close to
|
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/// the second double. That is, whether or not the first is strictly less than or within
|
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/// epsilon of the other number. Note that this epsilon is proportional to the numbers
|
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/// themselves to that AreClose survives scalar multiplication. Note,
|
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/// There are plenty of ways for this to return false even for numbers which
|
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/// are theoretically identical, so no code calling this should fail to work if this
|
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/// returns false. This is important enough to repeat:
|
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/// NB: NO CODE CALLING THIS FUNCTION SHOULD DEPEND ON ACCURATE RESULTS - this should be
|
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/// used for optimizations *only*.
|
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/// </summary>
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/// <returns>
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/// bool - the result of the LessThanOrClose comparison.
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/// </returns>
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/// <param name="value1"> The first double to compare. </param>
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/// <param name="value2"> The second double to compare. </param>
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public static bool LessThanOrClose(double value1, double value2) |
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{ |
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return (value1 < value2) || AreClose(value1, value2); |
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} |
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} |
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} |
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@ -0,0 +1,105 @@ |
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using Avalonia.Controls.Primitives; |
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using Avalonia.Controls.Templates; |
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using Avalonia.LogicalTree; |
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|
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namespace Avalonia.Controls |
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{ |
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/// <summary>
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/// A Toggle Switch control.
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/// </summary>
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public class ToggleSwitch : ToggleButton |
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{ |
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static ToggleSwitch() |
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{ |
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OffContentProperty.Changed.AddClassHandler<ToggleSwitch>((x, e) => x.OffContentChanged(e)); |
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OnContentProperty.Changed.AddClassHandler<ToggleSwitch>((x, e) => x.OnContentChanged(e)); |
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} |
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|
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/// <summary>
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/// Defines the <see cref="OffContent"/> property.
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/// </summary>
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public static readonly StyledProperty<object> OffContentProperty = |
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AvaloniaProperty.Register<ToggleSwitch, object>(nameof(OffContent), defaultValue: "Off"); |
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/// <summary>
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/// Defines the <see cref="OffContentTemplate"/> property.
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/// </summary>
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public static readonly StyledProperty<IDataTemplate> OffContentTemplateProperty = |
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AvaloniaProperty.Register<ToggleSwitch, IDataTemplate>(nameof(OffContentTemplate)); |
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/// <summary>
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/// Defines the <see cref="OnContent"/> property.
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/// </summary>
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public static readonly StyledProperty<object> OnContentProperty = |
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AvaloniaProperty.Register<ToggleSwitch, object>(nameof(OnContent), defaultValue: "On"); |
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/// <summary>
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/// Defines the <see cref="OnContentTemplate"/> property.
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/// </summary>
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public static readonly StyledProperty<IDataTemplate> OnContentTemplateProperty = |
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AvaloniaProperty.Register<ToggleSwitch, IDataTemplate>(nameof(OnContentTemplate)); |
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/// <summary>
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/// Gets or Sets the Content that is displayed when in the On State.
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/// </summary>
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public object OnContent |
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{ |
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get { return GetValue(OnContentProperty); } |
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set { SetValue(OnContentProperty, value); } |
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} |
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/// <summary>
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/// Gets or Sets the Content that is displayed when in the Off State.
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/// </summary>
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public object OffContent |
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{ |
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get { return GetValue(OffContentProperty); } |
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set { SetValue(OffContentProperty, value); } |
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} |
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|
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/// <summary>
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/// Gets or Sets the <see cref="IDataTemplate"/> used to display the <see cref="OffContent"/>.
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/// </summary>
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public IDataTemplate OffContentTemplate |
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{ |
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get { return GetValue(OffContentTemplateProperty); } |
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set { SetValue(OffContentTemplateProperty, value); } |
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} |
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|
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/// <summary>
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/// Gets or Sets the <see cref="IDataTemplate"/> used to display the <see cref="OnContent"/>.
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/// </summary>
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public IDataTemplate OnContentTemplate |
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{ |
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get { return GetValue(OnContentTemplateProperty); } |
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set { SetValue(OnContentTemplateProperty, value); } |
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} |
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|
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private void OffContentChanged(AvaloniaPropertyChangedEventArgs e) |
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{ |
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if (e.OldValue is ILogical oldChild) |
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{ |
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LogicalChildren.Remove(oldChild); |
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} |
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if (e.NewValue is ILogical newChild) |
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{ |
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LogicalChildren.Add(newChild); |
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} |
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} |
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private void OnContentChanged(AvaloniaPropertyChangedEventArgs e) |
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{ |
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if (e.OldValue is ILogical oldChild) |
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{ |
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LogicalChildren.Remove(oldChild); |
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} |
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|
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if (e.NewValue is ILogical newChild) |
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{ |
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LogicalChildren.Add(newChild); |
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} |
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} |
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} |
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} |
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|
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@ -0,0 +1,294 @@ |
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<Styles xmlns="https://github.com/avaloniaui" |
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" |
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xmlns:sys="clr-namespace:System;assembly=netstandard"> |
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<Styles.Resources> |
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<Thickness x:Key="ToggleSwitchTopHeaderMargin">0,0,0,6</Thickness> |
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<x:Double x:Key="ToggleSwitchPreContentMargin">6</x:Double> |
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<x:Double x:Key="ToggleSwitchPostContentMargin">6</x:Double> |
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<x:Double x:Key="ToggleSwitchThemeMinWidth">154</x:Double> |
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<x:Double x:Key="KnobOnPosition">20</x:Double> |
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<x:Double x:Key="KnobOffPosition">0</x:Double> |
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</Styles.Resources> |
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<Design.PreviewWith> |
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<StackPanel Margin="20" Width="250" Spacing="24" > |
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<StackPanel Spacing="12" > |
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<TextBlock |
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Text="Automatic updates" |
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Classes="h1"/> |
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<TextBlock |
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Text="Updates will be automaticly Downloaded and installed shile the computer is shutting down or restarting" |
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TextWrapping="Wrap"/> |
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<ToggleSwitch HorizontalContentAlignment="Left" |
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Content="Enable automatic Updates?" |
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OffContent="Uit" |
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OnContent="Aan" |
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VerticalAlignment="Bottom"/> |
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</StackPanel> |
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<StackPanel Spacing="12"> |
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<TextBlock |
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Text="Previewer" |
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Classes="h1"/> |
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<TextBlock |
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Text="The previewer Shows a preview off your code, this could slow down your system" |
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TextWrapping="Wrap"/> |
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<ToggleSwitch |
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Content="Previewer" |
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IsChecked="True" /> |
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</StackPanel> |
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</StackPanel> |
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</Design.PreviewWith> |
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|
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<Style Selector="ToggleSwitch"> |
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<Setter Property="Foreground" Value="{DynamicResource ToggleSwitchContentForeground}" /> |
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<Setter Property="HorizontalAlignment" Value="Left" /> |
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<Setter Property="VerticalAlignment" Value="Center" /> |
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<Setter Property="HorizontalContentAlignment" Value="Left" /> |
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<Setter Property="FontFamily" Value="{DynamicResource ContentControlThemeFontFamily}" /> |
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<Setter Property="FontSize" Value="{DynamicResource ControlContentThemeFontSize}" /> |
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<Setter Property="Template"> |
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<ControlTemplate> |
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<Grid Background="{TemplateBinding Background}" |
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RowDefinitions="Auto,*"> |
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|
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<ContentPresenter x:Name="PART_ContentPresenter" |
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Grid.Row="0" |
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Content="{TemplateBinding Content}" |
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ContentTemplate="{TemplateBinding ContentTemplate}" |
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Margin="{DynamicResource ToggleSwitchTopHeaderMargin}" |
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VerticalAlignment="Top"/> |
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|
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<Grid Grid.Row="1" |
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MinWidth="{StaticResource ToggleSwitchThemeMinWidth}" |
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HorizontalAlignment="Left" |
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VerticalAlignment="Top"> |
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|
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<Grid.RowDefinitions> |
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<RowDefinition Height="{DynamicResource ToggleSwitchPreContentMargin}" /> |
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<RowDefinition Height="Auto" /> |
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<RowDefinition Height="{DynamicResource ToggleSwitchPostContentMargin}" /> |
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</Grid.RowDefinitions> |
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|
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<Grid.ColumnDefinitions> |
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<ColumnDefinition Width="Auto" /> |
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<ColumnDefinition Width="12" MaxWidth="12" /> |
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<ColumnDefinition Width="Auto" /> |
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</Grid.ColumnDefinitions> |
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|
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<Grid x:Name="SwitchAreaGrid" |
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Grid.RowSpan="3" |
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Grid.ColumnSpan="3" |
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TemplatedControl.IsTemplateFocusTarget="True" |
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Margin="0,5" /> |
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|
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<ContentPresenter x:Name="PART_OffContentPresenter" |
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Grid.RowSpan="3" |
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Grid.Column="2" |
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Content="{TemplateBinding OffContent}" |
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ContentTemplate="{TemplateBinding OffContentTemplate}" |
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HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" |
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VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/> |
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|
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<ContentPresenter x:Name="PART_OnContentPresenter" |
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Grid.RowSpan="3" |
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Grid.Column="2" |
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Content="{TemplateBinding OnContent}" |
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ContentTemplate="{TemplateBinding OnContentTemplate}" |
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HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" |
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VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/> |
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|
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<Border x:Name="OuterBorder" |
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Grid.Row="1" |
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Height="20" |
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Width="40" |
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CornerRadius="10" |
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BorderThickness="{DynamicResource ToggleSwitchOuterBorderStrokeThickness}" /> |
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|
|||
<Border x:Name="SwitchKnobBounds" |
|||
Grid.Row="1" |
|||
Height="20" |
|||
Width="40" |
|||
CornerRadius="10" |
|||
BorderThickness="{DynamicResource ToggleSwitchOnStrokeThickness}"/> |
|||
|
|||
<Canvas x:Name="SwitchKnob" Grid.Row="1" |
|||
HorizontalAlignment="Left" |
|||
Width="20" Height="20"> |
|||
|
|||
<Grid x:Name="MovingKnobs" |
|||
Width="20" Height="20"> |
|||
|
|||
<Ellipse x:Name="SwitchKnobOn" |
|||
Width="10" Height="10" /> |
|||
|
|||
<Ellipse x:Name="SwitchKnobOff" |
|||
Width="10" Height="10" /> |
|||
</Grid> |
|||
</Canvas> |
|||
</Grid> |
|||
</Grid> |
|||
</ControlTemplate> |
|||
</Setter> |
|||
</Style> |
|||
|
|||
<!-- NormalState --> |
|||
<Style Selector="ToggleSwitch /template/ Grid#SwitchAreaGrid"> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchContainerBackground}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch /template/ Border#OuterBorder"> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchFillOff}"/> |
|||
<Setter Property="BorderBrush" Value="{DynamicResource ToggleSwitchStrokeOff}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch /template/ Border#SwitchKnobBounds"> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchFillOn}"/> |
|||
<Setter Property="BorderBrush" Value="{DynamicResource ToggleSwitchStrokeOn}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch /template/ Ellipse#SwitchKnobOn"> |
|||
<Setter Property="Fill" Value="{DynamicResource ToggleSwitchKnobFillOn}"/> |
|||
<Setter Property="Stroke" Value="{DynamicResource ToggleSwitchKnobStrokeOn}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch /template/ Ellipse#SwitchKnobOff"> |
|||
<Setter Property="Fill" Value="{DynamicResource ToggleSwitchKnobFillOff}"/> |
|||
<Setter Property="Stroke" Value="{DynamicResource ToggleSwitchKnobStrokeOff}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch /template/ Grid#MovingKnobs"> |
|||
<Setter Property="Canvas.Left" Value="{DynamicResource KnobOffPosition}"/> |
|||
<Setter Property="Transitions"> |
|||
<Transitions> |
|||
<DoubleTransition Property="Canvas.Left" Duration="0:0:0.2" Easing="CubicEaseOut"/> |
|||
</Transitions> |
|||
</Setter> |
|||
</Style> |
|||
|
|||
<!-- PointerOverState --> |
|||
<Style Selector="ToggleSwitch:pointerover /template/ Border#OuterBorder"> |
|||
<Setter Property="BorderBrush" Value="{DynamicResource ToggleSwitchStrokeOffPointerOver}"/> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchFillOffPointerOver}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:pointerover /template/ Ellipse#SwitchKnobOff"> |
|||
<Setter Property="Fill" Value="{DynamicResource ToggleSwitchKnobFillOffPointerOver}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:pointerover /template/ Ellipse#SwitchKnobOn"> |
|||
<Setter Property="Fill" Value="{DynamicResource ToggleSwitchKnobFillOnPointerOver}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:pointerover /template/ Border#SwitchKnobBounds"> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchFillOnPointerOver}"/> |
|||
<Setter Property="BorderBrush" Value="{DynamicResource ToggleSwitchStrokeOnPointerOver}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:pointerover /template/ Grid#SwitchAreaGrid"> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchContainerBackgroundPointerOver}"/> |
|||
</Style> |
|||
|
|||
<!-- PressedState --> |
|||
<Style Selector="ToggleSwitch:pressed /template/ Border#OuterBorder"> |
|||
<Setter Property="BorderBrush" Value="{DynamicResource ToggleSwitchStrokeOffPressed}"/> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchFillOffPressed}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:pressed /template/ Border#SwitchKnobBounds"> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchFillOnPressed}"/> |
|||
<Setter Property="BorderBrush" Value="{DynamicResource ToggleSwitchStrokeOnPressed}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:pressed /template/ Ellipse#SwitchKnobOff"> |
|||
<Setter Property="Fill" Value="{DynamicResource ToggleSwitchKnobFillOffPressed}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:pressed /template/ Ellipse#SwitchKnobOn"> |
|||
<Setter Property="Fill" Value="{DynamicResource ToggleSwitchKnobFillOnPressed}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:pressed /template/ Grid#SwitchAreaGrid"> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchContainerBackgroundPressed}"/> |
|||
</Style> |
|||
|
|||
<!-- DisabledState --> |
|||
<Style Selector="ToggleSwitch:disabled"> |
|||
<Setter Property="Foreground" Value="{DynamicResource ToggleSwitchHeaderForegroundDisabled}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:disabled /template/ Border#OuterBorder"> |
|||
<Setter Property="BorderBrush" Value="{DynamicResource ToggleSwitchStrokeOffDisabled}"/> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchFillOffPressed}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:disabled /template/ Ellipse#SwitchKnobOff"> |
|||
<Setter Property="Fill" Value="{DynamicResource ToggleSwitchKnobFillOffDisabled}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:disabled /template/ Ellipse#SwitchKnobOn"> |
|||
<Setter Property="Fill" Value="{DynamicResource ToggleSwitchKnobFillOnDisabled}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:disabled /template/ Border#SwitchKnobBounds"> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchFillOnDisabled}"/> |
|||
<Setter Property="BorderBrush" Value="{DynamicResource ToggleSwitchStrokeOnDisabled}"/> |
|||
</Style> |
|||
|
|||
<!-- CheckedState --> |
|||
<Style Selector="ToggleSwitch:checked /template/ Grid#MovingKnobs"> |
|||
<Setter Property="Canvas.Left" Value="{DynamicResource KnobOnPosition}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:checked /template/ Border#OuterBorder"> |
|||
<Setter Property="Opacity" Value="0"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:checked /template/ Ellipse#SwitchKnobOff"> |
|||
<Setter Property="Opacity" Value="0"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:checked /template/ Border#SwitchKnobBounds"> |
|||
<Setter Property="Opacity" Value="1"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:checked /template/ Ellipse#SwitchKnobOn"> |
|||
<Setter Property="Opacity" Value="1"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:checked /template/ ContentPresenter#PART_OffContentPresenter"> |
|||
<Setter Property="Opacity" Value="0"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:checked /template/ ContentPresenter#PART_OnContentPresenter"> |
|||
<Setter Property="Opacity" Value="1"/> |
|||
</Style> |
|||
|
|||
<!--UncheckedState --> |
|||
<Style Selector="ToggleSwitch:unchecked /template/ Grid#MovingKnobs"> |
|||
<Setter Property="Canvas.Left" Value="{DynamicResource KnobOffPosition}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:unchecked /template/ Border#OuterBorder"> |
|||
<Setter Property="Opacity" Value="1"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:unchecked /template/ Ellipse#SwitchKnobOff"> |
|||
<Setter Property="Opacity" Value="1"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:unchecked /template/ Ellipse#SwitchKnobOn"> |
|||
<Setter Property="Opacity" Value="0"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:unchecked /template/ Border#SwitchKnobBounds"> |
|||
<Setter Property="Opacity" Value="0"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:unchecked /template/ ContentPresenter#PART_OffContentPresenter"> |
|||
<Setter Property="Opacity" Value="1"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:unchecked /template/ ContentPresenter#PART_OnContentPresenter"> |
|||
<Setter Property="Opacity" Value="0"/> |
|||
</Style> |
|||
</Styles> |
|||
@ -0,0 +1,294 @@ |
|||
<Styles xmlns="https://github.com/avaloniaui" |
|||
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" |
|||
xmlns:sys="clr-namespace:System;assembly=netstandard"> |
|||
<Styles.Resources> |
|||
<Thickness x:Key="ToggleSwitchTopHeaderMargin">0,0,0,6</Thickness> |
|||
<x:Double x:Key="ToggleSwitchPreContentMargin">6</x:Double> |
|||
<x:Double x:Key="ToggleSwitchPostContentMargin">6</x:Double> |
|||
<x:Double x:Key="ToggleSwitchThemeMinWidth">154</x:Double> |
|||
<x:Double x:Key="KnobOnPosition">20</x:Double> |
|||
<x:Double x:Key="KnobOffPosition">0</x:Double> |
|||
</Styles.Resources> |
|||
<Design.PreviewWith> |
|||
<StackPanel Margin="20" Width="250" Spacing="24" > |
|||
<StackPanel Spacing="12" > |
|||
<TextBlock |
|||
Text="Automatic updates" |
|||
Classes="h1"/> |
|||
<TextBlock |
|||
Text="Updates will be automaticly Downloaded and installed shile the computer is shutting down or restarting" |
|||
TextWrapping="Wrap"/> |
|||
<ToggleSwitch HorizontalContentAlignment="Left" |
|||
Content="Enable automatic Updates?" |
|||
OffContent="Uit" |
|||
OnContent="Aan" |
|||
VerticalAlignment="Bottom"/> |
|||
</StackPanel> |
|||
|
|||
<StackPanel Spacing="12"> |
|||
<TextBlock |
|||
Text="Previewer" |
|||
Classes="h1"/> |
|||
<TextBlock |
|||
Text="The previewer Shows a preview off your code, this could slow down your system" |
|||
TextWrapping="Wrap"/> |
|||
<ToggleSwitch |
|||
Content="Previewer" |
|||
IsChecked="True" /> |
|||
</StackPanel> |
|||
</StackPanel> |
|||
</Design.PreviewWith> |
|||
|
|||
<Style Selector="ToggleSwitch"> |
|||
<Setter Property="Foreground" Value="{DynamicResource ToggleSwitchContentForeground}" /> |
|||
<Setter Property="HorizontalAlignment" Value="Left" /> |
|||
<Setter Property="VerticalAlignment" Value="Center" /> |
|||
<Setter Property="HorizontalContentAlignment" Value="Left" /> |
|||
<Setter Property="FontFamily" Value="{DynamicResource ContentControlThemeFontFamily}" /> |
|||
<Setter Property="FontSize" Value="{DynamicResource ControlContentThemeFontSize}" /> |
|||
<Setter Property="Template"> |
|||
<ControlTemplate> |
|||
<Grid Background="{TemplateBinding Background}" |
|||
RowDefinitions="Auto,*"> |
|||
|
|||
<ContentPresenter x:Name="PART_ContentPresenter" |
|||
Grid.Row="0" |
|||
Content="{TemplateBinding Content}" |
|||
ContentTemplate="{TemplateBinding ContentTemplate}" |
|||
Margin="{DynamicResource ToggleSwitchTopHeaderMargin}" |
|||
VerticalAlignment="Top"/> |
|||
|
|||
<Grid Grid.Row="1" |
|||
MinWidth="{StaticResource ToggleSwitchThemeMinWidth}" |
|||
HorizontalAlignment="Left" |
|||
VerticalAlignment="Top"> |
|||
|
|||
<Grid.RowDefinitions> |
|||
<RowDefinition Height="{DynamicResource ToggleSwitchPreContentMargin}" /> |
|||
<RowDefinition Height="Auto" /> |
|||
<RowDefinition Height="{DynamicResource ToggleSwitchPostContentMargin}" /> |
|||
</Grid.RowDefinitions> |
|||
|
|||
<Grid.ColumnDefinitions> |
|||
<ColumnDefinition Width="Auto" /> |
|||
<ColumnDefinition Width="12" MaxWidth="12" /> |
|||
<ColumnDefinition Width="Auto" /> |
|||
</Grid.ColumnDefinitions> |
|||
|
|||
<Grid x:Name="SwitchAreaGrid" |
|||
Grid.RowSpan="3" |
|||
Grid.ColumnSpan="3" |
|||
TemplatedControl.IsTemplateFocusTarget="True" |
|||
Margin="0,5" /> |
|||
|
|||
<ContentPresenter x:Name="PART_OffContentPresenter" |
|||
Grid.RowSpan="3" |
|||
Grid.Column="2" |
|||
Content="{TemplateBinding OffContent}" |
|||
ContentTemplate="{TemplateBinding OffContentTemplate}" |
|||
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" |
|||
VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/> |
|||
|
|||
<ContentPresenter x:Name="PART_OnContentPresenter" |
|||
Grid.RowSpan="3" |
|||
Grid.Column="2" |
|||
Content="{TemplateBinding OnContent}" |
|||
ContentTemplate="{TemplateBinding OnContentTemplate}" |
|||
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" |
|||
VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/> |
|||
|
|||
<Border x:Name="OuterBorder" |
|||
Grid.Row="1" |
|||
Height="20" |
|||
Width="40" |
|||
CornerRadius="10" |
|||
BorderThickness="{DynamicResource ToggleSwitchOuterBorderStrokeThickness}" /> |
|||
|
|||
<Border x:Name="SwitchKnobBounds" |
|||
Grid.Row="1" |
|||
Height="20" |
|||
Width="40" |
|||
CornerRadius="10" |
|||
BorderThickness="{DynamicResource ToggleSwitchOnStrokeThickness}"/> |
|||
|
|||
<Canvas x:Name="SwitchKnob" Grid.Row="1" |
|||
HorizontalAlignment="Left" |
|||
Width="20" Height="20"> |
|||
|
|||
<Grid x:Name="MovingKnobs" |
|||
Width="20" Height="20"> |
|||
|
|||
<Ellipse x:Name="SwitchKnobOn" |
|||
Width="10" Height="10" /> |
|||
|
|||
<Ellipse x:Name="SwitchKnobOff" |
|||
Width="10" Height="10" /> |
|||
</Grid> |
|||
</Canvas> |
|||
</Grid> |
|||
</Grid> |
|||
</ControlTemplate> |
|||
</Setter> |
|||
</Style> |
|||
|
|||
<!-- NormalState --> |
|||
<Style Selector="ToggleSwitch /template/ Grid#SwitchAreaGrid"> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchContainerBackground}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch /template/ Border#OuterBorder"> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchFillOff}"/> |
|||
<Setter Property="BorderBrush" Value="{DynamicResource ToggleSwitchStrokeOff}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch /template/ Border#SwitchKnobBounds"> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchFillOn}"/> |
|||
<Setter Property="BorderBrush" Value="{DynamicResource ToggleSwitchStrokeOn}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch /template/ Ellipse#SwitchKnobOn"> |
|||
<Setter Property="Fill" Value="{DynamicResource ToggleSwitchKnobFillOn}"/> |
|||
<Setter Property="Stroke" Value="{DynamicResource ToggleSwitchKnobStrokeOn}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch /template/ Ellipse#SwitchKnobOff"> |
|||
<Setter Property="Fill" Value="{DynamicResource ToggleSwitchKnobFillOff}"/> |
|||
<Setter Property="Stroke" Value="{DynamicResource ToggleSwitchKnobStrokeOff}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch /template/ Grid#MovingKnobs"> |
|||
<Setter Property="Canvas.Left" Value="{DynamicResource KnobOffPosition}"/> |
|||
<Setter Property="Transitions"> |
|||
<Transitions> |
|||
<DoubleTransition Property="Canvas.Left" Duration="0:0:0.2" Easing="CubicEaseOut"/> |
|||
</Transitions> |
|||
</Setter> |
|||
</Style> |
|||
|
|||
<!-- PointerOverState --> |
|||
<Style Selector="ToggleSwitch:pointerover /template/ Border#OuterBorder"> |
|||
<Setter Property="BorderBrush" Value="{DynamicResource ToggleSwitchStrokeOffPointerOver}"/> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchFillOffPointerOver}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:pointerover /template/ Ellipse#SwitchKnobOff"> |
|||
<Setter Property="Fill" Value="{DynamicResource ToggleSwitchKnobFillOffPointerOver}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:pointerover /template/ Ellipse#SwitchKnobOn"> |
|||
<Setter Property="Fill" Value="{DynamicResource ToggleSwitchKnobFillOnPointerOver}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:pointerover /template/ Border#SwitchKnobBounds"> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchFillOnPointerOver}"/> |
|||
<Setter Property="BorderBrush" Value="{DynamicResource ToggleSwitchStrokeOnPointerOver}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:pointerover /template/ Grid#SwitchAreaGrid"> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchContainerBackgroundPointerOver}"/> |
|||
</Style> |
|||
|
|||
<!-- PressedState --> |
|||
<Style Selector="ToggleSwitch:pressed /template/ Border#OuterBorder"> |
|||
<Setter Property="BorderBrush" Value="{DynamicResource ToggleSwitchStrokeOffPressed}"/> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchFillOffPressed}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:pressed /template/ Border#SwitchKnobBounds"> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchFillOnPressed}"/> |
|||
<Setter Property="BorderBrush" Value="{DynamicResource ToggleSwitchStrokeOnPressed}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:pressed /template/ Ellipse#SwitchKnobOff"> |
|||
<Setter Property="Fill" Value="{DynamicResource ToggleSwitchKnobFillOffPressed}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:pressed /template/ Ellipse#SwitchKnobOn"> |
|||
<Setter Property="Fill" Value="{DynamicResource ToggleSwitchKnobFillOnPressed}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:pressed /template/ Grid#SwitchAreaGrid"> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchContainerBackgroundPressed}"/> |
|||
</Style> |
|||
|
|||
<!-- DisabledState --> |
|||
<Style Selector="ToggleSwitch:disabled"> |
|||
<Setter Property="Foreground" Value="{DynamicResource ToggleSwitchHeaderForegroundDisabled}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:disabled /template/ Border#OuterBorder"> |
|||
<Setter Property="BorderBrush" Value="{DynamicResource ToggleSwitchStrokeOffDisabled}"/> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchFillOffPressed}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:disabled /template/ Ellipse#SwitchKnobOff"> |
|||
<Setter Property="Fill" Value="{DynamicResource ToggleSwitchKnobFillOffDisabled}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:disabled /template/ Ellipse#SwitchKnobOn"> |
|||
<Setter Property="Fill" Value="{DynamicResource ToggleSwitchKnobFillOnDisabled}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:disabled /template/ Border#SwitchKnobBounds"> |
|||
<Setter Property="Background" Value="{DynamicResource ToggleSwitchFillOnDisabled}"/> |
|||
<Setter Property="BorderBrush" Value="{DynamicResource ToggleSwitchStrokeOnDisabled}"/> |
|||
</Style> |
|||
|
|||
<!-- CheckedState --> |
|||
<Style Selector="ToggleSwitch:checked /template/ Grid#MovingKnobs"> |
|||
<Setter Property="Canvas.Left" Value="{DynamicResource KnobOnPosition}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:checked /template/ Border#OuterBorder"> |
|||
<Setter Property="Opacity" Value="0"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:checked /template/ Ellipse#SwitchKnobOff"> |
|||
<Setter Property="Opacity" Value="0"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:checked /template/ Border#SwitchKnobBounds"> |
|||
<Setter Property="Opacity" Value="1"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:checked /template/ Ellipse#SwitchKnobOn"> |
|||
<Setter Property="Opacity" Value="1"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:checked /template/ ContentPresenter#PART_OffContentPresenter"> |
|||
<Setter Property="Opacity" Value="0"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:checked /template/ ContentPresenter#PART_OnContentPresenter"> |
|||
<Setter Property="Opacity" Value="1"/> |
|||
</Style> |
|||
|
|||
<!--UncheckedState --> |
|||
<Style Selector="ToggleSwitch:unchecked /template/ Grid#MovingKnobs"> |
|||
<Setter Property="Canvas.Left" Value="{DynamicResource KnobOffPosition}"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:unchecked /template/ Border#OuterBorder"> |
|||
<Setter Property="Opacity" Value="1"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:unchecked /template/ Ellipse#SwitchKnobOff"> |
|||
<Setter Property="Opacity" Value="1"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:unchecked /template/ Ellipse#SwitchKnobOn"> |
|||
<Setter Property="Opacity" Value="0"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:unchecked /template/ Border#SwitchKnobBounds"> |
|||
<Setter Property="Opacity" Value="0"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:unchecked /template/ ContentPresenter#PART_OffContentPresenter"> |
|||
<Setter Property="Opacity" Value="1"/> |
|||
</Style> |
|||
|
|||
<Style Selector="ToggleSwitch:unchecked /template/ ContentPresenter#PART_OnContentPresenter"> |
|||
<Setter Property="Opacity" Value="0"/> |
|||
</Style> |
|||
</Styles> |
|||
@ -0,0 +1,35 @@ |
|||
using System; |
|||
using Avalonia.Media; |
|||
using Avalonia.Media.Transformation; |
|||
|
|||
namespace Avalonia.Animation.Animators |
|||
{ |
|||
public class TransformOperationsAnimator : Animator<TransformOperations> |
|||
{ |
|||
public TransformOperationsAnimator() |
|||
{ |
|||
Validate = ValidateTransform; |
|||
} |
|||
|
|||
public override TransformOperations Interpolate(double progress, TransformOperations oldValue, TransformOperations newValue) |
|||
{ |
|||
var oldTransform = EnsureOperations(oldValue); |
|||
var newTransform = EnsureOperations(newValue); |
|||
|
|||
return TransformOperations.Interpolate(oldTransform, newTransform, progress); |
|||
} |
|||
|
|||
internal static TransformOperations EnsureOperations(ITransform value) |
|||
{ |
|||
return value as TransformOperations ?? TransformOperations.Identity; |
|||
} |
|||
|
|||
private void ValidateTransform(AnimatorKeyFrame kf) |
|||
{ |
|||
if (!(kf.Value is TransformOperations)) |
|||
{ |
|||
throw new InvalidOperationException($"All keyframes must be of type {typeof(TransformOperations)}."); |
|||
} |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,28 @@ |
|||
using System; |
|||
using System.Reactive.Linq; |
|||
using Avalonia.Animation.Animators; |
|||
using Avalonia.Media; |
|||
|
|||
namespace Avalonia.Animation |
|||
{ |
|||
public class TransformOperationsTransition : Transition<ITransform> |
|||
{ |
|||
private static readonly TransformOperationsAnimator _operationsAnimator = new TransformOperationsAnimator(); |
|||
|
|||
public override IObservable<ITransform> DoTransition(IObservable<double> progress, |
|||
ITransform oldValue, |
|||
ITransform newValue) |
|||
{ |
|||
var oldTransform = TransformOperationsAnimator.EnsureOperations(oldValue); |
|||
var newTransform = TransformOperationsAnimator.EnsureOperations(newValue); |
|||
|
|||
return progress |
|||
.Select(p => |
|||
{ |
|||
var f = Easing.Ease(p); |
|||
|
|||
return _operationsAnimator.Interpolate(f, oldTransform, newTransform); |
|||
}); |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,12 @@ |
|||
using System; |
|||
|
|||
namespace Avalonia.Media |
|||
{ |
|||
public interface IMutableTransform : ITransform |
|||
{ |
|||
/// <summary>
|
|||
/// Raised when the transform changes.
|
|||
/// </summary>
|
|||
event EventHandler Changed; |
|||
} |
|||
} |
|||
@ -0,0 +1,10 @@ |
|||
using System.ComponentModel; |
|||
|
|||
namespace Avalonia.Media |
|||
{ |
|||
[TypeConverter(typeof(TransformConverter))] |
|||
public interface ITransform |
|||
{ |
|||
Matrix Value { get; } |
|||
} |
|||
} |
|||
@ -0,0 +1,23 @@ |
|||
using System; |
|||
using System.ComponentModel; |
|||
using System.Globalization; |
|||
using Avalonia.Media.Transformation; |
|||
|
|||
namespace Avalonia.Media |
|||
{ |
|||
/// <summary>
|
|||
/// Creates an <see cref="ITransform"/> from a string representation.
|
|||
/// </summary>
|
|||
public class TransformConverter : TypeConverter |
|||
{ |
|||
public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) |
|||
{ |
|||
return sourceType == typeof(string); |
|||
} |
|||
|
|||
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) |
|||
{ |
|||
return TransformOperations.Parse((string)value); |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,40 @@ |
|||
namespace Avalonia.Media.Transformation |
|||
{ |
|||
internal static class InterpolationUtilities |
|||
{ |
|||
public static double InterpolateScalars(double from, double to, double progress) |
|||
{ |
|||
return from * (1d - progress) + to * progress; |
|||
} |
|||
|
|||
public static Vector InterpolateVectors(Vector from, Vector to, double progress) |
|||
{ |
|||
var x = InterpolateScalars(from.X, to.X, progress); |
|||
var y = InterpolateScalars(from.Y, to.Y, progress); |
|||
|
|||
return new Vector(x, y); |
|||
} |
|||
|
|||
public static Matrix ComposeTransform(Matrix.Decomposed decomposed) |
|||
{ |
|||
// According to https://www.w3.org/TR/css-transforms-1/#recomposing-to-a-2d-matrix
|
|||
|
|||
return Matrix.CreateTranslation(decomposed.Translate) * |
|||
Matrix.CreateRotation(decomposed.Angle) * |
|||
Matrix.CreateSkew(decomposed.Skew.X, decomposed.Skew.Y) * |
|||
Matrix.CreateScale(decomposed.Scale); |
|||
} |
|||
|
|||
public static Matrix.Decomposed InterpolateDecomposedTransforms(ref Matrix.Decomposed from, ref Matrix.Decomposed to, double progres) |
|||
{ |
|||
Matrix.Decomposed result = default; |
|||
|
|||
result.Translate = InterpolateVectors(from.Translate, to.Translate, progres); |
|||
result.Scale = InterpolateVectors(from.Scale, to.Scale, progres); |
|||
result.Skew = InterpolateVectors(from.Skew, to.Skew, progres); |
|||
result.Angle = InterpolateScalars(from.Angle, to.Angle, progres); |
|||
|
|||
return result; |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,230 @@ |
|||
using System.Runtime.InteropServices; |
|||
|
|||
namespace Avalonia.Media.Transformation |
|||
{ |
|||
/// <summary>
|
|||
/// Represents a single primitive transform (like translation, rotation, scale, etc.).
|
|||
/// </summary>
|
|||
public struct TransformOperation |
|||
{ |
|||
public OperationType Type; |
|||
public Matrix Matrix; |
|||
public DataLayout Data; |
|||
|
|||
public enum OperationType |
|||
{ |
|||
Translate, |
|||
Rotate, |
|||
Scale, |
|||
Skew, |
|||
Matrix, |
|||
Identity |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Returns whether operation produces the identity matrix.
|
|||
/// </summary>
|
|||
public bool IsIdentity => Matrix.IsIdentity; |
|||
|
|||
/// <summary>
|
|||
/// Bakes this operation to a transform matrix.
|
|||
/// </summary>
|
|||
public void Bake() |
|||
{ |
|||
Matrix = Matrix.Identity; |
|||
|
|||
switch (Type) |
|||
{ |
|||
case OperationType.Translate: |
|||
{ |
|||
Matrix = Matrix.CreateTranslation(Data.Translate.X, Data.Translate.Y); |
|||
|
|||
break; |
|||
} |
|||
case OperationType.Rotate: |
|||
{ |
|||
Matrix = Matrix.CreateRotation(Data.Rotate.Angle); |
|||
|
|||
break; |
|||
} |
|||
case OperationType.Scale: |
|||
{ |
|||
Matrix = Matrix.CreateScale(Data.Scale.X, Data.Scale.Y); |
|||
|
|||
break; |
|||
} |
|||
case OperationType.Skew: |
|||
{ |
|||
Matrix = Matrix.CreateSkew(Data.Skew.X, Data.Skew.Y); |
|||
|
|||
break; |
|||
} |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Returns new identity transform operation.
|
|||
/// </summary>
|
|||
public static TransformOperation Identity => |
|||
new TransformOperation { Matrix = Matrix.Identity, Type = OperationType.Identity }; |
|||
|
|||
/// <summary>
|
|||
/// Attempts to interpolate between two transform operations.
|
|||
/// </summary>
|
|||
/// <param name="from">Source operation.</param>
|
|||
/// <param name="to">Target operation.</param>
|
|||
/// <param name="progress">Interpolation progress.</param>
|
|||
/// <param name="result">Interpolation result that will be filled in when operation was successful.</param>
|
|||
/// <remarks>
|
|||
/// Based upon https://www.w3.org/TR/css-transforms-1/#interpolation-of-transform-functions.
|
|||
/// </remarks>
|
|||
public static bool TryInterpolate(TransformOperation? from, TransformOperation? to, double progress, |
|||
ref TransformOperation result) |
|||
{ |
|||
bool fromIdentity = IsOperationIdentity(ref from); |
|||
bool toIdentity = IsOperationIdentity(ref to); |
|||
|
|||
if (fromIdentity && toIdentity) |
|||
{ |
|||
return true; |
|||
} |
|||
|
|||
// ReSharper disable PossibleInvalidOperationException
|
|||
TransformOperation fromValue = fromIdentity ? Identity : from.Value; |
|||
TransformOperation toValue = toIdentity ? Identity : to.Value; |
|||
// ReSharper restore PossibleInvalidOperationException
|
|||
|
|||
var interpolationType = toIdentity ? fromValue.Type : toValue.Type; |
|||
|
|||
result.Type = interpolationType; |
|||
|
|||
switch (interpolationType) |
|||
{ |
|||
case OperationType.Translate: |
|||
{ |
|||
double fromX = fromIdentity ? 0 : fromValue.Data.Translate.X; |
|||
double fromY = fromIdentity ? 0 : fromValue.Data.Translate.Y; |
|||
|
|||
double toX = toIdentity ? 0 : toValue.Data.Translate.X; |
|||
double toY = toIdentity ? 0 : toValue.Data.Translate.Y; |
|||
|
|||
result.Data.Translate.X = InterpolationUtilities.InterpolateScalars(fromX, toX, progress); |
|||
result.Data.Translate.Y = InterpolationUtilities.InterpolateScalars(fromY, toY, progress); |
|||
|
|||
result.Bake(); |
|||
|
|||
break; |
|||
} |
|||
case OperationType.Rotate: |
|||
{ |
|||
double fromAngle = fromIdentity ? 0 : fromValue.Data.Rotate.Angle; |
|||
|
|||
double toAngle = toIdentity ? 0 : toValue.Data.Rotate.Angle; |
|||
|
|||
result.Data.Rotate.Angle = InterpolationUtilities.InterpolateScalars(fromAngle, toAngle, progress); |
|||
|
|||
result.Bake(); |
|||
|
|||
break; |
|||
} |
|||
case OperationType.Scale: |
|||
{ |
|||
double fromX = fromIdentity ? 1 : fromValue.Data.Scale.X; |
|||
double fromY = fromIdentity ? 1 : fromValue.Data.Scale.Y; |
|||
|
|||
double toX = toIdentity ? 1 : toValue.Data.Scale.X; |
|||
double toY = toIdentity ? 1 : toValue.Data.Scale.Y; |
|||
|
|||
result.Data.Scale.X = InterpolationUtilities.InterpolateScalars(fromX, toX, progress); |
|||
result.Data.Scale.Y = InterpolationUtilities.InterpolateScalars(fromY, toY, progress); |
|||
|
|||
result.Bake(); |
|||
|
|||
break; |
|||
} |
|||
case OperationType.Skew: |
|||
{ |
|||
double fromX = fromIdentity ? 0 : fromValue.Data.Skew.X; |
|||
double fromY = fromIdentity ? 0 : fromValue.Data.Skew.Y; |
|||
|
|||
double toX = toIdentity ? 0 : toValue.Data.Skew.X; |
|||
double toY = toIdentity ? 0 : toValue.Data.Skew.Y; |
|||
|
|||
result.Data.Skew.X = InterpolationUtilities.InterpolateScalars(fromX, toX, progress); |
|||
result.Data.Skew.Y = InterpolationUtilities.InterpolateScalars(fromY, toY, progress); |
|||
|
|||
result.Bake(); |
|||
|
|||
break; |
|||
} |
|||
case OperationType.Matrix: |
|||
{ |
|||
var fromMatrix = fromIdentity ? Matrix.Identity : fromValue.Matrix; |
|||
var toMatrix = toIdentity ? Matrix.Identity : toValue.Matrix; |
|||
|
|||
if (!Matrix.TryDecomposeTransform(fromMatrix, out Matrix.Decomposed fromDecomposed) || |
|||
!Matrix.TryDecomposeTransform(toMatrix, out Matrix.Decomposed toDecomposed)) |
|||
{ |
|||
return false; |
|||
} |
|||
|
|||
var interpolated = |
|||
InterpolationUtilities.InterpolateDecomposedTransforms( |
|||
ref fromDecomposed, ref toDecomposed, |
|||
progress); |
|||
|
|||
result.Matrix = InterpolationUtilities.ComposeTransform(interpolated); |
|||
|
|||
break; |
|||
} |
|||
case OperationType.Identity: |
|||
{ |
|||
// Do nothing.
|
|||
break; |
|||
} |
|||
} |
|||
|
|||
return true; |
|||
} |
|||
|
|||
private static bool IsOperationIdentity(ref TransformOperation? operation) |
|||
{ |
|||
return !operation.HasValue || operation.Value.IsIdentity; |
|||
} |
|||
|
|||
[StructLayout(LayoutKind.Explicit)] |
|||
public struct DataLayout |
|||
{ |
|||
[FieldOffset(0)] public SkewLayout Skew; |
|||
|
|||
[FieldOffset(0)] public ScaleLayout Scale; |
|||
|
|||
[FieldOffset(0)] public TranslateLayout Translate; |
|||
|
|||
[FieldOffset(0)] public RotateLayout Rotate; |
|||
|
|||
public struct SkewLayout |
|||
{ |
|||
public double X; |
|||
public double Y; |
|||
} |
|||
|
|||
public struct ScaleLayout |
|||
{ |
|||
public double X; |
|||
public double Y; |
|||
} |
|||
|
|||
public struct TranslateLayout |
|||
{ |
|||
public double X; |
|||
public double Y; |
|||
} |
|||
|
|||
public struct RotateLayout |
|||
{ |
|||
public double Angle; |
|||
} |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,258 @@ |
|||
using System; |
|||
using System.Collections.Generic; |
|||
|
|||
namespace Avalonia.Media.Transformation |
|||
{ |
|||
/// <summary>
|
|||
/// Contains a list of <see cref="TransformOperation"/> that represent primitive transforms that will be
|
|||
/// applied in declared order.
|
|||
/// </summary>
|
|||
public sealed class TransformOperations : ITransform |
|||
{ |
|||
public static TransformOperations Identity { get; } = new TransformOperations(new List<TransformOperation>()); |
|||
|
|||
private readonly List<TransformOperation> _operations; |
|||
|
|||
private TransformOperations(List<TransformOperation> operations) |
|||
{ |
|||
_operations = operations ?? throw new ArgumentNullException(nameof(operations)); |
|||
|
|||
IsIdentity = CheckIsIdentity(); |
|||
|
|||
Value = ApplyTransforms(); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Returns whether all operations combined together produce the identity matrix.
|
|||
/// </summary>
|
|||
public bool IsIdentity { get; } |
|||
|
|||
public IReadOnlyList<TransformOperation> Operations => _operations; |
|||
|
|||
public Matrix Value { get; } |
|||
|
|||
public static TransformOperations Parse(string s) |
|||
{ |
|||
return TransformParser.Parse(s); |
|||
} |
|||
|
|||
public static Builder CreateBuilder(int capacity) |
|||
{ |
|||
return new Builder(capacity); |
|||
} |
|||
|
|||
public static TransformOperations Interpolate(TransformOperations from, TransformOperations to, double progress) |
|||
{ |
|||
TransformOperations result = Identity; |
|||
|
|||
if (!TryInterpolate(from, to, progress, ref result)) |
|||
{ |
|||
// If the matrices cannot be interpolated, fallback to discrete animation logic.
|
|||
// See https://drafts.csswg.org/css-transforms/#matrix-interpolation
|
|||
result = progress < 0.5 ? from : to; |
|||
} |
|||
|
|||
return result; |
|||
} |
|||
|
|||
private Matrix ApplyTransforms(int startOffset = 0) |
|||
{ |
|||
Matrix matrix = Matrix.Identity; |
|||
|
|||
for (var i = startOffset; i < _operations.Count; i++) |
|||
{ |
|||
TransformOperation operation = _operations[i]; |
|||
matrix *= operation.Matrix; |
|||
} |
|||
|
|||
return matrix; |
|||
} |
|||
|
|||
private bool CheckIsIdentity() |
|||
{ |
|||
foreach (TransformOperation operation in _operations) |
|||
{ |
|||
if (!operation.IsIdentity) |
|||
{ |
|||
return false; |
|||
} |
|||
} |
|||
|
|||
return true; |
|||
} |
|||
|
|||
private static bool TryInterpolate(TransformOperations from, TransformOperations to, double progress, ref TransformOperations result) |
|||
{ |
|||
bool fromIdentity = from.IsIdentity; |
|||
bool toIdentity = to.IsIdentity; |
|||
|
|||
if (fromIdentity && toIdentity) |
|||
{ |
|||
return true; |
|||
} |
|||
|
|||
int matchingPrefixLength = ComputeMatchingPrefixLength(from, to); |
|||
int fromSize = fromIdentity ? 0 : from._operations.Count; |
|||
int toSize = toIdentity ? 0 : to._operations.Count; |
|||
int numOperations = Math.Max(fromSize, toSize); |
|||
|
|||
var builder = new Builder(matchingPrefixLength); |
|||
|
|||
for (int i = 0; i < matchingPrefixLength; i++) |
|||
{ |
|||
TransformOperation interpolated = new TransformOperation |
|||
{ |
|||
Type = TransformOperation.OperationType.Identity |
|||
}; |
|||
|
|||
if (!TransformOperation.TryInterpolate( |
|||
i >= fromSize ? default(TransformOperation?) : from._operations[i], |
|||
i >= toSize ? default(TransformOperation?) : to._operations[i], |
|||
progress, |
|||
ref interpolated)) |
|||
{ |
|||
return false; |
|||
} |
|||
|
|||
builder.Append(interpolated); |
|||
} |
|||
|
|||
if (matchingPrefixLength < numOperations) |
|||
{ |
|||
if (!ComputeDecomposedTransform(from, matchingPrefixLength, out Matrix.Decomposed fromDecomposed) || |
|||
!ComputeDecomposedTransform(to, matchingPrefixLength, out Matrix.Decomposed toDecomposed)) |
|||
{ |
|||
return false; |
|||
} |
|||
|
|||
var transform = InterpolationUtilities.InterpolateDecomposedTransforms(ref fromDecomposed, ref toDecomposed, progress); |
|||
|
|||
builder.AppendMatrix(InterpolationUtilities.ComposeTransform(transform)); |
|||
} |
|||
|
|||
result = builder.Build(); |
|||
|
|||
return true; |
|||
} |
|||
|
|||
private static bool ComputeDecomposedTransform(TransformOperations operations, int startOffset, out Matrix.Decomposed decomposed) |
|||
{ |
|||
Matrix transform = operations.ApplyTransforms(startOffset); |
|||
|
|||
if (!Matrix.TryDecomposeTransform(transform, out decomposed)) |
|||
{ |
|||
return false; |
|||
} |
|||
|
|||
return true; |
|||
} |
|||
|
|||
private static int ComputeMatchingPrefixLength(TransformOperations from, TransformOperations to) |
|||
{ |
|||
int numOperations = Math.Min(from._operations.Count, to._operations.Count); |
|||
|
|||
for (int i = 0; i < numOperations; i++) |
|||
{ |
|||
if (from._operations[i].Type != to._operations[i].Type) |
|||
{ |
|||
return i; |
|||
} |
|||
} |
|||
|
|||
// If the operations match to the length of the shorter list, then pad its
|
|||
// length with the matching identity operations.
|
|||
// https://drafts.csswg.org/css-transforms/#transform-function-lists
|
|||
return Math.Max(from._operations.Count, to._operations.Count); |
|||
} |
|||
|
|||
public readonly struct Builder |
|||
{ |
|||
private readonly List<TransformOperation> _operations; |
|||
|
|||
public Builder(int capacity) |
|||
{ |
|||
_operations = new List<TransformOperation>(capacity); |
|||
} |
|||
|
|||
public void AppendTranslate(double x, double y) |
|||
{ |
|||
var toAdd = new TransformOperation(); |
|||
|
|||
toAdd.Type = TransformOperation.OperationType.Translate; |
|||
toAdd.Data.Translate.X = x; |
|||
toAdd.Data.Translate.Y = y; |
|||
|
|||
toAdd.Bake(); |
|||
|
|||
_operations.Add(toAdd); |
|||
} |
|||
|
|||
public void AppendRotate(double angle) |
|||
{ |
|||
var toAdd = new TransformOperation(); |
|||
|
|||
toAdd.Type = TransformOperation.OperationType.Rotate; |
|||
toAdd.Data.Rotate.Angle = angle; |
|||
|
|||
toAdd.Bake(); |
|||
|
|||
_operations.Add(toAdd); |
|||
} |
|||
|
|||
public void AppendScale(double x, double y) |
|||
{ |
|||
var toAdd = new TransformOperation(); |
|||
|
|||
toAdd.Type = TransformOperation.OperationType.Scale; |
|||
toAdd.Data.Scale.X = x; |
|||
toAdd.Data.Scale.Y = y; |
|||
|
|||
toAdd.Bake(); |
|||
|
|||
_operations.Add(toAdd); |
|||
} |
|||
|
|||
public void AppendSkew(double x, double y) |
|||
{ |
|||
var toAdd = new TransformOperation(); |
|||
|
|||
toAdd.Type = TransformOperation.OperationType.Skew; |
|||
toAdd.Data.Skew.X = x; |
|||
toAdd.Data.Skew.Y = y; |
|||
|
|||
toAdd.Bake(); |
|||
|
|||
_operations.Add(toAdd); |
|||
} |
|||
|
|||
public void AppendMatrix(Matrix matrix) |
|||
{ |
|||
var toAdd = new TransformOperation(); |
|||
|
|||
toAdd.Type = TransformOperation.OperationType.Matrix; |
|||
toAdd.Matrix = matrix; |
|||
|
|||
_operations.Add(toAdd); |
|||
} |
|||
|
|||
public void AppendIdentity() |
|||
{ |
|||
var toAdd = new TransformOperation(); |
|||
|
|||
toAdd.Type = TransformOperation.OperationType.Identity; |
|||
|
|||
_operations.Add(toAdd); |
|||
} |
|||
|
|||
public void Append(TransformOperation toAdd) |
|||
{ |
|||
_operations.Add(toAdd); |
|||
} |
|||
|
|||
public TransformOperations Build() |
|||
{ |
|||
return new TransformOperations(_operations); |
|||
} |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,444 @@ |
|||
using System; |
|||
using System.Globalization; |
|||
using Avalonia.Utilities; |
|||
|
|||
namespace Avalonia.Media.Transformation |
|||
{ |
|||
public static class TransformParser |
|||
{ |
|||
private static readonly (string, TransformFunction)[] s_functionMapping = |
|||
{ |
|||
("translate", TransformFunction.Translate), |
|||
("translateX", TransformFunction.TranslateX), |
|||
("translateY", TransformFunction.TranslateY), |
|||
("scale", TransformFunction.Scale), |
|||
("scaleX", TransformFunction.ScaleX), |
|||
("scaleY", TransformFunction.ScaleY), |
|||
("skew", TransformFunction.Skew), |
|||
("skewX", TransformFunction.SkewX), |
|||
("skewY", TransformFunction.SkewY), |
|||
("rotate", TransformFunction.Rotate), |
|||
("matrix", TransformFunction.Matrix) |
|||
}; |
|||
|
|||
private static readonly (string, Unit)[] s_unitMapping = |
|||
{ |
|||
("deg", Unit.Degree), |
|||
("grad", Unit.Gradian), |
|||
("rad", Unit.Radian), |
|||
("turn", Unit.Turn), |
|||
("px", Unit.Pixel) |
|||
}; |
|||
|
|||
public static TransformOperations Parse(string s) |
|||
{ |
|||
void ThrowInvalidFormat() |
|||
{ |
|||
throw new FormatException($"Invalid transform string: '{s}'."); |
|||
} |
|||
|
|||
if (string.IsNullOrEmpty(s)) |
|||
{ |
|||
throw new ArgumentException(nameof(s)); |
|||
} |
|||
|
|||
var span = s.AsSpan().Trim(); |
|||
|
|||
if (span.Equals("none".AsSpan(), StringComparison.OrdinalIgnoreCase)) |
|||
{ |
|||
return TransformOperations.Identity; |
|||
} |
|||
|
|||
var builder = TransformOperations.CreateBuilder(0); |
|||
|
|||
while (true) |
|||
{ |
|||
var beginIndex = span.IndexOf('('); |
|||
var endIndex = span.IndexOf(')'); |
|||
|
|||
if (beginIndex == -1 || endIndex == -1) |
|||
{ |
|||
ThrowInvalidFormat(); |
|||
} |
|||
|
|||
var namePart = span.Slice(0, beginIndex).Trim(); |
|||
|
|||
var function = ParseTransformFunction(in namePart); |
|||
|
|||
if (function == TransformFunction.Invalid) |
|||
{ |
|||
ThrowInvalidFormat(); |
|||
} |
|||
|
|||
var valuePart = span.Slice(beginIndex + 1, endIndex - beginIndex - 1).Trim(); |
|||
|
|||
ParseFunction(in valuePart, function, in builder); |
|||
|
|||
span = span.Slice(endIndex + 1); |
|||
|
|||
if (span.IsWhiteSpace()) |
|||
{ |
|||
break; |
|||
} |
|||
} |
|||
|
|||
return builder.Build(); |
|||
} |
|||
|
|||
private static void ParseFunction( |
|||
in ReadOnlySpan<char> functionPart, |
|||
TransformFunction function, |
|||
in TransformOperations.Builder builder) |
|||
{ |
|||
static UnitValue ParseValue(ReadOnlySpan<char> part) |
|||
{ |
|||
int unitIndex = -1; |
|||
|
|||
for (int i = 0; i < part.Length; i++) |
|||
{ |
|||
char c = part[i]; |
|||
|
|||
if (char.IsDigit(c) || c == '-' || c == '.') |
|||
{ |
|||
continue; |
|||
} |
|||
|
|||
unitIndex = i; |
|||
break; |
|||
} |
|||
|
|||
Unit unit = Unit.None; |
|||
|
|||
if (unitIndex != -1) |
|||
{ |
|||
var unitPart = part.Slice(unitIndex, part.Length - unitIndex); |
|||
|
|||
unit = ParseUnit(unitPart); |
|||
|
|||
part = part.Slice(0, unitIndex); |
|||
} |
|||
|
|||
var value = double.Parse(part.ToString(), NumberStyles.Float, CultureInfo.InvariantCulture); |
|||
|
|||
return new UnitValue(unit, value); |
|||
} |
|||
|
|||
static int ParseValuePair( |
|||
in ReadOnlySpan<char> part, |
|||
ref UnitValue leftValue, |
|||
ref UnitValue rightValue) |
|||
{ |
|||
var commaIndex = part.IndexOf(','); |
|||
|
|||
if (commaIndex != -1) |
|||
{ |
|||
var leftPart = part.Slice(0, commaIndex).Trim(); |
|||
var rightPart = part.Slice(commaIndex + 1, part.Length - commaIndex - 1).Trim(); |
|||
|
|||
leftValue = ParseValue(leftPart); |
|||
rightValue = ParseValue(rightPart); |
|||
|
|||
return 2; |
|||
} |
|||
|
|||
leftValue = ParseValue(part); |
|||
|
|||
return 1; |
|||
} |
|||
|
|||
static int ParseCommaDelimitedValues(ReadOnlySpan<char> part, in Span<UnitValue> outValues) |
|||
{ |
|||
int valueIndex = 0; |
|||
|
|||
while (true) |
|||
{ |
|||
if (valueIndex >= outValues.Length) |
|||
{ |
|||
throw new FormatException("Too many provided values."); |
|||
} |
|||
|
|||
var commaIndex = part.IndexOf(','); |
|||
|
|||
if (commaIndex == -1) |
|||
{ |
|||
if (!part.IsWhiteSpace()) |
|||
{ |
|||
outValues[valueIndex++] = ParseValue(part); |
|||
} |
|||
|
|||
break; |
|||
} |
|||
|
|||
var valuePart = part.Slice(0, commaIndex).Trim(); |
|||
|
|||
outValues[valueIndex++] = ParseValue(valuePart); |
|||
|
|||
part = part.Slice(commaIndex + 1, part.Length - commaIndex - 1); |
|||
} |
|||
|
|||
return valueIndex; |
|||
} |
|||
|
|||
switch (function) |
|||
{ |
|||
case TransformFunction.Scale: |
|||
case TransformFunction.ScaleX: |
|||
case TransformFunction.ScaleY: |
|||
{ |
|||
var scaleX = UnitValue.One; |
|||
var scaleY = UnitValue.One; |
|||
|
|||
int count = ParseValuePair(functionPart, ref scaleX, ref scaleY); |
|||
|
|||
if (count != 1 && (function == TransformFunction.ScaleX || function == TransformFunction.ScaleY)) |
|||
{ |
|||
ThrowFormatInvalidValueCount(function, 1); |
|||
} |
|||
|
|||
VerifyZeroOrUnit(function, in scaleX, Unit.None); |
|||
VerifyZeroOrUnit(function, in scaleY, Unit.None); |
|||
|
|||
if (function == TransformFunction.ScaleY) |
|||
{ |
|||
scaleY = scaleX; |
|||
scaleX = UnitValue.One; |
|||
} |
|||
else if (function == TransformFunction.Scale && count == 1) |
|||
{ |
|||
scaleY = scaleX; |
|||
} |
|||
|
|||
builder.AppendScale(scaleX.Value, scaleY.Value); |
|||
|
|||
break; |
|||
} |
|||
case TransformFunction.Skew: |
|||
case TransformFunction.SkewX: |
|||
case TransformFunction.SkewY: |
|||
{ |
|||
var skewX = UnitValue.Zero; |
|||
var skewY = UnitValue.Zero; |
|||
|
|||
int count = ParseValuePair(functionPart, ref skewX, ref skewY); |
|||
|
|||
if (count != 1 && (function == TransformFunction.SkewX || function == TransformFunction.SkewY)) |
|||
{ |
|||
ThrowFormatInvalidValueCount(function, 1); |
|||
} |
|||
|
|||
VerifyZeroOrAngle(function, in skewX); |
|||
VerifyZeroOrAngle(function, in skewY); |
|||
|
|||
if (function == TransformFunction.SkewY) |
|||
{ |
|||
skewY = skewX; |
|||
skewX = UnitValue.Zero; |
|||
} |
|||
|
|||
builder.AppendSkew(ToRadians(in skewX), ToRadians(in skewY)); |
|||
|
|||
break; |
|||
} |
|||
case TransformFunction.Rotate: |
|||
{ |
|||
var angle = UnitValue.Zero; |
|||
UnitValue _ = default; |
|||
|
|||
int count = ParseValuePair(functionPart, ref angle, ref _); |
|||
|
|||
if (count != 1) |
|||
{ |
|||
ThrowFormatInvalidValueCount(function, 1); |
|||
} |
|||
|
|||
VerifyZeroOrAngle(function, in angle); |
|||
|
|||
builder.AppendRotate(ToRadians(in angle)); |
|||
|
|||
break; |
|||
} |
|||
case TransformFunction.Translate: |
|||
case TransformFunction.TranslateX: |
|||
case TransformFunction.TranslateY: |
|||
{ |
|||
var translateX = UnitValue.Zero; |
|||
var translateY = UnitValue.Zero; |
|||
|
|||
int count = ParseValuePair(functionPart, ref translateX, ref translateY); |
|||
|
|||
if (count != 1 && (function == TransformFunction.TranslateX || function == TransformFunction.TranslateY)) |
|||
{ |
|||
ThrowFormatInvalidValueCount(function, 1); |
|||
} |
|||
|
|||
VerifyZeroOrUnit(function, in translateX, Unit.Pixel); |
|||
VerifyZeroOrUnit(function, in translateY, Unit.Pixel); |
|||
|
|||
if (function == TransformFunction.TranslateY) |
|||
{ |
|||
translateY = translateX; |
|||
translateX = UnitValue.Zero; |
|||
} |
|||
|
|||
builder.AppendTranslate(translateX.Value, translateY.Value); |
|||
|
|||
break; |
|||
} |
|||
case TransformFunction.Matrix: |
|||
{ |
|||
Span<UnitValue> values = stackalloc UnitValue[6]; |
|||
|
|||
int count = ParseCommaDelimitedValues(functionPart, in values); |
|||
|
|||
if (count != 6) |
|||
{ |
|||
ThrowFormatInvalidValueCount(function, 6); |
|||
} |
|||
|
|||
foreach (UnitValue value in values) |
|||
{ |
|||
VerifyZeroOrUnit(function, value, Unit.None); |
|||
} |
|||
|
|||
var matrix = new Matrix( |
|||
values[0].Value, |
|||
values[1].Value, |
|||
values[2].Value, |
|||
values[3].Value, |
|||
values[4].Value, |
|||
values[5].Value); |
|||
|
|||
builder.AppendMatrix(matrix); |
|||
|
|||
break; |
|||
} |
|||
} |
|||
} |
|||
|
|||
private static void VerifyZeroOrUnit(TransformFunction function, in UnitValue value, Unit unit) |
|||
{ |
|||
bool isZero = value.Unit == Unit.None && value.Value == 0d; |
|||
|
|||
if (!isZero && value.Unit != unit) |
|||
{ |
|||
ThrowFormatInvalidValue(function, in value); |
|||
} |
|||
} |
|||
|
|||
private static void VerifyZeroOrAngle(TransformFunction function, in UnitValue value) |
|||
{ |
|||
if (value.Value != 0d && !IsAngleUnit(value.Unit)) |
|||
{ |
|||
ThrowFormatInvalidValue(function, in value); |
|||
} |
|||
} |
|||
|
|||
private static bool IsAngleUnit(Unit unit) |
|||
{ |
|||
switch (unit) |
|||
{ |
|||
case Unit.Radian: |
|||
case Unit.Gradian: |
|||
case Unit.Degree: |
|||
case Unit.Turn: |
|||
{ |
|||
return true; |
|||
} |
|||
} |
|||
|
|||
return false; |
|||
} |
|||
|
|||
private static void ThrowFormatInvalidValue(TransformFunction function, in UnitValue value) |
|||
{ |
|||
var unitString = value.Unit == Unit.None ? string.Empty : value.Unit.ToString(); |
|||
|
|||
throw new FormatException($"Invalid value {value.Value} {unitString} for {function}"); |
|||
} |
|||
|
|||
private static void ThrowFormatInvalidValueCount(TransformFunction function, int count) |
|||
{ |
|||
throw new FormatException($"Invalid format. {function} expects {count} value(s)."); |
|||
} |
|||
|
|||
private static Unit ParseUnit(in ReadOnlySpan<char> part) |
|||
{ |
|||
foreach (var (name, unit) in s_unitMapping) |
|||
{ |
|||
if (part.Equals(name.AsSpan(), StringComparison.OrdinalIgnoreCase)) |
|||
{ |
|||
return unit; |
|||
} |
|||
} |
|||
|
|||
throw new FormatException($"Invalid unit: {part.ToString()}"); |
|||
} |
|||
|
|||
private static TransformFunction ParseTransformFunction(in ReadOnlySpan<char> part) |
|||
{ |
|||
foreach (var (name, transformFunction) in s_functionMapping) |
|||
{ |
|||
if (part.Equals(name.AsSpan(), StringComparison.OrdinalIgnoreCase)) |
|||
{ |
|||
return transformFunction; |
|||
} |
|||
} |
|||
|
|||
return TransformFunction.Invalid; |
|||
} |
|||
|
|||
private static double ToRadians(in UnitValue value) |
|||
{ |
|||
return value.Unit switch |
|||
{ |
|||
Unit.Radian => value.Value, |
|||
Unit.Gradian => MathUtilities.Grad2Rad(value.Value), |
|||
Unit.Degree => MathUtilities.Deg2Rad(value.Value), |
|||
Unit.Turn => MathUtilities.Turn2Rad(value.Value), |
|||
_ => value.Value |
|||
}; |
|||
} |
|||
|
|||
private enum Unit |
|||
{ |
|||
None, |
|||
Pixel, |
|||
Radian, |
|||
Gradian, |
|||
Degree, |
|||
Turn |
|||
} |
|||
|
|||
private readonly struct UnitValue |
|||
{ |
|||
public readonly Unit Unit; |
|||
public readonly double Value; |
|||
|
|||
public UnitValue(Unit unit, double value) |
|||
{ |
|||
Unit = unit; |
|||
Value = value; |
|||
} |
|||
|
|||
public static UnitValue Zero => new UnitValue(Unit.None, 0); |
|||
|
|||
public static UnitValue One => new UnitValue(Unit.None, 1); |
|||
} |
|||
|
|||
private enum TransformFunction |
|||
{ |
|||
Invalid, |
|||
Translate, |
|||
TranslateX, |
|||
TranslateY, |
|||
Scale, |
|||
ScaleX, |
|||
ScaleY, |
|||
Skew, |
|||
SkewX, |
|||
SkewY, |
|||
Rotate, |
|||
Matrix |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,16 @@ |
|||
using BenchmarkDotNet.Attributes; |
|||
|
|||
namespace Avalonia.Benchmarks.Visuals |
|||
{ |
|||
[MemoryDiagnoser, InProcess] |
|||
public class MatrixBenchmarks |
|||
{ |
|||
private static readonly Matrix s_data = Matrix.Identity; |
|||
|
|||
[Benchmark(Baseline = true)] |
|||
public bool Decompose() |
|||
{ |
|||
return Matrix.TryDecomposeTransform(s_data, out Matrix.Decomposed decomposed); |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,229 @@ |
|||
using Avalonia.Media.Transformation; |
|||
using Avalonia.Utilities; |
|||
using Xunit; |
|||
|
|||
namespace Avalonia.Visuals.UnitTests.Media |
|||
{ |
|||
public class TransformOperationsTests |
|||
{ |
|||
[Theory] |
|||
[InlineData("translate(10px)", 10d, 0d)] |
|||
[InlineData("translate(10px, 10px)", 10d, 10d)] |
|||
[InlineData("translate(0px, 10px)", 0d, 10d)] |
|||
[InlineData("translate(10px, 0px)", 10d, 0d)] |
|||
[InlineData("translateX(10px)", 10d, 0d)] |
|||
[InlineData("translateY(10px)", 0d, 10d)] |
|||
public void Can_Parse_Translation(string data, double x, double y) |
|||
{ |
|||
var transform = TransformOperations.Parse(data); |
|||
|
|||
var operations = transform.Operations; |
|||
|
|||
Assert.Single(operations); |
|||
Assert.Equal(TransformOperation.OperationType.Translate, operations[0].Type); |
|||
Assert.Equal(x, operations[0].Data.Translate.X); |
|||
Assert.Equal(y, operations[0].Data.Translate.Y); |
|||
} |
|||
|
|||
[Theory] |
|||
[InlineData("rotate(90deg)", 90d)] |
|||
[InlineData("rotate(0.5turn)", 180d)] |
|||
[InlineData("rotate(200grad)", 180d)] |
|||
[InlineData("rotate(3.14159265rad)", 180d)] |
|||
public void Can_Parse_Rotation(string data, double angleDeg) |
|||
{ |
|||
var transform = TransformOperations.Parse(data); |
|||
|
|||
var operations = transform.Operations; |
|||
|
|||
Assert.Single(operations); |
|||
Assert.Equal(TransformOperation.OperationType.Rotate, operations[0].Type); |
|||
Assert.Equal(MathUtilities.Deg2Rad(angleDeg), operations[0].Data.Rotate.Angle, 4); |
|||
} |
|||
|
|||
[Theory] |
|||
[InlineData("scale(10)", 10d, 10d)] |
|||
[InlineData("scale(10, 10)", 10d, 10d)] |
|||
[InlineData("scale(0, 10)", 0d, 10d)] |
|||
[InlineData("scale(10, 0)", 10d, 0d)] |
|||
[InlineData("scaleX(10)", 10d, 1d)] |
|||
[InlineData("scaleY(10)", 1d, 10d)] |
|||
public void Can_Parse_Scale(string data, double x, double y) |
|||
{ |
|||
var transform = TransformOperations.Parse(data); |
|||
|
|||
var operations = transform.Operations; |
|||
|
|||
Assert.Single(operations); |
|||
Assert.Equal(TransformOperation.OperationType.Scale, operations[0].Type); |
|||
Assert.Equal(x, operations[0].Data.Scale.X); |
|||
Assert.Equal(y, operations[0].Data.Scale.Y); |
|||
} |
|||
|
|||
[Theory] |
|||
[InlineData("skew(90deg)", 90d, 0d)] |
|||
[InlineData("skew(0.5turn)", 180d, 0d)] |
|||
[InlineData("skew(200grad)", 180d, 0d)] |
|||
[InlineData("skew(3.14159265rad)", 180d, 0d)] |
|||
[InlineData("skewX(90deg)", 90d, 0d)] |
|||
[InlineData("skewX(0.5turn)", 180d, 0d)] |
|||
[InlineData("skewX(200grad)", 180d, 0d)] |
|||
[InlineData("skewX(3.14159265rad)", 180d, 0d)] |
|||
[InlineData("skew(0, 90deg)", 0d, 90d)] |
|||
[InlineData("skew(0, 0.5turn)", 0d, 180d)] |
|||
[InlineData("skew(0, 200grad)", 0d, 180d)] |
|||
[InlineData("skew(0, 3.14159265rad)", 0d, 180d)] |
|||
[InlineData("skewY(90deg)", 0d, 90d)] |
|||
[InlineData("skewY(0.5turn)", 0d, 180d)] |
|||
[InlineData("skewY(200grad)", 0d, 180d)] |
|||
[InlineData("skewY(3.14159265rad)", 0d, 180d)] |
|||
[InlineData("skew(90deg, 90deg)", 90d, 90d)] |
|||
[InlineData("skew(0.5turn, 0.5turn)", 180d, 180d)] |
|||
[InlineData("skew(200grad, 200grad)", 180d, 180d)] |
|||
[InlineData("skew(3.14159265rad, 3.14159265rad)", 180d, 180d)] |
|||
public void Can_Parse_Skew(string data, double x, double y) |
|||
{ |
|||
var transform = TransformOperations.Parse(data); |
|||
|
|||
var operations = transform.Operations; |
|||
|
|||
Assert.Single(operations); |
|||
Assert.Equal(TransformOperation.OperationType.Skew, operations[0].Type); |
|||
Assert.Equal(MathUtilities.Deg2Rad(x), operations[0].Data.Skew.X, 4); |
|||
Assert.Equal(MathUtilities.Deg2Rad(y), operations[0].Data.Skew.Y, 4); |
|||
} |
|||
|
|||
[Fact] |
|||
public void Can_Parse_Compound_Operations() |
|||
{ |
|||
var data = "scale(1,2) translate(3px,4px) rotate(5deg) skew(6deg,7deg)"; |
|||
|
|||
var transform = TransformOperations.Parse(data); |
|||
|
|||
var operations = transform.Operations; |
|||
|
|||
Assert.Equal(TransformOperation.OperationType.Scale, operations[0].Type); |
|||
Assert.Equal(1, operations[0].Data.Scale.X); |
|||
Assert.Equal(2, operations[0].Data.Scale.Y); |
|||
|
|||
Assert.Equal(TransformOperation.OperationType.Translate, operations[1].Type); |
|||
Assert.Equal(3, operations[1].Data.Translate.X); |
|||
Assert.Equal(4, operations[1].Data.Translate.Y); |
|||
|
|||
Assert.Equal(TransformOperation.OperationType.Rotate, operations[2].Type); |
|||
Assert.Equal(MathUtilities.Deg2Rad(5), operations[2].Data.Rotate.Angle); |
|||
|
|||
Assert.Equal(TransformOperation.OperationType.Skew, operations[3].Type); |
|||
Assert.Equal(MathUtilities.Deg2Rad(6), operations[3].Data.Skew.X); |
|||
Assert.Equal(MathUtilities.Deg2Rad(7), operations[3].Data.Skew.Y); |
|||
} |
|||
|
|||
[Fact] |
|||
public void Can_Parse_Matrix_Operation() |
|||
{ |
|||
var data = "matrix(1,2,3,4,5,6)"; |
|||
|
|||
var transform = TransformOperations.Parse(data); |
|||
|
|||
var operations = transform.Operations; |
|||
|
|||
Assert.Single(operations); |
|||
Assert.Equal(TransformOperation.OperationType.Matrix, operations[0].Type); |
|||
|
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var expectedMatrix = new Matrix(1, 2, 3, 4, 5, 6); |
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|
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Assert.Equal(expectedMatrix, operations[0].Matrix); |
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} |
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|
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[Theory] |
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[InlineData(0d, 10d, 0d)] |
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[InlineData(0.5d, 5d, 10d)] |
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[InlineData(1d, 0d, 20d)] |
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public void Can_Interpolate_Translation(double progress, double x, double y) |
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{ |
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var from = TransformOperations.Parse("translateX(10px)"); |
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var to = TransformOperations.Parse("translateY(20px)"); |
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|
|||
var interpolated = TransformOperations.Interpolate(from, to, progress); |
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|
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var operations = interpolated.Operations; |
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|
|||
Assert.Single(operations); |
|||
Assert.Equal(TransformOperation.OperationType.Translate, operations[0].Type); |
|||
Assert.Equal(x, operations[0].Data.Translate.X); |
|||
Assert.Equal(y, operations[0].Data.Translate.Y); |
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} |
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|
|||
[Theory] |
|||
[InlineData(0d, 10d, 1d)] |
|||
[InlineData(0.5d, 5.5d, 10.5d)] |
|||
[InlineData(1d, 1d, 20d)] |
|||
public void Can_Interpolate_Scale(double progress, double x, double y) |
|||
{ |
|||
var from = TransformOperations.Parse("scaleX(10)"); |
|||
var to = TransformOperations.Parse("scaleY(20)"); |
|||
|
|||
var interpolated = TransformOperations.Interpolate(from, to, progress); |
|||
|
|||
var operations = interpolated.Operations; |
|||
|
|||
Assert.Single(operations); |
|||
Assert.Equal(TransformOperation.OperationType.Scale, operations[0].Type); |
|||
Assert.Equal(x, operations[0].Data.Scale.X); |
|||
Assert.Equal(y, operations[0].Data.Scale.Y); |
|||
} |
|||
|
|||
[Theory] |
|||
[InlineData(0d, 10d, 0d)] |
|||
[InlineData(0.5d, 5d, 10d)] |
|||
[InlineData(1d, 0d, 20d)] |
|||
public void Can_Interpolate_Skew(double progress, double x, double y) |
|||
{ |
|||
var from = TransformOperations.Parse("skewX(10deg)"); |
|||
var to = TransformOperations.Parse("skewY(20deg)"); |
|||
|
|||
var interpolated = TransformOperations.Interpolate(from, to, progress); |
|||
|
|||
var operations = interpolated.Operations; |
|||
|
|||
Assert.Single(operations); |
|||
Assert.Equal(TransformOperation.OperationType.Skew, operations[0].Type); |
|||
Assert.Equal(MathUtilities.Deg2Rad(x), operations[0].Data.Skew.X); |
|||
Assert.Equal(MathUtilities.Deg2Rad(y), operations[0].Data.Skew.Y); |
|||
} |
|||
|
|||
[Theory] |
|||
[InlineData(0d, 10d)] |
|||
[InlineData(0.5d, 15d)] |
|||
[InlineData(1d,20d)] |
|||
public void Can_Interpolate_Rotation(double progress, double angle) |
|||
{ |
|||
var from = TransformOperations.Parse("rotate(10deg)"); |
|||
var to = TransformOperations.Parse("rotate(20deg)"); |
|||
|
|||
var interpolated = TransformOperations.Interpolate(from, to, progress); |
|||
|
|||
var operations = interpolated.Operations; |
|||
|
|||
Assert.Single(operations); |
|||
Assert.Equal(TransformOperation.OperationType.Rotate, operations[0].Type); |
|||
Assert.Equal(MathUtilities.Deg2Rad(angle), operations[0].Data.Rotate.Angle); |
|||
} |
|||
|
|||
[Fact] |
|||
public void Interpolation_Fallback_To_Matrix() |
|||
{ |
|||
double progress = 0.5d; |
|||
|
|||
var from = TransformOperations.Parse("rotate(45deg)"); |
|||
var to = TransformOperations.Parse("translate(100px, 100px) rotate(1215deg)"); |
|||
|
|||
var interpolated = TransformOperations.Interpolate(from, to, progress); |
|||
|
|||
var operations = interpolated.Operations; |
|||
|
|||
Assert.Single(operations); |
|||
Assert.Equal(TransformOperation.OperationType.Matrix, operations[0].Type); |
|||
} |
|||
} |
|||
} |
|||
Loading…
Reference in new issue