■ EasingFunctionBase 클래스를 사용해 커스텀 Easing 함수를 정의하는 방법을 보여준다.
▶ CustomEasingFunction.cs
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using System; using System.Windows; using System.Windows.Media.Animation; namespace TestProject { /// <summary> /// 커스텀 이징 함수 /// </summary> public class CustomEasingFunction : EasingFunctionBase { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - CustomEasingFunction() /// <summary> /// 생성자 /// </summary> public CustomEasingFunction() : base() { } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 이징 인 처리하기 (코어) - EaseInCore(normalizedTime) /// <summary> /// 이징 인 처리하기 (코어) /// </summary> /// <param name="normalizedTime">정규화 시간</param> /// <returns>처리 결과</returns> protected override double EaseInCore(double normalizedTime) { return Math.Pow(normalizedTime, 7); } #endregion #region 인스턴스 생성하기 (코어) - CreateInstanceCore() /// <summary> /// 인스턴스 생성하기 (코어) /// </summary> /// <returns>생성 인스턴스</returns> protected override Freezable CreateInstanceCore() { return new CustomEasingFunction(); } #endregion } } |
▶ MainWindow.xaml
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<Window x:Class="TestProject.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:TestProject" Width="800" Height="600" Title="TestProject" FontFamily="나눔고딕코딩" FontSize="16"> <Border Width="400" Height="400" Background="LightGray"> <Rectangle Name="rectangle" Width="200" Height="30" Fill="Blue"> <Rectangle.Triggers> <EventTrigger RoutedEvent="Rectangle.MouseDown"> <BeginStoryboard> <Storyboard> <DoubleAnimation Storyboard.TargetName="rectangle" Storyboard.TargetProperty="Height" Duration="00:00:03" From="30" To="200"> <DoubleAnimation.EasingFunction> <local:CustomEasingFunction EasingMode="EaseIn" /> </DoubleAnimation.EasingFunction> </DoubleAnimation> </Storyboard> </BeginStoryboard> </EventTrigger> </Rectangle.Triggers> </Rectangle> </Border> </Window> |
