[C#/UWP] CompositionTarget 클래스 : Rendering 정적 이벤트 사용하기
■ CompositionTarget 클래스의 Rendering 정적 이벤트를 사용하는 방법을 보여준다. ▶ MainPage.xaml
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<Page x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> <Grid> <Grid.Background> <SolidColorBrush x:Name="gridBackgroundBrush" /> </Grid.Background> <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" FontFamily="나눔고딕코딩" FontSize="96" FontWeight="Bold" Text="안녕하세요"> <TextBlock.Foreground> <SolidColorBrush x:Name="textBlockBackgroundBrush" /> </TextBlock.Foreground> </TextBlock> </Grid> </Page> |
▶ MainPage.xaml.cs
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using Windows.UI; using Windows.UI.Xaml.Controls; using Windows.UI.Xaml.Media; namespace TestProject { /// <summary> /// 메인 페이지 /// </summary> public sealed partial class MainPage : Page { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); CompositionTarget.Rendering += CompositionTarget_Rendering; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 구성 타겟 렌더링시 처리하기 - CompositionTarget_Rendering(sender, e) /// <summary> /// 구성 타겟 렌더링시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void CompositionTarget_Rendering(object sender, object e) { RenderingEventArgs renderingEventArgs = e as RenderingEventArgs; double t = (0.25 * renderingEventArgs.RenderingTime.TotalSeconds) % 1; t = t < 0.5 ? 2 * t : 2 - 2 * t; // 배경색 byte backgroundGrayscale = (byte)(255 * t); this.gridBackgroundBrush.Color = Color.FromArgb(255, backgroundGrayscale, backgroundGrayscale, backgroundGrayscale); // 전경색 byte foregroundGrayscale = (byte)(255 - backgroundGrayscale); this.textBlockBackgroundBrush.Color = Color.FromArgb(255, foregroundGrayscale, foregroundGrayscale, foregroundGrayscale); } #endregion } } |
TestProject.zip