■ XamlCompositionBrushBase 클래스를 사용해 커스텀 혼합 브러시를 만드는 방법을 보여준다.
▶ CustomCompositionBrush.cs
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using Microsoft.Graphics.Canvas; using Microsoft.Graphics.Canvas.Effects; using System; using Windows.UI.Composition; using Windows.UI.Xaml; using Windows.UI.Xaml.Media; using Windows.Storage.Streams; namespace TestProject { /// <summary> /// 커스텀 혼합 브러시 /// </summary> public class CustomCompositionBrush : XamlCompositionBrushBase { //////////////////////////////////////////////////////////////////////////////////////////////////// Dependency Property ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 불선명도 양 속성 - BlurAmountProperty /// <summary> /// 불선명도 양 속성 /// </summary> public static readonly DependencyProperty BlurAmountProperty = DependencyProperty.Register ( "BlurAmount", typeof(double), typeof(CustomCompositionBrush), new PropertyMetadata ( 0.0, BlurAmountPropertyChangedCallback ) ); #endregion #region 대비 양 속성 - ContrastAmountProperty /// <summary> /// 대비 양 속성 /// </summary> public static readonly DependencyProperty ContrastAmountProperty = DependencyProperty.Register ( "ContrastAmount", typeof(double), typeof(CustomCompositionBrush), new PropertyMetadata ( 0.0, new PropertyChangedCallback(ContrastAmountPropertyChangedCallback) ) ); #endregion #region 채도 양 속성 - SaturationAmountProperty /// <summary> /// 채도 양 속성 /// </summary> public static readonly DependencyProperty SaturationAmountProperty = DependencyProperty.Register ( "SaturationAmount", typeof(double), typeof(CustomCompositionBrush), new PropertyMetadata ( 1.0, new PropertyChangedCallback(SaturationAmountPropertyChangedCallback) ) ); #endregion #region 노출 양 속성 - ExposureAmountProperty /// <summary> /// 노출 양 속성 /// </summary> public static readonly DependencyProperty ExposureAmountProperty = DependencyProperty.Register ( "ExposureAmount", typeof(double), typeof(CustomCompositionBrush), new PropertyMetadata ( 0.0, new PropertyChangedCallback(ExposureAmountPropertyChangedCallback) ) ); #endregion #region 색조 양 속성 - TintAmountProperty /// <summary> /// 색조 양 속성 /// </summary> public static readonly DependencyProperty TintAmountProperty = DependencyProperty.Register ( "TintAmount", typeof(double), typeof(CustomCompositionBrush), new PropertyMetadata ( 0.0, new PropertyChangedCallback(TintAmountPropertyChangedCallback) ) ); #endregion #region 온도 양 속성 - TemperatureAmountProperty /// <summary> /// 온도 양 속성 /// </summary> public static readonly DependencyProperty TemperatureAmountProperty = DependencyProperty.Register ( "TemperatureAmount", typeof(double), typeof(CustomCompositionBrush), new PropertyMetadata ( 0.0, new PropertyChangedCallback(TemperatureAmountPropertyChangedCallback) ) ); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 이미지 로딩 여부 /// </summary> private bool isImageLoading = false; /// <summary> /// 로드된 이미지 표면 /// </summary> private LoadedImageSurface loadedImageSurface; /// <summary> /// 혼합 효과 브러시 /// </summary> private CompositionEffectBrush compositionEffectBrush; /// <summary> /// 대비 효과 /// </summary> private ContrastEffect contrastEffect; /// <summary> /// 노출 효과 /// </summary> private ExposureEffect exposureEffect; /// <summary> /// 온도/색조 효과 /// </summary> private TemperatureAndTintEffect temperatureAndTintEffect; /// <summary> /// 가우스안 불선명 효과 /// </summary> private GaussianBlurEffect gaussianBlurEffect; /// <summary> /// 채도 효과 /// </summary> private SaturationEffect saturationEffect; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 이미지 - Image /// <summary> /// 이미지 /// </summary> public ICanvasImage Image { get { this.contrastEffect.Contrast = (float)ContrastAmount; this.exposureEffect.Exposure = (float)ExposureAmount; this.temperatureAndTintEffect.Tint = (float)TintAmount; this.temperatureAndTintEffect.Temperature = (float)TemperatureAmount; this.saturationEffect.Saturation = (float)SaturationAmount; this.gaussianBlurEffect.BlurAmount = (float)BlurAmount; return this.gaussianBlurEffect; } } #endregion #region 불선명도 양 - BlurAmount /// <summary> /// 불선명도 양 /// </summary> public double BlurAmount { get { return (double)GetValue(BlurAmountProperty); } set { SetValue(BlurAmountProperty, value); } } #endregion #region 대비 양 - ContrastAmount /// <summary> /// 대비 양 /// </summary> public double ContrastAmount { get { return (double)GetValue(ContrastAmountProperty); } set { SetValue(ContrastAmountProperty, value); } } #endregion #region 채도 양 - SaturationAmount /// <summary> /// 채도 양 /// </summary> public double SaturationAmount { get { return (double)GetValue(SaturationAmountProperty); } set { SetValue(SaturationAmountProperty, value); } } #endregion #region 노출 양 - ExposureAmount /// <summary> /// 노출 양 /// </summary> public double ExposureAmount { get { return (double)GetValue(ExposureAmountProperty); } set { SetValue(ExposureAmountProperty, value); } } #endregion #region 색조 양 - TintAmount /// <summary> /// 색조 양 /// </summary> public double TintAmount { get { return (double)GetValue(TintAmountProperty); } set { SetValue(TintAmountProperty, value); } } #endregion #region 온도 양 - TemperatureAmount /// <summary> /// 온도 양 /// </summary> public double TemperatureAmount { get { return (double)GetValue(TemperatureAmountProperty); } set { SetValue(TemperatureAmountProperty, value); } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - CustomCompositionBrush() /// <summary> /// 생성자 /// </summary> public CustomCompositionBrush() { } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 불선명도 양 속성 변경시 콜백 처리하기 - BlurAmountPropertyChangedCallback(d, e) /// <summary> /// 불선명도 양 속성 변경시 콜백 처리하기 /// </summary> /// <param name="d">의존 객체</param> /// <param name="e">이벤트 인자</param> private static void BlurAmountPropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e) { CustomCompositionBrush brush = d as CustomCompositionBrush; brush.CompositionBrush?.Properties.InsertScalar("Blur.BlurAmount", (float)(double)e.NewValue); } #endregion #region 대비 양 속성 변경시 콜백 처리하기 - ContrastAmountPropertyChangedCallback(d, e) /// <summary> /// 대비 양 속성 변경시 콜백 처리하기 /// </summary> /// <param name="d">의존 객체</param> /// <param name="e">이벤트 인자</param> private static void ContrastAmountPropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e) { CustomCompositionBrush brush = d as CustomCompositionBrush; brush.CompositionBrush?.Properties.InsertScalar("ContrastEffect.Contrast", (float)(double)e.NewValue); } #endregion #region 채도 양 속성 변경시 콜백 처리하기 - SaturationAmountPropertyChangedCallback(d, e) /// <summary> /// 채도 양 속성 변경시 콜백 처리하기 /// </summary> /// <param name="d">의존 객체</param> /// <param name="e">이벤트 인자</param> private static void SaturationAmountPropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e) { CustomCompositionBrush brush = d as CustomCompositionBrush; brush.CompositionBrush?.Properties.InsertScalar("SaturationEffect.Saturation", (float)(double)e.NewValue); } #endregion #region 노출 양 속성 변경시 콜백 처리하기 - ExposureAmountPropertyChangedCallback(d, e) /// <summary> /// 노출 양 속성 변경시 콜백 처리하기 /// </summary> /// <param name="d">의존 객체</param> /// <param name="e">이벤트 인자</param> private static void ExposureAmountPropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e) { CustomCompositionBrush brush = d as CustomCompositionBrush; brush.CompositionBrush?.Properties.InsertScalar("ExposureEffect.Exposure", (float)(double)e.NewValue); } #endregion #region 색조 양 속성 변경시 콜백 처리하기 - TintAmountPropertyChangedCallback(d, e) /// <summary> /// 색조 양 속성 변경시 콜백 처리하기 /// </summary> /// <param name="d">의존 객체</param> /// <param name="e">이벤트 인자</param> private static void TintAmountPropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e) { CustomCompositionBrush brush = d as CustomCompositionBrush; brush.CompositionBrush?.Properties.InsertScalar("TemperatureAndTintEffect.Tint", (float)(double)e.NewValue); } #endregion #region 온도 양 속성 변경시 콜백 처리하기 - TemperatureAmountPropertyChangedCallback(d, e) /// <summary> /// 온도 양 속성 변경시 콜백 처리하기 /// </summary> /// <param name="d">의존 객체</param> /// <param name="e">이벤트 인자</param> private static void TemperatureAmountPropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e) { CustomCompositionBrush brush = d as CustomCompositionBrush; brush.CompositionBrush?.Properties.InsertScalar("TemperatureAndTintEffect.Temperature", (float)(double)e.NewValue); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Public #region 소스 설정하기 - SetSource(source) /// <summary> /// 소스 설정하기 /// </summary> /// <param name="source">소스</param> public void SetSource(ICanvasImage source) { this.saturationEffect.Source = source; } #endregion #region 이미지 로드하기 - LoadImage(filePath) /// <summary> /// 이미지 로드하기 /// </summary> /// <param name="filePath">파일 경로</param> public void LoadImage(string filePath) { Compositor compositor = Window.Current.Compositor; this.loadedImageSurface = LoadedImageSurface.StartLoadFromUri(new Uri(filePath)); this.loadedImageSurface.LoadCompleted += loadedImageSurface_LoadedCompleted; } #endregion #region 이미지 로드하기 - LoadImage(stream) /// <summary> /// 이미지 로드하기 /// </summary> /// <param name="stream">스트림</param> public void LoadImage(IRandomAccessStream stream) { if(stream != null && this.isImageLoading == false) { Compositor compositor = Window.Current.Compositor; this.isImageLoading = true; this.loadedImageSurface = LoadedImageSurface.StartLoadFromStream(stream); this.loadedImageSurface.LoadCompleted += loadedImageSurface_LoadedCompleted; } } #endregion //////////////////////////////////////////////////////////////////////////////// Protected #region 연결 취소시 처리하기 - OnDisconnected() /// <summary> /// 연결 취소시 처리하기 /// </summary> protected override void OnDisconnected() { if(this.loadedImageSurface != null) { this.loadedImageSurface.Dispose(); this.loadedImageSurface = null; } if(CompositionBrush != null) { CompositionBrush.Dispose(); CompositionBrush = null; } } #endregion //////////////////////////////////////////////////////////////////////////////// Private #region 로드된 이미지 표면 로드 완료시 처리하기 - loadedImageSurface_LoadedCompleted(sender, e) /// <summary> /// 로드된 이미지 표면 로드 완료시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void loadedImageSurface_LoadedCompleted(LoadedImageSurface sender, LoadedImageSourceLoadCompletedEventArgs e) { this.isImageLoading = false; if(e.Status == LoadedImageSourceLoadStatus.Success) { Compositor compositor = Window.Current.Compositor; CompositionSurfaceBrush brush = compositor.CreateSurfaceBrush(this.loadedImageSurface); brush.Stretch = CompositionStretch.UniformToFill; this.saturationEffect = new SaturationEffect() { Name = "SaturationEffect", Saturation = (float)SaturationAmount, Source = new CompositionEffectSourceParameter("image") }; this.contrastEffect = new ContrastEffect() { Name = "ContrastEffect", Contrast = (float)ContrastAmount, Source = this.saturationEffect }; this.exposureEffect = new ExposureEffect() { Name = "ExposureEffect", Source = this.contrastEffect, Exposure = (float)ExposureAmount, }; this.temperatureAndTintEffect = new TemperatureAndTintEffect() { Name = "TemperatureAndTintEffect", Source = this.exposureEffect, Temperature = (float)TemperatureAmount, Tint = (float)TintAmount }; this.gaussianBlurEffect = new GaussianBlurEffect() { Name = "Blur", Source = this.temperatureAndTintEffect, BlurAmount = (float)BlurAmount, BorderMode = EffectBorderMode.Hard, }; CompositionEffectFactory factory = compositor.CreateEffectFactory ( this.gaussianBlurEffect, new[] { "SaturationEffect.Saturation", "ExposureEffect.Exposure", "Blur.BlurAmount", "TemperatureAndTintEffect.Temperature", "TemperatureAndTintEffect.Tint", "ContrastEffect.Contrast" } ); this.compositionEffectBrush = factory.CreateBrush(); this.compositionEffectBrush.SetSourceParameter("image", brush); CompositionBrush = this.compositionEffectBrush; } else { LoadImage("ms-appx:///Assets/StoreLogo.png"); } } #endregion } } |
▶ 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" xmlns:local="using:TestProject" RequestedTheme="Dark" Background="{ThemeResource ApplicationPageBackgroundThemeBrush}" FontFamily="나눔고딕코딩" FontSize="16"> <Grid> <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center"> <Rectangle Width="200" Height="200"> <Rectangle.Fill> <local:CustomCompositionBrush x:Name="customCompositionBrush" BlurAmount="0" ContrastAmount="0" SaturationAmount="0" ExposureAmount="0" TintAmount="0" TemperatureAmount="0" /> </Rectangle.Fill> </Rectangle> <Slider Header="불선명도" Width="500" Minimum="0" Maximum="5" StepFrequency="0.1" TickFrequency="0.1" Value="{x:Bind customCompositionBrush.BlurAmount, Mode=TwoWay}" /> <Slider Header="대비" Margin="0 10 0 0" Width="500" Minimum="-1" Maximum="1" StepFrequency="0.1" TickFrequency="0.1" Value="{x:Bind customCompositionBrush.ContrastAmount, Mode=TwoWay}" /> <Slider Header="채도" Margin="0 10 0 0" Width="500" Minimum="-2" Maximum="2" StepFrequency="0.1" TickFrequency="0.1" Value="{x:Bind customCompositionBrush.SaturationAmount, Mode=TwoWay}" /> <Slider Header="노출" Margin="0 10 0 0" Width="500" Minimum="-2" Maximum="2" StepFrequency="0.1" TickFrequency="0.1" Value="{x:Bind customCompositionBrush.ExposureAmount, Mode=TwoWay}" /> <Slider Header="색조" Margin="0 10 0 0" Width="500" Minimum="-1" Maximum="1" StepFrequency="0.1" TickFrequency="0.1" Value="{x:Bind customCompositionBrush.TintAmount, Mode=TwoWay}" /> <Slider Header="온도" Margin="0 10 0 0" Width="500" Minimum="-1" Maximum="1" StepFrequency="0.1" TickFrequency="0.1" Value="{x:Bind customCompositionBrush.TemperatureAmount, Mode=TwoWay}" /> </StackPanel> </Grid> </Page> |
▶ MainPage.xaml.cs
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using System; using Windows.ApplicationModel; using Windows.Storage; using Windows.Storage.Streams; using Windows.UI.Xaml.Controls; using Windows.UI.Xaml.Navigation; namespace TestProject { /// <summary> /// 메인 페이지 /// </summary> public sealed partial class MainPage : Page { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Protected //////////////////////////////////////////////////////////////////////////////// Function #region 탐색되는 경우 처리하기 - OnNavigatedTo(e) /// <summary> /// 탐색되는 경우 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override async void OnNavigatedTo(NavigationEventArgs e) { StorageFolder packageStorageFolder = Package.Current.InstalledLocation; StorageFolder assetsStorageFolder = await packageStorageFolder.GetFolderAsync("Assets"); StorageFile storageFile = await assetsStorageFolder.GetFileAsync("Square150x150Logo.scale-200.png"); using(IRandomAccessStream stream = await storageFile.OpenReadAsync()) { this.customCompositionBrush.LoadImage(stream); } } #endregion } } |
