■ InkCanvas 클래스의 Gesture 이벤트를 사용해 애플리케이션 제스처를 인식하는 방법을 보여준다.
▶ 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" Width="800" Height="600" Title="TestProject" FontFamily="나눔고딕코딩" FontSize="16"> <Border Margin="10" BorderThickness="1" BorderBrush="Black"> <InkCanvas Name="inkCanvas" /> </Border> </Window> |
▶ MainWindow.xaml.cs
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using System.Collections.ObjectModel; using System.Windows; using System.Windows.Controls; using System.Windows.Ink; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); if(this.inkCanvas.IsGestureRecognizerAvailable) { this.inkCanvas.EditingMode = InkCanvasEditingMode.InkAndGesture; this.inkCanvas.Gesture += inkCanvas_Gesture; this.inkCanvas.SetEnabledGestures(new ApplicationGesture[] { ApplicationGesture.ScratchOut }); } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 잉크 캔버스 제스처 처리하기 - inkCanvas_Gesture(sender, e) /// <summary> /// 잉크 캔버스 제스처 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void inkCanvas_Gesture(object sender, InkCanvasGestureEventArgs e) { ReadOnlyCollection<GestureRecognitionResult> resultCollection = e.GetGestureRecognitionResults(); if((resultCollection[0].RecognitionConfidence == RecognitionConfidence.Strong) && (resultCollection[0].ApplicationGesture == ApplicationGesture.ScratchOut)) { StrokeCollection hitStrokeCollection = inkCanvas.Strokes.HitTest(e.Strokes.GetBounds(), 10); if(hitStrokeCollection.Count > 0) { inkCanvas.Strokes.Remove(hitStrokeCollection); } } } #endregion } } |
