■ UIElement 클래스에서 잉크 입력 컨트롤을 만드는 방법을 보여준다.
▶ InkControl.cs
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using System; using System.Windows; using System.Windows.Ink; using System.Windows.Input; using System.Windows.Input.StylusPlugIns; using System.Windows.Controls; namespace TestProject { /// <summary> /// 잉크 컨트롤 /// </summary> public class InkControl : Label { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 잉크 프리젠터 /// </summary> private InkPresenter presenter; /// <summary> /// 동적 렌더러 /// </summary> private DynamicRenderer renderer; /// <summary> /// 스타일러스 포인트 컬렉션 /// </summary> private StylusPointCollection pointCollection = null; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Static #region 생성자 - InkControl() /// <summary> /// 생성자 /// </summary> static InkControl() { Type ownerType = typeof(InkControl); ClipToBoundsProperty.OverrideMetadata(ownerType, new FrameworkPropertyMetadata(true)); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - InkControl() /// <summary> /// 생성자 /// </summary> public InkControl() { this.presenter = new InkPresenter(); Content = this.presenter; this.renderer = new DynamicRenderer(); this.presenter.AttachVisuals(this.renderer.RootVisual, this.renderer.DrawingAttributes); StylusPlugIns.Add(this.renderer); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 스타일러스 DOWN 처리하기 - OnStylusDown(e) /// <summary> /// 스타일러스 DOWN 처리하기 /// </summary> /// <param name="e">이벤트 발생자</param> protected override void OnStylusDown(StylusDownEventArgs e) { Stylus.Capture(this); this.pointCollection = new StylusPointCollection(); StylusPointCollection pointCollection = e.GetStylusPoints(this, this.pointCollection.Description); this.pointCollection.Add(pointCollection); } #endregion #region 스타일러스 이동시 처리하기 - OnStylusMove(e) /// <summary> /// 스타일러스 이동시 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnStylusMove(StylusEventArgs e) { if(this.pointCollection == null) { return; } StylusPointCollection pointCollection = e.GetStylusPoints(this, this.pointCollection.Description); this.pointCollection.Add(pointCollection); } #endregion #region 스타일러스 UP 처리하기 - OnStylusUp(e) /// <summary> /// 스타일러스 UP 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnStylusUp(StylusEventArgs e) { if(this.pointCollection == null) { return; } StylusPointCollection pointCollection = e.GetStylusPoints(this, this.pointCollection.Description); this.pointCollection.Add(pointCollection); Stroke stroke = new Stroke(this.pointCollection); this.presenter.Strokes.Add(stroke); this.pointCollection = null; Stylus.Capture(null); } #endregion #region 마우슨 왼쪽 버튼 DOWN 처리하기 - OnMouseLeftButtonDown(e) /// <summary> /// 마우슨 왼쪽 버튼 DOWN 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e) { base.OnMouseLeftButtonDown(e); if(e.StylusDevice != null) { return; } this.pointCollection = new StylusPointCollection(); Point point = e.GetPosition(this); this.pointCollection.Add(new StylusPoint(point.X, point.Y)); } #endregion #region 마우스 이동시 처리하기 - OnMouseMove(e) /// <summary> /// 마우스 이동시 처리하기 /// </summary> /// <param name="e">이벤트 발생자</param> protected override void OnMouseMove(MouseEventArgs e) { base.OnMouseMove(e); if(e.StylusDevice != null) { return; } if(e.LeftButton == MouseButtonState.Released || this.pointCollection == null) { return; } Point point = e.GetPosition(this); this.pointCollection.Add(new StylusPoint(point.X, point.Y)); } #endregion #region 마우스 왼쪽 버튼 UP 처리하기 - OnMouseLeftButtonUp(e) /// <summary> /// 마우스 왼쪽 버튼 UP 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e) { base.OnMouseLeftButtonUp(e); if(e.StylusDevice != null) { return; } if(this.pointCollection == null) { return; } Point point = e.GetPosition(this); this.pointCollection.Add(new StylusPoint(point.X, point.Y)); Stroke stroke = new Stroke(this.pointCollection); stroke.DrawingAttributes = this.renderer.DrawingAttributes; this.presenter.Strokes.Add(stroke); this.pointCollection = null; } #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 Margin="10" BorderThickness="2" BorderBrush="Black"> <local:InkControl /> </Border> </Window> |
