[C#/WPF] InkPresenter 클래스 : 잉크 회전/복사하기

■ InkPresenter 클래스를 사용해 잉크를 회전/복사하는 방법을 보여준다.

▶ MainWindow.xaml


<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">
    <Grid Margin="10">
        <Grid.RowDefinitions>
            <RowDefinition Height="*"    />
            <RowDefinition Height="10"   />
            <RowDefinition Height="Auto" />
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*"  />
            <ColumnDefinition Width="10" />
            <ColumnDefinition Width="*"  />
        </Grid.ColumnDefinitions>
        <InkCanvas Name="sourceInkCanvas" Grid.Row="0" Grid.Column="0"
            Background="LightBlue" />
        <Border Name="targetBorder" Grid.Row="0" Grid.Column="2"
            Background="LightGreen"
            ClipToBounds="True">
            <InkPresenter Name="targetInkPresenter" />
        </Border>
        <Button Name="copyAndRotateStrokeButton" Grid.Row="2" Grid.Column="0" Grid.ColumnSpan="3"
            HorizontalAlignment="Center"
            Padding="10 0 10 0"
            Height="30"
            Content="스트로크 회전 및 복사하기" />
    </Grid>
</Window>

<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">

<Grid.RowDefinitions>

</Grid.RowDefinitions>

<Grid.ColumnDefinitions>

</Grid.ColumnDefinitions>

<InkCanvas Name="sourceInkCanvas" Grid.Row="0" Grid.Column="0"

Background="LightBlue" />

<Border Name="targetBorder" Grid.Row="0" Grid.Column="2"

Background="LightGreen"

ClipToBounds="True">

</Border>

<Button Name="copyAndRotateStrokeButton" Grid.Row="2" Grid.Column="0" Grid.ColumnSpan="3"

HorizontalAlignment="Center"

Padding="10 0 10 0"

Height="30"

Content="스트로크 회전 및 복사하기" />

</Grid>

</Window>

▶ MainWindow.xaml.cs


using System.Windows;
using System.Windows.Ink;
using System.Windows.Media;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            this.copyAndRotateStrokeButton.Click += copyAndRotateStrokeButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 스트로크 회전 및 복사하기 버튼 클릭시 처리하기 - copyAndRotateStrokeButton_Click(sender, e)

        /// <summary>
        /// 스트로크 회전 및 복사하기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void copyAndRotateStrokeButton_Click(object sender, RoutedEventArgs e)
        {
            StrokeCollection strokeCollection = this.sourceInkCanvas.Strokes.Clone();

            Matrix matrix = new Matrix();

            Point centerPoint = new Point(this.targetBorder.ActualWidth / 2, targetBorder.ActualHeight / 2);

            matrix.RotateAt(90, centerPoint.X, centerPoint.Y);

            strokeCollection.Transform(matrix, false);

            this.targetInkPresenter.Strokes = strokeCollection;
        }

        #endregion
    }
}

using System.Windows;

using System.Windows.Ink;

using System.Windows.Media;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public partial class MainWindow : Window

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

this.copyAndRotateStrokeButton.Click += copyAndRotateStrokeButton_Click;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 스트로크 회전 및 복사하기 버튼 클릭시 처리하기 - copyAndRotateStrokeButton_Click(sender, e)

/// <summary>

/// 스트로크 회전 및 복사하기 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void copyAndRotateStrokeButton_Click(object sender, RoutedEventArgs e)

{

StrokeCollection strokeCollection = this.sourceInkCanvas.Strokes.Clone();

Matrix matrix = new Matrix();

Point centerPoint = new Point(this.targetBorder.ActualWidth / 2, targetBorder.ActualHeight / 2);

matrix.RotateAt(90, centerPoint.X, centerPoint.Y);

strokeCollection.Transform(matrix, false);

this.targetInkPresenter.Strokes = strokeCollection;

}

#endregion

}

TestProject.zip