[C#/UWP] InkToolbar 엘리먼트 : TargetInkCanvas 속성 사용하기

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TestProject.zip

0.02MB

▶ MainPage.xaml

<Page x:Class="TestProject.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:muxc="using:Microsoft.UI.Xaml.Controls"
    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Grid>
        <Grid
            HorizontalAlignment="Center"
            VerticalAlignment="Center">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="50"   />
                <ColumnDefinition Width="Auto" />
            </Grid.ColumnDefinitions>
            <StackPanel Grid.Column="0"
                BorderThickness="1"
                BorderBrush="Gray">
                <InkToolbar Name="inkToolbar"
                    TargetInkCanvas="{x:Bind inkCanvas}" />
                <Grid
                    Width="400"
                    Height="400"
                    Background="{ThemeResource SystemChromeWhiteColor}">
                    <InkCanvas Name="inkCanvas" />
                </Grid>
            </StackPanel>
            <StackPanel Grid.Column="2"
                Width="180"
                Spacing="10">
                <muxc:RadioButtons
                    Header="펜 팁">
                    <RadioButton Name="circlePenTip"
                        Content="원"
                        Checked="penTipRadioButton_Checked"
                        IsChecked="True" />
                    <RadioButton
                        Content="사각형"
                        Checked="penTipRadioButton_Checked" />
                </muxc:RadioButtons>
                <Button Name="clearAll"
                    Content="모두 지우기"
                    Click="clearAllButton_Click" />
            </StackPanel>
        </Grid>
    </Grid>
</Page>

 

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▶ MainPage.xaml.cs

using Windows.Foundation;
using Windows.Graphics.Display;
using Windows.UI.Core;
using Windows.UI.Input.Inking;
using Windows.UI.ViewManagement;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;

namespace TestProject
{
    /// <summary>
    /// 메인 페이지
    /// </summary>
    public sealed partial class MainPage : Page
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 잉크 프리젠터
        /// </summary>
        private InkPresenter inkPresenter;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainPage()

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

            #region 윈도우 크기를 설정한다.

            double width  = 800d;
            double height = 600d;

            double dpi = (double)DisplayInformation.GetForCurrentView().LogicalDpi;

            ApplicationView.PreferredLaunchWindowingMode = ApplicationViewWindowingMode.PreferredLaunchViewSize;

            Size windowSize = new Size(width * 96d / dpi, height * 96d / dpi);

            ApplicationView.PreferredLaunchViewSize = windowSize;

            Window.Current.Activate();

            ApplicationView.GetForCurrentView().TryResizeView(windowSize);

            #endregion
            #region 윈도우 제목을 설정한다.

            ApplicationView.GetForCurrentView().Title = "InkToolbar 엘리먼트 : TargetInkCanvas 속성 사용하기";

            #endregion

            this.inkPresenter = this.inkCanvas.InkPresenter;

            this.inkPresenter.InputDeviceTypes = CoreInputDeviceTypes.Mouse | CoreInputDeviceTypes.Pen | CoreInputDeviceTypes.Touch;

            UpdatePen();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 펜 팁 라디오 버튼 체크시 처리하기 - penTipRadioButton_Checked(sender, outedEventArgs e)

        /// <summary>
        /// 펜 팁 라디오 버튼 체크시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void penTipRadioButton_Checked(object sender, RoutedEventArgs e)
        {
            UpdatePen();
        }

        #endregion
        #region 모두 지우기 버튼 클릭시 처리하기 - clearAllButton_Click(sender, e)

        /// <summary>
        /// 모두 지우기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void clearAllButton_Click(object sender, RoutedEventArgs e)
        {
            this.inkPresenter.StrokeContainer.Clear();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 펜 업데이트하기 - UpdatePen()

        /// <summary>
        /// 펜 업데이트하기
        /// </summary>
        private void UpdatePen()
        {
            if(this.inkPresenter != null)
            {
                InkDrawingAttributes defaultAttributes = this.inkPresenter.CopyDefaultDrawingAttributes();

                if(defaultAttributes.Kind == InkDrawingAttributesKind.Default)
                {
                    defaultAttributes.PenTip = (bool)this.circlePenTip.IsChecked ? PenTipShape.Circle : PenTipShape.Rectangle;

                    this.inkPresenter.UpdateDefaultDrawingAttributes(defaultAttributes);
                }
            }
        }

        #endregion
    }
}

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