[C#/WPF] DrawingImage 클래스 : Drawing 속성을 사용해 드로잉 이미지 만들기

■ DrawingImage 클래스의 Drawing 속성을 사용해 드로잉 이미지를 만드는 방법을 보여준다.

TestProject.zip

0.01MB

▶ 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">
</Window>

 

▶ MainWindow.xaml.cs

using System.Windows;
using System.Windows.Controls;
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();

            #region 색상 1을 생성한다.

            Color color1 = new Color();

            color1.A = 255;
            color1.R = 204;
            color1.G = 204;
            color1.B = 255;

            #endregion
            #region 그라디언트 중단 1을 생성한다.

            GradientStop gradientStop1 = new GradientStop();

            gradientStop1.Offset = 0.0;
            gradientStop1.Color  = color1;

            #endregion
            #region 그라디언트 중단 2를 생성한다.

            GradientStop gradientStop2 = new GradientStop();

            gradientStop2.Offset = 1.0;
            gradientStop2.Color  = Colors.Purple;

            #endregion
            #region 선형 그라디언트 브러시를 생성한다.

            LinearGradientBrush linearGradientBrush = new LinearGradientBrush();

            linearGradientBrush.GradientStops.Add(gradientStop1);
            linearGradientBrush.GradientStops.Add(gradientStop2);

            #endregion
            #region 펜을 생성한다.

            Pen pen = new Pen();

            pen.Thickness  = 10;
            pen.LineJoin   = PenLineJoin.Round;
            pen.EndLineCap = PenLineCap.Round;
            pen.Brush      = linearGradientBrush;

            #endregion

            #region 사각형 기하를 생성한다.

            RectangleGeometry rectangleGeometry = new RectangleGeometry();

            rectangleGeometry.Rect = new Rect(0, 0, 50, 50);

            #endregion
            #region 타원 기하를 생성한다.

            EllipseGeometry ellipseGeometry = new EllipseGeometry();

            ellipseGeometry.Center  = new Point(75, 75);
            ellipseGeometry.RadiusX = 50;
            ellipseGeometry.RadiusY = 50;

            #endregion
            #region 선 기하를 생성한다.

            LineGeometry lineGeometry = new LineGeometry();

            lineGeometry.StartPoint = new Point(75, 75);
            lineGeometry.EndPoint   = new Point(75, 0 );

            #endregion
            #region 기하 그룹을 생성한다.

            GeometryGroup geometryGroup = new GeometryGroup();

            geometryGroup.Children.Add(rectangleGeometry);
            geometryGroup.Children.Add(ellipseGeometry  );
            geometryGroup.Children.Add(lineGeometry     );

            #endregion

            #region 기하 드로잉을 생성한다.

            GeometryDrawing geometryDrawing = new GeometryDrawing();

            geometryDrawing.Pen      = pen;
            geometryDrawing.Geometry = geometryGroup;

            #endregion
            #region 드로잉 그룹을 생성한다.

            DrawingGroup drawingGroup = new DrawingGroup();

            drawingGroup.Children.Add(geometryDrawing);

            #endregion
            #region 드로잉 이미지를 생성한다.

            DrawingImage drawingImage = new DrawingImage();

            drawingImage.Drawing = drawingGroup;

            #endregion

            #region 이미지를 생성한다.

            Image image = new Image();

            image.Margin  = new Thickness(10);
            image.Stretch = Stretch.None;
            image.Source  = drawingImage;

            #endregion

            Content = image;
        }

        #endregion
    }
}