■ PathGeometry 클래스를 사용해 GraphicsPath 객체에서 패스 지오메트리 객체를 구하는 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="PathGeometry 클래스 : GraphicsPath 객체에서 패스 지오메트리 구하기" FontFamily="나눔고딕코딩" FontSize="16"> <Grid> <Path Name="path" HorizontalAlignment="Center" VerticalAlignment="Center" Stroke="Red" StrokeThickness="3"> </Path> </Grid> </Window> |
▶ MainWindow.xaml.cs
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using System.Collections.Generic; using System.Drawing; using System.Drawing.Drawing2D; using System.Windows; 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(); GraphicsPath graphicsPath = GetRoundedRectanglePath(new RectangleF(0, 0, 300, 300), 10, 10, true, true, true, true); PathGeometry pathGeometry = GetPathGeometry(graphicsPath); this.path.Data = pathGeometry; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 라운드 사각형 패스 구하기 - GetRoundedRectanglePath(rectangle, radiusX, radiusY, roundUpperLeft, roundUpperRight, roundLowerRight, roundLowerLeft) /// <summary> /// 라운드 사각형 패스 구하기 /// </summary> /// <param name="rectangle">사각형</param> /// <param name="radiusX">반경 X</param> /// <param name="radiusY">반경 Y</param> /// <param name="roundUpperLeft">좌상단 라운드 여부</param> /// <param name="roundUpperRight">우상단 라운드 여부</param> /// <param name="roundLowerRight">우하단 라운드 여부</param> /// <param name="roundLowerLeft">좌하단 라운드 여부</param> /// <returns>라운드 사각형 패스</returns> private GraphicsPath GetRoundedRectanglePath ( RectangleF rectangle, float radiusX, float radiusY, bool roundUpperLeft, bool roundUpperRight, bool roundLowerRight, bool roundLowerLeft ) { PointF point1; PointF point2; GraphicsPath path = new GraphicsPath(); if(roundUpperLeft) { RectangleF cornerRectangle = new RectangleF ( rectangle.X, rectangle.Y, 2 * radiusX, 2 * radiusY ); path.AddArc(cornerRectangle, 180, 90); point1 = new PointF(rectangle.X + radiusX, rectangle.Y); } else { point1 = new PointF(rectangle.X, rectangle.Y); } if(roundUpperRight) { point2 = new PointF(rectangle.Right - radiusX, rectangle.Y); } else { point2 = new PointF(rectangle.Right, rectangle.Y); } path.AddLine(point1, point2); if(roundUpperRight) { RectangleF cornerRectangle = new RectangleF ( rectangle.Right - 2 * radiusX, rectangle.Y, 2 * radiusX, 2 * radiusY ); path.AddArc(cornerRectangle, 270, 90); point1 = new PointF(rectangle.Right, rectangle.Y + radiusY); } else { point1 = new PointF(rectangle.Right, rectangle.Y); } if(roundLowerRight) { point2 = new PointF(rectangle.Right, rectangle.Bottom - radiusY); } else { point2 = new PointF(rectangle.Right, rectangle.Bottom); } path.AddLine(point1, point2); if(roundLowerRight) { RectangleF cornerRectangle = new RectangleF ( rectangle.Right - 2 * radiusX, rectangle.Bottom - 2 * radiusY, 2 * radiusX, 2 * radiusY ); path.AddArc(cornerRectangle, 0, 90); point1 = new PointF(rectangle.Right - radiusX, rectangle.Bottom); } else { point1 = new PointF(rectangle.Right, rectangle.Bottom); } if(roundLowerLeft) { point2 = new PointF(rectangle.X + radiusX, rectangle.Bottom); } else { point2 = new PointF(rectangle.X, rectangle.Bottom); } path.AddLine(point1, point2); if(roundLowerLeft) { RectangleF cornerRectangle = new RectangleF ( rectangle.X, rectangle.Bottom - 2 * radiusY, 2 * radiusX, 2 * radiusY ); path.AddArc(cornerRectangle, 90, 90); point1 = new PointF(rectangle.X, rectangle.Bottom - radiusY); } else { point1 = new PointF(rectangle.X, rectangle.Bottom); } if(roundUpperLeft) { point2 = new PointF(rectangle.X, rectangle.Y + radiusY); } else { point2 = new PointF(rectangle.X, rectangle.Y); } path.AddLine(point1, point2); path.CloseFigure(); return path; } #endregion #region 패스 지오메트리 구하기 - GetPathGeometry(graphicsPath) /// <summary> /// 패스 지오메트리 구하기 /// </summary> /// <param name="graphicsPath">그래픽스 패스</param> /// <returns>패스 지오메트리</returns> private PathGeometry GetPathGeometry(GraphicsPath graphicsPath) { List<PathFigure> pathFigureList = new List<PathFigure>(); if(graphicsPath.PointCount != 0) { PointF[] pathPointArray = graphicsPath.PathPoints; byte[] pathTypeByteArray = graphicsPath.PathTypes; PathFigure pathFigure = new PathFigure(); pathFigureList.Add(pathFigure); int index = 0; while(index < pathPointArray.Length) { switch((int)pathTypeByteArray[index] & 7) { case 0 : System.Windows.Point point1 = new System.Windows.Point ( (double)pathPointArray[index].X, (double)pathPointArray[index].Y ); pathFigure.StartPoint = point1; ++index; break; case 1 : System.Windows.Point point2 = new System.Windows.Point ( (double)pathPointArray[index].X, (double)pathPointArray[index].Y ); pathFigure.Segments.Add((PathSegment)new LineSegment(point2, true)); ++index; break; case 3 : System.Windows.Point point3 = new System.Windows.Point ( (double)pathPointArray[index].X, (double)pathPointArray[index].Y ); System.Windows.Point point4 = new System.Windows.Point ( (double)pathPointArray[index + 1].X, (double)pathPointArray[index + 1].Y ); System.Windows.Point point5 = new System.Windows.Point ( (double)pathPointArray[index + 2].X, (double)pathPointArray[index + 2].Y ); pathFigure.Segments.Add((PathSegment)new BezierSegment(point3, point4, point5, true)); index += 3; break; } if(((int)pathTypeByteArray[index - 1] & 128) != 0) { pathFigure.IsClosed = true; pathFigure = new PathFigure(); pathFigureList.Add(pathFigure); } } } return new PathGeometry((IEnumerable<PathFigure>)pathFigureList) { FillRule = graphicsPath.FillMode == FillMode.Alternate ? FillRule.EvenOdd : FillRule.Nonzero }; } #endregion } } |
