■ 폰트 메트릭을 구하는 방법을 보여준다.
▶ VerticalAlignment.cs
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namespace TestProject { /// <summary> /// 수직 정렬 /// </summary> public enum VerticalAlignment { /// <summary> /// 상단 /// </summary> Top, /// <summary> /// 중간 /// </summary> Middle, /// <summary> /// 하단 /// </summary> Bottom, } } |
▶ DrawingContextExtensions.cs
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using System.Globalization; using System.Linq; using System.Windows; using System.Windows.Media; namespace TestProject { /// <summary> /// 그리기 컨텍스트 확장 /// </summary> public static class DrawingContextExtension { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 문자열 그리기 - DrawString(drawingContext, text, fontName, emSize, brush, originPoint, verticalAlignment, horizontalAlignment) /// <summary> /// 문자열 그리기 /// </summary> /// <param name="drawingContext">그리기 컨텍스트</param> /// <param name="text">텍스트</param> /// <param name="fontName">폰트명</param> /// <param name="emSize">EM 크기</param> /// <param name="brush">브러시</param> /// <param name="originPoint">원점 포인트</param> /// <param name="verticalAlignment">수직 정렬</param> /// <param name="horizontalAlignment">수평 정렬</param> public static void DrawString(this DrawingContext drawingContext, string text, string fontName, double emSize, Brush brush, Point originPoint, VerticalAlignment verticalAlignment, TextAlignment horizontalAlignment) { Typeface typeface = new Typeface(fontName); FormattedText formattedText = new FormattedText ( text, CultureInfo.CurrentUICulture, FlowDirection.LeftToRight, typeface, emSize, brush ); formattedText.TextAlignment = horizontalAlignment; if(verticalAlignment == VerticalAlignment.Middle) { originPoint.Y -= formattedText.Height / 2; } else if(verticalAlignment == VerticalAlignment.Bottom) { originPoint.Y -= formattedText.Height; } drawingContext.DrawText(formattedText, originPoint); } #endregion #region 문자열 그리기 - DrawString(drawingContext, text, angle, fontName, emSize, brush, originPoint, textAlignment, verticalAlignment, horizontalAlignment) /// <summary> /// 문자열 그리기 /// </summary> /// <param name="drawingContext">그리기 컨텍스트</param> /// <param name="text">텍스트</param> /// <param name="angle">각도</param> /// <param name="fontName">폰트명</param> /// <param name="emSize">EM 크기</param> /// <param name="brush">브러시</param> /// <param name="originPoint">원점 포인트</param> /// <param name="textAlignment">텍스트 정렬</param> /// <param name="verticalAlignment">수직 정렬</param> /// <param name="horizontalAlignment">수평 정렬</param> public static void DrawString(this DrawingContext drawingContext, string text, double angle, string fontName, double emSize, Brush brush, Point originPoint, TextAlignment textAlignment, VerticalAlignment verticalAlignment, TextAlignment horizontalAlignment) { Typeface typeface = new Typeface(fontName); FormattedText formattedText = new FormattedText ( text, CultureInfo.CurrentUICulture, FlowDirection.LeftToRight, typeface, emSize, brush ); formattedText.TextAlignment = textAlignment; double width = formattedText.Width - formattedText.OverhangLeading; double height = formattedText.Height; TranslateTransform translateTransform1 = new TranslateTransform(); translateTransform1.Y = -height / 2; if((textAlignment == TextAlignment.Left) || (textAlignment == TextAlignment.Justify)) { translateTransform1.X = -width / 2; } else if(textAlignment == TextAlignment.Right) { translateTransform1.X = width / 2; } else { translateTransform1.X = 0; } RotateTransform rotateTransform = new RotateTransform(angle); Rect rectangle = new Rect(0, 0, width, height); if(textAlignment == TextAlignment.Center) { rectangle.X -= width / 2; } else if(textAlignment == TextAlignment.Right) { rectangle.X -= width; } Rect rotatedRectangle = rotateTransform.TransformBounds(rectangle); TranslateTransform translateTransfor2 = new TranslateTransform(originPoint.X, originPoint.Y); if(horizontalAlignment == TextAlignment.Left) { translateTransfor2.X += rotatedRectangle.Width / 2; } else if(horizontalAlignment == TextAlignment.Right) { translateTransfor2.X -= rotatedRectangle.Width / 2; } if(verticalAlignment == VerticalAlignment.Top) { translateTransfor2.Y += rotatedRectangle.Height / 2; } else if(verticalAlignment == VerticalAlignment.Bottom) { translateTransfor2.Y -= rotatedRectangle.Height / 2; } drawingContext.PushTransform(translateTransfor2); drawingContext.PushTransform(rotateTransform); drawingContext.PushTransform(translateTransform1); drawingContext.DrawText(formattedText, new Point(0, 0)); drawingContext.Pop(); drawingContext.Pop(); drawingContext.Pop(); } #endregion #region 다각형 그리기 - DrawPolygon(drawingContext, brush, pen, pointArray, fillRule) /// <summary> /// 다각형 그리기 /// </summary> /// <param name="drawingContext">그리기 컨텍스트</param> /// <param name="brush">브러시</param> /// <param name="pen">펜</param> /// <param name="pointArray">포인트 배열</param> /// <param name="fillRule">채우기 규칙</param> public static void DrawPolygon(this DrawingContext drawingContext, Brush brush, Pen pen, Point[] pointArray, FillRule fillRule) { drawingContext.DrawPolygonOrPolyline(brush, pen, pointArray, fillRule, true); } #endregion #region 다각선 그리기 - DrawPolyline(drawingContext, brush, pen, pointArray, fillRule) /// <summary> /// 다각선 그리기 /// </summary> /// <param name="drawingContext">그리기 컨텍스트</param> /// <param name="brush">브러시</param> /// <param name="pen">펜</param> /// <param name="pointArray">포인트 배열</param> /// <param name="fillRule">채우기 규칙</param> public static void DrawPolyline(this DrawingContext drawingContext, Brush brush, Pen pen, Point[] pointArray, FillRule fillRule) { drawingContext.DrawPolygonOrPolyline(brush, pen, pointArray, fillRule, false); } #endregion //////////////////////////////////////////////////////////////////////////////// Private #region 다각형 또는 다각선 그리기 - DrawPolygonOrPolyline(drawingContext, brush, pen, pointArray, fillRule, drawPolygon) /// <summary> /// 다각형 또는 다각선 그리기 /// </summary> /// <param name="drawingContext">그리기 컨텍스트</param> /// <param name="brush">브러시</param> /// <param name="pen">펜</param> /// <param name="pointArray">포인트 배열</param> /// <param name="fillRule">채우기 규칙</param> /// <param name="drawPolygon">다각형 그리기 여부</param> private static void DrawPolygonOrPolyline(this DrawingContext drawingContext, Brush brush, Pen pen, Point[] pointArray, FillRule fillRule, bool drawPolygon) { StreamGeometry streamGeometry = new StreamGeometry(); streamGeometry.FillRule = fillRule; using(StreamGeometryContext context = streamGeometry.Open()) { context.BeginFigure(pointArray[0], true, drawPolygon); context.PolyLineTo(pointArray.Skip(1).ToArray(), true, false); } drawingContext.DrawGeometry(brush, pen, streamGeometry); } #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" Width="800" Height="600" Title="폰트 메트릭 구하기" Background="Transparent"> <Grid Name="mainGrid"> </Grid> </Window> |
▶ MainWindow.xaml.cs
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using System.Windows; using System.Windows.Media; using System.Globalization; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 렌더링시 처리하기 - OnRender(drawingContext) /// <summary> /// 렌더링시 처리하기 /// </summary> /// <param name="drawingContext">그리기 컨텍스트</param> protected override void OnRender(DrawingContext drawingContext) { Rect backgroundRectangle = new Rect(0, 0, ActualWidth, ActualHeight); drawingContext.DrawRectangle(Brushes.White, null, backgroundRectangle); double emSize = 200; FontFamily fontFamily = new FontFamily("Times New Roman"); Typeface typeface = new Typeface("Times New Roman Bold"); FormattedText formattedText = new FormattedText ( "MgfSj", new CultureInfo("en-us"), FlowDirection.LeftToRight, typeface, emSize, Brushes.Black ); Point originPoint = new Point(100, 20); drawingContext.DrawText(formattedText, originPoint); drawingContext.DrawEllipse(Brushes.Yellow, new Pen(Brushes.Black, 1), originPoint, 4, 4); double topY; double baselineY; double capsY; double lowercaseY; double descentY; double bottomY; double originX; double startX; double endX; double rightX; GetTextMetrics ( originPoint.X, originPoint.Y, formattedText, typeface, emSize, out topY, out baselineY, out capsY, out lowercaseY, out descentY, out bottomY, out originX, out startX, out endX, out rightX ); const string FONT_NAME = "Times New Roman Bold"; emSize = 14; Pen horizontalLinePen = new Pen(Brushes.Red, 1); horizontalLinePen.DashStyle = new DashStyle(new double[] { 5, 5 }, 0); double minimumX = 10; double maximumX = this.mainGrid.ActualWidth - 10; double[] yValueArray = { topY, capsY, lowercaseY, baselineY, descentY, bottomY }; string[] yLabelArray = { "y top", "y caps", "y lowercase", "y baseline", "y descent", "" }; const double GAP = 3; for(int i = 0; i < yValueArray.Length; i++) { drawingContext.DrawLine ( horizontalLinePen, new Point(minimumX, yValueArray[i]), new Point(maximumX, yValueArray[i]) ); drawingContext.DrawString ( yLabelArray[i], FONT_NAME, emSize, Brushes.Black, new Point(minimumX, yValueArray[i] - GAP), TestProject.VerticalAlignment.Bottom, TextAlignment.Left ); } DrawText ( drawingContext, typeface, TextAlignment.Left, TestProject.VerticalAlignment.Top, 14, Brushes.Black, "y bottom", minimumX, bottomY ); Pen verticalLinePen = new Pen(Brushes.Green, 1); verticalLinePen.DashStyle = new DashStyle(new double[] { 5, 5 }, 0); double minimumY = 10; double maximumY = mainGrid.ActualHeight - 10; double[] xValueArray = { originX, startX, endX, rightX }; foreach(double xValue in xValueArray) { drawingContext.DrawLine ( verticalLinePen, new Point(xValue, minimumY), new Point(xValue, maximumY) ); } drawingContext.DrawString ( "x origin", -90, FONT_NAME, emSize, Brushes.Black, new Point(originX - GAP, maximumY), TextAlignment.Left, TestProject.VerticalAlignment.Bottom, TextAlignment.Right ); drawingContext.DrawString ( "x start", -90, FONT_NAME, emSize, Brushes.Black, new Point(startX, maximumY), TextAlignment.Left, TestProject.VerticalAlignment.Bottom, TextAlignment.Left ); drawingContext.DrawString ( "x end", -90, FONT_NAME, emSize, Brushes.Black, new Point(endX - GAP, maximumY), TextAlignment.Left, TestProject.VerticalAlignment.Bottom, TextAlignment.Right ); drawingContext.DrawString ( "x right", -90, FONT_NAME, emSize, Brushes.Black, new Point(rightX, maximumY), TextAlignment.Left, TestProject.VerticalAlignment.Bottom, TextAlignment.Left ); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private #region 텍스트 메트릭 구하기 - GetTextMetrics(x, y, formattedText, typeface, emSize, topY, baselineY, capsY, lowerCaseY, descentY, bottomY, originX, startX, endX, rightX) /// <summary> /// 텍스트 메트릭 구하기 /// </summary> /// <param name="x">X 좌표</param> /// <param name="y">Y 좌표</param> /// <param name="formattedText">포맷 텍스트</param> /// <param name="typeface">타입 페이스</param> /// <param name="emSize">EM 크기</param> /// <param name="topY">상단 Y</param> /// <param name="baselineY">베이스 라인 Y</param> /// <param name="capsY">캡스 Y</param> /// <param name="lowerCaseY">소문자 Y</param> /// <param name="descentY">문자 하강 Y</param> /// <param name="bottomY">하단 Y</param> /// <param name="originX">원점 X 좌표</param> /// <param name="startX">시작 X 좌표</param> /// <param name="endX">정려 X 좌표</param> /// <param name="rightX">오른쪽 X 좌표</param> private void GetTextMetrics ( double x, double y, FormattedText formattedText, Typeface typeface, double emSize, out double topY, out double baselineY, out double capsY, out double lowerCaseY, out double descentY, out double bottomY, out double originX, out double startX, out double endX, out double rightX ) { topY = y; bottomY = topY + formattedText.Height; baselineY = topY + formattedText.Baseline; capsY = baselineY - typeface.CapsHeight * emSize; lowerCaseY = baselineY - typeface.XHeight * emSize; descentY = bottomY + formattedText.OverhangAfter; originX = x; startX = originX + formattedText.OverhangLeading; rightX = originX + formattedText.Width; endX = rightX - formattedText.OverhangTrailing; } #endregion #region 텍스트 그리기 - DrawText(drawingContext, typeface, horizontalAlignment, verticalAlignment, emSize, brush, text, x, y) /// <summary> /// 텍스트 그리기 /// </summary> /// <param name="drawingContext">그리기 컨텍스트</param> /// <param name="typeface">타입 페이스</param> /// <param name="horizontalAlignment">수평 정렬</param> /// <param name="verticalAlignment">수직 정렬</param> /// <param name="emSize">EM 크기</param> /// <param name="brush">브러시</param> /// <param name="text">텍스트</param> /// <param name="x">X 좌표</param> /// <param name="y">Y 좌표</param> private void DrawText(DrawingContext drawingContext, Typeface typeface, TextAlignment horizontalAlignment, VerticalAlignment verticalAlignment, double emSize, Brush brush, string text, double x, double y) { FormattedText formattedText = new FormattedText ( text, CultureInfo.CurrentUICulture, FlowDirection.LeftToRight, typeface, emSize, brush ); formattedText.TextAlignment = horizontalAlignment; Point originPoint = new Point(x, y); if(verticalAlignment == TestProject.VerticalAlignment.Middle) { originPoint.Y -= formattedText.Height / 2; } else if(verticalAlignment == TestProject.VerticalAlignment.Bottom) { originPoint.Y -= formattedText.Height; } drawingContext.DrawText(formattedText, originPoint); } #endregion } } |
