■ 폰트 메트릭(Font Metrics)을 구하는 방법을 보여준다.
▶ FontHelper.cs
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using System; using System.Drawing; namespace TestProject { /// <summary> /// 폰트 헬퍼 /// </summary> public class FontHelper { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region EM 높이 (단위 : 픽셀) - EMHeight /// <summary> /// EM 높이 (단위 : 픽셀) /// </summary> public float EMHeight { get; protected set; } #endregion #region ASCENT (단위 : 픽셀) - Ascent /// <summary> /// ASCENT (단위 : 픽셀) /// </summary> public float Ascent { get; protected set; } #endregion #region DESCENT (단위 : 픽셀) - Descent /// <summary> /// DESCENT (단위 : 픽셀) /// </summary> public float Descent { get; protected set; } #endregion #region CELL 높이 (단위 : 픽셀) - CellHeight /// <summary> /// CELL 높이 (단위 : 픽셀) /// </summary> public float CellHeight { get; protected set; } #endregion #region INTERNAL LEADING (단위 : 픽셀) - InternalLeading /// <summary> /// INTERNAL LEADING (단위 : 픽셀) /// </summary> public float InternalLeading { get; protected set; } #endregion #region 줄 간격 (단위 : 픽셀) - LineSpacing /// <summary> /// 줄 간격 (단위 : 픽셀) /// </summary> public float LineSpacing { get; protected set; } #endregion #region EXTERNAL LEADING (단위 : 픽셀) - ExternalLeading /// <summary> /// EXTERNAL LEADING (단위 : 픽셀) /// </summary> public float ExternalLeading { get; protected set; } #endregion #region 폰트 위쪽 (단위 : 픽셀) - FontTop /// <summary> /// 폰트 위쪽 (단위 : 픽셀) /// </summary> public float FontTop { get; protected set; } #endregion #region 기준선 (단위 : 픽셀) - Baseline /// <summary> /// 기준선 (단위 : 픽셀) /// </summary> public float Baseline { get; protected set; } #endregion #region 폰트 아래쪽 (단위 : 픽셀) - FontBottom /// <summary> /// 폰트 아래쪽 (단위 : 픽셀) /// </summary> public float FontBottom { get; protected set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - FontHelper(graphics, font) /// <summary> /// 생성자 /// </summary> /// <param name="graphics">그래픽스</param> /// <param name="font">폰트</param> public FontHelper(Graphics graphics, Font font) { float emHeightValue = font.FontFamily.GetEmHeight(font.Style); EMHeight = ConvertValue(graphics, font.Size, font.Unit, GraphicsUnit.Pixel); float designToPixelCount = EMHeight / emHeightValue; Ascent = designToPixelCount * font.FontFamily.GetCellAscent(font.Style); Descent = designToPixelCount * font.FontFamily.GetCellDescent(font.Style); CellHeight = Ascent + Descent; InternalLeading = CellHeight - EMHeight; LineSpacing = designToPixelCount * font.FontFamily.GetLineSpacing(font.Style); ExternalLeading = LineSpacing - CellHeight; FontTop = InternalLeading; Baseline = Ascent; FontBottom = CellHeight; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 값 변환하기 - ConvertValue(Graphics graphics, float value, GraphicsUnit fromGraphicsUnit, GraphicsUnit toGraphicsUnit) /// <summary> /// 값 변환하기 /// </summary> /// <param name="graphics">그래픽스</param> /// <param name="value">값</param> /// <param name="fromGraphicsUnit">FROM 그래픽스 단위</param> /// <param name="toGraphicsUnit">TO 그래픽스 단위</param> /// <returns>변환값</returns> private float ConvertValue(Graphics graphics, float value, GraphicsUnit fromGraphicsUnit, GraphicsUnit toGraphicsUnit) { if(fromGraphicsUnit == toGraphicsUnit) { return value; } switch(fromGraphicsUnit) { case GraphicsUnit.Document : value *= graphics.DpiX / 300; break; case GraphicsUnit.Inch : value *= graphics.DpiX; break; case GraphicsUnit.Millimeter : value *= graphics.DpiX / 25.4f; break; case GraphicsUnit.Pixel : break; case GraphicsUnit.Point : value *= graphics.DpiX / 72; break; default : throw new Exception("알 수 없는 FROM 그래픽스 단위 입니다 : " + fromGraphicsUnit.ToString()); } switch(toGraphicsUnit) { case GraphicsUnit.Document : value /= graphics.DpiX / 300; break; case GraphicsUnit.Inch : value /= graphics.DpiX; break; case GraphicsUnit.Millimeter : value /= graphics.DpiX / 25.4f; break; case GraphicsUnit.Pixel : break; case GraphicsUnit.Point : value /= graphics.DpiX / 72; break; default : throw new Exception("알 수 없는 TO 그래픽스 단위 입니다 : " + toGraphicsUnit.ToString()); } return value; } #endregion } } |
▶ MainForm.cs
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using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); ResizeRedraw = true; #region 이벤트를 설정한다. Paint += Form_Paint; #endregion } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 폼 페인트시 처리하기 - Form_Paint(sender, e) /// <summary> /// 폼 페인트시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Form_Paint(object sender, PaintEventArgs e) { e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit; string text = "iyIg"; RectangleF layoutRectangle = new RectangleF(0, 0, this.ClientSize.Width / 3, this.ClientSize.Height); using(StringFormat stringFormat = new StringFormat()) { stringFormat.LineAlignment = StringAlignment.Center; stringFormat.Alignment = StringAlignment.Center; using(Font font = new Font("Times New Roman", 80, FontStyle.Bold, GraphicsUnit.Pixel)) { MeasureText(e.Graphics, font, text, layoutRectangle, stringFormat); } layoutRectangle.X += this.ClientSize.Width / 3; using(Font the_font = new Font("Comic Sans MS", 80, FontStyle.Bold, GraphicsUnit.Pixel)) { MeasureText(e.Graphics, the_font, text, layoutRectangle, stringFormat); } layoutRectangle.X += this.ClientSize.Width / 3; using(Font the_font = new Font("Courier New", 80, FontStyle.Bold, GraphicsUnit.Pixel)) { MeasureText(e.Graphics, the_font, text, layoutRectangle, stringFormat); } } } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 텍스트 측정하기 - MeasureText(graphics, font, text, layoutRectangle , stringFormat) /// <summary> /// 텍스트 측정하기 /// </summary> /// <param name="graphics">그래픽스</param> /// <param name="font">폰트</param> /// <param name="text">텍스트</param> /// <param name="layoutRectangle">레이아웃 사각형</param> /// <param name="stringFormat">문자열 포맷</param> private void MeasureText(Graphics graphics, Font font, string text, RectangleF layoutRectangle , StringFormat stringFormat) { CharacterRange[] characterRangeArray = new CharacterRange[text.Length]; for(int i = 0; i < text.Length ; i++) { characterRangeArray[i] = new CharacterRange(i, 1); } stringFormat.SetMeasurableCharacterRanges(characterRangeArray); Region[] characterRegionArray = graphics.MeasureCharacterRanges(text, font, layoutRectangle, stringFormat); FontHelper fontHelper = new FontHelper(graphics, font); foreach(Region characterRegion in characterRegionArray) { RectangleF characterRectangle = characterRegion.GetBounds(graphics); Rectangle actualCharacterRectangle = Rectangle.Round(characterRectangle); graphics.FillRectangle(Brushes.Pink, actualCharacterRectangle); using(Pen pen = new Pen(Color.Black)) { pen.DashStyle = DashStyle.Custom; pen.DashPattern = new float[] { 3, 3 }; graphics.DrawLine ( pen, actualCharacterRectangle.X - 20, actualCharacterRectangle.Y, actualCharacterRectangle.Right, actualCharacterRectangle.Y ); } // INTERNAL LEADING을 그린다. graphics.DrawLine ( Pens.Red, actualCharacterRectangle.X - 3, actualCharacterRectangle.Y + fontHelper.FontTop, actualCharacterRectangle.Right + 3, actualCharacterRectangle.Y + fontHelper.FontTop ); // ASCENT를 그린다. graphics.DrawLine ( Pens.Green, actualCharacterRectangle.X - 3, actualCharacterRectangle.Y + fontHelper.Baseline, actualCharacterRectangle.Right + 3, actualCharacterRectangle.Y + fontHelper.Baseline ); // DESCENT를 그린다. graphics.DrawLine ( Pens.Blue, actualCharacterRectangle.X - 3, actualCharacterRectangle.Y + fontHelper.FontBottom, actualCharacterRectangle.Right + 3, actualCharacterRectangle.Y + fontHelper.FontBottom ); // 다음 라인을 그린다. using(Pen pen = new Pen(Color.Blue)) { pen.DashStyle = DashStyle.Custom; pen.DashPattern = new float[] { 1, 2, 3, 2 }; graphics.DrawLine ( pen, actualCharacterRectangle.X, actualCharacterRectangle.Y + fontHelper.LineSpacing, actualCharacterRectangle.Right + 30, actualCharacterRectangle.Y + fontHelper.LineSpacing ); } // EXTERNAL LEADING을 채운다. graphics.FillRectangle ( Brushes.Orange, actualCharacterRectangle.X, actualCharacterRectangle.Y + fontHelper.Ascent + fontHelper.Descent, actualCharacterRectangle.Width, fontHelper.ExternalLeading ); } // 텍스트를 그린다. graphics.DrawString(text, font, Brushes.Black, layoutRectangle, stringFormat); } #endregion } } |
