Calculate font unit metrics from the font family : Font Unit Metrics « 2D Graphics « C# / C Sharp

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C# / C Sharp » 2D Graphics » Font Unit MetricsScreenshots 
Calculate font unit metrics from the font family
Calculate font unit metrics from the font family



  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ComponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;

  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(513);
      this.ClientSize = new System.Drawing.Size(292273);
      this.Text = "";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);

    }
    static void Main() 
    {
      Application.Run(new Form1());
    }

    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      g.FillRectangle(Brushes.White, this.ClientRectangle);

      FontFamily ff = new FontFamily("Times New Roman");

      float emSizeInGU = 24f;
      Font f = new Font(ff, emSizeInGU);

      // Get the design unit metrics from the font family
      int emSizeInDU = ff.GetEmHeight(FontStyle.Regular);
      int ascentInDU = ff.GetCellAscent(FontStyle.Regular);
      int descentInDU = ff.GetCellDescent(FontStyle.Regular);
      int lineSpacingInDU = ff.GetLineSpacing(FontStyle.Regular);

      // Calculate the GraphicsUnit metrics from the font
      float ascentInGU = ascentInDU * (emSizeInGU / emSizeInDU);
      float descentInGU = descentInDU * (emSizeInGU / emSizeInDU);
      float lineSpacingInGU = lineSpacingInDU * (emSizeInGU / emSizeInDU);

      // Output the metrics to the console
      Console.WriteLine("emSize = " + emSizeInDU + " DesignUnits");
      Console.WriteLine("emSize = " + emSizeInGU + " GraphicsUnits");
      string format = "{0,-16}{1,12}{2,16}";
      Console.WriteLine(format, "Font Metric""DesignUnits""GraphicsUnits");
      Console.WriteLine(format, "Ascent", ascentInDU, ascentInGU);
      Console.WriteLine(format, "Descent", descentInDU, descentInGU);
      Console.WriteLine(format, "Line Spacing", lineSpacingInDU, lineSpacingInGU);

      // Draw two lines of the text string
      PointF textOrigin = new PointF(2020);
      PointF nextLineOrigin = new PointF(textOrigin.X,
                         textOrigin.Y + f.Height);

      g.DrawString("WWW.JAVA2S.COM", f, Brushes.Black, textOrigin);
      g.DrawString("www.java2java.com", f, Brushes.Black, nextLineOrigin);


    }

    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }

           
       
Related examples in the same category
1.Get font cell ascent, descent, LineSpacing and EmHeightGet font cell ascent, descent, LineSpacing and EmHeight
2.Calculate GraphicsUnit metrics from the fontCalculate GraphicsUnit metrics from the font
3.Draw a line for the ascent, descent, baseline, textOriginDraw a line for the ascent, descent, baseline, textOrigin
4.Derive surrounding Rectangle from StringDerive surrounding Rectangle from String
5.Measure Font height and draw surrounding RectangleMeasure Font height and draw surrounding Rectangle
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