Csharp/CSharp Tutorial/2D

• BMP
• Clip
• Clock
• Color
• Coordinate
• Draw Image
• Draw Rectangle
• Draw String
• Ellipse
• Gif
• Gradient Brush
• Graphics
• GraphicsUnit
• HatchBrush
• Hotkey
• Ico
• Image
• ImageCodecInfo
• JPG
• Line
• LinearGradientBrush
• Measure String
• Mouse Draw
• Path
• Pens
• Pie
• Point
• Rectangle
• Region
• SmoothingMode
• SolidBrush
• Texture Brush
• Tif

All in the font family: Ascent, Descent, Line spacing, Height

using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
  
public class FontFamilyAscentDescentLineHeight : System.Windows.Forms.Form
{
  private System.ruponentModel.Container components = null;
  public FontFamilyAscentDescentLineHeight()
  {
    InitializeComponent();
  }
  protected override void Dispose( bool disposing )
  {
    if( disposing )
    {
      if (components != null) 
      {
        components.Dispose();
      }
    }
    base.Dispose( disposing );
  }
  private void InitializeComponent()
  {
    this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
    this.ClientSize = new System.Drawing.Size(392, 237);
    this.Paint += new System.Windows.Forms.PaintEventHandler(this.OnPaint);
  }
  [STAThread]
  static void Main() 
  {
    Application.Run(new FontFamilyAscentDescentLineHeight());
  }
  protected void OnPaint (object sender, System.Windows.Forms.PaintEventArgs e)
  {
    Graphics g = e.Graphics;
    FontFamily myFamily = new FontFamily("Verdana");
    Font myFont = new Font(myFamily, 12);
    
    int y = 0;
    int fontHeight = myFont.Height;
    this.Text = "Measurements are in GraphicsUnit." + myFont.Unit.ToString();
    g.DrawString("The Verdana family.", myFont, Brushes.Blue, 10, y);
    Console.WriteLine("Ascent for bold Verdana: " + myFamily.GetCellAscent(FontStyle.Bold));
    Console.WriteLine("Descent for bold Verdana: " + myFamily.GetCellDescent(FontStyle.Bold));
    Console.WriteLine("Line spacing for bold Verdana: " + myFamily.GetLineSpacing(FontStyle.Bold));
    Console.WriteLine("Height for bold Verdana: " + myFamily.GetEmHeight(FontStyle.Bold));
  }
}

Draw centered text

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Windows.Forms;

  class Form1 : Form
  {
    public Form1()
    {
      SetStyle(ControlStyles.Opaque, true);
      Bounds = new Rectangle(0, 0, 500, 300);
    }
    protected override void OnPaint(PaintEventArgs e)
    {
      Graphics g = e.Graphics;
      int y = 0;
      g.FillRectangle(Brushes.White, ClientRectangle);
      // draw multiline text
      Font trFont = new Font("Times New Roman", 12);
      Rectangle rect = new Rectangle(0, y, 400, trFont.Height * 3);
      g.DrawRectangle(Pens.Blue, rect);
      String longString = "this is a test. ";
      longString += "this is a test. this is a test. this is a test. this is a test. ";
      longString += "this is a test. this is a test. this is a test. this is a test. ";
      longString += "this is a test. this is a test. this is a test. this is a test. ";
      g.DrawString(longString, trFont, Brushes.Black, rect);
      trFont.Dispose();
    }
  
    [STAThread]
    static void Main()
    {
      Application.EnableVisualStyles();
      Application.Run(new Form1());
    }
  }

Draw Font Families

using System;
using System.Drawing;
using System.Windows.Forms;
public class DrawFontFamilies : Form
{
  public DrawFontFamilies()
  {
    Size = new Size(350,200);
  }
  protected override void OnPaint(PaintEventArgs e)
  {
    base.OnPaint(e);
    float x= 10;
    float y= 10;
    Font fnt;
    Graphics g = e.Graphics;
    FontFamily[] ffArray = FontFamily.Families;
    foreach( FontFamily ff in ffArray )
    {
      if (ff.IsStyleAvailable(FontStyle.Regular))
      {
        fnt = new Font(ff, 10);
        g.DrawString(ff.Name, fnt, Brushes.Black, x, y);
        Brush b = new SolidBrush(ForeColor);
        g.DrawString(ff.Name, fnt, b, x, y);
        y += fnt.GetHeight();
      }
    }
  }
  static void Main() 
  {
    Application.Run(new DrawFontFamilies());
  }
}

Draw Font Families Formatted

using System;
using System.Drawing;
using System.Windows.Forms;
public class DrawFontFamiliesFormatted : Form
{
  public DrawFontFamiliesFormatted()
  {
    ResizeRedraw = true;
  }
  protected override void OnPaint(PaintEventArgs e)
  {
    base.OnPaint(e);
    float y= 10;
    Font fnt;
    Graphics g = e.Graphics;
    StringFormat fmt = new StringFormat();
    fmt.Alignment = StringAlignment.Center;
    FontFamily[] ffArray = FontFamily.Families;
    foreach( FontFamily ff in ffArray )
    {
      if (ff.IsStyleAvailable(FontStyle.Regular))
      {
        fnt = new Font(ff, 10);
        Brush b = new SolidBrush(ForeColor);
        g.DrawString(ff.Name, fnt, b, ClientSize.Width / 2, (int)y, fmt);
        y += fnt.GetHeight();
      }
    }
  }
  static void Main() 
  {
    Application.Run(new DrawFontFamiliesFormatted());
  }
}

Draw left justified text based on font size

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Windows.Forms;

  class Form1 : Form
  {
    public Form1()
    {
      SetStyle(ControlStyles.Opaque, true);
      Bounds = new Rectangle(0, 0, 500, 300);
    }
    protected override void OnPaint(PaintEventArgs e)
    {
      Graphics g = e.Graphics;
      int y = 0;
      g.FillRectangle(Brushes.White, ClientRectangle);
      // draw left justified text
      Rectangle rect = new Rectangle(0, y, 400, Font.Height);
      g.DrawRectangle(Pens.Blue, rect);
      g.DrawString("This text is left justified.", Font,Brushes.Black, rect);
      y += Font.Height + 20;
    }
  
    [STAThread]
    static void Main()
    {
      Application.EnableVisualStyles();
      Application.Run(new Form1());
    }
  }

Draw right justified text based on font size

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Windows.Forms;

  class Form1 : Form
  {
    public Form1()
    {
      SetStyle(ControlStyles.Opaque, true);
      Bounds = new Rectangle(0, 0, 500, 300);
    }
    protected override void OnPaint(PaintEventArgs e)
    {
      Graphics g = e.Graphics;
      int y = 0;
      g.FillRectangle(Brushes.White, ClientRectangle);
      Font aFont = new Font("Arial", 16, FontStyle.Bold | FontStyle.Italic);
      Rectangle rect = new Rectangle(0, y, 400, aFont.Height);
      g.DrawRectangle(Pens.Blue, rect);
      StringFormat sf = new StringFormat();
      sf.Alignment = StringAlignment.Far;
      g.DrawString("This text is right justified.", aFont, Brushes.Blue,rect, sf);
      y += aFont.Height + 20;
      aFont.Dispose();
    }
  
    [STAThread]
    static void Main()
    {
      Application.EnableVisualStyles();
      Application.Run(new Form1());
    }
  }

FontStyle.Bold

using System;
using System.Drawing;
using System.Windows.Forms;
   
class FontNames: Form
{
     public static void Main()
     {
          Application.Run(new FontNames());
     }
     public FontNames()
     {
          Text = "Font Names";
          ResizeRedraw = true; 
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height);
     }     
     protected void DoPage(Graphics grfx, Color clr, int cx, int cy)
     {    
          string[]    astrFonts = { "Courier New", "Arial", 
                                    "Times New Roman" };
          FontStyle[] afs       = { FontStyle.Bold, 
                                    FontStyle.Bold | FontStyle.Italic };
          Brush       brush     = new SolidBrush(clr);
          float       y         = 0;
   
          foreach (string strFont in astrFonts)
          {
               foreach (FontStyle fs in afs)
               {
                    Font font = new Font(strFont, 18, fs);
                    grfx.DrawString(strFont, font, brush, 0, y);
                    y += font.GetHeight(grfx);
               }
          }
     }
}

FontStyle.Italic

using System;
using System.Drawing;
using System.Windows.Forms;
   
class FontNames: Form
{
     public static void Main()
     {
          Application.Run(new FontNames());
     }
     public FontNames()
     {
          Text = "Font Names";
          ResizeRedraw = true; 
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height);
     }     
     protected void DoPage(Graphics grfx, Color clr, int cx, int cy)
     {    
          string[]    astrFonts = { "Courier New", "Arial", 
                                    "Times New Roman" };
          FontStyle[] afs       = { FontStyle.Italic,  
                                    FontStyle.Bold | FontStyle.Italic };
          Brush       brush     = new SolidBrush(clr);
          float       y         = 0;
   
          foreach (string strFont in astrFonts)
          {
               foreach (FontStyle fs in afs)
               {
                    Font font = new Font(strFont, 18, fs);
                    grfx.DrawString(strFont, font, brush, 0, y);
                    y += font.GetHeight(grfx);
               }
          }
     }
}

FontStyle.Regular

using System;
using System.Drawing;
using System.Windows.Forms;
   
class FontNames: Form
{
     public static void Main()
     {
          Application.Run(new FontNames());
     }
     public FontNames()
     {
          Text = "Font Names";
          ResizeRedraw = true; 
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height);
     }     
     protected void DoPage(Graphics grfx, Color clr, int cx, int cy)
     {    
          string[]    astrFonts = { "Courier New", "Arial", 
                                    "Times New Roman" };
          FontStyle[] afs       = { FontStyle.Regular, 
                                    FontStyle.Bold | FontStyle.Italic };
          Brush       brush     = new SolidBrush(clr);
          float       y         = 0;
   
          foreach (string strFont in astrFonts)
          {
               foreach (FontStyle fs in afs)
               {
                    Font font = new Font(strFont, 18, fs);
                    grfx.DrawString(strFont, font, brush, 0, y);
                    y += font.GetHeight(grfx);
               }
          }
     }
}

Get Font Height

using System;
using System.Drawing;
using System.Windows.Forms;
   
class TwentyFourPointScreenFonts: Form
{
     public static void Main()
     {
          Application.Run(new TwentyFourPointScreenFonts());
     }
     public TwentyFourPointScreenFonts()
     {
          ResizeRedraw = true; 
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height);
     }     
     protected void DoPage(Graphics grfx, Color clr, int cx, int cy)
     {
          Brush  brush     = new SolidBrush(clr);
          float  y         = 0;
          Font   font;
          string strFamily = "Times New Roman";
   
          font = new Font(strFamily, 24);
          grfx.DrawString("No GraphicsUnit, 24 points", font, brush, 0, y);
          y += font.GetHeight(grfx);
   
          font = new Font(strFamily, 24, GraphicsUnit.Point);
          grfx.DrawString("GraphicsUnit.Point, 24 units", font, brush, 0, y);

     }
}