Csharp/CSharp Tutorial/2D/Draw String

A rectangle with some text

<source lang="csharp">using System; using System.Drawing; using System.Drawing.Drawing2D; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class RectangleWithText : System.Windows.Forms.Form {

 private System.ruponentModel.Container components = null;
 public RectangleWithText()
 {
   InitializeComponent();
   SetStyle(ControlStyles.ResizeRedraw, true);
 }
 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(292, 273);
   this.Paint += new System.Windows.Forms.PaintEventHandler(this.RectangleWithText_Paint);
 }
 [STAThread]
 static void Main() 
 {
   Application.Run(new RectangleWithText());
 }
 private void RectangleWithText_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
 {
   Graphics g = e.Graphics;
   Rectangle r = new Rectangle(150, 10, 130, 60);
   g.DrawRectangle(Pens.Blue, r);
   g.DrawString("www.nfex.ru", new Font("Arial", 12), Brushes.Black, r);
 
 }

}</source>

Draw string along a circle

<source lang="csharp">using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class DrawStringAlignACircle : System.Windows.Forms.Form {

 private System.ruponentModel.Container components = null;
 public DrawStringAlignACircle()
 {
   InitializeComponent();
   BackColor = SystemColors.Window;
   ForeColor = SystemColors.WindowText;
 }
 protected override void OnPaint ( PaintEventArgs e )
 {
   Graphics g = e.Graphics;
   SetScale(g);
   DrawFace(g);
   base.OnPaint(e);
 }
 private void InitializeComponent()
 {
   this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
   this.ClientSize = new System.Drawing.Size(292, 266);
 }
 [STAThread]
 static void Main() 
 {
   Application.Run(new DrawStringAlignACircle());
 }
 private void SetScale(Graphics g)
 {
   g.TranslateTransform(Width/2, Height/2);
   float inches = Math.Min(Width / g.DpiX, Height / g.DpiX);
   g.ScaleTransform(inches * g.DpiX / 2000, inches * g.DpiY / 2000);
 }
 private void DrawFace(Graphics g)
 {
   Brush brush = new SolidBrush(ForeColor);
   Font font = new Font("Arial", 40);
 
   float x, y;
   const int numHours = 12;
   const int deg = 360 / numHours;
   const int FaceRadius = 450;
   
   for (int i = 1; i <= numHours; i++)
   {
     x = GetCos(i*deg + 90) * FaceRadius;
     y = GetSin(i*deg + 90) * FaceRadius;
     StringFormat format = new StringFormat();
     format.Alignment = StringAlignment.Center;
     format.LineAlignment = StringAlignment.Center;
     g.DrawString( i.ToString(), font, brush, -x, -y,format);
   
   }
   brush.Dispose();
   font.Dispose();
 }  
 private static float GetSin(float degAngle)
 {
   return (float) Math.Sin(Math.PI * degAngle / 180f);
 }
 private static float GetCos(float degAngle)
 {
   return (float) Math.Cos(Math.PI * degAngle / 180f);
 }

}</source>

Draw string along a circle 2

<source lang="csharp">using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class DrawStringAlignACircle : System.Windows.Forms.Form {

 public DrawStringAlignACircle()
 {
   InitializeComponent();
   BackColor = SystemColors.Window;
   ForeColor = SystemColors.WindowText;
 }
 protected override void OnPaint ( PaintEventArgs e )
 {
   Graphics g = e.Graphics;
   SetScale(g);
   DrawFace(g);
   base.OnPaint(e);
 }
 private void InitializeComponent()
 {
   this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
   this.ClientSize = new System.Drawing.Size(292, 266);
 }
 [STAThread]
 static void Main() 
 {
   Application.Run(new DrawStringAlignACircle());
 }
 private void SetScale(Graphics g)
 {
   g.TranslateTransform(Width/2, Height/2);
   float inches = Math.Min(Width / g.DpiX, Height / g.DpiX);
   g.ScaleTransform(inches * g.DpiX / 2000, inches * g.DpiY / 2000);
 }
 private void DrawFace(Graphics g)
 {
   Brush brush = new SolidBrush(ForeColor);
   Font font = new Font("Arial", 40);
 
   float x, y;
   const int numHours = 12;
   const int deg = 360 / numHours;
   const int FaceRadius = 450;
   
   for (int i = 1; i <= numHours; i++)
   {
     SizeF stringSize = 
       g.MeasureString(i.ToString(),font);
       
     x = GetCos(i*deg + 90) * FaceRadius;
     x += stringSize.Width / 2;
     y = GetSin(i*deg + 90) * FaceRadius;
     y += stringSize.Height / 2;
     g.DrawString(i.ToString(), font, brush, -x, -y);
   
   }
   brush.Dispose();
   font.Dispose();
 }  
 private static float GetSin(float degAngle)
 {
   return (float) Math.Sin(Math.PI * degAngle / 180f);
 }
 private static float GetCos(float degAngle)
 {
   return (float) Math.Cos(Math.PI * degAngle / 180f);
 }

}</source>

Draw string with HatchStyle

<source lang="csharp">using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.Drawing.Drawing2D; public class MainForm : Form {

   public MainForm() {
       CenterToScreen();
       InitializeComponent();
   }
   protected void OnPaint(PaintEventArgs e) {
       Graphics g = e.Graphics;
       int yOffSet = 10;
       Array obj = Enum.GetValues(typeof(HatchStyle));
       for (int x = 0; x < 5; x++) {
           HatchStyle temp = (HatchStyle)obj.GetValue(x);
           HatchBrush theBrush = new HatchBrush(temp, Color.White, Color.Black);
           g.DrawString(temp.ToString(), new Font("Times New Roman", 10),
                        Brushes.Black, 0, yOffSet);
           g.FillEllipse(theBrush, 150, yOffSet, 200, 25);
           yOffSet += 40;
       }
   }

}</source>