using System;
using System.Drawing;
using System.Windows.Forms;
   
class ImageScaleToRectangle: Form
{
     Image image = Image.FromFile("Color.jpg");
   
     public static void Main()
     {
          Application.Run(new ImageScaleToRectangle());
     }
     public ImageScaleToRectangle()
     {
          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)
     {
          grfx.DrawImage(image, 0, 0, cx, cy);
     }
}

   
     

   
  

using System;
using System.Drawing;
using System.Windows.Forms;
   
class ImageScaleIsotropic: Form
{
     Image image = Image.FromFile("Color.jpg");
   
     public static void Main()
     {
          Application.Run(new ImageScaleIsotropic());
     }
     public ImageScaleIsotropic()
     {
          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)
     {
          Rectangle rect = new Rectangle(0, 0, cx, cy);
     
          SizeF sizef = new SizeF(image.Width / image.HorizontalResolution,
                                  image.Height / image.VerticalResolution);
   
          float fScale = Math.Min(rect.Width  / sizef.Width,
                                  rect.Height / sizef.Height);
   
          sizef.Width  *= fScale;
          sizef.Height *= fScale;
          
          grfx.DrawImage(image, rect.X + (rect.Width  - sizef.Width ) / 2,
                                rect.Y + (rect.Height - sizef.Height) / 2,
                                sizef.Width, sizef.Height);
     }
}

   
     

   
  

using System;
using System.Drawing;
using System.Windows.Forms;
   
class ImageReflection: Form
{
     Image image = Image.FromFile("Color.jpg");
   
     public static void Main()
     {
          Application.Run(new ImageReflection());
     }
     public ImageReflection()
     {
          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)
     {
          int cxImage = image.Width;
          int cyImage = image.Height;
   
          grfx.DrawImage(image, cx / 2, cy / 2,  cxImage,  cyImage);
          grfx.DrawImage(image, cx / 2, cy / 2, -cxImage,  cyImage);
          grfx.DrawImage(image, cx / 2, cy / 2,  cxImage, -cyImage);
          grfx.DrawImage(image, cx / 2, cy / 2, -cxImage, -cyImage);
     }
}

   
     

   
  

using System;
using System.Drawing;
using System.Windows.Forms;
   
class ImageAtPoints: Form
{
     Image image = Image.FromFile("Color.jpg");
   
     public static void Main()
     {
          Application.Run(new ImageAtPoints());
     }
     public ImageAtPoints()
     {
          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)
     {
          grfx.DrawImage(image, new Point[] { new Point(cx / 2, 0),
                                              new Point(cx,     cy / 2),
                                              new Point(0,      cy / 2)});
               
        
     }
}

   
     

   
  


using System;
using System.Drawing;
using System.Windows.Forms;
   
class PartialImage: Form
{
     Image image = Image.FromFile("Color.jpg");
   
     public static void Main()
     {
          Application.Run(new PartialImage());
     }
     public PartialImage()
     {
          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)
     {
          Rectangle rect = new Rectangle(95, 5, 50, 55);
   
          grfx.DrawImage(image, 0, 0, rect, GraphicsUnit.Pixel);
     }
}

   
     

   
  

using System;
using System.Drawing;
using System.Windows.Forms;
   
class PartialImageStretch: Form
{
     Image image = Image.FromFile("Color.jpg");
   
     public static void Main()
     {
          Application.Run(new PartialImageStretch());
     }
     public PartialImageStretch()
     {
          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)
     {
          Rectangle rectSrc = new Rectangle(95, 5, 50, 55);
          Rectangle rectDst = new Rectangle( 0, 0, cx, cy);
   
          grfx.DrawImage(image, rectDst, rectSrc, GraphicsUnit.Pixel);
     }
}

   
     

   
  

using System;
using System.Drawing;
using System.Windows.Forms;
   
class PartialImageRotate: Form
{
     Image image = Image.FromFile("Color.jpg");
   
     public static void Main()
     {
          Application.Run(new PartialImageRotate());
     }
     public PartialImageRotate()
     {
          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)
     {
          Point[] aptDst = { new Point(0, cy / 2),
                             new Point(cx / 2, 0),
                             new Point(cx / 2, cy) };
   
          Rectangle rectSrc = new Rectangle(95, 5, 50, 55);
          
          grfx.DrawImage(image, aptDst, rectSrc, GraphicsUnit.Pixel);
     }
}