Mega Code Archive

 

Categories / C# / 2D Graphics

 

Scale subsequent operations by 3x horizontally and 2x vertically

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(5, 13);       this.ClientSize = new System.Drawing.Size(292, 273);       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);       g.DrawRectangle(Pens.Black, 10, 10, 50, 50);       g.DrawEllipse(Pens.Black, 10, 10, 20, 20);       // Now apply the scaling transformation       // This will scale subsequent operations by 3x horizontally       // and 2x vertically       g.ScaleTransform(3.0f, 2.0f);       // Now draw the same rectangle and circle,        // but with the scaling transformation        g.DrawRectangle(Pens.Black, 10, 10, 50, 50);       g.DrawEllipse(Pens.Black, 10, 10, 20, 20);     }     private void Form1_Resize(object sender, System.EventArgs e)     {       Invalidate();     }   }