利用GDI+提供的一系列转换类转换图元

利用GDI+提供的一系列转换类转换图元

 

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

namespace 图元变换
...{
    /**//// <summary>
    /// Form1 的摘要说明。
    /// </summary>
    public class Form1 : System.Windows.Forms.Form
    ...{

         private   void  Button1_Click( object  sender,EventArgs e)
         ... {
            //左移
            g = pictureBox1.CreateGraphics();
            g.Clear(Color.White);
            g.TranslateTransform(-50, 0);
            Draw(g);
        }


         private   void  pictureBox1_Paint( object  sender, System.Windows.Forms.PaintEventArgs e)
         ... {
            //g = pictureBox1.CreateGraphics();
            Draw(e.Graphics);
        }

         private   void  Draw(Graphics g)
         ... {
            //绘图
            g.DrawLine(Pens.Black, 10, 10, 100, 100);
            g.DrawEllipse(Pens.Black, 50, 50, 200, 100);
            g.DrawArc(Pens.Black, 100, 10, 100, 100, 20, 160);
            g.FillRectangle(Brushes.Green, 50, 200, 150, 100);
        }

         private   void  Button3_Click( object  sender, EventArgs e)
         ... {
            //右移
            Graphics g= pictureBox1.CreateGraphics();
            g.Clear(Color.White);
            g.TranslateTransform(50, 0);
            Draw(g);
        }

         private   void  Button2_Click_1( object  sender, System.EventArgs e)
         ... {
            //旋转
            g = pictureBox1.CreateGraphics();
            g.Clear(Color.White);
            g.RotateTransform(-30);
            Draw(g);
        }

         private   void  Button4_Click_1( object  sender, System.EventArgs e)
         ... {
            //放大
            g = pictureBox1.CreateGraphics();
            g.Clear(Color.White);
            g.ScaleTransform(1.5f, 1.5f);
            Draw(g);
        }

         private   void  Button5_Click_1( object  sender, System.EventArgs e)
         ... {
            //缩小
            g = pictureBox1.CreateGraphics();
            g.Clear(Color.White);
            g.ScaleTransform(0.8f, 0.8f);
            Draw(g);
        }

         private   void  Button6_Click_1( object  sender, System.EventArgs e)
         ... {
            //取消运行
            this.Dispose();
        }

    }
}

 

长度受限，只能片断