form1.cs

这是《C#图形程序设计》这本书的源代码

						else
						{
							p2.X=x2;p2.Y=y2;
							g.DrawLine(pen1,p1,p2);
							p1=p2;
						}
					}
				}
			for(cx1=100;cx1<=500;cx1=cx1+200)
				for(cy1=100;cy1<=300;cy1=cy1+150)
				{
					d1=d1+0.5;
					for(z1=-90;z1<=90;z1=z1+5)
					{
						x0=z1;
						a0=(z1+90)*2*PI/180;
						y0=-a*Math.Sin(a0)*Math.Sin(d1*a0);
						x3=(int)(cx1+x0);
						y3=(int)(cy1-y0);
						if(z1==-90)
						{
							p3.X=x3;p3.Y=y3;
						}
						else
						{
							p4.X=x3;p4.Y=y3;
							g.DrawLine(pen1,p3,p4);
							p3=p4;
						}
					}
				}
		}

		private void menuItem20_Click(object sender, System.EventArgs e)
		{
			Graphics g=pictureBox1.CreateGraphics();
			Pen pen1=new Pen(Color.Blue);
			g.Clear(pictureBox1.BackColor);
			int a,cx,cy,l,z,x2,y2,s;
			double d,x,y,al,temp;
			const double PI=3.14159;
			a=30;
			d=0.0;
			for(cx=100;cx<=600;cx+=200)
				for(cy=100;cy<=300;cy+=200)
				{
					d=d+0.5;
					for(s=1;s<=2;s+=1)
					{
						for(l=-1;l<=1;l+=2)
						{
							for(z=-90;z<=90;z+=5)
							{
								x=z;
								al=(z+90)*2*PI/180;
								y=l*a*Math.Sin(al)*Math.Sin(d*al);
								if(s==2)
								{
									temp=x;
									x=y;
									y=temp;
								}
								x2=(int)(cx+x);
								y2=(int)(cy-y);
								if(z==-90)
								{
									p1.X=x2;p1.Y=y2;
								}
								else
								{
									p2.X=x2;p2.Y=y2;
									g.DrawLine(pen1,p1,p2);
									p1=p2;
								}
							}
						}
					}
				}
		}

		

		private void menuItem29_Click(object sender, System.EventArgs e)
		{
			Graphics g=pictureBox1.CreateGraphics();
			Pen pen1=new Pen(Color.Blue);
			g.Clear(pictureBox1.BackColor);
			int a,cx,cy,l,z,x1,y1,x2,y2,s;
			double d,x,y,al,temp,bt,bt1,bt2;
			const double PI=3.14159;
			a=30;
			d=0.0;
			bt=PI/4;
			bt1=Math.Cos(bt);
			bt2=Math.Sin(bt);
			for(cx=100;cx<=500;cx+=150)
				for(cy=100;cy<=300;cy+=150)
				{
					d=d+0.5;
					for(s=1;s<=2;s+=1)
					{
						for(l=-1;l<=1;l+=2)
						{
							for(z=-90;z<=90;z+=5)
							{
								x=z;
								al=(z+90)*2*PI/180;
								y=l*a*Math.Sin(al)*Math.Sin(d*al);
								if(s==2)
								{
									temp=x;
									x=y;
									y=temp;
								}
								x1=(int)(x*bt1-y*bt2);
								y1=(int)(x*bt2+y*bt1);
								x2=(int)(cx+x1);
								y2=(int)(cy-y1);
								if(z==-90)
								{
									p1.X=x2;p1.Y=y2;
								}
								else
								{
									p2.X=x2;p2.Y=y2;
									g.DrawLine(pen1,p1,p2);
									p1=p2;
								}
							}
						}
					}
				}
		}

		private void menuItem30_Click(object sender, System.EventArgs e)
		{
			Graphics g=pictureBox1.CreateGraphics();
			Pen pen1=new Pen(Color.Blue);
			g.Clear(pictureBox1.BackColor);
			int a,cx,cy,l,z,x1,y1,x2,y2,s;
			double d,x,y,al,temp,bt,bt1,bt2;
			const double PI=3.14159;
			a=30;
			d=0.0;
			bt=PI/4;
			bt1=Math.Cos(bt);
			bt2=Math.Sin(bt);
			for(cx=100;cx<=600;cx+=150)
				for(cy=100;cy<=300;cy+=150)
				{
					d=d+0.5;
					for(s=1;s<=2;s+=1)
					{
						for(l=-1;l<=1;l+=2)
						{
							for(z=-90;z<=90;z+=5)
							{
								x=z;
								al=(z+90)*2*PI/180;
								y=l*a*Math.Sin(al)*Math.Sin(d*al);
								if(s==2)
								{
									temp=x;
									x=y;
									y=temp;
								}
								x1=(int)(x*bt1-y*bt2);
								y1=(int)(x*bt2+y*bt1);
								x2=(int)(cx+x1);
								y2=(int)(cy-y1);
								if(z==-90)
								{
									p1.X=x2;p1.Y=y2;
								}
								else
								{
									p2.X=x2;p2.Y=y2;
									g.DrawLine(pen1,p1,p2);
									p1=p2;
								}
							}
						}
					}
				}
			d=0.0;
			for(cx=100;cx<=600;cx+=200)
				for(cy=100;cy<=300;cy+=200)
				{
					d=d+0.5;
					for(s=1;s<=2;s+=1)
					{
						for(l=-1;l<=1;l+=2)
						{
							for(z=-90;z<=90;z+=5)
							{
								x=z;
								al=(z+90)*2*PI/180;
								y=l*a*Math.Sin(al)*Math.Sin(d*al);
								if(s==2)
								{
									temp=x;
									x=y;
									y=temp;
								}
								x2=(int)(cx+x);
								y2=(int)(cy-y);
								if(z==-90)
								{
									p1.X=x2;p1.Y=y2;
								}
								else
								{
									p2.X=x2;p2.Y=y2;
									g.DrawLine(pen1,p1,p2);
									p1=p2;
								}
							}
						}
					}
				}
		}

		private void menuItem22_Click(object sender, System.EventArgs e)
		{
			Graphics g=pictureBox1.CreateGraphics();
			Pen pen1=new Pen(Color.Blue);
			g.Clear(pictureBox1.BackColor);
			const double PI=3.14159;
			int a,cx,cy,l,z,x2,y2,n,x1,y1;
			double d,x,y,al,st,ed,bt,bt1,bt2;
			d=0.0;
			n=5;
			a=20;
			st=2*PI/n;
			ed=st*(n-1);
			for(cx=105;cx<=525;cx+=210)
				for(cy=100;cy<=300;cy+=200)
				{
					d=d+0.5;
					for(bt=0;bt<=ed;bt+=st)
					{
						bt1=Math.Sin(bt);
						bt2=Math.Cos(bt);
						for(l=-1;l<=1;l+=2)
						{
							for(z=0;z<=90;z+=5)
							{
								x=z;
								al=(z+90)*2*PI/180;
								y=l*a*Math.Sin(al)*Math.Sin(d*al);
								x1=(int)(x*bt1-y*bt2);
								y1=(int)(x*bt2+y*bt1);
								x2=(int)(cx+x1);
								y2=(int)(cy-y1);
								if(z==0)
								{
									p1.X=x2;p1.Y=y2;
								}
								else
								{
									p2.X=x2;p2.Y=y2;
									g.DrawLine(pen1,p1,p2);
									p1=p2;
								}
							}
						}
					}
				}
		}

		private void menuItem23_Click(object sender, System.EventArgs e)
		{
			//平移变换
			Graphics g=pictureBox1.CreateGraphics();
			Pen pen1=new Pen(Color.Blue);
			g.Clear(pictureBox1.BackColor);
			double[] x1=new double[]{0.0,10.0,100.0,110.0,0.0};
			double[] y1=new double[]{0.0,50.0,40.0,10.0,0.0};
			double[] x2=new double[5];
			double[] y2=new double[5];
			int i,x;
			Class1 end=new Class1();
			for(x=-150;x<=100;x+=10)
			{
				end.parallel(x,x/2);
				for(i=0;i<=4;i++)
				{
					x2[i]=end.affinex(x1[i],y1[i],1.0);
					y2[i]=end.affiney(x1[i],y1[i],1.0);
				}
				for(i=0;i<=3;i++)
				{
					g.DrawLine(pen1,(int)(end.scx(x2[i])),(int)(end.scy(y2[i])),(int)(end.scx(x2[i+1])),(int)(end.scy(y2[i+1])));
				}
			}
		}

		private void menuItem24_Click(object sender, System.EventArgs e)
		{
			//旋转120度
			Graphics g=pictureBox1.CreateGraphics();
			Pen pen1=new Pen(Color.Blue);
			g.Clear(pictureBox1.BackColor);
			double[] x1=new double[]{0.0,10.0,100.0,110.0,0.0};
			double[] y1=new double[]{0.0,50.0,40.0,10.0,0.0};
			double[] x2=new double[5];
			double[] y2=new double[5];
			int i;
			Class1 end=new Class1();
			
			for(i=0;i<=3;i++)
			{
				g.DrawLine(pen1,(int)end.scx(x1[i]),(int)end.scy(y1[i]/2),(int)end.scx(x1[i+1]),(int)end.scy(y1[i+1]/2));
			}
			end.rotate(120.0);
			for(i=0;i<=4;i++)
			{
				x2[i]=end.affinex(x1[i],y1[i],1.0);
				y2[i]=end.affiney(x1[i],y1[i],1.0)/2;
			}
			for(i=0;i<=3;i++)
			{
				g.DrawLine(pen1,(int)(end.scx(x2[i])),(int)(end.scy(y2[i])),(int)(end.scx(x2[i+1])),(int)(end.scy(y2[i+1])));
			}
		}

		private void menuItem25_Click(object sender, System.EventArgs e)
		{
			//旋转变换
			Graphics g=pictureBox1.CreateGraphics();
			Pen pen1=new Pen(Color.Blue);
			g.Clear(pictureBox1.BackColor);
			double[] x1=new double[]{0.0,10.0,100.0,110.0,0.0};
			double[] y1=new double[]{0.0,50.0,40.0,10.0,0.0};
			double[] x2=new double[5];
			double[] y2=new double[5];
			int i,r;
			Class1 end=new Class1();
			for(r=0;r<=360;r+=10)
			{
				end.rotate(r);
				for(i=0;i<=4;i++)
				{
					x2[i]=end.affinex(x1[i],y1[i],1.0);
					y2[i]=end.affiney(x1[i],y1[i],1.0);
				}
				for(i=0;i<=3;i++)
				{
					g.DrawLine(pen1,(int)(end.scx(x2[i])),(int)(end.scy(y2[i])),(int)(end.scx(x2[i+1])),(int)(end.scy(y2[i+1])));
				}
			}
		}

		private void menuItem26_Click(object sender, System.EventArgs e)
		{
			//沿椭圆旋转
			Graphics g=pictureBox1.CreateGraphics();
			Pen pen1=new Pen(Color.Blue);
			g.Clear(pictureBox1.BackColor);
			double[] x1=new double[]{-20.0,0.0,30.0,10.0,-20.0};
			double[] y1=new double[]{0.0,18.0,-10.0,-20.0,0.0};
			double[] x2=new double[5];
			double[] y2=new double[5];
			int i;
			double pi,r;
			pi=3.14159;
			Class1 end=new Class1();

			for(r=0;r<=360;r+=10)
			{
				end.rotate(r);
				for(i=0;i<=4;i++)
				{
					x2[i]=end.affinex(x1[i],y1[i],1.0);
					y2[i]=end.affiney(x1[i],y1[i],1.0);
				}
				end.parallel(-Math.Cos(r/180*pi)*150.0,Math.Sin(r/180*pi)*100.0);
				for(i=0;i<=4;i++)
				{
					x2[i]=end.affinex(x2[i],y2[i],1.0);
					y2[i]=end.affiney(x2[i],y2[i],1.0);
				}
				for(i=0;i<=3;i++)
				{
					g.DrawLine(pen1,(int)(end.scx(x2[i])),(int)(end.scy(y2[i])),(int)(end.scx(x2[i+1])),(int)(end.scy(y2[i+1])));
				}
			}
		}

		private void menuItem27_Click(object sender, System.EventArgs e)
		{
			//比例变换
			Graphics g=pictureBox1.CreateGraphics();
			Pen pen1=new Pen(Color.Blue);
			g.Clear(pictureBox1.BackColor);
			double[] x1=new double[]{-20.0,0.0,30.0,10.0,-20.0};
			double[] y1=new double[]{0.0,18.0,-10.0,-20.0,0.0};
			double[] x2=new double[5];
			double[] y2=new double[5];
			int i;
			Class1 end=new Class1();
			double s;

			for(s=0;s<10;s+=0.5)
			{
				end.scale(s);
				for(i=0;i<=4;i++)
				{
					x2[i]=end.affinex(x1[i],y1[i],1.0);
					y2[i]=end.affiney(x1[i],y1[i],1.0)/2;
				}
				for(i=0;i<=3;i++)
				{
					g.DrawLine(pen1,(int)(end.scx(x2[i])),(int)(end.scy(y2[i])),(int)(end.scx(x2[i+1])),(int)(end.scy(y2[i+1])));
				}
			}
		}

		private void menuItem28_Click(object sender, System.EventArgs e)
		{
			//旋转比例平移
			Graphics g=pictureBox1.CreateGraphics();
			Pen pen1=new Pen(Color.Blue);
			g.Clear(pictureBox1.BackColor);
			double[] x1=new double[]{-20.0,0.0,30.0,10.0,-20.0};
			double[] y1=new double[]{0.0,18.0,-10.0,-20.0,0.0};
			double[] x2=new double[5];
			double[] y2=new double[5];
			int i;
			double pi,r;
			pi=3.14159;
			Class1 end=new Class1();
			
			for(r=0;r<=360;r+=10)
			{
				end.rotate(r);
				for(i=0;i<=4;i++)
				{
					x2[i]=end.affinex(x1[i],y1[i],1.0);
					y2[i]=end.affiney(x1[i],y1[i],1.0);
				}
				end.scale(Math.Sin(r/180*pi)*1.5);
				for(i=0;i<=4;i++)
				{
					x2[i]=end.affinex(x2[i],y2[i],1.0);
					y2[i]=end.affiney(x2[i],y2[i],1.0);
				}
				end.parallel(-Math.Cos(r/180*pi)*150.0,Math.Sin(r/180*pi)*100.0);
				for(i=0;i<=4;i++)
				{
					x2[i]=end.affinex(x2[i],y2[i],1.0);
					y2[i]=end.affiney(x2[i],y2[i],1.0);
				}
				for(i=0;i<=3;i++)
				{
					g.DrawLine(pen1,(int)(end.scx(x2[i])),(int)(end.scy(y2[i])),(int)(end.scx(x2[i+1])),(int)(end.scy(y2[i+1])));
				}
			}
		}
	}
}