flower.java

用JAVA语言编写的一个花的图形

import java.awt.*;import java.awt.event.*;
import java.awt.geom.*;import java.applet.*;
public class Flower extends Applet 
{ public void paint(Graphics g)
   { Graphics2D  g_2d=(Graphics2D)g;
     //绘制花叶两边的曲线:  
      
QuadCurve2D
 curve_1=new  QuadCurve2D.Double(200,200,150,160,200,100);
CubicCurve2D curve_2=
new  CubicCurve2D.Double(200,200,260,145,190,120,200,100); 
      //绘制花叶中的纹线:
      Line2D line=new Line2D.Double(200,200,200,110);  
      QuadCurve2D leaf_line1=
new  QuadCurve2D.Double(200,180,195,175,190,170);
      QuadCurve2D leaf_line2=
new  QuadCurve2D.Double(200,180,210,175,220,170); 
      QuadCurve2D leaf_line3=
new  QuadCurve2D.Double(200,160,195,155,190,150);
      QuadCurve2D leaf_line4=
new  QuadCurve2D.Double(200,160,214,155,220,150);   
      
      //利用旋转来绘制花朵:  
      AffineTransform trans=new AffineTransform();
      for(int i=0;i<6;i++)
       {trans.rotate(60*Math.PI/180,200,200);
        g_2d.setTransform(trans); 
        GradientPaint gradient_1=
new GradientPaint(200,200,Color.green,200,100,Color.yellow);
        g_2d.setPaint(gradient_1);
        g_2d.fill(curve_1);
        GradientPaint gradient_2=new
GradientPaint(200,145,Color.green,260,145,Color.red,true);
        g_2d.setPaint(gradient_2);
        g_2d.fill(curve_2);
        Color c3=new Color(0,200,0); g_2d.setColor(c3); 
        g_2d.draw(line); 
        g_2d.draw(leaf_line1); g_2d.draw(leaf_line2);  
        g_2d.draw(leaf_line3); g_2d.draw(leaf_line4);
        }
    //花瓣中间的花蕾曲线:
   QuadCurve2D center_curve_1=
new   QuadCurve2D.Double(200,200,190,185,200,180);
   AffineTransform trans_1=new AffineTransform(); 
      for(int i=0;i<12;i++)
        {trans_1.rotate(30*Math.PI/180,200,200);
         g_2d.setTransform(trans_1); 
         GradientPaint gradient_3=
             new GradientPaint(200,200,Color.red,200,180,Color.yellow);
                g_2d.setPaint(gradient_3);
                g_2d.fill(center_curve_1); 
         }
       //再绘制一个0.4倍的花朵:
          AffineTransform trans_2=new AffineTransform();
           trans_2.scale(0.4,0.4); 
           for(int i=0;i<6;i++)
           { trans_2.rotate(60*Math.PI/180,200,200);
             g_2d.setTransform(trans_2);g_2d.setColor(Color.pink);
             g_2d.fill(curve_1);g_2d.setColor(Color.green);
             g_2d.fill(curve_2);
           }
  }
}