?? exam11_3.java
字號:
/* 程序名Exam11_3.java */
import java.awt.*;
import java.awt.geom.*;
import java.applet.*;
public class Exam11_3 extends Applet
{
public void paint(Graphics g)
{
Graphics2D g2d = (Graphics2D)g; // 強制轉(zhuǎn)換為Graphics2D引用
float x[]={10,35,60,85,110,135,160,185,210,235,260,285,310};
float y[]={100,50,100,50,100,50,100,50,100,50,100,50,100};
GeneralPath line = new GeneralPath(); // 構(gòu)建GeneralPath類對象
line.moveTo(x[0],y[0]); // 將起始點加入路徑
for(int i=1; i<x.length;i++) line.lineTo(x[i],y[i]);//將折線的坐標點加入路徑
g2d.draw(line); //繪制折線
g2d.setColor(Color.BLUE); //設置顏色
for(int i=1; i<x.length-1; i=i+2)
{
QuadCurve2D.Float c1=new QuadCurve2D.Float(x[i-1],y[i-1],x[i],y[i],x[i+1], y[i+1]); //定義曲線1
g2d.draw(c1); //繪制曲線
}
g2d.setColor(Color.red); //設置顏色
for(int i=1; i<x.length-2; i=i+3)
{
CubicCurve2D.Float c1=new CubicCurve2D.Float(x[i-1],y[i-1],x[i],y[i],x[i+1], y[i+1],x[i+2],y[i+2]);
g2d.draw(c1); //繪制曲線
}
}
}
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