triangle.java

环境配置：系统装有jre运行环境。 使用说明： 1.双击drawer.jar文件

///////////////////////////////////////////////////////////
// Name: Drawer                                          //
// Author:Zhanghan                                       //
// Date:  2005-9-10                                      //
// Email: [e-mail]                         //
///////////////////////////////////////////////////////////

import java.awt.*;
//                    The Triangle Class
public class Triangle extends Shape

{
    private int xS[] = null;
    private int yS[] = null;

    public Triangle(Color color, Stroke stroke, int i, int j)
    {
        super(color, stroke, i, j);
        xS = new int[3];
        yS = new int[3];
    }

    public void draw(Graphics2D graphics2d)
    {
        xS[0] = currentX;
        yS[0] = currentY;
        xS[1] = currentX + currentD;
        yS[1] = currentY;
        xS[2] = currentX+ currentD / 2;
        yS[2] = (int)(currentY - currentD / 2 * 1.732);

        graphics2d.setStroke(stroke);
        graphics2d.drawPolygon(xS, yS, 3);

    }


}