ManyGeneralPath.java Source code

Introduction

Here is the source code for ManyGeneralPath.java

Source

import java.awt.Canvas;
import java.awt.Color;
import java.awt.Container;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.GeneralPath;
import java.awt.geom.Rectangle2D;
import java.util.Vector;

import javax.swing.JApplet;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class ManyGeneralPath extends JApplet {
    DrawingCanvas canvas;

    public static void main(String[] a) {
        JFrame f = new JFrame();
        ManyGeneralPath path = new ManyGeneralPath();
        path.init();
        f.getContentPane().add(path);
        f.setDefaultCloseOperation(1);
        f.setSize(650, 250);
        f.setVisible(true);
    }

    public void init() {
        Container container = getContentPane();
        JPanel panel = new JPanel();
        canvas = new DrawingCanvas();
        container.add(canvas);
    }

    class DrawingCanvas extends Canvas {
        Vector generalPaths;

        GeneralPath selectedGPath = null;

        Rectangle2D boundingRec = null;

        int selectedRule = GeneralPath.WIND_NON_ZERO;

        boolean drawNoFill = false;

        public DrawingCanvas() {
            setBackground(Color.white);
            setSize(400, 200);
            generalPaths = new Vector();

            GeneralPath gp1, gp2, gp3, gp4, gp5, gp6, gp7, gp8;

            gp1 = new GeneralPath();
            gp1.moveTo(50, 10);
            gp1.lineTo(70, 80);
            gp1.lineTo(90, 40);
            gp1.lineTo(10, 40);
            gp1.lineTo(50, 80);
            gp1.closePath();
            generalPaths.addElement(gp1);

            gp2 = new GeneralPath();
            gp2.moveTo(120, 20);
            gp2.lineTo(180, 20);
            gp2.lineTo(120, 80);
            gp2.lineTo(180, 80);
            gp2.closePath();
            generalPaths.addElement(gp2);

            gp3 = new GeneralPath();
            gp3.moveTo(220, 20);
            gp3.lineTo(280, 20);
            gp3.lineTo(280, 60);
            gp3.lineTo(240, 60);
            gp3.lineTo(240, 40);
            gp3.lineTo(260, 40);
            gp3.lineTo(260, 80);
            gp3.lineTo(220, 80);
            gp3.closePath();
            generalPaths.addElement(gp3);

            gp4 = new GeneralPath();
            gp4.moveTo(310, 20);
            gp4.lineTo(380, 20);
            gp4.lineTo(380, 80);
            gp4.lineTo(320, 80);
            gp4.lineTo(320, 10);
            gp4.lineTo(340, 10);
            gp4.lineTo(340, 60);
            gp4.lineTo(360, 60);
            gp4.lineTo(360, 40);
            gp4.lineTo(310, 40);
            gp4.closePath();
            generalPaths.addElement(gp4);

            gp5 = new GeneralPath();
            gp5.moveTo(50, 120);
            gp5.lineTo(70, 180);
            gp5.lineTo(20, 140);
            gp5.lineTo(80, 140);
            gp5.lineTo(30, 180);
            gp5.closePath();
            generalPaths.addElement(gp5);

            gp6 = new GeneralPath();
            gp6.moveTo(120, 180);
            gp6.quadTo(150, 120, 180, 180);
            gp6.closePath();
            generalPaths.addElement(gp6);

            gp7 = new GeneralPath();
            gp7.moveTo(220, 150);
            gp7.curveTo(240, 130, 280, 160, 300, 140);
            gp7.lineTo(300, 180);
            gp7.quadTo(260, 160, 220, 180);
            gp7.closePath();
            generalPaths.addElement(gp7);

            gp8 = new GeneralPath();
            gp8.moveTo(360, 100);
            gp8.lineTo(360, 200);
            gp8.lineTo(400, 140);
            gp8.lineTo(320, 120);
            gp8.lineTo(400, 180);
            gp8.lineTo(320, 180);
            gp8.closePath();
            generalPaths.addElement(gp8);
        }

        public void paint(Graphics g) {
            Graphics2D g2D = (Graphics2D) g;

            for (int i = 0; i < generalPaths.size(); i++) {
                if (drawNoFill) {
                    g2D.draw((GeneralPath) generalPaths.elementAt(i));
                } else {
                    g2D.fill((GeneralPath) generalPaths.elementAt(i));
                }
            }
        }
    }
}