Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.awt.geom.Area;

import java.awt.geom.GeneralPath;
import java.awt.geom.Point2D;

public class Main {
    public static Area getArrowFromTo(Point2D.Double from, Point2D.Double to) {
        double dx = 8;
        double dy = Math.floor(dx / 2);
        if (from.getX() < to.getX())
            dx *= -1;

        GeneralPath arrowHeadFrom = new GeneralPath();
        arrowHeadFrom.moveTo(to.getX() + dx, to.getY() - dy);
        arrowHeadFrom.lineTo(to.getX(), to.getY());
        arrowHeadFrom.lineTo(to.getX() + dx, to.getY() + dy);
        arrowHeadFrom.lineTo(to.getX() + dx, to.getY() + 0.1);
        arrowHeadFrom.lineTo(from.getX(), from.getY() + 0.1);
        arrowHeadFrom.lineTo(from.getX(), from.getY() - 0.1);
        arrowHeadFrom.lineTo(to.getX() + dx, to.getY() - 0.1);
        arrowHeadFrom.lineTo(to.getX() + dx, to.getY() - dy);

        Area b = new Area(arrowHeadFrom);

        return b;
    }
}