Java tutorial
//package com.java2s; //License from project: Apache License import android.graphics.Point; import android.graphics.PointF; public class Main { public static PointF mapDisplayPointTo(PointF p, Point center) { return new PointF(p.x - center.x, center.y - p.y); } public static PointF mapDisplayPointTo(Point p, PointF center) { return new PointF(p.x - center.x, center.y - p.y); } public static PointF mapDisplayPointTo(Point p, Point center) { return new PointF(p.x - center.x, center.y - p.y); } public static PointF mapDisplayPointTo(PointF p, PointF center) { return new PointF(p.x - center.x, center.y - p.y); } }