Java tutorial
//package com.java2s; //License from project: Apache License import android.graphics.PointF; import android.graphics.Rect; import android.graphics.RectF; public class Main { public static Rect getBitmapRect(PointF center, float radius) { RectF rectF = new RectF(); rectF.set(center.x - radius, center.y - radius, center.x + radius, center.y + radius); return rectF2Rect(rectF); } public static Rect rectF2Rect(RectF rectF) { Rect rect = new Rect(); rect.set((int) rectF.left, (int) rectF.top, (int) rectF.right, (int) rectF.bottom); return rect; } }