Android Open Source - elf.map.android Rect

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License

The source code is released under:

This is free and unencumbered software released into the public domain. Anyone is free to copy, modify, publish, use, compile, sell, or distribute this software, either in source code form or as a co...

Java Source Code

/*
 * License: Public Domain/*from   w  w  w .j  ava2  s.  c  o m*/
 * Author: elf
 * EMail: elf198012@gmail.com
 */

package elf.map;

public class Rect{
  public Rect(){
    _ptLeftTop = new Point();
    _ptRightBottom = new Point();
  }

  public Rect(long left, long top, long width, long height){
    _ptLeftTop = new Point(left, top);
    _ptRightBottom = new Point(left + width, top + height);
  }

  public Rect(Rect rect){
    _ptLeftTop = new Point(rect.LeftTop());
    _ptRightBottom = new Point(rect.RightBottom());
  }

  public long Left(){
    return _ptLeftTop.X();
  }

  public long Top(){
    return _ptLeftTop.Y();
  }

  public long Right(){
    return _ptRightBottom.X();
  }

  public long Bottom(){
    return _ptRightBottom.Y();
  }

  public long Width(){
    return _ptRightBottom.X() - _ptLeftTop.X();
  }

  public long Height(){
    return _ptRightBottom.Y() - _ptLeftTop.Y();
  }

  public Point LeftTop(){
    return _ptLeftTop;
  }

  public Point RightBottom(){
    return _ptRightBottom;
  }

  public void GetSize(Size size){
    size.Set(Width(), Height());
  }

  public void SetLeft(long left){
    long w = Width();
    _ptLeftTop.SetX(left);
    _ptRightBottom.SetX(left + w);
  }

  public void SetTop(long top){
    long h = Height();
    _ptLeftTop.SetY(top);
    _ptRightBottom.SetY(top + h);
  }

  public void SetWidth(long width){
    _ptRightBottom.SetX(_ptLeftTop.X() + width);
  }

  public void SetHeight(long height){
    _ptRightBottom.SetY(_ptLeftTop.Y() + height);
  }

  public void SetLeftTop(long left, long top){
    SetLeft(left);
    SetTop(top);
  }

  public void SetLeftTop(Point ptLeftTop){
    SetLeftTop(ptLeftTop.X(), ptLeftTop.Y());
  }

  public void SetCenter(long x, long y){
    long w = Width();
    long h = Height();
    long w2 = w / 2;
    long h2 = h / 2;
    _ptLeftTop.Set(x - w2, y - h2);
    SetSize(w, h);
  }

  public void SetCenter(Point ptCenter){
    SetCenter(ptCenter.X(), ptCenter.Y());
  }

  public void GetCenter(Point ptCenter){
    long w = Width();
    long h = Height();
    long w2 = w / 2;
    long h2 = h / 2;
    ptCenter.Set(_ptLeftTop.X() + w2, _ptLeftTop.Y() + h2);
  }

  public void SetSize(long width, long height){
    SetWidth(width);
    SetHeight(height);
  }

  public void SetSize(Size size){
    SetSize(size.Width(), size.Height());
  }

  public void Set(long left, long top, long width, long height){
    _ptLeftTop.Set(left, top);
    SetSize(width, height);
  }

  public void Set(Rect rect){
    Set(rect.Left(), rect.Top(), rect.Width(), rect.Height());
  }

  public void SetBoundingLeft(long value){
    _ptLeftTop.SetX(value);
  }

  public void SetBoundingTop(long value){
    _ptLeftTop.SetY(value);
  }

  public void SetBoundingRight(long value){
    _ptRightBottom.SetX(value);
  }

  public void SetBoundingBottom(long value){
    _ptRightBottom.SetY(value);
  }

  public void SetBound(long left, long top, long right, long bottom){
    _ptLeftTop.Set(left, top);
    _ptRightBottom.Set(right, bottom);
  }

  public void Offset(long x, long y){
    _ptLeftTop.Offset(x, y);
    _ptRightBottom.Offset(x, y);
  }

  public boolean Contains(long x, long y){
    return x < _ptRightBottom.X() && y < _ptRightBottom.Y() && x >= _ptLeftTop.X() && y >= _ptLeftTop.Y();
  }

  public boolean Contains(Point point){
    return Contains(point.X(), point.Y());
  }

  public boolean Intersects(Rect rect){
    return rect.Left() < Right() && rect.Right() >= Left() && rect.Top() < Bottom() && rect.Bottom() >= Top();
  }
  private Point _ptLeftTop;
  private Point _ptRightBottom;
}

Java Source Code List

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