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332 lines
6.5 KiB
Java
332 lines
6.5 KiB
Java
/* Copyright (C) 1999 Free Software Foundation
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This file is part of libjava.
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This software is copyrighted work licensed under the terms of the
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Libjava License. Please consult the file "LIBJAVA_LICENSE" for
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details. */
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package java.awt;
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/* Status: Mostly complete. Some of the Java2D stuff is commented out. */
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// FIXME: Should extend Rectangle2D for 1.2 implementation
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public class Rectangle implements Cloneable, Shape
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{
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public int x;
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public int y;
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public int width;
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public int height;
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public Rectangle()
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{
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x = 0;
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y = 0;
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width = 0;
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height = 0;
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}
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public Rectangle(Rectangle r)
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{
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x = r.x;
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y = r.y;
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width = r.width;
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height = r.height;
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}
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public Rectangle(int x, int y, int width, int height)
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{
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this.x = x;
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this.y = y;
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this.width = width;
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this.height = height;
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}
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public Rectangle(int width, int height)
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{
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x = 0;
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y = 0;
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this.width = width;
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this.height = height;
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}
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public Rectangle(Point p, Dimension d)
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{
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x = p.x;
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y = p.y;
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width = d.width;
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height = d.height;
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}
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public Rectangle(Point p)
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{
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x = p.x;
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y = p.y;
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width = 0;
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height = 0;
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}
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public Rectangle(Dimension d)
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{
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x = 0;
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y = 0;
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width = d.width;
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height = d.height;
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}
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public Rectangle getBounds ()
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{
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return (Rectangle) this.clone();
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}
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public void add(int newx, int newy)
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{
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int x = this.x > newx ? newx : this.x;
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int y = this.y > newy ? newy : this.y;
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width = (this.x + width > newx ? this.x + width : newx) - x;
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height = (this.y + height > newy ? this.y + height : newy) - y;
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this.x = x;
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this.y = y;
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}
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public void add(Point pt)
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{
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add (pt.x, pt.y);
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}
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public void add(Rectangle r)
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{
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int x = this.x > r.x ? r.x : this.x;
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int y = this.y > r.y ? r.y : this.y;
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width = (this.x + width > r.x + r.width ?
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this.x + width : r.x + r.width) - x;
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height = (this.y + height > r.y + r.height ?
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this.y + height : r.y + r.height) - y;
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this.x = x;
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this.y = y;
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}
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public boolean contains(int x, int y)
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{
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return (x >= this.x && x <= this.x + this.width
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&& y >= this.y && y <= this.y + this.height);
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}
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public boolean contains(int x, int y, int w, int h)
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{
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return (x >= this.x && x + w <= this.x + this.width
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&& y >= this.y && y + h <= this.y + this.height);
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}
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public boolean contains(Point p)
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{
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return contains(p.x, p.y);
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}
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public boolean contains(Rectangle r)
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{
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return contains(r.x, r.y, r.width, r.height);
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}
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public boolean equals(Object obj)
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{
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if (obj instanceof Rectangle)
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{
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Rectangle r = (Rectangle) obj;
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return (r.x == x
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&& r.y == y
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&& r.width == width
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&& r.height == height);
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}
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return false;
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}
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public double getHeight()
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{
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return (double) this.height;
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}
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public Point getLocation()
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{
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return new Point(x,y);
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}
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public Dimension getSize()
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{
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return new Dimension(width, height);
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}
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public double getWidth()
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{
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return (double) this.width;
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}
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public double getX()
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{
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return (double) x;
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}
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public double getY()
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{
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return (double) y;
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}
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public void grow(int h, int v)
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{
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width += h;
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height += v;
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}
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/** @deprecated Use contains() instead. */
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public boolean inside(int x, int y)
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{
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return contains(x, y);
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}
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/** @specnote If there is no intersection, an empty rectangle at 0,0
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* is returned.
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*/
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public Rectangle intersection(Rectangle r)
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{
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int newx = x < r.x ? r.x : x;
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int newy = y < r.y ? r.y : y;
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int neww = (x + width < r.x + r.width ?
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x + width : r.x + r.width) - newx;
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int newh = (y + height < r.y + r.height ?
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y + height : r.y + r.height) - newy;
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if (neww >= 0 && newh >= 0)
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return new Rectangle(newx, newy, neww, newh);
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else
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return new Rectangle(0, 0, 0, 0);
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}
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/** @specnote If the intersection is at an edge or corner only (an empty
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* intersection with a non-zero location), false is returned.
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*/
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public boolean intersects(Rectangle r)
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{
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int neww = (x + width < r.x + r.width ?
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x + width : r.x + r.width) - (x < r.x ? r.x : x);
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int newh = (y + height < r.y + r.height ?
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y + height : r.y + r.height) - (y < r.y ? r.y : y);
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return (neww > 0 && newh > 0);
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}
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public boolean isEmpty()
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{
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return (width > 0 && height > 0);
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}
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/** @deprecated Use setLocation() instead. */
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public void move(int x, int y)
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{
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setLocation(x, y);
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}
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public int outcode(double x, double y)
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{
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// FIXME
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return 0;
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}
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/** @deprecated Use setBounds() instead. */
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public void reshape(int x, int y, int width, int height)
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{
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setBounds(x, y, width, height);
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}
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/** @deprecated Use setSize() instead. */
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public void resize(int width, int height)
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{
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setSize(width, height);
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}
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public void setBounds(int x, int y, int width, int height)
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{
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this.x = x;
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this.y = y;
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this.width = width;
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this.height = height;
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}
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public void setBounds(Rectangle r)
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{
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this.x = r.x;
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this.y = r.y;
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this.width = r.width;
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this.height = r.height;
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}
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public void setLocation(int x, int y)
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{
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this.x = x;
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this.y = y;
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}
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public void setLocation(Point p)
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{
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this.x = p.x;
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this.y = p.y;
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}
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public void setRect(double x, double y, double width, double height)
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{
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this.x = (int) x;
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this.y = (int) y;
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this.width = (int) width;
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this.height = (int) height;
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}
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public void setSize(Dimension d)
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{
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this.width = d.width;
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this.height = d.height;
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}
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public void setSize(int width, int height)
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{
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this.width = width;
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this.height = height;
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}
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public void translate(int x, int y)
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{
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x += x;
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y += y;
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}
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public Rectangle union(Rectangle r)
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{
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int newx = x > r.x ? r.x : x;
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int newy = y > r.y ? r.y : y;
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int neww = (this.x + width > r.x + r.width ?
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this.x + width : r.x + r.width) - newx;
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int newh = (this.y + height > r.y + r.height ?
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this.y + height : r.y + r.height) - newy;
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return new Rectangle(newx, newy, neww, newh);
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}
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// Commented out until we have Rectangle2D
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/*
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public Rectangle2D createIntersection(Rectangle2D r)
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{
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}
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public Rectangle2D createUnion(Rectangle2D r)
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{
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}
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public Rectangle2D getBounds2D()
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{
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}
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*/
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public String toString()
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{
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return getClass().getName() + "[x=" + x + ",y=" + y + ",width=" + width +
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",height=" + height + "]";
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}
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}
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