1 /*
2  * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.  Oracle designates this
8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 
26 package sun.font;
27 
28 import java.awt.Rectangle;
29 import java.awt.Shape;
30 import java.awt.geom.AffineTransform;
31 import java.awt.geom.PathIterator;
32 import java.awt.geom.Point2D;
33 import java.awt.geom.Rectangle2D;
34 
35 /**
36  * To avoid people downcasting Shape to a known mutable subclass and
37  * mucking with its internals, we need to interpose a subclass that
38  * cannot be mutated or downcasted.
39  */
40 public final class DelegatingShape implements Shape {
41     Shape delegate;
42 
DelegatingShape(Shape delegate)43     public DelegatingShape(Shape delegate) {
44         this.delegate = delegate;
45     }
46 
getBounds()47     public Rectangle getBounds() {
48         return delegate.getBounds(); // assumes all delegates are immutable via the returned Rectangle
49     }
50 
getBounds2D()51     public Rectangle2D getBounds2D() {
52         return delegate.getBounds2D();  // assumes all delegates are immutable via the returned Rectangle2D
53     }
54 
contains(double x, double y)55     public boolean contains(double x, double y) {
56         return delegate.contains(x, y);
57     }
58 
contains(Point2D p)59     public boolean contains(Point2D p) {
60         return delegate.contains(p);
61     }
62 
intersects(double x, double y, double w, double h)63     public boolean intersects(double x, double y, double w, double h) {
64         return delegate.intersects(x, y, w, h);
65     }
66 
intersects(Rectangle2D r)67     public boolean intersects(Rectangle2D r) {
68         return delegate.intersects(r);
69     }
70 
contains(double x, double y, double w, double h)71     public boolean contains(double x, double y, double w, double h) {
72         return delegate.contains(x, y, w, h);
73     }
74 
contains(Rectangle2D r)75     public boolean contains(Rectangle2D r) {
76         return delegate.contains(r);
77     }
78 
getPathIterator(AffineTransform at)79     public PathIterator getPathIterator(AffineTransform at) {
80         return delegate.getPathIterator(at);
81     }
82 
getPathIterator(AffineTransform at, double flatness)83     public PathIterator getPathIterator(AffineTransform at, double flatness) {
84         return delegate.getPathIterator(at, flatness);
85     }
86 }
87