JDK8/Java8源码在线阅读

/*
 * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package sun.font;

import java.awt.Rectangle;
import java.awt.Shape;
import java.awt.geom.AffineTransform;
import java.awt.geom.PathIterator;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;

/**
 * To avoid people downcasting Shape to a known mutable subclass and
 * mucking with its internals, we need to interpose a subclass that
 * cannot be mutated or downcasted.
 */
public final class DelegatingShape implements Shape {
    Shape delegate;

    public DelegatingShape(Shape delegate) {
        this.delegate = delegate;
    }

    public Rectangle getBounds() {
        return delegate.getBounds(); // assumes all delegates are immutable via the returned Rectangle
    }

    public Rectangle2D getBounds2D() {
        return delegate.getBounds2D();  // assumes all delegates are immutable via the returned Rectangle2D
    }

    public boolean contains(double x, double y) {
        return delegate.contains(x, y);
    }

    public boolean contains(Point2D p) {
        return delegate.contains(p);
    }

    public boolean intersects(double x, double y, double w, double h) {
        return delegate.intersects(x, y, w, h);
    }

    public boolean intersects(Rectangle2D r) {
        return delegate.intersects(r);
    }

    public boolean contains(double x, double y, double w, double h) {
        return delegate.contains(x, y, w, h);
    }

    public boolean contains(Rectangle2D r) {

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