/*

 * Copyright (c) 1997, 2013, 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,

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 *

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package javax.swing.text;

/**

 * Simple interface to allow for different types of

 * implementations of tab expansion.

 *

 * @author  Timothy Prinzing

 */

public interface TabExpander {

    /**

     * Returns the next tab stop position given a reference

     * position.  Values are expressed in points.

     *

     * @param x the position in points >= 0

     * @param tabOffset the position within the text stream

     *   that the tab occurred at >= 0.

     * @return the next tab stop >= 0

     */

    float nextTabStop(float x, int tabOffset);

}