nenya/src/java/com/threerings/media/util/MultiFrameImageImpl.java

//
// $Id$
//
// Nenya library - tools for developing networked games
// Copyright (C) 2002-2010 Three Rings Design, Inc., All Rights Reserved
// http://www.threerings.net/code/nenya/
//
// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

package com.threerings.media.util;

import java.awt.Graphics2D;

import com.threerings.media.image.Mirage;

/**
 * A basic implementation of the {@link MultiFrameImage} interface
 * intended to facilitate the creation of MFIs whose display frames
 * consist of multiple image objects.
 */
public class MultiFrameImageImpl implements MultiFrameImage
{
    /**
     * Constructs a multiple frame image object.
     */
    public MultiFrameImageImpl (Mirage[] mirages)
    {
        _mirages = mirages;
    }

    // documentation inherited
    public int getFrameCount ()
    {
        return _mirages.length;
    }

    // documentation inherited from interface
    public int getWidth (int index)
    {
        return _mirages[index].getWidth();
    }

    // documentation inherited from interface
    public int getHeight (int index)
    {
        return _mirages[index].getHeight();
    }

    // documentation inherited from interface
    public void paintFrame (Graphics2D g, int index, int x, int y)
    {
        _mirages[index].paint(g, x, y);
    }

    // documentation inherited from interface
    public boolean hitTest (int index, int x, int y)
    {
        return _mirages[index].hitTest(x, y);
    }

    /** The frame images. */
    protected Mirage[] _mirages;
}