Dave Hoover
1daf5c206b
thing before committing instead of just going "oh yeah, I've been having this stuff sitting around uncommitted for a while waiting on it to be blessed" and missing out on things that'd changed in the meantime. git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@665 ed5b42cb-e716-0410-a449-f6a68f950b19
77 lines
2.6 KiB
Java
77 lines
2.6 KiB
Java
//
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// $Id$
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//
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// Nenya library - tools for developing networked games
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// Copyright (C) 2002-2007 Three Rings Design, Inc., All Rights Reserved
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// http://www.threerings.net/code/nenya/
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package com.threerings.media.tile;
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import java.util.Map;
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import java.io.IOException;
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import java.awt.Rectangle;
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import java.awt.image.BufferedImage;
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import com.samskivert.util.LRUHashMap;
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import com.threerings.media.image.BufferedMirage;
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import com.threerings.media.image.Colorization;
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import com.threerings.media.image.Mirage;
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import static com.threerings.media.Log.log;
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/**
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* An image provider that can be used by command line tools to load images and provide them to
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* tilesets when doing things like preprocessing tileset images.
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*/
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public abstract class SimpleCachingImageProvider implements ImageProvider
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{
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// documentation inherited from interface
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public BufferedImage getTileSetImage (String path, Colorization[] zations)
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{
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BufferedImage image = _cache.get(path);
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if (image == null) {
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try {
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image = loadImage(path);
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_cache.put(path, image);
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} catch (IOException ioe) {
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log.warning("Failed to load image [path=" + path + ", ioe=" + ioe + "].");
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}
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}
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return image;
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}
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// documentation inherited from interface
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public Mirage getTileImage (String path, Rectangle bounds, Colorization[] zations)
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{
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// mostly fake it
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BufferedImage tsimg = getTileSetImage(path, zations);
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tsimg = tsimg.getSubimage(bounds.x, bounds.y, bounds.width, bounds.height);
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return new BufferedMirage(tsimg);
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}
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/**
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* Derived classes must implement this method to actually load the raw source images.
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*/
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protected abstract BufferedImage loadImage (String path)
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throws IOException;
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protected Map<String, BufferedImage> _cache = new LRUHashMap<String, BufferedImage>(10);
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}
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