2010-11-15 20:35:36 +00:00
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/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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2022-03-07 19:33:46 +00:00
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* (C) Copyright 2009-2023, Arnaud Roques
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2010-11-15 20:35:36 +00:00
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*
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2016-03-06 16:47:34 +00:00
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* Project Info: http://plantuml.com
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2010-11-15 20:35:36 +00:00
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*
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2017-03-15 19:13:31 +00:00
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* If you like this project or if you find it useful, you can support us at:
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*
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* http://plantuml.com/patreon (only 1$ per month!)
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* http://plantuml.com/paypal
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*
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2010-11-15 20:35:36 +00:00
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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2013-12-10 19:36:50 +00:00
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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2010-11-15 20:35:36 +00:00
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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*
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* Original Author: Arnaud Roques
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*
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*
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*/
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package net.sourceforge.plantuml.code;
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2017-12-11 21:02:10 +00:00
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import net.sourceforge.plantuml.zopfli.Options;
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import net.sourceforge.plantuml.zopfli.Options.BlockSplitting;
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import net.sourceforge.plantuml.zopfli.Options.OutputFormat;
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import net.sourceforge.plantuml.zopfli.Zopfli;
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2010-11-15 20:35:36 +00:00
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2017-12-11 21:02:10 +00:00
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public class CompressionZopfliZlib implements Compression {
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2023-01-31 19:27:04 +00:00
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// ::remove file when WASM
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2010-11-15 20:35:36 +00:00
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public byte[] compress(byte[] in) {
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2022-11-19 14:57:30 +00:00
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if (in.length == 0)
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2017-12-11 21:02:10 +00:00
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return null;
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2022-11-19 14:57:30 +00:00
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2017-12-11 21:02:10 +00:00
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int len = in.length * 2;
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2022-11-19 14:57:30 +00:00
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if (len < 100)
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2017-12-11 21:02:10 +00:00
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len = 100;
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2022-11-19 14:57:30 +00:00
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2017-12-11 21:02:10 +00:00
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final Zopfli compressor = new Zopfli(len);
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final Options options = new Options(OutputFormat.DEFLATE, BlockSplitting.FIRST, 30);
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return compressor.compress(options, in).getResult();
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2010-11-15 20:35:36 +00:00
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}
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2020-05-07 14:12:08 +00:00
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public ByteArray decompress(byte[] in) throws NoPlantumlCompressionException {
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2017-12-11 21:02:10 +00:00
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return new CompressionZlib().decompress(in);
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2010-11-15 20:35:36 +00:00
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}
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}
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