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77 lines
2.7 KiB
Java
77 lines
2.7 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009-2024, Arnaud Roques
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*
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* Project Info: https://plantuml.com
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*
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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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* https://plantuml.com/patreon (only 1$ per month!)
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* https://plantuml.com/paypal
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*
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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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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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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.flashcode;
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import java.awt.Color;
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import java.awt.image.BufferedImage;
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import java.util.Hashtable;
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import java.util.concurrent.locks.Lock;
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import java.util.concurrent.locks.ReentrantLock;
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import zext.plantuml.com.google.zxing.BarcodeFormat;
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import zext.plantuml.com.google.zxing.EncodeHintType;
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import zext.plantuml.com.google.zxing.client.j2se.MatrixToImageWriter;
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import zext.plantuml.com.google.zxing.common.BitMatrix;
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import zext.plantuml.com.google.zxing.qrcode.QRCodeWriter;
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import zext.plantuml.com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
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import net.sourceforge.plantuml.utils.Log;
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public class FlashCodeUtilsZxing implements FlashCodeUtils {
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// ::remove file when __MIT__ or __EPL__ or __BSD__ or __ASL__ or __LGPL__
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private static final Lock lock = new ReentrantLock();
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public BufferedImage exportFlashcode(String s, Color fore, Color back) {
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if (lock.tryLock())
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try {
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final QRCodeWriter writer = new QRCodeWriter();
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final Hashtable hints = new Hashtable();
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hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);
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hints.put(EncodeHintType.CHARACTER_SET, "UTF8");
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final int multiple = 1;
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final BitMatrix bit = writer.encode(s, BarcodeFormat.QR_CODE, multiple, hints);
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return MatrixToImageWriter.toBufferedImage(bit, fore.getRGB() | 0xFF000000, back.getRGB() | 0xFF000000);
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} catch (Exception e) {
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Log.debug("Cannot create qrcode " + e);
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} finally {
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lock.unlock();
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}
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return null;
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}
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}
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