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/protocols/smpp/src/main/java/org/mobicents/protocols/smpp/gsm/ems/BlackAndWhiteBitmapEO.java

http://mobicents.googlecode.com/
Java | 56 lines | 24 code | 6 blank | 26 comment | 3 complexity | 994e294c3c97d64a4e96f21602f9f004 MD5 | raw file
 1/*
 2 * JBoss, Home of Professional Open Source
 3 * Copyright 2011, Red Hat, Inc. and individual contributors
 4 * by the @authors tag. See the copyright.txt in the distribution for a
 5 * full listing of individual contributors.
 6 *
 7 * This is free software; you can redistribute it and/or modify it
 8 * under the terms of the GNU Lesser General Public License as
 9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22
23package org.mobicents.protocols.smpp.gsm.ems;
24
25import java.awt.image.BufferedImage;
26import java.nio.ByteBuffer;
27
28import org.mobicents.protocols.smpp.util.ImageUtils;
29
30/**
31 * A black and white bitmap, as defined by
32 * 3GPP TS 23.040 Annex E.
33 * @version $Id: BlackAndWhiteBitmapEO.java 484 2010-02-08 16:08:50Z orank $
34 */
35public class BlackAndWhiteBitmapEO extends ExtendedObject {
36
37    public BlackAndWhiteBitmapEO(int referenceNum, BufferedImage image) {
38        super(2, referenceNum);
39        setData(createData(image));
40    }
41    
42    private byte[] createData(BufferedImage image) {
43        int width = image.getWidth();
44        int height = image.getHeight();
45        int bytesWidth = (width / 8) + 1;
46        if (width % 8 == 0) {
47            bytesWidth--;
48        }
49        ByteBuffer buffer = ByteBuffer.allocate((height * bytesWidth) + 2);
50        buffer.put((byte) width);
51        buffer.put((byte) height);
52        ImageUtils.imageToBwBitmap(image, buffer);
53        assert buffer.remaining() == 0;
54        return buffer.array();
55    }
56}