120 lines
4.8 KiB
Java
120 lines
4.8 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.ddf;
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import org.apache.poi.util.HexDump;
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import org.apache.poi.util.LittleEndian;
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/**
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* @author Glen Stampoultzis
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*/
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public class EscherBitmapBlip extends EscherBlipRecord {
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public static final short RECORD_ID_JPEG = (short) 0xF018 + 5;
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public static final short RECORD_ID_PNG = (short) 0xF018 + 6;
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public static final short RECORD_ID_DIB = (short) 0xF018 + 7;
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private static final int HEADER_SIZE = 8;
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private final byte[] field_1_UID = new byte[16];
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private byte field_2_marker = (byte) 0xFF;
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public int fillFields(byte[] data, int offset, EscherRecordFactory recordFactory) {
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int bytesAfterHeader = readHeader( data, offset );
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int pos = offset + HEADER_SIZE;
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System.arraycopy( data, pos, field_1_UID, 0, 16 ); pos += 16;
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field_2_marker = data[pos]; pos++;
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field_pictureData = new byte[bytesAfterHeader - 17];
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System.arraycopy( data, pos, field_pictureData, 0, field_pictureData.length );
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return bytesAfterHeader + HEADER_SIZE;
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}
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public int serialize( int offset, byte[] data, EscherSerializationListener listener )
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{
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listener.beforeRecordSerialize(offset, getRecordId(), this);
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LittleEndian.putShort( data, offset, getOptions() );
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LittleEndian.putShort( data, offset + 2, getRecordId() );
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LittleEndian.putInt( data, offset + 4, getRecordSize() - HEADER_SIZE );
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int pos = offset + HEADER_SIZE;
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System.arraycopy( field_1_UID, 0, data, pos, 16 );
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data[pos + 16] = field_2_marker;
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System.arraycopy( field_pictureData, 0, data, pos + 17, field_pictureData.length );
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listener.afterRecordSerialize(offset + getRecordSize(), getRecordId(), getRecordSize(), this);
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return HEADER_SIZE + 16 + 1 + field_pictureData.length;
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}
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public int getRecordSize()
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{
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return 8 + 16 + 1 + field_pictureData.length;
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}
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public byte[] getUID()
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{
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return field_1_UID;
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}
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public void setUID( byte[] field_1_UID ) {
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if (field_1_UID == null || field_1_UID.length != 16) {
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throw new IllegalArgumentException("field_1_UID must be byte[16]");
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}
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System.arraycopy(field_1_UID, 0, this.field_1_UID , 0, 16);
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}
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public byte getMarker()
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{
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return field_2_marker;
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}
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public void setMarker( byte field_2_marker )
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{
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this.field_2_marker = field_2_marker;
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}
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public String toString()
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{
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String nl = System.getProperty( "line.separator" );
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String extraData = HexDump.dump(this.field_pictureData, 0, 0);
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return getClass().getName() + ":" + nl +
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" RecordId: 0x" + HexDump.toHex( getRecordId() ) + nl +
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" Version: 0x" + HexDump.toHex( getVersion() ) + nl +
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" Instance: 0x" + HexDump.toHex( getInstance() ) + nl +
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" UID: 0x" + HexDump.toHex( field_1_UID ) + nl +
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" Marker: 0x" + HexDump.toHex( field_2_marker ) + nl +
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" Extra Data:" + nl + extraData;
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}
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@Override
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public String toXml(String tab) {
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String extraData = HexDump.dump(this.field_pictureData, 0, 0);
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StringBuilder builder = new StringBuilder();
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builder.append(tab).append(formatXmlRecordHeader(getClass().getSimpleName(), HexDump.toHex(getRecordId()), HexDump.toHex(getVersion()), HexDump.toHex(getInstance())))
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.append(tab).append("\t").append("<UID>0x").append(HexDump.toHex(field_1_UID)).append("</UID>\n")
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.append(tab).append("\t").append("<Marker>0x").append(HexDump.toHex(field_2_marker)).append("</Marker>\n")
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.append(tab).append("\t").append("<ExtraData>").append(extraData).append("</ExtraData>\n");
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builder.append(tab).append("</").append(getClass().getSimpleName()).append(">\n");
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return builder.toString();
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}
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}
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