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- /* ====================================================================
- Licensed to the Apache Software Foundation (ASF) under one or more
- contributor license agreements. See the NOTICE file distributed with
- this work for additional information regarding copyright ownership.
- The ASF licenses this file to You under the Apache License, Version 2.0
- (the "License"); you may not use this file except in compliance with
- the License. You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
- ==================================================================== */
- package org.apache.poi.hwpf.model;
-
- import java.util.LinkedList;
- import java.util.List;
-
- import org.apache.poi.ddf.DefaultEscherRecordFactory;
- import org.apache.poi.ddf.EscherContainerRecord;
- import org.apache.poi.ddf.EscherRecord;
- import org.apache.poi.hwpf.model.types.PICFAbstractType;
- import org.apache.poi.util.Internal;
- import org.apache.poi.util.LittleEndian;
-
- @Internal
- public class PICFAndOfficeArtData
- {
-
- //arbitrarily selected; may need to increase
- private static final int MAX_RECORD_LENGTH = 100_000;
-
- private List<EscherRecord> _blipRecords;
-
- private short _cchPicName;
-
- private PICF _picf;
-
- private EscherContainerRecord _shape;
-
- private byte[] _stPicName;
-
- public PICFAndOfficeArtData( byte[] dataStream, int startOffset )
- {
- int offset = startOffset;
-
- _picf = new PICF( dataStream, offset );
- offset += PICFAbstractType.getSize();
-
- if ( _picf.getMm() == 0x0066 )
- {
- _cchPicName = LittleEndian.getUByte( dataStream, offset );
- offset += 1;
-
- _stPicName = LittleEndian.getByteArray( dataStream, offset,
- _cchPicName, MAX_RECORD_LENGTH);
- offset += _cchPicName;
- }
-
- final DefaultEscherRecordFactory escherRecordFactory = new DefaultEscherRecordFactory();
- _shape = new EscherContainerRecord();
- int recordSize = _shape.fillFields( dataStream, offset,
- escherRecordFactory );
- offset += recordSize;
-
- _blipRecords = new LinkedList<>();
- while ( ( offset - startOffset ) < _picf.getLcb() )
- {
- EscherRecord nextRecord = escherRecordFactory.createRecord(
- dataStream, offset );
- if ( nextRecord.getRecordId() != (short) 0xF007
- && ( nextRecord.getRecordId() < (short) 0xF018 || nextRecord
- .getRecordId() > (short) 0xF117 ) )
- break;
-
- int blipRecordSize = nextRecord.fillFields( dataStream, offset,
- escherRecordFactory );
- offset += blipRecordSize;
-
- _blipRecords.add( nextRecord );
- }
- }
-
- public List<EscherRecord> getBlipRecords()
- {
- return _blipRecords;
- }
-
- public PICF getPicf()
- {
- return _picf;
- }
-
- public EscherContainerRecord getShape()
- {
- return _shape;
- }
-
- public byte[] getStPicName()
- {
- return _stPicName;
- }
- }
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