/* ====================================================================
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.ddf;
import org.apache.poi.util.
LittleEndian;
/**
* This record simply holds the number of shapes in the drawing group and the
* last shape id used for this drawing group.
*/
public class
EscherDgRecord
extends
EscherRecord
{
public static final short
RECORD_ID = (short) 0xF008;
public static final
String RECORD_DESCRIPTION = "MsofbtDg";
private int
field_1_numShapes;
private int
field_2_lastMSOSPID;
@
Override
public int
fillFields(byte[]
data, int
offset,
EscherRecordFactory recordFactory) {
/*int bytesRemaining =*/
readHeader(
data,
offset );
int
pos =
offset + 8;
int
size = 0;
field_1_numShapes =
LittleEndian.
getInt(
data,
pos +
size );
size += 4;
field_2_lastMSOSPID =
LittleEndian.
getInt(
data,
pos +
size );
size += 4;
// bytesRemaining -= size;
// remainingData = new byte[bytesRemaining];
// System.arraycopy( data, pos + size, remainingData, 0, bytesRemaining );
return
getRecordSize();
}
@
Override
public int
serialize( int
offset, byte[]
data,
EscherSerializationListener listener )
{
listener.
beforeRecordSerialize(
offset,
getRecordId(), this );
LittleEndian.
putShort(
data,
offset,
getOptions() );
LittleEndian.
putShort(
data,
offset + 2,
getRecordId() );
LittleEndian.
putInt(
data,
offset + 4, 8 );
LittleEndian.
putInt(
data,
offset + 8,
field_1_numShapes );
LittleEndian.
putInt(
data,
offset + 12,
field_2_lastMSOSPID );
// System.arraycopy( remainingData, 0, data, offset + 26, remainingData.length );
// int pos = offset + 8 + 18 + remainingData.length;
listener.
afterRecordSerialize(
offset + 16,
getRecordId(),
getRecordSize(), this );
return
getRecordSize();
}
/**
* Returns the number of bytes that are required to serialize this record.
*
* @return Number of bytes
*/
@
Override
public int
getRecordSize()
{
return 8 + 8;
}
@
Override
public short
getRecordId() {
return
RECORD_ID;
}
@
Override
public
String getRecordName() {
return "Dg";
}
/**
* The number of shapes in this drawing group.
*
* @return the number of shapes
*/
public int
getNumShapes()
{
return
field_1_numShapes;
}
/**
* The number of shapes in this drawing group.
*
* @param field_1_numShapes the number of shapes
*/
public void
setNumShapes( int
field_1_numShapes )
{
this.
field_1_numShapes =
field_1_numShapes;
}
/**
* The last shape id used in this drawing group.
*
* @return the last shape id
*/
public int
getLastMSOSPID()
{
return
field_2_lastMSOSPID;
}
/**
* The last shape id used in this drawing group.
*
* @param field_2_lastMSOSPID the last shape id
*/
public void
setLastMSOSPID( int
field_2_lastMSOSPID )
{
this.
field_2_lastMSOSPID =
field_2_lastMSOSPID;
}
/**
* Gets the drawing group id for this record. This is encoded in the
* instance part of the option record.
*
* @return a drawing group id.
*/
public short
getDrawingGroupId()
{
return (short) (
getOptions() >> 4 );
}
/**
* Increments the number of shapes
*/
public void
incrementShapeCount()
{
this.
field_1_numShapes++;
}
@
Override
protected
Object[][]
getAttributeMap() {
return new
Object[][] {
{ "NumShapes",
field_1_numShapes },
{ "LastMSOSPID",
field_2_lastMSOSPID }
};
}
}