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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.hssf.model;
import org.apache.poi.ddf.*;
import org.apache.poi.hssf.record.ObjRecord;
import org.apache.poi.hssf.record.EscherAggregate;
import org.apache.poi.hssf.record.CommonObjectDataSubRecord;
import org.apache.poi.hssf.record.EndSubRecord;
import org.apache.poi.hssf.usermodel.HSSFShape;
import org.apache.poi.hssf.usermodel.HSSFPolygon;
import org.apache.poi.util.LittleEndian;
public class PolygonShape
extends AbstractShape
{
public final static short OBJECT_TYPE_MICROSOFT_OFFICE_DRAWING = 30;
private EscherContainerRecord spContainer;
private ObjRecord objRecord;
/**
* Creates the low evel records for an polygon.
*
* @param hssfShape The highlevel shape.
* @param shapeId The shape id to use for this shape.
*/
PolygonShape( HSSFPolygon hssfShape, int shapeId )
{
spContainer = createSpContainer( hssfShape, shapeId );
objRecord = createObjRecord( hssfShape, shapeId );
}
/**
* Generates the shape records for this shape.
*
*/
private EscherContainerRecord createSpContainer( HSSFPolygon hssfShape, int shapeId )
{
HSSFShape shape = hssfShape;
EscherContainerRecord spContainer = new EscherContainerRecord();
EscherSpRecord sp = new EscherSpRecord();
EscherOptRecord opt = new EscherOptRecord();
EscherClientDataRecord clientData = new EscherClientDataRecord();
spContainer.setRecordId( EscherContainerRecord.SP_CONTAINER );
spContainer.setOptions( (short) 0x000F );
sp.setRecordId( EscherSpRecord.RECORD_ID );
sp.setOptions( (short) ( ( EscherAggregate.ST_DONUT << 4 ) | 0x2 ) );
sp.setShapeId( shapeId );
if (hssfShape.getParent() == null)
sp.setFlags( EscherSpRecord.FLAG_HAVEANCHOR | EscherSpRecord.FLAG_HASSHAPETYPE );
else
sp.setFlags( EscherSpRecord.FLAG_CHILD | EscherSpRecord.FLAG_HAVEANCHOR | EscherSpRecord.FLAG_HASSHAPETYPE );
opt.setRecordId( EscherOptRecord.RECORD_ID );
opt.addEscherProperty(new EscherSimpleProperty(EscherProperties.TRANSFORM__ROTATION, false, false, 0));
opt.addEscherProperty(new EscherSimpleProperty(EscherProperties.GEOMETRY__RIGHT, false, false, hssfShape.getDrawAreaWidth()));
opt.addEscherProperty(new EscherSimpleProperty(EscherProperties.GEOMETRY__BOTTOM, false, false, hssfShape.getDrawAreaHeight()));
opt.addEscherProperty(new EscherShapePathProperty(EscherProperties.GEOMETRY__SHAPEPATH, EscherShapePathProperty.COMPLEX));
EscherArrayProperty verticesProp = new EscherArrayProperty(EscherProperties.GEOMETRY__VERTICES, false, new byte[0] );
verticesProp.setNumberOfElementsInArray(hssfShape.getXPoints().length+1);
verticesProp.setNumberOfElementsInMemory(hssfShape.getXPoints().length+1);
verticesProp.setSizeOfElements(0xFFF0);
for (int i = 0; i < hssfShape.getXPoints().length; i++)
{
byte[] data = new byte[4];
LittleEndian.putShort(data, 0, (short)hssfShape.getXPoints()[i]);
LittleEndian.putShort(data, 2, (short)hssfShape.getYPoints()[i]);
verticesProp.setElement(i, data);
}
int point = hssfShape.getXPoints().length;
byte[] data = new byte[4];
LittleEndian.putShort(data, 0, (short)hssfShape.getXPoints()[0]);
LittleEndian.putShort(data, 2, (short)hssfShape.getYPoints()[0]);
verticesProp.setElement(point, data);
opt.addEscherProperty(verticesProp);
EscherArrayProperty segmentsProp = new EscherArrayProperty(EscherProperties.GEOMETRY__SEGMENTINFO, false, null );
segmentsProp.setSizeOfElements(0x0002);
segmentsProp.setNumberOfElementsInArray(hssfShape.getXPoints().length * 2 + 4);
segmentsProp.setNumberOfElementsInMemory(hssfShape.getXPoints().length * 2 + 4);
segmentsProp.setElement(0, new byte[] { (byte)0x00, (byte)0x40 } );
segmentsProp.setElement(1, new byte[] { (byte)0x00, (byte)0xAC } );
for (int i = 0; i < hssfShape.getXPoints().length; i++)
{
segmentsProp.setElement(2 + i * 2, new byte[] { (byte)0x01, (byte)0x00 } );
segmentsProp.setElement(3 + i * 2, new byte[] { (byte)0x00, (byte)0xAC } );
}
segmentsProp.setElement(segmentsProp.getNumberOfElementsInArray() - 2, new byte[] { (byte)0x01, (byte)0x60 } );
segmentsProp.setElement(segmentsProp.getNumberOfElementsInArray() - 1, new byte[] { (byte)0x00, (byte)0x80 } );
opt.addEscherProperty(segmentsProp);
opt.addEscherProperty(new EscherSimpleProperty(EscherProperties.GEOMETRY__FILLOK, false, false, 0x00010001));
opt.addEscherProperty(new EscherSimpleProperty(EscherProperties.LINESTYLE__LINESTARTARROWHEAD, false, false, 0x0));
opt.addEscherProperty(new EscherSimpleProperty(EscherProperties.LINESTYLE__LINEENDARROWHEAD, false, false, 0x0));
opt.addEscherProperty(new EscherSimpleProperty(EscherProperties.LINESTYLE__LINEENDCAPSTYLE, false, false, 0x0));
addStandardOptions(shape, opt);
EscherRecord anchor = createAnchor( shape.getAnchor() );
clientData.setRecordId( EscherClientDataRecord.RECORD_ID );
clientData.setOptions( (short) 0x0000 );
spContainer.addChildRecord( sp );
spContainer.addChildRecord( opt );
spContainer.addChildRecord( anchor );
spContainer.addChildRecord( clientData );
return spContainer;
}
/**
* Creates the low level OBJ record for this shape.
*/
private ObjRecord createObjRecord( HSSFShape hssfShape, int shapeId )
{
HSSFShape shape = hssfShape;
ObjRecord obj = new ObjRecord();
CommonObjectDataSubRecord c = new CommonObjectDataSubRecord();
c.setObjectType( OBJECT_TYPE_MICROSOFT_OFFICE_DRAWING );
c.setObjectId( (short) ( shapeId ) );
c.setLocked( true );
c.setPrintable( true );
c.setAutofill( true );
c.setAutoline( true );
EndSubRecord e = new EndSubRecord();
obj.addSubRecord( c );
obj.addSubRecord( e );
return obj;
}
public EscherContainerRecord getSpContainer()
{
return spContainer;
}
public ObjRecord getObjRecord()
{
return objRecord;
}
}
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