2004-04-09 09:05:39 -04:00
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/* ====================================================================
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2006-12-22 14:18:16 -05:00
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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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2004-04-09 09:05:39 -04:00
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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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2004-04-09 07:45:38 -04:00
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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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import org.apache.poi.hssf.record.RecordFormatException;
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/**
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* The spgr record defines information about a shape group. Groups in escher
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* are simply another form of shape that you can't physically see.
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*
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* @author Glen Stampoultzis (glens at apache.org)
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*/
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public class EscherSpgrRecord
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extends EscherRecord
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{
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public static final short RECORD_ID = (short) 0xF009;
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public static final String RECORD_DESCRIPTION = "MsofbtSpgr";
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private int field_1_rectX1;
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private int field_2_rectY1;
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private int field_3_rectX2;
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private int field_4_rectY2;
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/**
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* This method deserializes the record from a byte array.
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*
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* @param data The byte array containing the escher record information
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* @param offset The starting offset into <code>data</code>.
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* @param recordFactory May be null since this is not a container record.
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* @return The number of bytes read from the byte array.
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*/
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public int fillFields( byte[] data, int offset, EscherRecordFactory recordFactory )
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{
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int bytesRemaining = readHeader( data, offset );
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int pos = offset + 8;
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int size = 0;
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field_1_rectX1 = LittleEndian.getInt( data, pos + size );size+=4;
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field_2_rectY1 = LittleEndian.getInt( data, pos + size );size+=4;
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field_3_rectX2 = LittleEndian.getInt( data, pos + size );size+=4;
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field_4_rectY2 = LittleEndian.getInt( data, pos + size );size+=4;
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bytesRemaining -= size;
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if (bytesRemaining != 0) throw new RecordFormatException("Expected no remaining bytes but got " + bytesRemaining);
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// remainingData = new byte[bytesRemaining];
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// System.arraycopy( data, pos + size, remainingData, 0, bytesRemaining );
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return 8 + size + bytesRemaining;
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}
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/**
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* This method serializes this escher record into a byte array.
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*
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* @param offset The offset into <code>data</code> to start writing the record data to.
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* @param data The byte array to serialize to.
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* @param listener A listener to retrieve start and end callbacks. Use a <code>NullEscherSerailizationListener</code> to ignore these events.
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* @return The number of bytes written.
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*
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* @see NullEscherSerializationListener
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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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int remainingBytes = 16;
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LittleEndian.putInt( data, offset + 4, remainingBytes );
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LittleEndian.putInt( data, offset + 8, field_1_rectX1 );
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LittleEndian.putInt( data, offset + 12, field_2_rectY1 );
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LittleEndian.putInt( data, offset + 16, field_3_rectX2 );
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LittleEndian.putInt( data, offset + 20, field_4_rectY2 );
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// System.arraycopy( remainingData, 0, data, offset + 26, remainingData.length );
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// int pos = offset + 8 + 18 + remainingData.length;
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listener.afterRecordSerialize( offset + getRecordSize(), getRecordId(), offset + getRecordSize(), this );
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return 8 + 16;
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}
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/**
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* Returns the number of bytes that are required to serialize this record.
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*
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* @return Number of bytes
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*/
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public int getRecordSize()
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{
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return 8 + 16;
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}
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/**
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* The 16 bit identifier of this shape group record.
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*/
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public short getRecordId()
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{
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return RECORD_ID;
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}
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/**
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* The short name for this record
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*/
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public String getRecordName()
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{
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return "Spgr";
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}
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/**
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* @return the string representation of this record.
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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;
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// ByteArrayOutputStream b = new ByteArrayOutputStream();
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// try
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// {
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// HexDump.dump(this.remainingData, 0, b, 0);
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// extraData = b.toString();
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// }
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// catch ( Exception e )
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// {
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// extraData = "error";
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// }
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return getClass().getName() + ":" + nl +
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" RecordId: 0x" + HexDump.toHex(RECORD_ID) + nl +
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" Options: 0x" + HexDump.toHex(getOptions()) + nl +
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" RectX: " + field_1_rectX1 + nl +
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" RectY: " + field_2_rectY1 + nl +
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" RectWidth: " + field_3_rectX2 + nl +
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" RectHeight: " + field_4_rectY2 + nl;
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}
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/**
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* The starting top-left coordinate of child records.
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*/
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public int getRectX1()
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{
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return field_1_rectX1;
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}
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/**
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* The starting top-left coordinate of child records.
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*/
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public void setRectX1( int x1 )
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{
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this.field_1_rectX1 = x1;
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}
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/**
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* The starting top-left coordinate of child records.
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*/
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public int getRectY1()
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{
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return field_2_rectY1;
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}
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/**
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* The starting top-left coordinate of child records.
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*/
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public void setRectY1( int y1 )
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{
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this.field_2_rectY1 = y1;
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}
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/**
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* The starting bottom-right coordinate of child records.
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*/
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public int getRectX2()
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{
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return field_3_rectX2;
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}
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/**
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* The starting bottom-right coordinate of child records.
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*/
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public void setRectX2( int x2 )
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{
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this.field_3_rectX2 = x2;
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}
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/**
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* The starting bottom-right coordinate of child records.
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*/
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public int getRectY2()
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{
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return field_4_rectY2;
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}
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/**
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* The starting bottom-right coordinate of child records.
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*/
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public void setRectY2( int field_4_rectY2 )
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{
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this.field_4_rectY2 = field_4_rectY2;
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}
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}
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