| |
| /* ==================================================================== |
| 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.HexDump; |
| 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"; |
| } |
| |
| /** |
| * Returns the string representation of this record. |
| */ |
| @Override |
| public String toString() { |
| return getClass().getName() + ":" + '\n' + |
| " RecordId: 0x" + HexDump.toHex(RECORD_ID) + '\n' + |
| " Version: 0x" + HexDump.toHex(getVersion()) + '\n' + |
| " Instance: 0x" + HexDump.toHex(getInstance()) + '\n' + |
| " NumShapes: " + field_1_numShapes + '\n' + |
| " LastMSOSPID: " + field_2_lastMSOSPID + '\n'; |
| } |
| |
| @Override |
| public String toXml(String tab) { |
| StringBuilder builder = new StringBuilder(); |
| builder.append(tab).append(formatXmlRecordHeader(getClass().getSimpleName(), HexDump.toHex(getRecordId()), HexDump.toHex(getVersion()), HexDump.toHex(getInstance()))) |
| .append(tab).append("\t").append("<NumShapes>").append(field_1_numShapes).append("</NumShapes>\n") |
| .append(tab).append("\t").append("<LastMSOSPID>").append(field_2_lastMSOSPID).append("</LastMSOSPID>\n"); |
| builder.append(tab).append("</").append(getClass().getSimpleName()).append(">\n"); |
| return builder.toString(); |
| } |
| |
| /** |
| * 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++; |
| } |
| } |