| |
| /* ==================================================================== |
| 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 java.util.Map; |
| import java.util.function.Supplier; |
| |
| import org.apache.poi.util.GenericRecordUtil; |
| 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 = EscherRecordTypes.DG.typeID; |
| |
| private int field_1_numShapes; |
| private int field_2_lastMSOSPID; |
| |
| public EscherDgRecord() {} |
| |
| public EscherDgRecord(EscherDgRecord other) { |
| super(other); |
| field_1_numShapes = other.field_1_numShapes; |
| field_2_lastMSOSPID = other.field_2_lastMSOSPID; |
| } |
| |
| |
| @Override |
| public int fillFields(byte[] data, int offset, EscherRecordFactory recordFactory) { |
| 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; |
| 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 ); |
| |
| 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 EscherRecordTypes.DG.recordName; |
| } |
| |
| /** |
| * 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 |
| public Map<String, Supplier<?>> getGenericProperties() { |
| return GenericRecordUtil.getGenericProperties( |
| "base", super::getGenericProperties, |
| "numShapes", this::getNumShapes, |
| "lastMSOSPID", this::getLastMSOSPID, |
| "drawingGroupId", this::getDrawingGroupId |
| ); |
| } |
| |
| @Override |
| public Enum getGenericRecordType() { |
| return EscherRecordTypes.DG; |
| } |
| |
| @Override |
| public EscherDgRecord copy() { |
| return new EscherDgRecord(this); |
| } |
| } |