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/* ====================================================================
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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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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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namespace HH.WMS.Utils.NPOI.DDF
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{
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using System;
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using System.Text;
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using System.Collections;
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using HH.WMS.Utils.NPOI.Util;
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using System.IO;
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/// <summary>
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/// The escher child achor record is used to specify the position of a shape under an
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/// existing group. The first level of shape records use a EscherClientAnchor record instead.
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/// @author Glen Stampoultzis
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/// </summary>
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public class EscherChildAnchorRecord : EscherRecord
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{
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public const short RECORD_ID = unchecked((short)0xF00F);
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public const String RECORD_DESCRIPTION = "MsofbtChildAnchor";
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private int field_1_dx1;
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private int field_2_dy1;
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private int field_3_dx2;
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private int field_4_dy2;
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/// <summary>
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/// This method deSerializes the record from a byte array.
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/// </summary>
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/// <param name="data">The byte array containing the escher record information</param>
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/// <param name="offset">The starting offset into data</param>
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/// <param name="recordFactory">May be null since this is not a container record.</param>
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/// <returns>The number of bytes Read from the byte array.</returns>
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public override 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_dx1 = LittleEndian.GetInt(data, pos + size); size += 4;
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field_2_dy1 = LittleEndian.GetInt(data, pos + size); size += 4;
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field_3_dx2 = LittleEndian.GetInt(data, pos + size); size += 4;
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field_4_dy2 = LittleEndian.GetInt(data, pos + size); size += 4;
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return 8 + size;
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}
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/// <summary>
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/// This method Serializes this escher record into a byte array.
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/// </summary>
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/// <param name="offset">The offset into data to start writing the record data to.</param>
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/// <param name="data">The byte array to Serialize to.</param>
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/// <param name="listener">a listener for begin and end serialization events.</param>
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/// <returns>The number of bytes written.</returns>
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public override int Serialize(int offset, byte[] data, EscherSerializationListener listener)
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{
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listener.BeforeRecordSerialize(offset, RecordId, this);
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int pos = offset;
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LittleEndian.PutShort(data, pos, Options); pos += 2;
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LittleEndian.PutShort(data, pos, RecordId); pos += 2;
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LittleEndian.PutInt(data, pos, RecordSize - 8); pos += 4;
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LittleEndian.PutInt(data, pos, field_1_dx1); pos += 4;
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LittleEndian.PutInt(data, pos, field_2_dy1); pos += 4;
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LittleEndian.PutInt(data, pos, field_3_dx2); pos += 4;
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LittleEndian.PutInt(data, pos, field_4_dy2); pos += 4;
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listener.AfterRecordSerialize(pos, RecordId, pos - offset, this);
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return pos - offset;
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}
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/// <summary>
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/// Returns the number of bytes that are required to Serialize this record.
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/// </summary>
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/// <value>Number of bytes</value>
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public override int RecordSize
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{
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get { return 8 + 4 * 4; }
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}
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/// <summary>
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/// The record id for the EscherChildAnchorRecord.
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/// </summary>
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/// <value></value>
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public override short RecordId
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{
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get { return RECORD_ID; }
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}
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/// <summary>
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/// The short name for this record
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/// </summary>
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/// <value></value>
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public override String RecordName
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{
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get { return "ChildAnchor"; }
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}
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/// <summary>
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/// Returns a <see cref="T:System.String"/> that represents the current <see cref="T:System.Object"/>.
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/// </summary>
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/// <returns>
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/// A <see cref="T:System.String"/> that represents the current <see cref="T:System.Object"/>.
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/// </returns>
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public override String ToString()
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{
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String nl = Environment.NewLine;
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return GetType().Name + ":" + nl +
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" RecordId: 0x" + HexDump.ToHex(RECORD_ID) + nl +
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" Options: 0x" + HexDump.ToHex(Options) + nl +
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" X1: " + field_1_dx1 + nl +
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" Y1: " + field_2_dy1 + nl +
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" X2: " + field_3_dx2 + nl +
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" Y2: " + field_4_dy2 + nl;
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}
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/// <summary>
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/// Gets or sets offset within the parent coordinate space for the top left point.
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/// </summary>
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/// <value>The DX1.</value>
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public int Dx1
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{
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get { return field_1_dx1; }
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set { this.field_1_dx1 = value; }
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}
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/// <summary>
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/// Gets or sets the offset within the parent coordinate space for the top left point.
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/// </summary>
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/// <value>The dy1.</value>
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public int Dy1
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{
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get { return field_2_dy1; }
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set { field_2_dy1 = value; }
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}
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/// <summary>
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/// Gets or sets the offset within the parent coordinate space for the bottom right point.
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/// </summary>
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/// <value>The DX2.</value>
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public int Dx2
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{
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get { return field_3_dx2; }
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set { field_3_dx2 = value; }
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}
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/// <summary>
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/// Gets or sets the offset within the parent coordinate space for the bottom right point.
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/// </summary>
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/// <value>The dy2.</value>
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public int Dy2
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{
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get { return field_4_dy2; }
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set { field_4_dy2 = value; }
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}
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}
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}
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