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187 lines
8.2 KiB
187 lines
8.2 KiB
/* ====================================================================
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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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using System.Text;
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namespace Npoi.Core.DDF
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{
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using Npoi.Core.Util;
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using System;
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/// <summary>
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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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/// @author Glen Stampoultzis (glens at apache.org)
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/// </summary>
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public class EscherSpgrRecord : EscherRecord
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{
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public const short RECORD_ID = unchecked((short)0xF009);
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public const 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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/// <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, IEscherRecordFactory recordFactory) {
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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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// Array.Copy( data, pos + size, remainingData, 0, bytesRemaining );
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return 8 + size + bytesRemaining;
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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
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/// 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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listener.BeforeRecordSerialize(offset, RecordId, this);
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LittleEndian.PutShort(data, offset, Options);
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LittleEndian.PutShort(data, offset + 2, RecordId);
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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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// Array.Copy( 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 + RecordSize, RecordId, offset + RecordSize, this);
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return 8 + 16;
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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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get { return 8 + 16; }
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}
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/// <summary>
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/// Return the current record id.
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/// </summary>
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/// <value>The 16 bit identifier of this shape group record.</value>
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public override short RecordId {
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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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get { return "Spgr"; }
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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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String nl = Environment.NewLine;
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// String extraData;
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// MemoryStream b = new MemoryStream();
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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 GetType().Name + ":" + nl +
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" RecordId: 0x" + HexDump.ToHex(RECORD_ID) + nl +
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" Version: 0x" + HexDump.ToHex(Version) + nl +
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" Instance: 0x" + HexDump.ToHex(Instance) + 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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public override String ToXml(string tab) {
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StringBuilder builder = new StringBuilder();
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builder.Append(tab).Append(FormatXmlRecordHeader(GetType().Name, HexDump.ToHex(RecordId), HexDump.ToHex(Version), HexDump.ToHex(Instance)))
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.Append(tab).Append("\t").Append("<RectX>").Append(field_1_rectX1).Append("</RectX>\n")
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.Append(tab).Append("\t").Append("<RectY>").Append(field_2_rectY1).Append("</RectY>\n")
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.Append(tab).Append("\t").Append("<RectWidth>").Append(field_3_rectX2).Append("</RectWidth>\n")
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.Append(tab).Append("\t").Append("<RectHeight>").Append(field_4_rectY2).Append("</RectHeight>\n");
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builder.Append(tab).Append("</").Append(GetType().Name).Append(">\n");
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return builder.ToString();
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}
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/// <summary>
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/// Gets or sets the starting top-left coordinate of child records.
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/// </summary>
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/// <value>The rect x1.</value>
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public int RectX1 {
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get { return field_1_rectX1; }
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set { field_1_rectX1 = value; }
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}
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/// <summary>
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/// Gets or sets the starting bottom-right coordinate of child records.
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/// </summary>
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/// <value>The rect x2.</value>
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public int RectX2 {
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get { return field_3_rectX2; }
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set { field_3_rectX2 = value; }
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}
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/// <summary>
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/// Gets or sets the starting top-left coordinate of child records.
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/// </summary>
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/// <value>The rect y1.</value>
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public int RectY1 {
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get { return field_2_rectY1; }
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set { field_2_rectY1 = value; }
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}
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/// <summary>
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/// Gets or sets the starting bottom-right coordinate of child records.
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/// </summary>
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/// <value>The rect y2.</value>
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public int RectY2 {
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get { return field_4_rectY2; }
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set { field_4_rectY2 = value; }
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}
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}
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}
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