You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
388 lines
16 KiB
388 lines
16 KiB
/* ====================================================================
|
|
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.
|
|
==================================================================== */
|
|
|
|
namespace Npoi.Core.DDF
|
|
{
|
|
using Npoi.Core.Util;
|
|
using System;
|
|
using System.IO;
|
|
using System.Text;
|
|
|
|
/// <summary>
|
|
/// The BSE record is related closely to the EscherBlipRecord and stores
|
|
/// extra information about the blip. A blip record is actually stored inside
|
|
/// the BSE record even though the BSE record isn't actually a container record.
|
|
/// @author Glen Stampoultzis
|
|
/// @see EscherBlipRecord
|
|
/// </summary>
|
|
public class EscherBSERecord : EscherRecord
|
|
{
|
|
public const short RECORD_ID = unchecked((short)0xF007);
|
|
public const String RECORD_DESCRIPTION = "MsofbtBSE";
|
|
|
|
public const byte BT_ERROR = 0;
|
|
public const byte BT_UNKNOWN = 1;
|
|
public const byte BT_EMF = 2;
|
|
public const byte BT_WMF = 3;
|
|
public const byte BT_PICT = 4;
|
|
public const byte BT_JPEG = 5;
|
|
public const byte BT_PNG = 6;
|
|
public const byte BT_DIB = 7;
|
|
|
|
private byte field_1_blipTypeWin32;
|
|
private byte field_2_blipTypeMacOS;
|
|
private byte[] field_3_uid; // 16 bytes
|
|
private short field_4_tag;
|
|
private int field_5_size;
|
|
private int field_6_ref;
|
|
private int field_7_offset;
|
|
private byte field_8_usage;
|
|
private byte field_9_name;
|
|
private byte field_10_unused2;
|
|
private byte field_11_unused3;
|
|
private EscherBlipRecord field_12_blipRecord;
|
|
|
|
private byte[] _remainingData;
|
|
|
|
/// <summary>
|
|
/// This method deSerializes the record from a byte array.
|
|
/// </summary>
|
|
/// <param name="data">The byte array containing the escher record information</param>
|
|
/// <param name="offset">The starting offset into data</param>
|
|
/// <param name="recordFactory">May be null since this is not a container record.</param>
|
|
/// <returns>The number of bytes Read from the byte array.</returns>
|
|
public override int FillFields(byte[] data, int offset,
|
|
IEscherRecordFactory recordFactory
|
|
) {
|
|
int bytesRemaining = ReadHeader(data, offset);
|
|
int pos = offset + 8;
|
|
field_1_blipTypeWin32 = data[pos];
|
|
field_2_blipTypeMacOS = data[pos + 1];
|
|
field_3_uid = new byte[16];
|
|
Array.Copy(data, pos + 2, field_3_uid, 0, 16);
|
|
field_4_tag = LittleEndian.GetShort(data, pos + 18);
|
|
field_5_size = LittleEndian.GetInt(data, pos + 20);
|
|
field_6_ref = LittleEndian.GetInt(data, pos + 24);
|
|
field_7_offset = LittleEndian.GetInt(data, pos + 28);
|
|
field_8_usage = data[pos + 32];
|
|
field_9_name = data[pos + 33];
|
|
field_10_unused2 = data[pos + 34];
|
|
field_11_unused3 = data[pos + 35];
|
|
bytesRemaining -= 36;
|
|
int bytesRead = 0;
|
|
if (bytesRemaining > 0) {
|
|
field_12_blipRecord = (EscherBlipRecord)recordFactory.CreateRecord(data, pos + 36);
|
|
bytesRead = field_12_blipRecord.FillFields(data, pos + 36, recordFactory);
|
|
}
|
|
pos += 36 + bytesRead;
|
|
bytesRemaining -= bytesRead;
|
|
|
|
_remainingData = new byte[bytesRemaining];
|
|
Array.Copy(data, pos, _remainingData, 0, bytesRemaining);
|
|
return bytesRemaining + 8 + 36 + (field_12_blipRecord == null ? 0 : field_12_blipRecord.RecordSize);
|
|
}
|
|
|
|
/// <summary>
|
|
/// This method Serializes this escher record into a byte array.
|
|
/// </summary>
|
|
/// <param name="offset">The offset into
|
|
/// data to start writing the record data to</param>
|
|
/// <param name="data">The byte array to Serialize to.</param>
|
|
/// <param name="listener">a listener for begin and end serialization events.</param>
|
|
/// <returns>The number of bytes written.</returns>
|
|
public override int Serialize(int offset, byte[] data, EscherSerializationListener listener) {
|
|
listener.BeforeRecordSerialize(offset, RecordId, this);
|
|
|
|
if (_remainingData == null)
|
|
_remainingData = new byte[0];
|
|
|
|
LittleEndian.PutShort(data, offset, Options);
|
|
LittleEndian.PutShort(data, offset + 2, RecordId);
|
|
if (_remainingData == null) _remainingData = new byte[0];
|
|
int blipSize = field_12_blipRecord == null ? 0 : field_12_blipRecord.RecordSize;
|
|
int remainingBytes = _remainingData.Length + 36 + blipSize;
|
|
LittleEndian.PutInt(data, offset + 4, remainingBytes);
|
|
|
|
data[offset + 8] = field_1_blipTypeWin32;
|
|
data[offset + 9] = field_2_blipTypeMacOS;
|
|
for (int i = 0; i < 16; i++)
|
|
data[offset + 10 + i] = field_3_uid[i];
|
|
LittleEndian.PutShort(data, offset + 26, field_4_tag);
|
|
LittleEndian.PutInt(data, offset + 28, field_5_size);
|
|
LittleEndian.PutInt(data, offset + 32, field_6_ref);
|
|
LittleEndian.PutInt(data, offset + 36, field_7_offset);
|
|
data[offset + 40] = field_8_usage;
|
|
data[offset + 41] = field_9_name;
|
|
data[offset + 42] = field_10_unused2;
|
|
data[offset + 43] = field_11_unused3;
|
|
int bytesWritten = 0;
|
|
if (field_12_blipRecord != null) {
|
|
bytesWritten = field_12_blipRecord.Serialize(offset + 44, data);
|
|
}
|
|
if (_remainingData == null)
|
|
_remainingData = new byte[0];
|
|
Array.Copy(_remainingData, 0, data, offset + 44 + bytesWritten, _remainingData.Length);
|
|
int pos = offset + 8 + 36 + _remainingData.Length + bytesWritten;
|
|
|
|
listener.AfterRecordSerialize(pos, RecordId, pos - offset, this);
|
|
return pos - offset;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns the number of bytes that are required to Serialize this record.
|
|
/// </summary>
|
|
/// <value>Number of bytes</value>
|
|
public override int RecordSize {
|
|
get
|
|
{
|
|
int field_12_size = 0;
|
|
if (field_12_blipRecord != null) {
|
|
field_12_size = field_12_blipRecord.RecordSize;
|
|
}
|
|
int remaining_size = 0;
|
|
if (_remainingData != null) {
|
|
remaining_size = _remainingData.Length;
|
|
}
|
|
return 8 + 1 + 1 + 16 + 2 + 4 + 4 + 4 + 1 + 1 +
|
|
1 + 1 + field_12_size + remaining_size;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// The short name for this record
|
|
/// </summary>
|
|
/// <value></value>
|
|
public override String RecordName {
|
|
get { return "BSE"; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets the expected blip type under windows (failure to match this blip type will result in
|
|
/// Excel converting to this format).
|
|
/// </summary>
|
|
/// <value>The blip type win32.</value>
|
|
public byte BlipTypeWin32 {
|
|
get { return field_1_blipTypeWin32; }
|
|
set { field_1_blipTypeWin32 = value; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets the expected blip type under MacOS (failure to match this blip type will result in
|
|
/// Excel converting to this format).
|
|
/// </summary>
|
|
/// <value>The blip type mac OS.</value>
|
|
public byte BlipTypeMacOS {
|
|
get { return field_2_blipTypeMacOS; }
|
|
set { field_2_blipTypeMacOS = value; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets 16 byte MD4 checksum.
|
|
/// </summary>
|
|
/// <value>The UID.</value>
|
|
public byte[] UID {
|
|
get { return field_3_uid; }
|
|
set { field_3_uid = value; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets the tag. (Unused)
|
|
/// </summary>
|
|
/// <value>The tag.</value>
|
|
public short Tag {
|
|
get { return field_4_tag; }
|
|
set { field_4_tag = value; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets Blip size in stream..
|
|
/// </summary>
|
|
/// <value>The size.</value>
|
|
public int Size {
|
|
get { return field_5_size; }
|
|
set { field_5_size = value; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets the reference count of this blip.
|
|
/// </summary>
|
|
/// <value>The ref.</value>
|
|
public int Ref {
|
|
get { return field_6_ref; }
|
|
set { field_6_ref = value; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets the offset in the delay stream..
|
|
/// </summary>
|
|
/// <value>The offset.</value>
|
|
public int Offset {
|
|
get { return field_7_offset; }
|
|
set { field_7_offset = value; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Defines the way this blip is used.
|
|
/// </summary>
|
|
/// <value>The usage.</value>
|
|
public byte Usage {
|
|
get { return field_8_usage; }
|
|
set { field_8_usage = value; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets the blip name.
|
|
/// </summary>
|
|
/// <value>The name.</value>
|
|
public byte Name {
|
|
get { return field_9_name; }
|
|
set { field_9_name = value; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets the unused2.
|
|
/// </summary>
|
|
/// <value>The unused2.</value>
|
|
public byte Unused2 {
|
|
get { return field_10_unused2; }
|
|
set { field_10_unused2 = value; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets the unused3.
|
|
/// </summary>
|
|
/// <value>The unused3.</value>
|
|
public byte Unused3 {
|
|
get { return field_11_unused3; }
|
|
set { field_11_unused3 = value; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets the blip record.
|
|
/// </summary>
|
|
/// <value>The blip record.</value>
|
|
public EscherBlipRecord BlipRecord {
|
|
get { return field_12_blipRecord; }
|
|
set { field_12_blipRecord = value; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets any remaining data in this record.
|
|
/// </summary>
|
|
/// <value>The remaining data.</value>
|
|
public byte[] RemainingData {
|
|
get { return _remainingData; }
|
|
set { _remainingData = value; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a <see cref="T:System.String"/> that represents the current <see cref="T:System.Object"/>.
|
|
/// </summary>
|
|
/// <returns>
|
|
/// A <see cref="T:System.String"/> that represents the current <see cref="T:System.Object"/>.
|
|
/// </returns>
|
|
public override String ToString() {
|
|
String nl = Environment.NewLine;
|
|
|
|
String extraData;
|
|
using (MemoryStream b = new MemoryStream()) {
|
|
try {
|
|
HexDump.Dump(this._remainingData, 0, b, 0);
|
|
//extraData = b.ToString();
|
|
extraData = Encoding.UTF8.GetString(b.ToArray());
|
|
}
|
|
catch (Exception e) {
|
|
extraData = e.ToString();
|
|
}
|
|
return GetType().Name + ":" + nl +
|
|
" RecordId: 0x" + HexDump.ToHex(RECORD_ID) + nl +
|
|
" Version: 0x" + HexDump.ToHex(Version) + '\n' +
|
|
" Instance: 0x" + HexDump.ToHex(Instance) + '\n' +
|
|
" BlipTypeWin32: " + field_1_blipTypeWin32 + nl +
|
|
" BlipTypeMacOS: " + field_2_blipTypeMacOS + nl +
|
|
" SUID: " + HexDump.ToHex(field_3_uid) + nl +
|
|
" Tag: " + field_4_tag + nl +
|
|
" Size: " + field_5_size + nl +
|
|
" Ref: " + field_6_ref + nl +
|
|
" Offset: " + field_7_offset + nl +
|
|
" Usage: " + field_8_usage + nl +
|
|
" Name: " + field_9_name + nl +
|
|
" Unused2: " + field_10_unused2 + nl +
|
|
" Unused3: " + field_11_unused3 + nl +
|
|
" blipRecord: " + (field_12_blipRecord == null ? "null" : field_12_blipRecord.ToString()) + nl +
|
|
" Extra Data:" + nl + extraData;
|
|
}
|
|
}
|
|
|
|
public override String ToXml(string tab) {
|
|
StringBuilder builder = new StringBuilder();
|
|
builder.Append(tab).Append(FormatXmlRecordHeader(GetType().Name, HexDump.ToHex(RecordId), HexDump.ToHex(Version), HexDump.ToHex(Instance)))
|
|
.Append(tab).Append("\t").Append("<BlipTypeWin32>").Append(field_1_blipTypeWin32).Append("</BlipTypeWin32>\n")
|
|
.Append(tab).Append("\t").Append("<BlipTypeMacOS>").Append(field_2_blipTypeMacOS).Append("</BlipTypeMacOS>\n")
|
|
.Append(tab).Append("\t").Append("<SUID>").Append(field_3_uid == null ? "" : HexDump.ToHex(field_3_uid)).Append("</SUID>\n")
|
|
.Append(tab).Append("\t").Append("<Tag>").Append(field_4_tag).Append("</Tag>\n")
|
|
.Append(tab).Append("\t").Append("<Size>").Append(field_5_size).Append("</Size>\n")
|
|
.Append(tab).Append("\t").Append("<Ref>").Append(field_6_ref).Append("</Ref>\n")
|
|
.Append(tab).Append("\t").Append("<Offset>").Append(field_7_offset).Append("</Offset>\n")
|
|
.Append(tab).Append("\t").Append("<Usage>").Append(field_8_usage).Append("</Usage>\n")
|
|
.Append(tab).Append("\t").Append("<Name>").Append(field_9_name).Append("</Name>\n")
|
|
.Append(tab).Append("\t").Append("<Unused2>").Append(field_10_unused2).Append("</Unused2>\n")
|
|
.Append(tab).Append("\t").Append("<Unused3>").Append(field_11_unused3).Append("</Unused3>\n");
|
|
builder.Append(tab).Append("</").Append(GetType().Name).Append(">\n");
|
|
return builder.ToString();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Retrieve the string representation given a blip id.
|
|
/// </summary>
|
|
/// <param name="b">The b.</param>
|
|
/// <returns></returns>
|
|
public String GetBlipType(byte b) {
|
|
switch (b) {
|
|
case BT_ERROR:
|
|
return " ERROR";
|
|
|
|
case BT_UNKNOWN:
|
|
return " UNKNOWN";
|
|
|
|
case BT_EMF:
|
|
return " EMF";
|
|
|
|
case BT_WMF:
|
|
return " WMF";
|
|
|
|
case BT_PICT:
|
|
return " PICT";
|
|
|
|
case BT_JPEG:
|
|
return " JPEG";
|
|
|
|
case BT_PNG:
|
|
return " PNG";
|
|
|
|
case BT_DIB:
|
|
return " DIB";
|
|
|
|
default:
|
|
if (b < 32)
|
|
return " NotKnown";
|
|
else
|
|
return " Client";
|
|
}
|
|
}
|
|
}
|
|
}
|