using System;
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using System.Collections.Generic;
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using System.Text;
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using System.IO;
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using QiHe.CodeLib;
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namespace HH.WMS.Utils.ExcelLibrary.BinaryDrawingFormat
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{
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/// <summary>
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/// File BLIP Store Entry
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/// </summary>
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public partial class MsofbtBSE : EscherRecord
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{
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public string BlipName;
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public MsofbtBlip BlipRecord;
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public byte[] ImageData;
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public byte[] ExtraData;
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internal void SetBlipType(ushort imageFormat)
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{
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byte bliptype = BlipType.FromImageFormat(imageFormat);
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Instance = bliptype;
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BlipTypeWin32 = bliptype;
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BlipTypeMacOS = bliptype;
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BlipRecord.Instance = BlipSignature.FromBlipType(bliptype);
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}
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public override void Decode()
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{
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MemoryStream stream = new MemoryStream(Data);
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BinaryReader reader = new BinaryReader(stream);
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BlipTypeWin32 = reader.ReadByte();
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BlipTypeMacOS = reader.ReadByte();
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UID = new Guid(reader.ReadBytes(16));
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Tag = reader.ReadUInt16();
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BlipSize = reader.ReadUInt32();
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Ref = reader.ReadInt32();
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Offset = reader.ReadInt32();
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Usage = reader.ReadByte();
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NameLength = reader.ReadByte();
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Unused2 = reader.ReadByte();
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Unused3 = reader.ReadByte();
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if (NameLength > 0)
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{
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BlipName = Encoding.Unicode.GetString(reader.ReadBytes(NameLength));
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}
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if (stream.Position < stream.Length)
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{
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BlipRecord = EscherRecord.Read(stream) as MsofbtBlip;
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if (BlipRecord != null)
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{
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BlipRecord.Decode();
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this.ImageData = BlipRecord.ImageData;
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}
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else
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{
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throw new Exception("Image Type Not supported.");
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}
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}
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if (stream.Position < stream.Length)
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{
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ExtraData = StreamHelper.ReadToEnd(stream);
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}
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}
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public override void Encode()
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{
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this.BlipRecord.Encode();
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this.BlipSize = BlipRecord.Size + 8;
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if (BlipName != null) NameLength = (byte)BlipName.Length;
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MemoryStream stream = new MemoryStream();
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BinaryWriter writer = new BinaryWriter(stream);
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writer.Write(BlipTypeWin32);
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writer.Write(BlipTypeMacOS);
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writer.Write(UID.ToByteArray());
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writer.Write(Tag);
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writer.Write(BlipSize);
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writer.Write(Ref);
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writer.Write(Offset);
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writer.Write(Usage);
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writer.Write(NameLength);
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writer.Write(Unused2);
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writer.Write(Unused3);
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if (NameLength > 0)
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{
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writer.Write(Encoding.Unicode.GetBytes(BlipName));
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}
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this.BlipRecord.Write(writer);
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this.Data = stream.ToArray();
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this.Size = (UInt16)Data.Length;
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base.Encode();
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}
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}
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}
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