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 HH.WMS.Utils.ExcelLibrary.BinaryDrawingFormat;
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namespace HH.WMS.Utils.ExcelLibrary.SpreadSheet
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{
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public class Image
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{
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public ushort Format;
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public byte[] Data;
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public Image(byte[] data, ushort imageFormat)
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{
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Data = data;
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Format = imageFormat;
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}
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public string FileExtension
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{
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get { return GetImageFileExtension(this.Format); }
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}
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public static Image FromFile(string filepath)
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{
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byte[] data = File.ReadAllBytes(filepath);
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ushort format = JudgeFromFileExtension(Path.GetExtension(filepath));
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return new Image(data, format);
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}
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public static string GetImageFileExtension(ushort imageForamt)
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{
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switch (imageForamt)
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{
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case EscherRecordType.MsofbtBlipMetafileEMF:
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return ".emf";
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case EscherRecordType.MsofbtBlipMetafileWMF:
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return ".wmf";
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case EscherRecordType.MsofbtBlipBitmapJPEG:
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return ".jpeg";
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case EscherRecordType.MsofbtBlipBitmapPNG:
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return ".png";
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case EscherRecordType.MsofbtBlipBitmapDIB:
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return ".bmp";
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default:
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return "unknown";
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}
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}
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private static ushort JudgeFromFileExtension(string ext)
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{
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switch (ext.ToLower())
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{
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case ".emf":
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return EscherRecordType.MsofbtBlipMetafileEMF;
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case ".wmf":
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return EscherRecordType.MsofbtBlipMetafileWMF;
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case ".jpeg":
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return EscherRecordType.MsofbtBlipBitmapJPEG;
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case ".png":
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return EscherRecordType.MsofbtBlipBitmapPNG;
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case ".bmp":
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return EscherRecordType.MsofbtBlipBitmapDIB;
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default:
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return 0;
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}
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}
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}
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}
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