【实例简介】

【实例截图】

【核心代码】

using BitMiracle.LibTiff.Classic;

using System.Drawing;

using System.Drawing.Imaging;

using System.IO;

using NPOI.SS.Util;

namespace ConsoleApplication2

{

class Program

{

//C:\Users\Administrator\Desktop\

static void Main(string[] args)

{

MemoryStream ms = new MemoryStream();

using (Tiff tif = Tiff.ClientOpen(@"in-memory", "w", ms, new TiffStream()))

{

string imgpath = @"C:\Users\SJ\Desktop\新建文件夹";

string[] fl = System.IO.Directory.GetFiles(imgpath);

//DecimalFormat mFormat = new DecimalFormat("000");

//for (int i = 0; i < fl.Length; i )

//{

// FileInfo fi = new FileInfo(fl[i]);

// if (fi.Exists)

// {

// fi.MoveTo(fl[i].Replace("png", "jpg"));

// }

// fl[i] = fl[i].Replace("png", "jpg");

//}

foreach (var item in System.IO.Directory.GetFiles(imgpath))//

//foreach (var item in fl)//

{

using (Bitmap bmp = new Bitmap(item))

{

tif.SetField(TiffTag.PLANARCONFIG, PlanarConfig.CONTIG);

tif.SetField(TiffTag.IMAGEWIDTH, bmp.Width);

tif.SetField(TiffTag.IMAGELENGTH, bmp.Height);

tif.SetField(TiffTag.COMPRESSION, Compression.JPEG);

tif.SetField(TiffTag.PHOTOMETRIC, Photometric.YCBCR);

tif.SetField(TiffTag.YCBCRSUBSAMPLING, 2, 2);

tif.SetField(TiffTag.BITSPERSAMPLE, 8);

tif.SetField(TiffTag.SAMPLESPERPIXEL, 3);

tif.SetField(TiffTag.ROWSPERSTRIP, bmp.Height);

var data = GetImage(bmp);

tif.WriteRawStrip(0, data, data.Length);

}

tif.WriteDirectory();

}

System.IO.FileStream fs = new FileStream(@"C:\Users\SJ\Desktop\aaa.tif", FileMode.Create);

ms.Seek(0, SeekOrigin.Begin);

fs.Write(ms.ToArray(), 0, (int)ms.Length);

fs.Close();

//foreach (string f in System.IO.Directory.GetFiles(imgpath))

//{

// //删除文件

// File.Delete(f);

//}

}

}

static byte[] GetImage(Bitmap bmp)

{

System.IO.MemoryStream ms = new System.IO.MemoryStream();

bmp.Save(ms, ImageFormat.Jpeg);

return ms.ToArray();

}

}

}