private void UploadFile(HttpContext context, string filename)
{
var file = context.Request.Files[0];
using (var outStream = new FileStream(filename, FileMode.CreateNew, FileAccess.ReadWrite))
{
using (var ms = new MemoryStream())
{
file.InputStream.CopyTo(ms);
ms.Seek(0, 0);
var decoder = RegisteredDecoders.GetDecoder(ms);
if (decoder is TiffDecoder || decoder is PdfDecoder || decoder is OfficeDecoder)
{
ms.CopyTo(outStream);
}
else
{
var ic = new ImageCollection(ms, null);
var tiffEncoder = new TiffEncoder();
ic.Save(outStream, tiffEncoder, null);
}
}
}
}
private void OnPageTextRequested(object sender, PageTextRequestedEventArgs pageTextRequestedEventArgs)
{
var serverPath = HttpContext.Current.Server.MapPath(pageTextRequestedEventArgs.FilePath);
if (File.Exists(serverPath))
{
using (var stream = File.OpenRead(serverPath))
{
try
{
var decoder = RegisteredDecoders.GetDecoder(stream) as ITextFormatDecoder;
if (decoder != null)
{
using (var extractor = new SegmentedTextTranslator(decoder.GetTextDocument(stream)))
{
// for documents that have comlicated structure, i.e. consist from the isolated pieces of text, or table structure
// it's possible to configure nearby text blocks are combined into text segments(text containers that provide
// selection isolated from other document content)
extractor.RegionDetection = TextRegionDetectionMode.BlockDetection;
// each block boundaries inflated to one average character width and two average character height
// and all intersecting blocks are combined into single segment.
// Having vertical ratio bigger then horizontal behaves better on column-layout documents.
extractor.BlockDetectionDistance = new System.Drawing.SizeF(1, 2);
pageTextRequestedEventArgs.Page = extractor.ExtractPageText(pageTextRequestedEventArgs.Index);
}
}
}
catch (ImageReadException imagingException)
{
Debug.WriteLine("Text extraction: image type is not recognized. {0}", imagingException);
}
}
}
}
public LayerCollection ToAnnotationUI(LayerData[] layers, string docPath)
{
Size[] pageSizes = new Size[0];
if (File.Exists(docPath))
{
using (FileStream fs = new FileStream(docPath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
pageSizes = new PageSizeAggregate(new DocumentPageSizes(RegisteredDecoders.GetDecoder(fs), fs, false)).ToArray();
}
}
return ToAnnotationUI(layers, pageSizes);
}
public LayerData[] ToWebDocumentViewer(LayerCollection layerCollection, string docPath)
{
var pageSizes = new Size[0];
if (File.Exists(docPath))
{
using (var fs = new FileStream(docPath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
pageSizes = new PageSizeAggregate(new DocumentPageSizes(RegisteredDecoders.GetDecoder(fs), fs, false)).ToArray();
}
}
return(ToWebDocumentViewer(layerCollection, pageSizes));
}
private string UploadFile(HttpContext context, string filename)
{
string msg = "";
HttpPostedFile file = context.Request.Files[0];
byte[] fileBytes = new byte[file.ContentLength];
file.InputStream.Read(fileBytes, 0, file.ContentLength);
using (FileStream outStream = new FileStream(filename, FileMode.CreateNew, FileAccess.ReadWrite))
{
using (MemoryStream ms = new MemoryStream())
{
ms.Write(fileBytes, 0, fileBytes.Length);
ms.Position = 0;
try
{
ImageDecoder decoder = RegisteredDecoders.GetDecoder(ms);
if (decoder is TiffDecoder)
{
outStream.Write(fileBytes, 0, fileBytes.Length);
outStream.Position = 0;
}
else
{
ImageCollection ic = new ImageCollection(ms, null);
TiffEncoder tiffEncoder = new TiffEncoder();
ic.Save(outStream, tiffEncoder, null);
}
}
catch (Exception ex)
{
msg = ex.Message;
}
ms.Position = 0;
}
}
return(msg);
}