public override bool Open(string filename)
{
_paginalImageFile = ImageFactory.Create(filename);
Bitmap = _paginalImageFile.CurrentPage;
return(true);
}
public static IPaginalImageFile Create(string fileName)
{
if (!File.Exists(fileName))
{
throw new FileNotFoundException(Messages.FileNotFound, fileName);
}
string extension = Path.GetExtension(fileName.ToLower());
if (string.IsNullOrEmpty(extension))
{
throw new ArgumentException(Messages.FileWithoutExtension, fileName);
}
string lowPointlessExt = extension.ToLower().Replace(@".", string.Empty);
IPaginalImageFile image = null;
Bitmap bimap = null;
if (lowPointlessExt == "tif" || lowPointlessExt == "tiff")
{
try
{
// first of all will try to use native .net image classes
// because they work much faster then CachedLibTiffImage
image = new PaginalImage(fileName);
// tyr to load image into memory
bimap = image.CurrentPage;
}
catch
{
image = new CachedLibTiffImage(fileName);
bimap = image.CurrentPage;
}
}
else
{
image = new PaginalImage(fileName);
}
return(image);
}
