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  • PDF property singleimage=true

    I need a little claification on pdfs. We work will 1bit scanned images and our customers want pdfs Converting back and forth between the formats, gray scale and black and white, the images get blurry so we think creating/extracting might be the way to go. 1) will singleimage=true if the pdf page is a single image AND contains ocr info? 2) does ...
    Posted to DotImage Discussions (Forum) by tack on March 29, 2008
  • folderThumbnailView and pdf files

    I am using the folderThumbnailView control in my app and I also have the Atalasoft PDFRasterizer - my question is: how can I make the thumbnailviewer show PDF images - I have added the .pdf extension to the filter property but still no joy. Please help. Thankyou.
    Posted to DotImage Discussions (Forum) by skjpatel on November 20, 2007
  • Re: PDF Rasterizer creating blurry output

    Try increasing the resololution in the PdfDecoder object.  The blur might be from rasterizing it at a lower resolution, then zooming in.
    Posted to DotImage Discussions (Forum) by Bill Bither on October 10, 2007
  • Re: PDF rasterize a single-image only pdf

    DotImage PDFRasterizer will extract the embedded image and resample the image based on the requested resolution when singleimage=true.  If the original image was bitonal, the result when rasterizing is likely to be grayscale due to resampling.  Depending on what you need, you might want to extract the image yourself when ...
    Posted to DotImage Discussions (Forum) by Bill Bither on July 7, 2007
  • PdfDecoder exception - DestSize must be greater than 0.

    I was trying to decode a bunch of pdf's into multi page Tiffs using DotImage 4.0h and the PDF rasteriser add-on, basically using code from this article (http://www.atalasoft.com/kb/article.aspx?id=10125&cNode=). It works great for over 80% of my sample pdfs, however there are a few which throw a 'DestSize must be greater than 0' exception on ...
    Posted to DotImage Discussions (Forum) by andyau on June 8, 2007
  • Re: Is there any PDFRasterizer sample code

    The PdfViewer demo available in both C# and VB.NET shows you how to use it.  This is code from the object reference in the documentation.  Once you add the decoder to the registered decoders you can open a PDF as you would any other image. using Atalasoft.Imaging; using Atalasoft.Imaging.Codec; using Atalasoft.Imaging.Codec.Pdf; ... ...
    Posted to DotImage Discussions (Forum) by Bill Bither on March 19, 2007
  • Is there any PDFRasterizer sample code

    I got the following reply (underline) from your sales rep. In order to get an Image only PDF into DotImage you need the PDFRasterizer. Then the Image can be put into OCR to create Searchable PDF. I couldn't find any PDFRasterizer demo or sample code. Can you give me the directions? My goal is to convert from an image only PDF file ...
    Posted to DotImage Discussions (Forum) by Henry on March 19, 2007
  • Re: Rasterize PDF to CMYK TIFF/JPEG

    No, it is not.  It is possible to rasterize a PDF to a 32-bit RGBA, 24-bit RGB, or 8-bit GRAY image, but not CMYK.  Sorry
    Posted to DotImage Discussions (Forum) by Bill Bither on March 16, 2007
  • Re: Extracting images from PDF document

    What version of PDF Rasterizer are you using?  There are significant performance improvements with our latest PDF Rasterizer versions.  Are you ''extracting'' images or rasterizing them.  Extracting always seemed to have been fast.  Rasterizing was brutally slow until we updated the component a couple months ago.
    Posted to DotImage Discussions (Forum) by Bill Bither on March 16, 2007