PDF file Linearized

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PDF file Linearized

Post by freddy.maitre » Mon Mar 18, 2019 09:34 PM

Hi
Is there a way to know if a PDF file is Linearized (Fast Web View) ?
And also is it possible to save a PDF file as Linearized ?
Thanks,

Re: PDF file Linearized

Post by Alex » Tue Mar 19, 2019 11:35 AM

Hi Freddy,
Is there a way to know if a PDF file is Linearized (Fast Web View) ? You can check that PDF document is linearized using the following code:

public static bool HasLinearizationInfo(Vintasoft.Imaging.Pdf.PdfDocument document)
{
    bool result;
    if (Vintasoft.Imaging.Pdf.Processing.Analyzers.PdfAnalyzers.PdfFileHasLinearizationInfo.TryAnalyze(document, out result))
        return result;
    return false;
}

And also is it possible to save a PDF file as Linearized ? Current version does not allow to create linearized PDF documents. We plan to add this feature in future. Unfortunately, I cannot give you the exact date.

Best regards, Alexander

Re: PDF file Linearized

Post by satish.trivedi » Tue Sep 12, 2023 08:34 AM

Is there any update on PDF file Linearized?
Is there any option to load big pdf in Streaming, like if there are 10 pages in pdf, it will start showing once first page is loaded and so on?

Re: PDF file Linearized

Post by Alex » Tue Sep 12, 2023 11:42 AM

Hello,

VintaSoft Imaging .NET SDK still cannot create linearized PDF documents. This feature is in our to-do list.

Best regards, Alexander

Re: PDF file Linearized

Post by satish.trivedi » Tue Sep 12, 2023 12:33 PM

Thanks Alex for your quick response.

Is there any option to load big size pdf in Streaming (Linearized pdf)?
Like if there are 100 pages in pdf file, it should start showing once first page is loaded and so on?

Re: PDF file Linearized

Post by Alex » Wed Sep 13, 2023 06:18 AM

Hello,

The Vintasoft ImageViewer control displays PDF page right after page is ready for viewing - this is the default behaviour.

Please run VintaSoft Document Viewer Demo ("[SdkInstallPath]\VintaSoft\Imaging .NET v12.2\Bin\DotNet4\AnyCPU\DocumentViewerDemo.exe"), open your PDF document and see how image viewer displays your PDF document.

Let me know if you will have any question or problem.

Best regards, Alexander

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