Is there a way to convert a color PDF to grayscale. This is possible using Adobe Acrobat (http://blogs.adobe.com/acrolaw/2009/10/converting-color-pdf-to-greyscale-pdf-an-update/)
but I was wondering if it possible through the Aspose.PDF library.
Hi Kerby,
our issue tracking system. We will further look into the details of this
requirement and will keep you updated on the status of correction. Please be
patient and spare us little time. We are sorry for this inconvenience.
The issues you have found earlier (filed as PDFNEWNET-16222) have been fixed in Aspose.Pdf for .NET 10.6.0.
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Thank you for implementing this feature. Unfortunately it does not appear to work in all cases yet. I’m attaching a PDF that still has a lot of color in it after converting it to grayscale using the exact same code from the example in your documentation.
Hi Kerby,
using (Document document = new Document(@“c:\pdftest\13731.PDF”))<o:p></o:p>
{
Aspose.Pdf.Engine.Presentation.RgbToDeviceGrayConversionStrategy strategy = new Aspose.Pdf.Engine.Presentation.RgbToDeviceGrayConversionStrategy();
for (int idxPage = 1; idxPage <= document.Pages.Count; idxPage++)
{
Page page = document.Pages[idxPage];
strategy.Convert(page);
}
document.Save(@"c:\pdftest\16222-acrobat-device-gray.pdf");
}
Hi Did you find a solution for this?
Hi Pradeep,Pradeep Parisa:Hi Did you find a solution for this?
Hi,
We need this feature too, Did you find a solution for this at Aug 2018 for Aspose.PDF for .Net 18.7?
Thanks,
JP
We have responded to your related query in this forum thread. You may please try our suggestions and report issue in respective thread (if you face any while trying the suggested code snippets).