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Frank  
#1 Posted : Friday, July 1, 2016 6:40:22 PM(UTC)
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Frank

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We just recently purchased Pdfium.Net SDK and have an issue to print any PDF doc, rendering is coming fast in PDF viewer, after click on print icon and selecting a printer, there is a large delay to print up to several min even printing 1 page only. We tested on different local networks and locations, the same result.

Does any one have the same issue and is it possible to accelerate the printing programmatically?
Paul Rayman  
#2 Posted : Sunday, July 3, 2016 8:12:44 PM(UTC)
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Paul Rayman

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Hi,

The Pdfium prints PDF as an images. Because the printer has a high DPI, usually 600, the final image is very large, which is why printing is slow.
Unfortunately in the .Net the printing is performed using the GDI+ and graphics surfaces and this is a native way for Framework.
At the moment, we are considering the possibility of PDF printing directly to a printer, bypassing .net print subsystem. I think this solution will be available in one of the following releases.

Edited by user Monday, July 4, 2016 4:35:08 AM(UTC)  | Reason: Not specified

thanks 1 user thanked Paul Rayman for this useful post.
Frank on 7/3/2016(UTC)
Frank  
#3 Posted : Sunday, July 3, 2016 8:45:48 PM(UTC)
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Frank

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Thank you,

We came to the same conclusion and as temporary workaround using GhostScript API which is way faster printing directly to the printer:

https://rajupadhara.com/2015/02/12/pdf-direct-printing-with-net-using-ghostscript/
Paul Rayman  
#4 Posted : Wednesday, September 7, 2016 4:31:50 AM(UTC)
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Paul Rayman

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The printing subsystem in WPF PdfViewer has been replaced. This fix improves the performance of printing speed and reduces the memory consumption;
http://forum.patagames.c...released-on-Aug-10--2016
Joya22DC  
#5 Posted : Friday, June 16, 2023 2:51:33 AM(UTC)
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Joya22DC

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I was facing this issue untill i fixed it by printing your file as an image. https://thegeekpage.com/...is-printing-very-slowly/
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