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Slow PDF print - Large delay in PDF printing
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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?
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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
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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/
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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
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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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