Avoid transparency flattening when printing to PDF

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David.P
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Avoid transparency flattening when printing to PDF

Post by David.P » Sun Jul 19, 2020 12:59 pm

Hi forum and Tracker Team,

I'm trying to create a PDF from PowerPoint where some lines have a "Glow" effect in order to make them more visible against the background, like this:
Image

However, when printing to PDF, the transparency that comes with this "Glow" effect in PowerPoint seems to be flattened somehow, by creating a relatively coarse bitmap overlay which looks like this:
Image

I can't seem to find a way how to convert this PowerPoint file such that the transparency is retained in the resulting PDF, or at least such that the background shape is not getting pixelated.

I attach both files for testing.

Thanks for all ideas.

--
line with white 'Glow' effect.pptx.zip
(21.73 KiB) Downloaded 16 times
line with white 'Glow' effect.pdf
(7.96 KiB) Downloaded 13 times
David.P
PDF-XChange Pro

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TrackerSupp-Daniel
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Re: Avoid transparency flattening when printing to PDF

Post by TrackerSupp-Daniel » Fri Jul 24, 2020 5:01 pm

Hi, David.P

My apologies for the delay here, I have created the following ticket regarding this issue:

#5282: Transparency flattening when printing to PDF causes pixelation

Kind regards,
Daniel McIntyre
Support Technician
Tracker Software Products (Canada) LTD

Support: <Support@tracker-software.com>
Sales: +1 (250) 324-1621
Fax: +1 (250) 324-1623

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TrackerSupp-Daniel
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Re: Avoid transparency flattening when printing to PDF

Post by TrackerSupp-Daniel » Thu Oct 01, 2020 11:07 pm

Hi, David.P

The Dev team has just come back to inform me that this is not something we have any control over, so it cannot be addressed from our end. The trouble is that in the act of printing, PowerPoint itself is converting the objects into a format supported by physical printers.

The only ways to create a PDF which has translarency is to either use a "convert/export to PDF" function from within powerpoint, or to directly drag the *.pptx file into our Editor, and allow it to be converted that way. As such, the ticket I created earlier is being closed.

Kind regards,
Daniel McIntyre
Support Technician
Tracker Software Products (Canada) LTD

Support: <Support@tracker-software.com>
Sales: +1 (250) 324-1621
Fax: +1 (250) 324-1623

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