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IDProjectCategoryView StatusLast Update
0011061ScribusImport / Exportpublic2016-12-10 08:19
Reportercboltz Assigned To 
PrioritynormalSeverityfeatureReproducibilityhave not tried
Status acknowledgedResolutionopen 
Platformx86_64OSLinux / openSUSEOS Version12.2
Product Version1.4.1 
Target VersionFuture Release - Nice to have 
Summary0011061: Warn at PDF export if overprinting is used
DescriptionI accidently enabled overprint (instead of knockout) for an object, and didn't really like the printed result I received from the print house :-/

The problem with overprinting is that it is not visible inside scribus (not even in the print preview), and is also not visible when viewing the exported PDF with Okular, acroread etc.

Can you please add a check/warning at the PDF export (preflight check?) that lists objects with overprint enabled?


related to 0006047 confirmed Preflight Verifier: Flag for White Overprint  
has duplicate 0012446 closed Preflight Verifier - check for overprint 
child of 0012524 acknowledged Metabug: Preflight Verifier (1.5.0.svn) 



2012-09-07 06:37

manager   ~0028915

just one small thing: the is not real a warning nor an error...
this is an "advanced" setting that most users are not likely to activate nor switch on by mistake.
since we are suggesting that the users should clean up every warning and error, i think that it should be under a "things to double check" section... probably with a way to say: yeah, this is what i meant, don't bother me again with this specific frame.


2012-09-07 12:48

administrator   ~0028917

That cannot be a warning enabled by default. Job targetted at printing on press may heavily use overprinting especially for black text. Such warning would only distract from real issues and would be most likely simply ignored.

>> The problem with overprinting is that it is [...] also not visible when viewing the exported PDF with Okular, acroread etc.

Overprint preview can be enabled in acroread preferences. It is not enabled by default as it has an impact on performances.


2016-03-30 21:22

updater   ~0039580

Last edited: 2016-03-30 21:23

merging 0012446 in to this ticket


2016-12-09 13:43

reporter   ~0042817

Is this still being tracked? I just had printing house on phone because I changed an object to overprint instead of knockout by accident, and there is no way to see it on-screen.


2016-12-09 14:53

manager   ~0042819

@eudoxos: do you have any hint how we could make it visible on screen?


2016-12-09 15:02

reporter   ~0042820

The first step (I think) should be to add it to Document Setup / Preflight Verifier / Profile Setup / Check for overprinting. Based on discussion above, set it off by default. Or perhaps have 2 options: one for text overprinting (not checked by default, suggested by jghall), other for non-text frames overprinting (checked and warned about by default)? Or, based on your comment (2012-09-07), a way to disable some type of preflight check forever for that document from the list of warnings, like "this is what I meant, don't bother me again with this check".


2016-12-10 08:19

manager   ~0042831

having this in the preflight verifier but set off by default would not have helped you.

an alternative to the preflight verifier would be the creation of a pdf report that lists all important information about the pdf created...

Issue History

Date Modified Username Field Change
2012-09-05 16:33 cboltz New Issue
2012-09-07 06:37 ale Note Added: 0028915
2012-09-07 12:39 jghali Severity minor => feature
2012-09-07 12:48 jghali Note Added: 0028917
2015-04-10 19:38 JLuc Relationship added has duplicate 0012446
2016-03-30 21:22 Kunda Note Added: 0039580
2016-03-30 21:23 Kunda Note Edited: 0039580
2016-03-30 21:23 Kunda Relationship added related to 0006047
2016-03-30 21:23 Kunda Relationship added child of 0012524
2016-03-30 21:56 Kunda Tag Attached: overprint
2016-12-09 13:43 eudoxos Note Added: 0042817
2016-12-09 14:53 ale Note Added: 0042819
2016-12-09 15:02 eudoxos Note Added: 0042820
2016-12-09 17:16 Kunda Target Version => Future Release - Nice to have
2016-12-09 17:16 Kunda Patch => No
2016-12-09 17:17 Kunda Status new => acknowledged
2016-12-10 08:19 ale Note Added: 0042831