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Posted to fop-dev@xmlgraphics.apache.org by bu...@apache.org on 2010/10/15 16:50:51 UTC
DO NOT REPLY [Bug 50098] New: AFP Renderer: Minor border Painting
Inconsistencies
https://issues.apache.org/bugzilla/show_bug.cgi?id=50098
Summary: AFP Renderer: Minor border Painting Inconsistencies
Product: Fop
Version: all
Platform: PC
OS/Version: All
Status: NEW
Severity: minor
Priority: P2
Component: general
AssignedTo: fop-dev@xmlgraphics.apache.org
ReportedBy: med1985@gmail.com
Because AFP doesn't use floating point numbers to define x,y co-ordinates (like
PDF and PS) there are rounding error that cause border inconsistencies.
However, because (I presume) most borders are very thin, they are barely
visible. This issue became apparent when fixing Bug# 15368.
When using dashed borders, this issue is much more visible since it manifests
in non-squared borders i.e. there are white-spaces in corners rather than
proper squared borders.
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DO NOT REPLY [Bug 50098] AFP Renderer: Minor border Painting
Inconsistencies
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=50098
--- Comment #5 from Mehdi Houshmand <me...@gmail.com> 2012-04-10 08:50:44 UTC ---
Well, because I could append the original FO but that would only show a subset
of the problem. The issue is a systemic one, concerning how floating point
numbers are handled, or not handled as the case may be in some cases, in the
AFP rendering system.
Coincidentally r1311638, which I've just applied also addresses one of many
symptoms of this problem. But this issue isn't present and wouldn't have been
noticed when this problem was initially recognised. If you are demanding an FO;
playing with Bug#45822 would be sufficient, but again this is only subset of
the symptoms.
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DO NOT REPLY [Bug 50098] AFP Renderer: Minor border Painting
Inconsistencies
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=50098
--- Comment #3 from Mehdi Houshmand <me...@gmail.com> 2012-04-09 19:02:49 UTC ---
This doesn't require a single FO to demonstrate the point, it was more of a
marker for illustrating a flaw in how the AFP rendering works. The AFP painter
does a lot of arithmetic and the floating-point -> integer conversion happens
too early, magnifying rounding errors.
As always, this just needs time... Sorry if that isn't very helpful
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DO NOT REPLY [Bug 50098] AFP Renderer: Minor border Painting
Inconsistencies
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=50098
Glenn Adams <gl...@skynav.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|minor |enhancement
--- Comment #2 from Glenn Adams <gl...@skynav.com> 2012-04-09 18:55:10 UTC ---
please provide a test input FO file and an image of currently produced AFP (for
those of us who don't have access to an AFP output device
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DO NOT REPLY [Bug 50098] AFP Renderer: Minor border Painting
Inconsistencies
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=50098
Glenn Adams <gl...@skynav.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P2 |P3
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[Bug 50098] AFP Renderer: Minor border Painting Inconsistencies
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=50098
--- Comment #8 from Luis Bernardo <lm...@gmail.com> ---
Created attachment 28792
--> https://issues.apache.org/bugzilla/attachment.cgi?id=28792&action=edit
test *.afp output
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DO NOT REPLY [Bug 50098] AFP Renderer: Minor border Painting
Inconsistencies
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=50098
--- Comment #4 from Glenn Adams <gl...@skynav.com> 2012-04-09 19:15:22 UTC ---
(In reply to comment #3)
> This doesn't require a single FO to demonstrate the point, it was more of a
> marker for illustrating a flaw in how the AFP rendering works. The AFP painter
> does a lot of arithmetic and the floating-point -> integer conversion happens
> too early, magnifying rounding errors.
>
> As always, this just needs time... Sorry if that isn't very helpful
when someone gets around to looking at this, it will be important to have a
test file that demonstrates the problem; i don't see why you can't construct
such a test file
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DO NOT REPLY [Bug 50098] AFP Renderer: Minor border Painting
Inconsistencies
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=50098
Glenn Adams <gl...@skynav.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
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DO NOT REPLY [Bug 50098] AFP Renderer: Minor border Painting
Inconsistencies
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=50098
--- Comment #1 from Glenn Adams <gl...@skynav.com> 2012-04-07 01:42:11 UTC ---
resetting P2 open bugs to P3 pending further review
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DO NOT REPLY [Bug 50098] AFP Renderer: Minor border Painting
Inconsistencies
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=50098
--- Comment #6 from Glenn Adams <ga...@apache.org> 2012-04-24 05:51:37 UTC ---
(In reply to comment #5)
> Well, because I could append the original FO but that would only show a subset
> of the problem. The issue is a systemic one, concerning how floating point
> numbers are handled, or not handled as the case may be in some cases, in the
> AFP rendering system.
>
> Coincidentally r1311638, which I've just applied also addresses one of many
> symptoms of this problem. But this issue isn't present and wouldn't have been
> noticed when this problem was initially recognised. If you are demanding an FO;
> playing with Bug#45822 would be sufficient, but again this is only subset of
> the symptoms.
yes, i'm asking for a minimal input FO, an output PDF, and any relevant console
log;
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[Bug 50098] AFP Renderer: Minor border Painting Inconsistencies
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=50098
--- Comment #7 from Luis Bernardo <lm...@gmail.com> ---
Created attachment 28791
--> https://issues.apache.org/bugzilla/attachment.cgi?id=28791&action=edit
test *.fo file
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