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Posted to batik-dev@xmlgraphics.apache.org by bu...@apache.org on 2010/08/10 16:12:12 UTC
DO NOT REPLY [Bug 49736] New: Trailing whitespace in tspan elements
breaks text-anchor alignment (only on Windows?)
https://issues.apache.org/bugzilla/show_bug.cgi?id=49736
Summary: Trailing whitespace in tspan elements breaks
text-anchor alignment (only on Windows?)
Product: Batik
Version: 1.8
Platform: PC
URL: http://mail-archives.apache.org/mod_mbox/xmlgraphics-b
atik-users/201008.mbox/browser#msg-1
OS/Version: Windows Vista
Status: NEW
Severity: minor
Priority: P3
Component: GVT Text
AssignedTo: batik-dev@xmlgraphics.apache.org
ReportedBy: helder.magalhaes@gmail.com
Trailing whitespace seems to trigger a weird issue where text contents are
thrown right a lot more than expected. It's as if "text-anchor" inheritance was
no longer honored in these cases (and reset to "start", the lacuna value).
Bug's URL points to a thread ("JSVGCanvas Problems - Rendering and Writing")
which contains the original test case and a modified test case which doesn't
reproduce the issue (basically, with trailing whitespace trimmed).
According to the thread, the issue doesn't seem to reproduce on Linux. Can
anyone else confirm and provide information for MacOS as well?
Bug 41451 seems tightly related, although the issue is not quite the same (it
refers to a MacOS-specific issue). Also, thread "tspans fail to line up" [1]
seems related as well. I wonder if all these are the same...?
A possible workaround is to make sure tspan elements don't contain trailing
whitespace.
[1]
http://mail-archives.apache.org/mod_mbox/xmlgraphics-batik-users/200701.mbox/browser#msg-19
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DO NOT REPLY [Bug 49736] Trailing whitespace in tspan elements
breaks text-anchor alignment (only on Windows?)
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49736
--- Comment #4 from Henryk Hecht <nv...@hhecht.e4ward.com> 2011-06-15 22:49:41 UTC ---
I recently (re)reported what appears to be this bug on the mailing list:
http://thread.gmane.org/gmane.text.xml.batik.user/15374
The symptoms are closer to comment #3 (multiple tspans within a text element)
than to the original report (tspans with trailing whitespace). In my case, the
following is true:
1) It only occurs on 1.6 JVMs (on both linux and windows); not on 1.5 JVMs on
either platform
2) Removing whitespace between succeeding tspans is sufficient: text-to-tspan
whitespace is irrelevant.
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DO NOT REPLY [Bug 49736] Trailing whitespace in tspan elements
breaks text-anchor alignment (only on Windows?)
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49736
--- Comment #3 from Christoffer Bruun <cd...@flyingpigs.dk> 2011-04-28 06:53:37 EDT ---
I have encountered this/similar problem while using FOP 1.0 to render a PDF
that included some svg figures included by fo:externalGraphic.
The PNG image rendered by PNGTranscoder on the same SVG input looks correct.
In my case it was not sufficient to remove whitespace between <tspan> ...
</tspan>
I also had to remove all white space between <text> and <tspan>
e.g.
<text style="text-anchor: middle">
<tspan>..</tspan>
<tspan>..</tspan>
</text>
must be turned into
<text style="text-anchor: middle"><tspan>..</tspan><tspan>..</tspan></text>
in order to work
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DO NOT REPLY [Bug 49736] Trailing whitespace in tspan elements
breaks text-anchor alignment (only on Windows?)
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49736
--- Comment #1 from Helder Magalhães <he...@gmail.com> 2010-08-10 10:20:30 EDT ---
Created an attachment (id=25875)
--> (https://issues.apache.org/bugzilla/attachment.cgi?id=25875)
Testcase which reproduces the behavior
As stated in comment #0, it's like the trailing whitespace in tspan elements
caused the text-anchor="middle" inheritance to be ignored. Changing the
testcase to use text-anchor="end" has a similar behavior; setting it to
text-anchor="start" makes the issue invisible.
Note that I've used a fixed YY shift (dy="17") instead of a relative one
(dy="1.1em") so that the test case also works in Inkscape (which, at least in
version 0.47, doesn't seem to support "em" coordinates).
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DO NOT REPLY [Bug 49736] Trailing whitespace in tspan elements
breaks text-anchor alignment (only on Windows?)
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49736
Helder Magalhães <he...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |maik.riechert@arcor.de
--- Comment #2 from Helder Magalhães <he...@gmail.com> 2010-09-20 04:55:16 EDT ---
*** Bug 49958 has been marked as a duplicate of this bug. ***
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[Bug 49736] Trailing whitespace in tspan elements breaks text-anchor
alignment (only on Windows?)
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49736
Daniel Grob <da...@edorasware.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |daniel.grob@edorasware.com
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[Bug 49736] Trailing whitespace in tspan elements breaks text-anchor
alignment (only on Windows?)
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=49736
Helder Magalhães <he...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |subramanyas@rediffmail.com
--- Comment #5 from Helder Magalhães <he...@gmail.com> ---
*** Bug 53597 has been marked as a duplicate of this bug. ***
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