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Posted to issues@openoffice.apache.org by bu...@apache.org on 2013/05/28 07:22:50 UTC
[Bug 122395] New: Position of transparent lines wrong after export
to .PNG
https://issues.apache.org/ooo/show_bug.cgi?id=122395
Bug ID: 122395
Issue Type: DEFECT
Summary: Position of transparent lines wrong after export to
.PNG
Product: Draw
Version: AOO400-dev
Hardware: PC
OS: Windows 7
Status: UNCONFIRMED
Keywords: regression
Severity: normal
Priority: P3
Component: save-export
Assignee: issues@openoffice.apache.org
Reporter: rainerbielefeld_ooo_qa@bielefeldundbuss.de
CC: issues@openoffice.apache.org
Created attachment 80734
--> https://issues.apache.org/ooo/attachment.cgi?id=80734&action=edit
Sample Document
Steps how to reproduce with server installation of "AOO 4.0.0-Dev – English UI
/ German locale [AOO400m2(Build:9701) - Rev. 1485784 Rev.1485289
(2013-05-24)]" on WIN7 Home Premium (64bit)", Common 4.0 Trunk User Profile:
1. Open Sample document
2. In Slide 1 click second arrowhead line (in the middle) and apply
transparency 50% (using sidebar)
3. In Slide 1 click second normal horizontal line (in the middle) in the
second lines group on the page and and apply
transparency 50% (using sidebar)
4. Menu 'File -> Export -> As PNG' <Export>
5. open export result in IrfanView or AOO
Expected: line groups look as in source document
Actual: transparent lines shifted down and to thee right
Additional info
---------------
a) was OK with 3.4.1, so regression
b) Already Reproducible with server installation of " AOO 4.0.0-Dev –
English UI / German locale [AOO400m1(Build:9700) - Rev. 1457992 -
Rev.1457606]"
on WIN7 Home Premium (64bit)", own separate user profile
c) gif, png, jpg export not affected
d) same with export all slide or selection
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[Bug 122395] Position of transparent lines wrong after export to
.PNG
Posted by bu...@apache.org.
https://issues.apache.org/ooo/show_bug.cgi?id=122395
rainerbielefeld <ra...@bielefeldundbuss.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #80734|0 |1
is obsolete| |
--- Comment #2 from rainerbielefeld <ra...@bielefeldundbuss.de> ---
Created attachment 80744
--> https://issues.apache.org/ooo/attachment.cgi?id=80744&action=edit
Test Kit
Source document and exportresult.png
Please excuse me, it seems I interchanged 2 sample documents
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[Bug 122395] Position of transparent lines wrong after export to
.PNG
Posted by bu...@apache.org.
https://issues.apache.org/ooo/show_bug.cgi?id=122395
--- Comment #5 from Armin Le Grand <Ar...@me.com> ---
ALG: Okay, (2) identified and adapted. Creating a task for (1)...
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[Bug 122395] Position of transparent lines wrong after export to
.PNG
Posted by bu...@apache.org.
https://issues.apache.org/ooo/show_bug.cgi?id=122395
Armin Le Grand <Ar...@me.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |CONFIRMED
Ever confirmed|0 |1
--- Comment #3 from Armin Le Grand <Ar...@me.com> ---
ALG: Checking with example document. Indeed this happens. Tried convert to
bitmap, works. Tried copy-paste to draw app, works. export shows the error with
and without checking 'export selection'. Looking deeper...
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[Bug 122395] Position of transparent lines wrong after export to
.PNG
Posted by bu...@apache.org.
https://issues.apache.org/ooo/show_bug.cgi?id=122395
--- Comment #7 from SVN Robot <sv...@dev.null.org> ---
"alg" committed SVN revision 1487800 into trunk:
i122395 Adapted mapping of content to more general way
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[Bug 122395] Position of transparent lines wrong after export to
.PNG
Posted by bu...@apache.org.
https://issues.apache.org/ooo/show_bug.cgi?id=122395
Armin Le Grand <Ar...@me.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|CONFIRMED |ACCEPTED
--- Comment #4 from Armin Le Grand <Ar...@me.com> ---
ALG: The export uses the UnoGraphicExporter in svx (class GraphicExporter). In
both cases - export selection or export all - the exporter takes different
execution paths, but both first convert the graphic content to export to a
metafile. Then this put to a Graphic and from that a bitmap is fetched. In that
step, the metafile is back-converted to primitives and then rendered.
Two problems:
(1) forth-and-back conversion is unnecessary, expensive and potentially loses
information in the very complex transformatin between primitives and metafile
(last but not least precision goes to integer due to metafile)
(2) This task uncovers an existing weakness in the conversion from primitives
to metafile when a relative mapping and transparent objects are involved.
@rainerbielefeld: Thanks for finding this! (2) needs to be fixed and is a very
good, general finding. For (1) I will write an enhancement task for after
AOO4.0, this would be too dangerous right now.
Taking action on (2)...
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[Bug 122395] Position of transparent lines wrong after export to
.PNG
Posted by bu...@apache.org.
https://issues.apache.org/ooo/show_bug.cgi?id=122395
Armin Le Grand <Ar...@me.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |AOO 4.0
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[Bug 122395] Position of transparent lines wrong after export to
.PNG
Posted by bu...@apache.org.
https://issues.apache.org/ooo/show_bug.cgi?id=122395
Armin Le Grand <Ar...@me.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ACCEPTED |RESOLVED
Resolution|--- |FIXED
--- Comment #6 from Armin Le Grand <Ar...@me.com> ---
ALG: Wrote #122425# for (a). Checked in changes for (b), done.
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[Bug 122395] Position of transparent lines wrong after export to
.PNG
Posted by bu...@apache.org.
https://issues.apache.org/ooo/show_bug.cgi?id=122395
Armin Le Grand <Ar...@me.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |Armin.Le.Grand@me.com
--- Comment #1 from Armin Le Grand <Ar...@me.com> ---
ALG: ?!? The sample document only contains a smiley.
Created two arrows, two hor lines, made a little big fatter, set 2nd arrow and
line to 50% transparency. With no selection, exported as PNG. Opened in
Paint.net, looks good. Perfect transparency and AAing.
BTW: You can now also just CTRL+C the shapes (no need to convert), CTRL+V in
any paint app -> inserted as alpha- and AAed bitmap. The way back will of
course create a bitmap in AOO, but also works as designed.
Please provide correct BugDoc if still reproducable.
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