https://bugs.documentfoundation.org/show_bug.cgi?id=148980
Bug ID: 148980
Summary: sdext xpdfimport (poppler): Garbage characters shown
when open certain PDF in Draw
Product: LibreOffice
Version: 7.3.2.2 release
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Draw
Assignee: [email protected]
Reporter: [email protected]
Created attachment 179989
--> https://bugs.documentfoundation.org/attachment.cgi?id=179989&action=edit
1.pdf
When open the attached pdf document in Draw, some characters within the formula
is shown as garbage characters.
Steps to Reproduce:
1. Open the attached 1.pdf with Draw.
Current Result:
There are garbage characters shown. For instance, it shows "将方程^2 − 6�－1 = 0
配方后，原方程变形为( )", rather than 将方程x2 − 6x－1 = 0 配方后，原方程变形为( )" in the 2nd list
paragraph.
Expected result:
No garbage characters in the imported PDF. For instance, the above paragraph
should show as "将方程x^2 − 6x－1 = 0 配方后，原方程变形为( )".
Additional Info:
If I do:
$ /opt/libreofficedev7.4/program/xpdfimport ./1.pdf
Then I already get the garbage characters:
updateFont 8 0 4 0 0 1045.000000 0 SimSun
drawChar 111.000000 259.009000 121.450000 259.009000 0.050000 0.000000 0.000000
-0.050000 209.000000 将
drawChar 121.439850 259.009000 131.889850 259.009000 0.050000 0.000000 0.000000
-0.050000 209.000000 方
drawChar 131.999250 259.009000 142.449250 259.009000 0.050000 0.000000 0.000000
-0.050000 209.000000 程
endTextObject
restoreState
saveState
updateFillColor 0.000000 0.000000 0.000000 1.000000
updateFillColor 0.000000 0.000000 0.000000 1.000000
updateStrokeColor 0.000000 0.000000 0.000000 1.000000
updateFont 24 0 4 0 0 1045.000000 0 CambriaMath
drawChar 142.440000 259.730000 147.999400 259.730000 0.050000 0.000000 0.000000
-0.050000 209.000000 �
endTextObject
restoreState
saveState
As a result, the garbage characters started early in the
https://cgit.freedesktop.org/libreoffice/core/tree/sdext/source/pdfimport/xpdfwrapper.
If you open the pdf with Evince (i.e. the PDF Viewer in linux Fedora / Gnome),
when you copy paste the paragraph the pasted content is also garbage character.
Since Evince also uses poppler lib, I guess this is a bug in the poppler side.
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