https://bugs.kde.org/show_bug.cgi?id=491459
Bug ID: 491459
Summary: Rotated pdf page: Highlighter and Text extractor fail
Classification: Applications
Product: okular
Version: 23.08.1
Platform: Other
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: okular-de...@kde.org
Reporter: leo.m...@syonic.eu
Target Milestone: ---
Created attachment 172420
--> https://bugs.kde.org/attachment.cgi?id=172420&action=edit
PDF document (zipped) with rotated page
Highlighter and Text extractor fail on rotated pdf-pages
SUMMARY
Some pdf documents include rotated pages (see attached pdf-file). The
Highlighter tool fails to properly highlight the corresponding text. The text
selection tool (including the Area selector) fail to properly select the
corresponding text.
Rotating clockwise does not correct the errors.
STEPS TO REPRODUCE
1. Open attached pdf file
2. Go to page 7, which is rotated
3.a. Select highlighter and try to highlight e.g. "Homo sapiens"
3.b. Select "Text selection" and try to copy the first peptide sequence
("KEFSEV...")
3.c. Select the "Area selection" and try to copy the same first sequence
4. Repeat the steps with the page rotated clockwise
OBSERVED RESULT
3.a. The highlighting is very wrong and very annoying.
3.b. Nothing useful is selected
3.c. If the area is narrow enough, then something usable can be selected.
However, the text is rebersed!
"V
Y K E L D Q I R G E V E S F E K "
=> should be "KEFSEV..."
Note: MS Edge is actually able to select the proper text: "KEFSEVEGRIQDLEKYV",
even without rotating the page!
EXPECTED RESULT
Highlighter should highlight the proper line. Text selection should select line
by line.
SOFTWARE/OS VERSIONS
Windows: 10
ADDITIONAL INFORMATION
Is partly related to:
https://bugs.kde.org/show_bug.cgi?id=334297
- but that bug does not mention the Text selection;
- the page in this bug is also slightly more complex;
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