https://bugs.documentfoundation.org/show_bug.cgi?id=114050
Bug ID: 114050
Summary: Image compression seems to be rather slow and CPU
hogging for high resolution images
Product: LibreOffice
Version: 4.2.0.4 release
Hardware: All
OS: Windows (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Writer
Assignee: libreoffice-bugs@lists.freedesktop.org
Reporter: tele...@surfxs.nl
Description:
Image compression seems to be rather slow and CPU hogging for high resolution
images
Steps to Reproduce:
1. Open the attached file
2. Compress the image to jpg 90; 200 dpi with any Interpolation filter
(Lanczos)
Actual Results:
Takes around 5 seconds to compress with a progression bar (and LibO
unresponsive)
Expected Results:
2 second or so (FastStone image viewer/IrfanView)
Reproducible: Always
User Profile Reset: No
Additional Info:
Found in
Version: 6.0.0.0.alpha1+
Build ID: c24c32bf71b8e64bd0d36e511f554e1f6c015842
CPU threads: 4; OS: Windows 6.3; UI render: default;
TinderBox: Win-x86@42, Branch:master, Time: 2017-11-22_23:15:41
Locale: nl-NL (nl_NL); Calc: group threaded
and in
4.2.0.4
User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:52.0) Gecko/20100101
Firefox/52.0
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