https://bugs.documentfoundation.org/show_bug.cgi?id=128658
Bug ID: 128658
Summary: image compress and impress optimization Defaults
Product: LibreOffice
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: graphics stack
Assignee: libreoffice-bugs@lists.freedesktop.org
Reporter: kain...@gmail.com
Created attachment 155620
--> https://bugs.documentfoundation.org/attachment.cgi?id=155620&action=edit
Optimize Images Presets
If you would like to compress images in LibO the default settings are:
compress single image
---------------------
JPEG Quality: 90
PNG Compression: 9
Resolution: 96 DPI
If you use the default settings for Presentation minimizer the default settings
are:
Impress minimize
-----------------
JPEG Quality: 75
Resolution: 150 DPI
Gimp Defaults
JPEG Quality: 90
PNG Quality: 6
Krita Defaults
JPEG Quality: 80
PNG Quality: 7
Compress single Image
=====================
was used in writer, calc, ... everywhere the goal should be the print, cause if
it work on print, it will work on the screen to.
-> JPEG Quality: 90 don't compress them very much
-> PNG Compression: 9 mean no compression at all
-> Resolution: 96 mean optimized for the screen
-> conclusion less use of JPEG/PNG compression feature but lowest useful
resolution.
My proposal:
- JPEG Quality Default: 80
- PNG Compression Default: 7
- Resolution Default:
300 DPI for single image compression (default is optimizes for printout)
150 DPI for impress
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