https://bugs.documentfoundation.org/show_bug.cgi?id=101458
Julien Nabet <[email protected]> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |NEW
CC| |[email protected]
| |, [email protected],
| |[email protected]
--- Comment #3 from Julien Nabet <[email protected]> ---
I don't know if png should be recompressed.
However, I noticed this patch
https://cgit.freedesktop.org/libreoffice/core/commit/?id=eab3c3ab9da5f0282df43d2f4bfbf17f7a4f8fe3
If I comment these lines:
if ( bIsPng || ( aSizePixel.Width() < 32 ) || ( aSizePixel.Height() < 32 ) )
bUseJPGCompression = false;
(or if "bIsPng" test is removed)
see
http://opengrok.libreoffice.org/xref/core/vcl/source/gdi/pdfwriter_impl2.cxx#163
Also, depending on the quality, I made a quick test (on pc Debian x86-64 with
master sources updated today):
- with 60%, the file size is bigger than without compression
- with 30%, the file size is less big
-rw-r--r-- 1 julien julien 80101 nov. 28 22:04 test_loss30.pdf
-rw-r--r-- 1 julien julien 104462 nov. 28 22:04 test_loss60.pdf
-rw-r--r-- 1 julien julien 101328 nov. 28 22:01 test_lossless.pdf
-rw-r--r-- 1 julien julien 125998 nov. 28 21:45 test.odp
Michael/Marco: any thoughts here?
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