[Libreoffice-bugs] [Bug 134352] Skia engine leaves scaled raster images far blurrier than does hardware rendering

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=134352

--- Comment #3 from Telesto <telesto at surfxs.nl> ---
This is probably caused by old, old (evil) bug. FWIW: Compare PDF export with
PNG (PDF always crisp) with PNG being only good at smaller sizes

Found in
7.1
6.4
6.0
4.4.7.2
4.2
4.0
3.5.7.2

LibreOffice 3.3.0 
OOO330m19 (Build:6)
tag libreoffice-3.3.0.4

Which did remember me of bug 132590 comment 10

SVG: 
- Border look the same as in 7.0 PNG
- Bad quality export
- Dimensions totally (17,39cm x 27,70 cm)
PNG:
- Looks the same as in 4.4.7.2 
- Has the same oversized issue (12,60x10,85) Expected: 12,25 x 12,50)
- Bad quality export
BMP: 
- Proper size
- Proper dimensions
- Bad quality
SVM
- Oversized (12,60x10,85)
- Proper quality 
- Borders OK
JPG
- Again different dimensions: 12,62cm x 10,87cm
- Bad quality export
- Borders look OK

So SVM export (dropped since....) used another code path not messing with image
quality while re-compressing. Same for PDF export.. Also fine..

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