Hi :) I think this is tooo new so no-one really knows yet! Is there a difference between freshly created new documents done in the 4.4.0 compared with documents created in previous branches? Does that help with figuring out a pattern or is that a "red herring"? Regards from Tom :)
On 20 November 2014 13:25, Paddy Landau <[email protected]> wrote: > V Stuart Foote wrote > > Hey that was fun to track down. You were spot on... > > > > Looks like a long present issue of JPEGs being exported to PDF were not > > retaining their JPEG compression… > > Thanks for that, Stuart. > > I have tested further using GIF, JPG and PNG images, opening PDFs in > LibreOffice Draw and exporting the graphics (right-click > Save Graphic…). > > Comparing the files to the originals, the story seems complicated. > > Sometimes, the original images are stored without change, and sometimes > with > change (always larger and as PNG, even if the original is PNG). But I > cannot > find a pattern. It doesn't matter if the images are large or small, > embedded > or linked, resized within the document or at their original sizes. > Furthermore, sometimes 4.3.4.1 does save the images as the original. Again, > I can discern no pattern. > > It seems entirely random to me. > > The link that you gave is, unfortunately, too technical for me, so I can't > use that to figure out why it sometimes stores the images as their original > and sometimes not. > > At least the new PDF files are significantly smaller, without losing > resolution. > > Perhaps someone with technical understanding can weigh in to explain when > 4.4 saves an image in its original format and when it converts to PNG > (sometimes already PNG, just made larger) — and why? What is behind the > decision to *sometimes* change the format to PNG or, when already PNG, to > make it larger? > > > > -- > View this message in context: > http://nabble.documentfoundation.org/How-does-4-4-compress-PDFs-so-well-Is-there-a-quality-problem-tp4129492p4129712.html > Sent from the Users mailing list archive at Nabble.com. > > -- > To unsubscribe e-mail to: [email protected] > Problems? > http://www.libreoffice.org/get-help/mailing-lists/how-to-unsubscribe/ > Posting guidelines + more: http://wiki.documentfoundation.org/Netiquette > List archive: http://listarchives.libreoffice.org/global/users/ > All messages sent to this list will be publicly archived and cannot be > deleted > -- To unsubscribe e-mail to: [email protected] Problems? http://www.libreoffice.org/get-help/mailing-lists/how-to-unsubscribe/ Posting guidelines + more: http://wiki.documentfoundation.org/Netiquette List archive: http://listarchives.libreoffice.org/global/users/ All messages sent to this list will be publicly archived and cannot be deleted
