<br><br><div><span class="gmail_quote">2007/6/28, Bjørn Kvisli <<a href="mailto:email@example.com">firstname.lastname@example.org</a>>:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Torsdag 28 juni 2007 20:24, skrev Arnd Baecker:<br>> On Thu, 28 Jun 2007, [utf-8] Bjørn Kvisli wrote:<br>><br>> [...]<br>><br>> > Well, I really hope this is the case. Loosing detail with each save would
<br>> > really be bad.<br>><br>> Have a look at<br>> <a href="http://www.cywarp.com/faq_jpg_degradation.htm">http://www.cywarp.com/faq_jpg_degradation.htm</a><br>> (Of course best is to try it out ... ;-)
<br>><br>I tried to save a picture quite a few times, but could not see the effect of<br>degradation as descibed in the linked article. I guess I have to find out<br>more about this.<br>Digikam also has a setting for png compression. Mine is set to 9 (maximum). Is
<br>png still lossless?<br></blockquote></div><br>yes, PNG is always lossless (zip like), as TIFF compression do (deflate) :<br><br><a href="http://en.wikipedia.org/wiki/Png">http://en.wikipedia.org/wiki/Png</a><br><br>Note : unlike wikipedia said, PNG support Exif, IPTC, and XMP as well. Digikam full support Exif/Iptc with PNG, as ImageMagick or Exiftool can do.