2009/4/2 Ben <[email protected]>: > 2009/4/2 Erik de Castro Lopo <[email protected]>: >> Ben wrote: >> >>> GIMP and Inkscape can't do CMYK, >> >> Does this not do it for Gimp? >> >> http://my.opera.com/area42/blog/gimp-cmyk > > from that link: > > How its works: > * Open your RGB image in Gimp via "File > Open" > * Start Seperate+ "<Image Window> > Image > Seperate > Seperate" > * Setup the profiles, may as source "Adobe 1998" and as destination > profile "Euroscala V2" > * Press OK, an image with 4 layers is created > * Each layer represents a color channel of CMYK > * Now save the image as CMYK Tiff at "<Image Window> > Image > > Seperate > Save..." > > ewwwww... > That is really, really not an acceptable implementation of CMYK. It's > the kind of thing that could be applied as a filter afterwards. It > doesn't let you work in CMYK with any kind of ease, you still work in > RGB and then do some kind of hideous conversion that would be almost > impossible to fine tune. > > The point of CMYK is that you create stuff in the appopriate colours: > > My printing recommends the following: > * Black text: 100%K, 0% all others > * Black backgrounds: 100%K, 30%C, 0% others > > RGB gets converted to CMY(Cyan, Magenta, Yellow)(with no K(Black) channel). > > This leads to imperfect blacks in printing, and 3x the ink being > dumped to form black leads to smearing, drying issues etc. > Text ends up with fuzzy colour speckles around it too. > > The GIMP plugin will not resolve these issues as every part of the > image would have to be hand tuned after being created, which is really > not practical.
GIMP does CMYK natively now: http://en.wikipedia.org/wiki/The_gimp#Color_support -- Bring choice back to your computer. http://www.linux.org.au/linux -- SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html
