Gabe Schaffer wrote:
Ok, I can confirm that the 'jpegtran' from your link does work with lossless crop.On 11/6/06, J. Young <[EMAIL PROTECTED]> wrote:Gabe Schaffer wrote: > On 11/5/06, Anthony Thyssen <[EMAIL PROTECTED]> wrote: >> "J. Young" on wrote... > >> | convert bigpage.jpg -crop 50%x0+0+0 page1.jpg >> | convert bigpage.jpg -gravity East -crop 50%x0+0+0 page2.jpg >> | >> | So this works ok, but is it a lossless operation as far as image >> | quality? If not, could someone recommend a lossless equivalent? >> | >> JPEG to JPEG is always lossless in IM. > > Always lossless? Did you mean never?That's strange. Did you check out http://www.jpegclub.org/droppatch.tar.gz ??GNS
Used:
jpegtran -outfile page1.jpg -crop ${halfxres}x${yres}+0+0 bigpage.jpg
jpegtran -outfile page2.jpg -crop ${halfxres}x${yres}+${halfxres}+0
bigpage.jpg
Thanks for the help. _______________________________________________ Magick-users mailing list [email protected] http://studio.imagemagick.org/mailman/listinfo/magick-users
