Thank you for your reply. Regards,
-- Zhaoyang GUO Sigma Designs Europe 4, rue Ferrus 75014 Paris, France Fred Weinhaus wrote: > In principle, just > > convert image.jpg -channel rgba -alpha on -colorspace yuv output.png > > you need png or gif for output or some format > that will save alpha channel. But as jpg does not > support alpha channel, you will just get an > opaque image as the result anyway. > > > see > http://www.imagemagick.org/script/command-line-options.php#colorspace > http://www.imagemagick.org/script/command-line-options.php#alpha > http://www.imagemagick.org/script/command-line-options.php#channel > http://www.imagemagick.org/Usage/basics/#alpha > http://www.imagemagick.org/Usage/channels/ > > > > >> Dear expertsÅC >> >> I'm writing to ask how to convert *.jpg picture from YUV colorspace to >> RGBA colorspace? >> >> Thank you for your help. >> >> Zhaoyang GUO >> >> -- >> Sigma Designs Europe >> >> 4, rue Ferrus >> 75014 Paris, France >> > _______________________________________________ > Magick-users mailing list > [email protected] > http://studio.imagemagick.org/mailman/listinfo/magick-users > _______________________________________________ Magick-users mailing list [email protected] http://studio.imagemagick.org/mailman/listinfo/magick-users
