Legacy ImageMagick Discussions Archive

Hi,

Is there any way to paste(fusion?) a PNG ( with opacity and alpha blending ) on a JPEG ?

That's called compositing. Here's the scoop: http://www.imagemagick.org/Usage/compose/

JPEG can not handle transparency, so you need to remove the transparency by overlaying the image onto some background.

the simplist method is to set -background, and the -flatten. But other composition methods can also be used.

See JPEG transparency - NOT!
http://www.imagemagick.org/Usage/formats/#jpg_trans