Legacy ImageMagick Discussions Archive

ok, how to heads up IM devs ?

Alright. I am no developper and I am not able to report this to libjpeg maintainers, nor I could speak the same language or do testing. Will you find an interest in checking that with them ?

also the original jpg https://www.dropbox.com/s/q0lokpco3cous ... 0.jpg?dl=0

I solved the negative issue, photoshop does not understand IM jpeg compression. I used zip with magick in.jpg -density 300 -channel cmyk +compress -alpha transparent -clip -alpha opaque +clip -trim +repage -strip -compress zip result.pdf here file post treated by IM then compressed by callas ...

here: https://www.dropbox.com/s/6f2x8ramaxcvr ... e.zip?dl=0

Now I solved the negative issue: it is caused by jpeg compression not correctly understood by photoshop. I jpeg compress with Callas pdfToolbox and photoshop is giving me a positive image now.
I will later drop images compressed by pdfToolbox and photoshop for you to compare with IM

could do the job, but I need cmyk.
what does identity does in your command ?

Thank you for your suggestions. I am trying to replace unstable Photoshop in an Enfocus Switch workflow. I need to get a cmyk pdf trimmed to clipping path.
From my example file the result should not be greater than 1.5MB.
What do you think about this ?

Sorry ok to pay

Of course

Should we move this to the Consulting forum, because I need to solve this in a short delay.

yes, I noticed that the ICC profile is most of input file. But output file is 6.3MB . If I look at identify -verbose out.pdf I get Profiles: Profile-xmp: 11204 bytes Artifacts: verbose: true Tainted: False Filesize: 128693B Notice ICC profile is gone and file size is very small. With -strip I get ...

yes Acrobat see correctly the file, but photoshop cc 2018 does not.
when I -strip the file removing any profile I get a 368k image, icc profile is only 1.8 MB what is the other data -strip remove ? -verbose does not show profiles with such amount of data. The original in.jpg file neither.

Hello I am trying to convert a jpeg cmyk image with a clipping path to pdf with this: convert in.jpg -density 300 -alpha transparent -clip -alpha opaque +clip -trim +repage out.pdf I have two issues: 1/ When opened in photoshop the file look negative but is correct in Acrobat 2/ Unless I use -strip ...