php - GhostScript - text misplaced after converting from pdf to jpg -

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i using php exec() , ghostscript convert pdf files jpg, however, there seems issue text - letters gets misplaced. here example screenshots how turns out:

this how on pdf - http://screencast.com/t/vmf2kjdlts , how turns out on jpg - http://screencast.com/t/btfnmkrc

here's command i'm using: exec("/usr/bin/gs -dnopause -sdevice=jpeg -soutputfile=test.jpg -djpegq=100 -r814x1149 -q test.pdf", $out, $rcode);

the pdf generated dompdf , custom installed font if helps.

any suggestions doing wrong?

after converting gs9.07win text looks fine (text rendered default font, arial). problem opensans , opensans-bold fonts substitution or incomplete glif maps.


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