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Black image with perl

Posted: 2017-10-18T07:49:56-07:00
by martinjm
I have an existing Debian Jessie system running ImageMagick 6.7.7-10 2014-05-25 Q16
Perl v5.18.2

And a new system running ImageMagick 6.8.9-9 Q16 x86_64 2017-07-15
Perl v5.20.2

On the new system, one set of images doesn’t convert correctly (fax to png) with the perl libs. The main image is just a black rectangle in a white border.

If I cmdline “convert file.fax file.png” it’s fine (with the exception of rotation etc. which weren’t specified).
I’m assuming it’s a perl issue (I’ve always found it a bit flaky anyway :) ).

Has anyone got any ideas on how to fix this?