carrierwave - why is carrier wave 0.9.0 resampling jpgs when converting to pdf -


in v0.8.0 doing process :convert => "pdf" on jpg results in jpg being stored inside pdf. i.e. pdf wrapper around pdf.

after v0.9.0 same operation results in smaller / lower resolution resampled jpg being stored in pdf.

same version of minimagick begin used throughout.

the following 2 blocks clipped resulting pdfs first block generated carrierwave 0.9.0, second 0.8.0. change in code / gemfile. file being converted pdf 600 dpi image. appears carrierwave 0.9.0 default using dpi of 72 when converting images pdf...

/type /xobject /bitspercomponent 8 /colorspace /devicergb /filter [ /runlengthdecode ] /height 522 /length 317714 /name /im0 /smask 8 0 r /subtype /image /width 378   /type /xobject /bitspercomponent 8 /colorspace /devicergb /filter [ /dctdecode ] /height 4350 /length 649502 /name /im0 /subtype /image /width 3150

this work around: replace process :convert => :pdf process :convert_to_pdf

and add 

def convert_to_pdf # copied carrierwave code base   # @format = :pdf # line causes problem... why?   manipulate! |img|     img.format(:pdf)      img   end end

in otherwords create own convert function not have @format = :pdf causing problem. @format = :pdf believe needed if chaining manipulations together.


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