Merge pull request #59 from jamesalmond/cropbox

Uses crop box on PDF image creation. Fixes #58

Author: knowtheory

lib/docsplit/image_extractor.rb

@@ -42,7 +42,7 @@ def convert(pdf, size, format, previous=nil)
       else
         page_list(pages).each do |page|
           out_file  = ESCAPE[File.join(directory, "#{basename}_#{page}.#{format}")]
-          cmd = "MAGICK_TMPDIR=#{tempdir} OMP_NUM_THREADS=2 gm convert +adjoin #{common} #{escaped_pdf}[#{page - 1}] #{out_file} 2>&1".chomp
+          cmd = "MAGICK_TMPDIR=#{tempdir} OMP_NUM_THREADS=2 gm convert +adjoin -define pdf:use-cropbox=true #{common} #{escaped_pdf}[#{page - 1}] #{out_file} 2>&1".chomp
           result = `#{cmd}`.chomp
           raise ExtractionFailed, result if $? != 0
         end