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Contents
module PopulateMe
class Variation < Struct.new :name, :ext, :job
# Simple class to deal with variations of an attachment
# Mainly variation of images using ImageMagick
# but it could be anything else like creating the pdf version
# of a text file
def initialize name, ext, job_as_proc=nil, &job_as_block
super name, ext, job_as_proc||job_as_block
end
class << self
def new_image_magick_job name, ext, convert_string, options={}
o = {
strip: true, progressive: true,
}.merge(options)
defaults = ""
defaults << "-strip " if o[:strip]
defaults << "-interlace Plane " if o[:progressive] and [:jpg,:jpeg].include?(ext.to_sym)
job = lambda{ |src,dst|
Kernel.system "convert \"#{src}\" #{defaults}#{convert_string} \"#{dst}\""
}
self.new name, ext, job
end
def default
self.new_image_magick_job(:populate_me_thumb, :jpg, "-flatten -resize '400x230' -gravity center -extent 400x230")
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems