Created
May 5, 2011 09:36
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Paperclip Watermarking
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# from https://github.com/mpelos/nova_marine/blob/2dc882dac31532024d4edb196e4a632801738341/lib/paperclip_processors/watermark.rb | |
# Rails.root /lib/paperclip_processors/watermark.rb | |
module Paperclip | |
class Watermark < Thumbnail | |
def initialize(file, options = {}, attachment = nil) | |
super | |
@watermark_path = options[:watermark_path] | |
@position = options[:position].nil? ? "SouthEast" : options[:position] | |
end | |
def make | |
src = @file | |
dst = Tempfile.new([@basename].compact.join(".")) | |
dst.binmode | |
return super unless @watermark_path | |
params = ":source #{transformation_command.join(" ")} #{@watermark_path} -gravity #{@position} -composite :dest" | |
begin | |
success = Paperclip.run("convert", params, :source => "#{File.expand_path(src.path)}[0]", :dest => File.expand_path(dst.path)) | |
rescue PaperclipCommandLineError | |
raise PaperclipError, "There was an error processing the watermark for #{@basename}" if @whiny | |
end | |
dst | |
end | |
end | |
end |
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Is this meant to replace the
thumbnail
processor and you just use this instead?