pdf to jpg

gistfile1.rb

def convert_to_previews(new_file)

 name = File.basename(current_path)
 
 images = Magick::Image.read(current_path) do
   self.background_color  = "white" # does not work for me :/
 end

 if images.length > 0
   save_path = "#{Rails.root}/public/uploads/#{model.class.to_s.underscore}/file/#{model.id}/slides"

   Dir.mkdir save_path unless File.exists? save_path
   
   images.each_with_index do |image, index|
     image.border!(0, 0, "white")
     image.resize_to_fit!(1024, 1024).write("#{save_path}/sheet_#{index}.jpg")
     image.resize_to_fit!(70, 100000).write("#{save_path}/preview_sheet_#{index}.jpg")
   end
 end

end