remove print handling from main

minicomic-backend.rb

@@ -7,69 +7,6 @@ Dir[File.dirname(__FILE__) + "/classes/*.rb"].each do |file|
   require file
 end
 
-
-module PrintHandling
-  #
-  # calculate the page size in PPI
-  #
-  def calculate_page_size
-    if @config['dpi']
-      if @config['page_size']
-        case @config['page_size'].downcase
-          when "letter", "letter_portrait"
-            page_width = 8.5; page_height = 11
-          when "letter_landscape"
-            page_width = 11; page_height = 8.5
-          when "half_letter_landscape"
-            page_width = 5.5; page_height = 8.5
-        end
-      else
-        page_width = @config['page_width_inches']
-        page_height = @config['page_height_inches']
-      end
-
-      page_width  *= @config['dpi']
-      page_height *= @config['dpi']
-    else
-      page_width = @config['page_width']
-      page_height = @config['page_height']
-    end
-
-    [ page_width, page_height ]
-  end
-
-  #
-  # align the provided image on a white page
-  #
-  def build_for_print(input, output, side = "none")
-    page_width, page_height = calculate_page_size
-    command = [
-      "-density #{config['dpi']}",
-      "-size #{page_width.to_i}x#{page_height.to_i}",
-      "xc:white"
-    ]
-
-    case side
-      when "none"
-        command << "-gravity Center"
-      when "left"
-        command << "-gravity East"
-      when "right"
-        command << "-gravity West"
-    end
-
-    command << "-draw 'image Over 0,0 0,0 \"#{input}\"'"
-
-    if output[0,1] == "|"
-      command << output[1..-1]
-    else
-      command << "\"#{output}\""
-    end
-
-    convert(command)
-  end
-end
-
 class SVGToTempBitmap < InputFilter
   include PrintHandling