From cb4bba508bb4b648ac72df2423eac89d3b3be44f Mon Sep 17 00:00:00 2001
From: John Bintz <john@coswellproductions.com>
Date: Sun, 12 Sep 2010 09:25:45 -0400
Subject: [PATCH] oops, stupid gitignore

---
 .gitignore                                    |   1 -
 bin/minicomic-backend                         |  36 ++++
 lib/minicomic-backend/config_loader.rb        |  85 ++++++++
 lib/minicomic-backend/file_processor.rb       | 198 ++++++++++++++++++
 lib/minicomic-backend/filter.rb               |  60 ++++++
 lib/minicomic-backend/image_processing.rb     |  61 ++++++
 lib/minicomic-backend/input_filter.rb         |  10 +
 lib/minicomic-backend/output_filter.rb        |  17 ++
 lib/minicomic-backend/pagination.rb           |  47 +++++
 lib/minicomic-backend/print_handling.rb       |  70 +++++++
 lib/minicomic-backend/scheduler.rb            |  99 +++++++++
 lib/minicomic-backend/svg_to_temp_bitmap.rb   | 120 +++++++++++
 .../temp_bitmap_to_paginated_print.rb         |  47 +++++
 lib/minicomic-backend/temp_bitmap_to_print.rb |  17 ++
 lib/minicomic-backend/temp_bitmap_to_web.rb   |  31 +++
 15 files changed, 898 insertions(+), 1 deletion(-)
 create mode 100755 bin/minicomic-backend
 create mode 100644 lib/minicomic-backend/config_loader.rb
 create mode 100644 lib/minicomic-backend/file_processor.rb
 create mode 100644 lib/minicomic-backend/filter.rb
 create mode 100644 lib/minicomic-backend/image_processing.rb
 create mode 100644 lib/minicomic-backend/input_filter.rb
 create mode 100644 lib/minicomic-backend/output_filter.rb
 create mode 100644 lib/minicomic-backend/pagination.rb
 create mode 100644 lib/minicomic-backend/print_handling.rb
 create mode 100644 lib/minicomic-backend/scheduler.rb
 create mode 100644 lib/minicomic-backend/svg_to_temp_bitmap.rb
 create mode 100644 lib/minicomic-backend/temp_bitmap_to_paginated_print.rb
 create mode 100644 lib/minicomic-backend/temp_bitmap_to_print.rb
 create mode 100644 lib/minicomic-backend/temp_bitmap_to_web.rb

diff --git a/.gitignore b/.gitignore
index d3a31bb..692263c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,5 +3,4 @@
 .project
 .DS_Store
 coverage/
-minicomic-backend
 
diff --git a/bin/minicomic-backend b/bin/minicomic-backend
new file mode 100755
index 0000000..7e1b4df
--- /dev/null
+++ b/bin/minicomic-backend
@@ -0,0 +1,36 @@
+#!/usr/bin/ruby
+
+require 'yaml'
+begin
+  require 'home_run'
+rescue LoadError
+  STDERR.puts "Install home_run for faster date handling"
+end
+
+require 'time'
+
+begin
+  require 'minicomic-backend'
+rescue LoadError
+  $LOAD_PATH << File.expand_path(File.join(File.dirname(__FILE__), '..', 'lib'))
+  require 'minicomic-backend'
+end
+
+require 'minicomic-backend/config_loader'
+require 'minicomic-backend/file_processor'
+
+if !ARGV[0]
+  STDERR.puts "Usage: #{File.basename(__FILE__)} <path to YAML file>"
+  exit 0
+end
+
+if !File.exists?(ARGV[0])
+  STDERR.puts "#{ARGV[0]} doesn't exist!"
+  exit 1
+end
+
+config_loader = ConfigLoader.new
+config = config_loader.load(ARGV[0])
+
+file_processor = FileProcessor.new(config)
+file_processor.process!
diff --git a/lib/minicomic-backend/config_loader.rb b/lib/minicomic-backend/config_loader.rb
new file mode 100644
index 0000000..3a054f9
--- /dev/null
+++ b/lib/minicomic-backend/config_loader.rb
@@ -0,0 +1,85 @@
+require 'minicomic-backend/scheduler'
+
+class ConfigLoader
+  def load(file)
+    config = load_yaml(file)
+
+    if !config['Global']
+      return false
+    end
+
+    global = config['Global']
+
+    if !global['path']
+      return false
+    end
+
+    if !global['page_index_format']
+      global['page_index_format'] = count_pattern(global['path'])
+    end
+
+    files = []
+    fileinfo_by_file = {}
+
+    if global['pages']
+      files = global['pages'].collect do |f|
+        result = nil
+        case f.class.to_s
+          when 'String'
+            result = global['path'] + f
+            if f == "blank"
+              fileinfo_by_file[result] = { 'file' => f }
+            end
+          when 'Hash'
+            if f['file']
+              case f['file'].class.to_s
+                when 'String'
+                  result = global['path'] + f['file']
+                  fileinfo_by_file[result] = f
+                when 'Array'
+                  result = f['file'].collect { |sub_f| global['path'] + sub_f }
+                  fileinfo_by_file[result.join(",")] = f
+              end
+            else
+              result = f
+            end
+        end
+        result
+      end
+    else
+      if global['match']
+        re = Regexp.new(global['match'])
+
+        files = Dir[global['path'] + '/*'].sort.collect do |filename|
+          if matches = re.match(filename)
+            filename
+          end
+        end.compact
+      end
+    end
+
+    global['files'] = files
+    global['fileinfo_by_file'] = fileinfo_by_file
+
+    config['Global'] = global
+
+    scheduler = Scheduler.instance
+    config.each do |type, info|
+      if type != "Global"
+        if info['schedule']
+          info['publish_dates'] = scheduler.schedule(info['schedule'], files.length)
+        end
+      end
+    end
+
+    config
+  end
+
+  def load_yaml(file)
+    YAML::load(File.open(file, "r"))
+  end
+
+  def count_pattern(path)
+    "%0#{Math.log10(Dir[path].length).ceil}d"
+  end
+end
diff --git a/lib/minicomic-backend/file_processor.rb b/lib/minicomic-backend/file_processor.rb
new file mode 100644
index 0000000..ab7588e
--- /dev/null
+++ b/lib/minicomic-backend/file_processor.rb
@@ -0,0 +1,198 @@
+require 'minicomic-backend/svg_to_temp_bitmap'
+require 'minicomic-backend/temp_bitmap_to_web'
+require 'minicomic-backend/temp_bitmap_to_print'
+require 'minicomic-backend/temp_bitmap_to_paginated_print'
+
+class FileProcessor
+  attr_accessor :config, :paginated_source_files, :page_index
+
+  def initialize(config)
+    @page_index = 0
+    @config = config
+    @paginated_source_files = {}
+  end
+
+  def process!
+    @config['Global']['files'].each do |filename|
+      ok, fileinfo, filename = verify_filename(filename)
+
+      if ok
+        filename_display = (filename.instance_of? Array) ? filename.join(", ") : filename
+
+        puts "Examining #{filename_display}..."
+
+        config.each do |type, info|
+          if type != "Global"
+            fileinfo_key = (filename.instance_of? Array) ? filename.join(",") : filename
+
+            file_fileinfo = (@config['Global']['fileinfo_by_file'][fileinfo_key]) ? @config['Global']['fileinfo_by_file'][fileinfo_key] : {}
+
+            file_fileinfo = info.dup.merge(fileinfo).merge(file_fileinfo)
+
+            input_obj, output_obj, targets = construct_filters_and_targets(filename, file_fileinfo, ok)
+
+            if determine_rebuild(targets, filename)
+              any_rebuilt = true
+
+              puts "Rebuilding #{filename_display} (#{type})..."
+              puts "  Using #{filename} as a source"
+              puts "  and writing to #{targets.inspect}"
+
+              do_build(targets, filename, input_obj, output_obj)
+            end
+            if info['is_paginated']
+              if !@paginated_source_files[type]; @paginated_source_files[type] = []; end
+              @paginated_source_files[type] << targets
+            end
+          end
+        end
+
+        @page_index += 1
+      end
+    end
+
+    config.each do |type, info|
+      if info['is_paginated']
+        output = TempBitmapToPaginatedPrint
+
+        output_obj = output.instance
+        output_obj.config = info.dup
+
+        output_obj.paginate(paginated_source_files[type].flatten)
+      end
+    end
+  end
+
+  def verify_filename(filename)
+    ok = true
+    fileinfo = {}
+
+    if filename.instance_of? Hash
+      if filename['blank']
+        ok = false
+        @config.each do |type, info|
+          if info['is_paginated']
+            if !@paginated_source_files[type]
+              @paginated_source_files[type] = []
+            end
+            @paginated_source_files[type] << nil
+          end
+        end
+        @page_index += 1
+      else
+        if filename['file']
+          fileinfo = filename
+          filename = fileinfo['file']
+        else
+          ok = false
+        end
+      end
+    else
+      if @config['Global']
+        if @config['Global']['match']
+          ok = Regexp.new(@config['Global']['match']).match(filename)
+        end
+      end
+    end
+
+    [ ok, fileinfo, filename ]
+  end
+
+  def build_filename_parts(match_data)
+    filename_parts = {
+      'page_index' => sprintf(@config['Global']['page_index_format'], @page_index)
+    }
+
+    if match_data.is_a? MatchData
+      all, index, title = match_data.to_a
+    else
+      index = @page_index - 1
+      title = ""
+    end
+
+    if @config['Global']['title']
+      title = @config['Global']['title'].gsub("{index}", index).gsub("{title}", title)
+    end
+
+    filename_parts['index'] = index.to_i
+    filename_parts['title'] = title
+
+    filename_parts
+  end
+
+  def construct_filters_and_targets(filename, info, match_data)
+    input = nil; output = nil
+
+    extension = File.extname((filename.instance_of? Array) ? filename[0] : filename).downcase
+
+    case extension
+      when ".svg"
+        case File.extname(info['target']).downcase
+          when ".jpg", ".jpeg", ".png", ".gif"
+            input = ::SVGToTempBitmap
+            output = ::TempBitmapToWeb
+          when ".pdf"
+            input = ::SVGToTempBitmap
+            output = (info['is_paginated']) ? ::TempBitmapToPaginatedPrint : ::TempBitmapToPrint
+        end
+    end
+
+    if !input;  raise "No input handler for #{extension} defined"; end
+    if !output; raise "No output handler for #{File.extname(info['target']).downcase} defined"; end
+
+    input_obj = input.new
+    input_obj.config = info
+
+    output_obj = output.new
+    output_obj.config = info
+
+    if info['is_paginated']
+      output_obj.config['target'] += "-{page_index}.png"
+    end
+
+    targets = output_obj.targets(build_filename_parts(match_data))
+
+    [ input_obj, output_obj, targets ]
+  end
+
+  def file_mtime(file)
+    File.mtime(file)
+  end
+
+  def determine_rebuild(targets, filename)
+    rebuild = false
+
+    [ targets ].flatten.each do |t|
+      if !File.exists?(t)
+        rebuild = true
+        break
+      else
+        [ filename ].flatten.each do |f|
+          if File.basename(f) != "blank"
+            if file_mtime(f) > file_mtime(t)
+              rebuild = true
+              break
+            end
+          end
+        end
+      end
+    end
+
+    rebuild
+  end
+
+  def do_build(targets, filename, input_obj, output_obj)
+    tmp_files = input_obj.build(filename)
+
+    case tmp_files.class.to_s
+      when "String"
+        output_obj.build(tmp_files, targets)
+      when "Array"
+        [0, 1].each do |i|
+          output_obj.build(tmp_files[i], targets[i], (i == 0) ? "left" : "right")
+        end
+    end
+
+    input_obj.cleanup
+  end
+end
diff --git a/lib/minicomic-backend/filter.rb b/lib/minicomic-backend/filter.rb
new file mode 100644
index 0000000..772b63a
--- /dev/null
+++ b/lib/minicomic-backend/filter.rb
@@ -0,0 +1,60 @@
+require 'fileutils'
+
+class Filter
+  @config = {}
+  @cleanup = []
+
+  attr_accessor :config, :cleanup
+
+  def initialize
+    @config = {}
+    @cleanup = []
+  end
+
+  def cleanup
+    @cleanup.each do |f|
+      FileUtils.rm(f) if File.file?(f)
+    end
+  end
+
+  def recalc_pixels
+    if @config['print']
+      if !@config['dpi']; raise "DPI not defined"; end
+      if (@config['dpi'].to_i.to_s) != @config['dpi'].to_s; raise "DPI not integer"; end
+      if @config['width_inches'] && (@config['width_inches'].to_f != 0)
+        @config['width'] = (@config['width_inches'].to_f * @config['dpi'].to_f).to_i
+      else
+        @config.delete('width')
+      end
+      if @config['height_inches'] && (@config['height_inches'].to_f != 0)
+        @config['height'] = (@config['height_inches'].to_f * @config['dpi'].to_f).to_i
+      else
+        @config.delete('height')
+      end
+
+      if (!@config['width'] && !@config['height'])
+        raise "No dimensions defined!"
+      end
+    end
+  end
+
+  #
+  # Set the config
+  #
+  def config=(c)
+    @config = c
+
+    recalc_pixels
+  end
+
+  #
+  # Get the dimensions of a file
+  #
+  def get_dimensions(input)
+    dimensions = nil
+    IO.popen("identify -format '%w,%h' \"#{input}\"") do |fh|
+      dimensions = fh.readlines.first.split(",").collect { |d| d.to_i }
+    end
+    dimensions
+  end
+end
diff --git a/lib/minicomic-backend/image_processing.rb b/lib/minicomic-backend/image_processing.rb
new file mode 100644
index 0000000..b3cca47
--- /dev/null
+++ b/lib/minicomic-backend/image_processing.rb
@@ -0,0 +1,61 @@
+module ImageProcessing
+  def setup_inkscape(target)
+    params = []
+
+    width = @config['width']
+    height = @config['height']
+    inkscape_target = target
+
+    if @config['rotate']
+      case @config['rotate']
+        when 90, -90
+          t = width; width = height; height = t
+          inkscape_target = target + "-pre.png"
+      end
+    end
+
+    if width && (width.to_i != 0)
+      params << "-w #{width}"
+    end
+    if height && (height.to_i != 0)
+      params << "-h #{height}"
+    end
+
+    [ params, inkscape_target ]
+  end
+
+  #
+  # Build a PNG from an SVG file
+  #
+  def inkscape(input, target)
+    params, inkscape_target = setup_inkscape(target)
+
+    call_system("inkscape -e \"#{inkscape_target}\" -y 1.0 #{params.join(" ")} \"#{input}\"")
+
+    handle_inkscape_rotation(inkscape_target, target)
+  end
+
+  def handle_inkscape_rotation(inkscape_target, target)
+    if @config['rotate']
+      command = [
+        "\"#{inkscape_target}\"",
+        "-rotate #{@config['rotate']}",
+        "\"#{target}\""
+      ]
+
+      convert(command)
+      File.unlink(inkscape_target)
+    end
+  end
+
+  def convert(command, verbose = false)
+    if verbose
+      puts "convert " + (verbose ? "-verbose " : "" ) + [ command ].flatten.join(" ")
+    end
+    call_system("convert " + (verbose ? "-verbose " : "" ) + [ command ].flatten.join(" "))
+  end
+
+  def call_system(command)
+    Kernel.system(command)
+  end
+end
diff --git a/lib/minicomic-backend/input_filter.rb b/lib/minicomic-backend/input_filter.rb
new file mode 100644
index 0000000..70085f7
--- /dev/null
+++ b/lib/minicomic-backend/input_filter.rb
@@ -0,0 +1,10 @@
+require 'minicomic-backend/filter'
+
+class InputFilter < Filter
+  attr_accessor :output_filename
+
+  def initialize
+    super
+    @output_filename = "tmp.png"
+  end
+end
diff --git a/lib/minicomic-backend/output_filter.rb b/lib/minicomic-backend/output_filter.rb
new file mode 100644
index 0000000..1279e71
--- /dev/null
+++ b/lib/minicomic-backend/output_filter.rb
@@ -0,0 +1,17 @@
+require File.dirname(__FILE__) + '/Filter.rb'
+
+class OutputFilter < Filter
+  #
+  # get the output filename for this filter
+  #
+  def filename(info)
+    target = @config['target']
+    info.each { |k,v| target = target.gsub("{#{k}}", v.to_s) }
+    target
+  end
+
+  #
+  # get the output targets for this filter
+  #
+  def targets(info); filename(info); end
+end
diff --git a/lib/minicomic-backend/pagination.rb b/lib/minicomic-backend/pagination.rb
new file mode 100644
index 0000000..3d17cf3
--- /dev/null
+++ b/lib/minicomic-backend/pagination.rb
@@ -0,0 +1,47 @@
+#
+# Code to help with pagination
+#
+module Pagination
+  def paginate(files)
+    if !files.instance_of? Array; raise "File list must be an array"; end
+    if files.length == 0; raise "File list cannot be empty"; end
+    if (files.length % 4) != 0; raise "File list must be divisible by 4"; end
+
+    tmp_pdf_files = []
+    sheet_faces = setup_sheet_faces(files)
+
+    sheet_faces.each_index do |i|
+      f = @config['target'] + "-#{i}.pdf"
+      process_pagination(f, i, sheet_faces.length, *sheet_faces[i])
+      tmp_pdf_files << f
+    end
+
+    system("pdfjoin #{tmp_pdf_files.collect { |f| "\"#{f}\"" }.join(" ")} --outfile \"#{@config['target']}\"")
+  end
+
+  def setup_sheet_faces(files)
+    number_of_sheet_faces = (files.length / 4) * 2
+
+    sheet_faces = []
+
+    is_right = 1
+    is_descending = 1
+    sheet_face_index = 0
+
+    files.each do |file|
+      if !sheet_faces[sheet_face_index]; sheet_faces[sheet_face_index] = []; end
+
+      sheet_faces[sheet_face_index][is_right] = file
+      is_right = 1 - is_right
+
+      sheet_face_index += is_descending
+
+      if sheet_face_index == number_of_sheet_faces
+        sheet_face_index -= 1
+        is_descending = -1
+      end
+    end
+
+    sheet_faces
+  end
+end
diff --git a/lib/minicomic-backend/print_handling.rb b/lib/minicomic-backend/print_handling.rb
new file mode 100644
index 0000000..1016a48
--- /dev/null
+++ b/lib/minicomic-backend/print_handling.rb
@@ -0,0 +1,70 @@
+module PrintHandling
+  #
+  # calculate the page size in PPI
+  #
+  def calculate_page_size
+    ok = false
+
+    if @config['dpi']
+      if @config['page_size']
+        case @config['page_size'].downcase
+          when "letter", "letter_portrait"
+            page_width = 8.5; page_height = 11; ok = true
+          when "letter_landscape"
+            page_width = 11; page_height = 8.5; ok = true
+          when "half_letter_landscape"
+            page_width = 5.5; page_height = 8.5; ok = true
+        end
+      else
+        if @config['page_width_inches'] && @config['page_height_inches']
+          page_width = @config['page_width_inches']
+          page_height = @config['page_height_inches']
+          ok = true
+        end
+      end
+
+      if ok
+        page_width  *= @config['dpi'].to_i
+        page_height *= @config['dpi'].to_i
+      end
+    end
+
+    if !ok
+      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
diff --git a/lib/minicomic-backend/scheduler.rb b/lib/minicomic-backend/scheduler.rb
new file mode 100644
index 0000000..8425d67
--- /dev/null
+++ b/lib/minicomic-backend/scheduler.rb
@@ -0,0 +1,99 @@
+require 'singleton'
+
+class Scheduler
+  include Singleton
+
+  WEEKLY = [ 7 ]
+  DAILY  = [ 1 ]
+
+  def skip_to_dow(date, dow)
+    if dow.is_a? String
+      dow = Date::DAYNAMES.collect { |d| d.downcase }.index(dow.downcase)
+    end
+
+    if dow.is_a? Fixnum
+      while date.wday != dow
+        date += 1
+      end
+    end
+    date
+  end
+
+  def ok_to_add(date, index, prior, breaks)
+    ok = true
+    breaks.each do |i|
+      if i['from'] && i['to']
+        if (i['from'] <= date) && (i['to'] >= date)
+          ok = false
+        end
+      end
+
+      if i['at_index'] && i['for_days'] && prior
+        if i['at_index'] == index
+          ok = (date > (prior + i['for_days']))
+        end
+      end
+    end
+    ok
+  end
+
+  def schedule(parameters, to_produce)
+    dates = []
+
+    if parameters['start']
+      current = parameters['start']
+      prior = nil
+
+      breaks = parameters['breaks'] || []
+
+      all_strings = true
+      parameters['interval'].each do |i|
+        if !i.is_a? String
+          all_strings = false
+          break
+        end
+      end
+
+      if all_strings
+        parameters['interval'].each_index do |i|
+          interval = parameters['interval'].shift
+          if current == skip_to_dow(current, interval)
+            parameters['interval'].unshift(interval)
+            break
+          else
+            parameters['interval'].push(interval)
+          end
+        end
+      end
+
+      index = 0
+      while dates.length < to_produce
+        interval = parameters['interval'].shift
+
+        what_to_add = nil
+
+        if interval.is_a? String
+          current = skip_to_dow(current, interval)
+
+          what_to_add = 1
+        end
+
+        if ok_to_add(current, index, prior, breaks)
+          dates << current
+          prior = current
+          index += 1
+        end
+
+        if interval.is_a? Fixnum
+          what_to_add = interval
+        end
+
+        current += what_to_add
+
+        parameters['interval'] << interval
+      end
+    end
+
+    dates
+  end
+end
diff --git a/lib/minicomic-backend/svg_to_temp_bitmap.rb b/lib/minicomic-backend/svg_to_temp_bitmap.rb
new file mode 100644
index 0000000..703cc90
--- /dev/null
+++ b/lib/minicomic-backend/svg_to_temp_bitmap.rb
@@ -0,0 +1,120 @@
+require 'minicomic-backend/print_handling'
+require 'minicomic-backend/image_processing'
+require 'minicomic-backend/input_filter'
+
+class SVGToTempBitmap < InputFilter
+  include PrintHandling, ImageProcessing
+
+  #
+  # select which build method to use based on the number of provided images.
+  #
+  def build(input)
+    (input.instance_of? Array) ? multiple(input) : single(input)
+  end
+
+  #
+  # process a single input file, possibly splitting it into two output files if it's a spread
+  #
+  def single(input)
+    filename = Dir.pwd + '/' + @output_filename
+    inkscape(Dir.pwd + '/' + input, filename)
+    @cleanup << filename
+
+    if @config['spread']
+      targets = build_spread(filename)
+      @cleanup.concat targets
+      return targets
+    end
+
+    filename
+  end
+
+  def build_spread(filename)
+    width, height = get_dimensions(filename)
+    targets = []
+
+    [ [ "left", 0 ], [ "right", width / 2 ] ].each do |side, offset|
+      target = filename + "-#{side}.png"
+      command = [
+        "\"#{filename}\"",
+        "-gravity Northwest",
+        "-crop #{width/2}x#{height}+#{offset}+0",
+        "+repage",
+        "\"#{target}\""
+      ]
+
+      convert(command)
+
+      targets << target
+    end
+
+    targets
+  end
+
+  #
+  # combine multiple input files onto a single page-sized canvas.
+  # images are added left-to-right and top-to-bottom starting from the top-left of the page.
+  # leave a grid square blank by passing the filename "/blank".
+  #
+  def multiple(files)
+    if @config['spread']; raise "Spreads and grids combined do not make sense"; end
+
+    width, height = @config['grid'].split("x").collect { |f| f.to_f }
+
+    page_width, page_height = calculate_page_size
+
+    grid_width = page_width / width
+    grid_height = page_height / height
+
+    joined_files = join_files(files, width)
+
+    command = [
+      "-size #{page_width}x#{page_height}",
+      "xc:white"
+    ]
+
+    command.concat generate_joined_files_command(joined_files, grid_width, grid_height)
+
+    command << "\"#{@output_filename}\""
+
+    convert(command)
+
+    @cleanup.concat joined_files.collect { |file, x, y| file }
+    @cleanup << @output_filename
+
+    @output_filename
+  end
+
+  def join_files(files, width)
+    joined_files = []
+
+    files.each_index do |i|
+      x = i % width
+      y = (i / width).floor
+
+      if files[i].split('/').last != "blank"
+        tmp_file = @output_filename + "-#{i}.png"
+        inkscape(Dir.pwd + '/' + files[i], tmp_file)
+
+        joined_files << [ tmp_file, x, y ]
+      end
+    end
+
+    joined_files
+  end
+
+  def generate_joined_files_command(files, grid_width, grid_height)
+    command = []
+
+    files.each do |file, x, y|
+      image_width, image_height = get_dimensions(file)
+
+      x_offset = (grid_width - image_width) / 2
+      y_offset = (grid_height - image_height) / 2
+
+      command << "\"#{file}\" -geometry +#{x * grid_width + x_offset}+#{y * grid_height + y_offset} -composite"
+    end
+
+    command
+  end
+end
diff --git a/lib/minicomic-backend/temp_bitmap_to_paginated_print.rb b/lib/minicomic-backend/temp_bitmap_to_paginated_print.rb
new file mode 100644
index 0000000..c83a29d
--- /dev/null
+++ b/lib/minicomic-backend/temp_bitmap_to_paginated_print.rb
@@ -0,0 +1,47 @@
+require 'minicomic-backend/output_filter'
+require 'minicomic-backend/print_handling'
+require 'minicomic-backend/pagination'
+require 'minicomic-backend/image_processing'
+
+#
+# Convert bitmap files to a paginated print-ready file
+#
+class TempBitmapToPaginatedPrint < OutputFilter
+  include PrintHandling, Pagination, ImageProcessing
+
+  def build(input, output, side = "none")
+    build_for_print(input, output, side)
+  end
+
+  def targets(info)
+    (@config['spread'] == true) ? [ filename(info) + "-left.png", filename(info) + "-right.png" ] : filename(info)
+  end
+
+  def process_pagination(output, face, total_faces, left, right)
+    page_width, page_height = calculate_page_size
+
+    commands = [
+        "-size #{page_width * 2}x#{page_height}",
+        "xc:white"
+    ]
+
+    left_creep = 0
+    right_creep = 0
+    if @config['page_thickness']
+      max_creep = (total_faces / 2)
+
+      left_creep = ((max_creep - (face - max_creep).abs) * @config['page_thickness'].to_f * @config['dpi'].to_i).floor
+      right_creep = ((max_creep - (total_faces - face - max_creep).abs) * @config['page_thickness'].to_f  * @config['dpi'].to_i).floor
+    end
+
+    if left
+      commands << "\"#{left}\" -geometry +#{left_creep.to_i}+0 -composite"
+    end
+    if right
+      commands << "\"#{right}\" -geometry +#{(page_width + right_creep).to_i}+0 -composite"
+    end
+    commands << "-colorspace RGB -depth 8 pnm:- | sam2p -c:lzw -m:dpi:#{(72.0 * (72.0 / @config['dpi'].to_f))} - PDF:\"#{output}\""
+
+    convert(commands)
+  end
+end
diff --git a/lib/minicomic-backend/temp_bitmap_to_print.rb b/lib/minicomic-backend/temp_bitmap_to_print.rb
new file mode 100644
index 0000000..be2a1e8
--- /dev/null
+++ b/lib/minicomic-backend/temp_bitmap_to_print.rb
@@ -0,0 +1,17 @@
+require 'minicomic-backend/output_filter'
+require 'minicomic-backend/print_handling'
+
+#
+# Convert a bitmap to a single page print for proofing
+#
+class TempBitmapToPrint < OutputFilter
+  include PrintHandling
+
+  def build(input, output)
+    build_for_print(input, "| pbm:- | sam2p -c:lzw -m:dpi:#{calculate_dpi} - PDF:\"#{output}\"")
+  end
+
+  def calculate_dpi
+    (72.0 * (72.0 / @config['dpi'].to_f))
+  end
+end
diff --git a/lib/minicomic-backend/temp_bitmap_to_web.rb b/lib/minicomic-backend/temp_bitmap_to_web.rb
new file mode 100644
index 0000000..25a4c44
--- /dev/null
+++ b/lib/minicomic-backend/temp_bitmap_to_web.rb
@@ -0,0 +1,31 @@
+require 'minicomic-backend/output_filter'
+require 'minicomic-backend/image_processing'
+require 'fileutils'
+
+#
+# Process an input file for the Web
+#
+class TempBitmapToWeb < OutputFilter
+  include ImageProcessing
+
+  def build(input, output)
+    FileUtils.mkdir_p(File.split(output).first)
+    quality = @config['quality'] ? @config['quality'] : 80
+    convert("\"#{input}\" -quality #{quality} \"#{output}\"")
+  end
+
+  def filename(info)
+    info['date'] = @config['publish_dates'][info['index'].to_i - 1].strftime(@config['date_format'])
+    info['subdir'] = ''
+    if @config['subdirs']
+      @config['subdirs'].each do |dir, subdir_info|
+        if Range.new(subdir_info['from'].to_i, subdir_info['to'].to_i).include? info['index'].to_i
+          info['subdir'] = dir + File::SEPARATOR
+          break
+        end
+      end
+    end
+
+    super(info)
+  end
+end