534 lines
14 KiB
Ruby
Executable File
534 lines
14 KiB
Ruby
Executable File
#!/usr/bin/ruby
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require 'yaml'
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require 'time'
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Dir[File.dirname(__FILE__) + "/classes/*.rb"].each do |file|
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require file
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end
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class OutputFilter < Filter
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#
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# get the output filename for this filter
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#
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def filename(info)
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target = @config['target']
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info.each { |k,v| target = target.gsub("{#{k}}", v.to_s) }
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target
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end
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#
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# get the output targets for this filter
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#
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def targets(info); filename(info); end
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end
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module PrintHandling
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#
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# calculate the page size in PPI
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#
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def calculate_page_size
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if @config['dpi']
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if @config['page_size']
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case @config['page_size'].downcase
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when "letter", "letter_portrait"
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page_width = 8.5; page_height = 11
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when "letter_landscape"
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page_width = 11; page_height = 8.5
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when "half_letter_landscape"
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page_width = 5.5; page_height = 8.5
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end
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else
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page_width = @config['page_width_inches']
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page_height = @config['page_height_inches']
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end
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page_width *= @config['dpi']
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page_height *= @config['dpi']
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else
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page_width = @config['page_width']
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page_height = @config['page_height']
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end
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[ page_width, page_height ]
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end
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#
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# align the provided image on a white page
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#
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def build_for_print(input, output, side = "none")
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page_width, page_height = calculate_page_size
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command = [
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"-density #{config['dpi']}",
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"-size #{page_width.to_i}x#{page_height.to_i}",
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"xc:white"
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]
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case side
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when "none"
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command << "-gravity Center"
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when "left"
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command << "-gravity East"
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when "right"
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command << "-gravity West"
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end
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command << "-draw 'image Over 0,0 0,0 \"#{input}\"'"
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if output[0,1] == "|"
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command << output[1..-1]
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else
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command << "\"#{output}\""
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end
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convert(command)
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end
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end
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class SVGToTempBitmap < InputFilter
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include PrintHandling
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#
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# select which build method to use based on the number of provided images.
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#
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def build(input)
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(input.instance_of? Array) ? multiple(input) : single(input)
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end
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#
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# process a single input file, possibly splitting it into two output files if it's a spread
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#
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def single(input)
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filename = Dir.pwd + '/' + OutputFilename
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inkscape(input, filename)
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@cleanup << filename
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if @config['spread']
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width, height = get_dimensions(filename)
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targets = []
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[ [ "left", 0 ], [ "right", width / 2 ] ].each do |side, offset|
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target = filename + "-#{side}.png"
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command = [
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"\"#{filename}\"",
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"-gravity Northwest",
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"-crop #{width/2}x#{height}+#{offset}+0",
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"+repage",
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"\"#{target}\""
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]
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convert(command)
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targets << target
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@cleanup << target
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end
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return targets
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end
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return filename
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end
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#
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# combine multiple input files onto a single page-sized canvas.
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# images are added left-to-right and top-to-bottom starting from the top-left of the page.
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# leave a grid square blank by passing the filename "/blank".
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#
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def multiple(files)
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if @config['spread']; raise "Spreads and grids combined do not make sense"; end
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width, height = @config['grid'].split("x").collect { |f| f.to_f }
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joined_files = []
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page_width, page_height = calculate_page_size
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grid_width = page_width / width
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grid_height = page_height / height
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0.upto(files.length - 1) do |i|
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x = i % width
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y = (i / width).floor
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if files[i].split('/').last != "blank"
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tmp_svg_output = OutputFilename + "-#{i}.png"
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inkscape(Dir.pwd + '/' + files[i], tmp_svg_output)
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joined_files << [ tmp_svg_output, x, y ]
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@cleanup << tmp_svg_output
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end
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end
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command = [
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"-size #{page_width}x#{page_height}",
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"xc:white"
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]
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joined_files.each do |file, x, y|
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image_width, image_height = get_dimensions(file)
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x_offset = (grid_width - image_width) / 2
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y_offset = (grid_height - image_height) / 2
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command << "\"#{file}\" -geometry +#{x * grid_width + x_offset}+#{y * grid_height + y_offset} -composite"
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end
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command << OutputFilename
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convert(command)
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@cleanup << OutputFilename
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OutputFilename
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end
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end
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#
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# Process an input file for the Web
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#
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class TempBitmapToWeb < OutputFilter
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def build(input, output)
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quality = @config['quality'] ? @config['quality'] : 80
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convert("\"#{input}\" -quality #{quality} \"#{output}\"")
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end
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def filename(info)
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if !@config['start_date']; raise "Must define a start date!"; end
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if !@config['period']; raise "Must define a period!"; end
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index = info['index'].to_i
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if index == 0 && @config['announce_date']
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comic_date = @config['announce_date']
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else
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day_of_week = 0
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weeks_from_start = 0
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case @config['period']
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when "daily"
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day_of_week = index % 5
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weeks_from_start = (index / 5).floor
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when "weekly"
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weeks_from_start = index
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end
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if @config['delay_at_index'] && @config['delay_length_weeks']
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if index >= @config['delay_at_index']
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weeks_from_start += @config['delay_length_weeks']
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end
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end
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comic_date = Time.parse(@config['start_date']) + ((((day_of_week + weeks_from_start * 7) * 24) + 6) * 60 * 60)
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end
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info['date'] = comic_date.strftime("%Y-%m-%d")
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super(info)
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end
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end
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#
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# Code to help with pagination
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#
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module Pagination
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def paginate(files)
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if !files.instance_of? Array; raise "File list must be an array"; end
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if files.length == 0; raise "File list cannot be empty"; end
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if (files.length % 4) != 0; raise "File list must be divisible by 4"; end
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number_of_sheet_faces = (files.length / 4) * 2
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sheet_faces = []
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is_right = 1
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is_descending = 1
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sheet_face_index = 0
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files.each do |file|
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if !sheet_faces[sheet_face_index]; sheet_faces[sheet_face_index] = []; end
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sheet_faces[sheet_face_index][is_right] = file
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is_right = 1 - is_right
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sheet_face_index += is_descending
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if sheet_face_index == number_of_sheet_faces
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sheet_face_index -= 1
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is_descending = -1
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end
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end
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tmp_pdf_files = []
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0.upto(sheet_faces.length - 1) do |i|
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f = @config['target'] + "-#{i}.pdf"
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process_pagination(f, i, sheet_faces.length, *sheet_faces[i])
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tmp_pdf_files << f
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end
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system("pdfjoin #{tmp_pdf_files.collect { |f| "\"#{f}\"" }.join(" ")} --outfile \"#{@config['target']}\"")
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end
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end
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#
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# Convert a bitmap to a single page print for proofing
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#
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class TempBitmapToPrint < OutputFilter
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include PrintHandling
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def build(input, output)
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build_for_print(input, "| pbm:- | sam2p -c:lzw -m:dpi:#{(72.0 * (72.0 / @config['dpi'].to_f))} - PDF:\"#{output}\"")
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end
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end
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#
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# Convert bitmap files to a paginated print-ready file
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#
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class TempBitmapToPaginatedPrint < OutputFilter
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include PrintHandling, Pagination
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def build(input, output, side = "none")
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build_for_print(input, output, side)
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end
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def targets(info)
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(@config['spread'] == true) ? [ filename(info) + "-left.png", filename(info) + "-right.png" ] : filename(info)
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end
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def process_pagination(output, face, total_faces, left, right)
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page_width, page_height = calculate_page_size
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commands = [
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"-size #{page_width * 2}x#{page_height}",
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"xc:white"
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]
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left_creep = 0
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right_creep = 0
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if @config['page_thickness']
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max_creep = (total_faces / 2)
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left_creep = ((max_creep - (face - max_creep).abs) * @config['page_thickness'].to_f * @config['dpi'].to_i).floor
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right_creep = ((max_creep - (total_faces - face - max_creep).abs) * @config['page_thickness'].to_f * @config['dpi'].to_i).floor
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end
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if left
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commands << "\"#{left}\" -geometry +#{left_creep.to_i}+0 -composite"
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end
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if right
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commands << "\"#{right}\" -geometry +#{(page_width + right_creep).to_i}+0 -composite"
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end
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commands << "-colorspace RGB -depth 8 pnm:- | sam2p -c:lzw -m:dpi:#{(72.0 * (72.0 / @config['dpi'].to_f))} - PDF:\"#{output}\""
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convert(commands)
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end
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end
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any_rebuilt = false
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any_rsync = false
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if !ARGV[0]
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puts "Usage: #{File.basename(__FILE__)} <path to YAML file>"
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exit 0
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end
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if !File.exists?(ARGV[0])
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puts "#{ARGV[0]} doesn't exist!"
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exit 1
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end
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config = YAML::load(File.open(ARGV[0], "r"))
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global = config['Global']
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if !global['path']; exit 1; end
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page_index_format = global['page_index_format'] ? global['page_index_format'] : "%0#{Math.log10(Dir[global['path']].length).ceil}d"
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page_index = 1
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fileinfo_by_file = {}
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if global['pages']
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re = nil
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files = global['pages'].collect do |f|
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result = nil
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case f.class.to_s
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when 'String'
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result = global['path'] + f
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if f == "blank"
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fileinfo_by_file[result] = { 'file' => f }
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end
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when 'Hash'
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if f['file']
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case f['file'].class.to_s
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when 'String'
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result = global['path'] + f['file']
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fileinfo_by_file[result] = f
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when 'Array'
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result = f['file'].collect { |sub_f| global['path'] + sub_f }
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fileinfo_by_file[result.join(",")] = f
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end
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else
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result = f
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end
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end
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result
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end
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else
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re = Regexp.new(global['match'])
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files = Dir[global['path']].sort.collect do |filename|
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if matches = re.match(filename)
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filename
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end
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end
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end
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paginated_source_files = {}
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rsync_files_by_target = {}
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files.each do |filename|
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ok = true; matches = nil; fileinfo = {}
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if filename.instance_of? Hash
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if filename['blank']
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ok = false
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config.each do |type, info|
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if info['is_paginated']
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if !paginated_source_files[type]; paginated_source_files[type] = []; end
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paginated_source_files[type] << nil
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end
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end
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page_index += 1
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else
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fileinfo = filename
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filename = fileinfo['file']
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end
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else
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if re; ok = matches = re.match(filename); end
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end
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if ok
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filename_display = (filename.instance_of? Array) ? filename.join(", ") : filename
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puts "Examining #{filename_display}..."
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filename_parts = {
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'page_index' => sprintf(page_index_format, page_index)
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}
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if matches
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all, index, title = matches.to_a
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else
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index = page_index - 1
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title = ""
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end
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if global['title']; title = global['title'].gsub("{index}", index).gsub("{title}", title); end
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filename_parts['index'] = index
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filename_parts['title'] = title
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config.each do |type, info|
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if type != "Global"
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input = nil; output = nil
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fileinfo_key = (filename.instance_of? Array) ? filename.join(",") : filename
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file_fileinfo = (fileinfo_by_file[fileinfo_key]) ? fileinfo_by_file[fileinfo_key] : {}
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extension = File.extname((filename.instance_of? Array) ? filename[0] : filename).downcase
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case extension
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when ".svg"
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case File.extname(config[type]['target']).downcase
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when ".jpg", ".jpeg", ".png", ".gif"
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input = SVGToTempBitmap
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output = TempBitmapToWeb
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when ".pdf"
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input = SVGToTempBitmap
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output = (info['is_paginated']) ? TempBitmapToPaginatedPrint : TempBitmapToPrint
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end
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end
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if !input; raise "No input handler for #{extension} defined"; end
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if !output; raise "No output handler for #{File.extname(config[type]['target']).downcase} defined"; end
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input_obj = input.instance
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input_obj.config = info.dup.merge(fileinfo).merge(file_fileinfo)
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output_obj = output.instance
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output_obj.config = info.dup.merge(fileinfo).merge(file_fileinfo)
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if info['is_paginated']
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output_obj.config['target'] += "-{page_index}.png"
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end
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targets = output_obj.targets(filename_parts)
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rebuild = false
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[ targets ].flatten.each do |t|
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if !File.exists?(t)
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rebuild = true
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else
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[ filename ].flatten.each do |f|
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if File.basename(f) != "blank"
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if File.mtime(f) > File.mtime(t)
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rebuild = true
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end
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end
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end
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end
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end
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if rebuild
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any_rebuilt = true
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puts "Rebuilding #{filename_display} (#{type})..."
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puts " Using #{filename} as a source"
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puts " and writing to #{targets.inspect}"
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tmp_files = input_obj.build(filename)
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output_files = []
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case tmp_files.class.to_s
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when "String"
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output_obj.build(tmp_files, targets)
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output_files << targets
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when "Array"
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[0,1].each do |i|
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output_obj.build(tmp_files[i], targets[i], (i == 0) ? "left" : "right")
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output_files << targets[i]
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end
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end
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input_obj.cleanup
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end
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if info['is_paginated']
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if !paginated_source_files[type]; paginated_source_files[type] = []; end
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paginated_source_files[type] << targets
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end
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if info['rsync']
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if !rsync_files_by_target[info['rsync']]; rsync_files_by_target[info['rsync']] = []; end
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rsync_files_by_target[info['rsync']] << targets
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end
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end
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end
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page_index += 1
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end
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end
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config.each do |type, info|
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if info['is_paginated']
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output = TempBitmapToPaginatedPrint
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output_obj = output.instance
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output_obj.config = info.dup
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output_obj.paginate(paginated_source_files[type].flatten)
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end
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if info['rsync']
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system("echo '#{rsync_files_by_target[info['rsync']].join("\n")}' | rsync -vru --files-from=- . #{info['rsync']}")
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end
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end
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if global['use_git']
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system("git add .")
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system("git commit -a")
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end
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