48 lines
1.2 KiB
Ruby
48 lines
1.2 KiB
Ruby
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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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tmp_pdf_files = []
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sheet_faces = setup_sheet_faces(files)
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sheet_faces.each_index 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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def setup_sheet_faces(files)
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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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sheet_faces
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end
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end
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