class Asciidoctor::PDF::Optimizer
Constants
- QUALITY_NAMES
Attributes
compatibility_level[R]
compliance[R]
quality[R]
Public Class Methods
new(quality = 'default', compatibility_level = '1.4', compliance = 'PDF')
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# File lib/asciidoctor/pdf/optimizer.rb, line 49 def initialize quality = 'default', compatibility_level = '1.4', compliance = 'PDF' @quality = QUALITY_NAMES[quality] @compatibility_level = compatibility_level @compliance = compliance if (gs_path = ::ENV['GS']) ::RGhost::Config::GS[:path] = gs_path end end
Public Instance Methods
optimize_file(target)
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# File lib/asciidoctor/pdf/optimizer.rb, line 58 def optimize_file target ::Dir::Tmpname.create ['asciidoctor-pdf-', '.pdf'] do |tmpfile| filename_o = ::Pathname.new target filename_tmp = ::Pathname.new tmpfile if (pdfmark = filename_o.sub_ext '.pdfmark').file? inputs = [target, pdfmark.to_s].join ::File::PATH_SEPARATOR else inputs = target end d = { CannotEmbedFontPolicy: '/Warning', CompatibilityLevel: @compatibility_level, NEWPDF: false, Printed: false } case @compliance when 'PDF/A', 'PDF/A-1', 'PDF/A-2', 'PDF/A-3' d[:PDFA] = ((@compliance.split '-', 2)[1] || 1).to_i d[:ShowAnnots] = false when 'PDF/X', 'PDF/X-1', 'PDF/X-3' d[:PDFX] = true d[:ShowAnnots] = false end (::RGhost::Convert.new inputs).to :pdf, filename: filename_tmp.to_s, quality: @quality, d: d filename_o.binwrite filename_tmp.binread end nil end