class Libis::Format::Converter::PdfWatermarkerImage
Public Class Methods
input_types()
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# File lib/libis/format/converter/pdf_watermarker_image.rb, line 13 def self.input_types [:PDF] end
new()
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Calls superclass method
Libis::Format::Converter::Base::new
# File lib/libis/format/converter/pdf_watermarker_image.rb, line 26 def initialize super @options[:opacity] = '0.3' end
output_types(format = nil)
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# File lib/libis/format/converter/pdf_watermarker_image.rb, line 17 def self.output_types(format = nil) return [] unless input_types.include?(format) if format [:PDF] end
Public Instance Methods
convert(source, target, format, opts = {})
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Calls superclass method
Libis::Format::Converter::Base#convert
# File lib/libis/format/converter/pdf_watermarker_image.rb, line 39 def convert(source, target, format, opts = {}) super result = convert_pdf(source, target) return nil unless result result end
convert_pdf(source, target)
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noinspection DuplicatedCode
# File lib/libis/format/converter/pdf_watermarker_image.rb, line 50 def convert_pdf(source, target) using_temp(target) do |tmpname| result = Libis::Format::Tool::PdfWatermark.run( source, tmpname, 'image', @options.map {|k, v| if v.nil? nil else ["--#{k}", v.to_s] end }.compact.flatten + [@file] ) unless result[:err].empty? error("Pdf conversion encountered errors:\n%s", result[:err].join(join("\n"))) next nil end tmpname end end
file(v)
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# File lib/libis/format/converter/pdf_watermarker_image.rb, line 31 def file(v) @file = v end
opacity(v)
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# File lib/libis/format/converter/pdf_watermarker_image.rb, line 35 def opacity(v) @options[:opacity] = v unless v.blank? end
pdf_watermark_image(_)
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# File lib/libis/format/converter/pdf_watermarker_image.rb, line 22 def pdf_watermark_image(_) #force usage of this converter end