Class: Bookify::Renderer

Inherits:
Object
  • Object
show all
Defined in:
lib/bookify/renderer.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(layout: :portrait, columns: 2, output_file:, input_file: nil, input_text: nil, column_spacer: nil, margin: 50, page_size: nil) ⇒ Renderer

Returns a new instance of Renderer.



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# File 'lib/bookify/renderer.rb', line 20

def initialize(layout: :portrait, columns: 2, output_file:, input_file: nil, input_text: nil, column_spacer: nil, margin: 50, page_size: nil)
  @layout = layout
  @columns = columns
  @output_file = output_file
  @input_file = input_file
  @input_text = input_text
  @column_spacer = column_spacer
  @margin = margin
  @page_size = page_size
end

Instance Attribute Details

#column_spacer ⇒ Object

Returns the value of attribute column_spacer.



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# File 'lib/bookify/renderer.rb', line 2

def column_spacer
  @column_spacer
end

#columns ⇒ Object

Returns the value of attribute columns.



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# File 'lib/bookify/renderer.rb', line 2

def columns
  @columns
end

#input_file ⇒ Object

Returns the value of attribute input_file.



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# File 'lib/bookify/renderer.rb', line 2

def input_file
  @input_file
end

#input_text ⇒ Object

Returns the value of attribute input_text.



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# File 'lib/bookify/renderer.rb', line 2

def input_text
  @input_text
end

#layout ⇒ Object

Returns the value of attribute layout.



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# File 'lib/bookify/renderer.rb', line 2

def layout
  @layout
end

#margin ⇒ Object

Returns the value of attribute margin.



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# File 'lib/bookify/renderer.rb', line 2

def margin
  @margin
end

#output_file ⇒ Object

Returns the value of attribute output_file.



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# File 'lib/bookify/renderer.rb', line 2

def output_file
  @output_file
end

#page_size ⇒ Object

Returns the value of attribute page_size.



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# File 'lib/bookify/renderer.rb', line 2

def page_size
  @page_size
end

Class Method Details

.from_args(args) ⇒ Object 



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# File 'lib/bookify/renderer.rb', line 4

def self.from_args(args)
  if ["-l", "--landscape"].include?(args[0])
    args.shift
    layout = :landscape
    columns = 3
  else
    layout = :portrait
    columns = 2
  end

  input_file = args[0]
  output_file = args[1] || input_file.split("/").last.gsub(/\.\w+/, ".pdf")

  new(layout: layout, columns: columns, input_file: input_file, output_file: output_file)
end

Instance Method Details

#render ⇒ Object 



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# File 'lib/bookify/renderer.rb', line 31

def render
  doc_opts = {margin: margin, page_layout: layout, page_size: page_size}.compact
  Bookify::Sections.reset

  Prawn::Document.generate(output_file, doc_opts) do |pdf|
    font_path = "#{File.dirname(__FILE__)}/../../fonts"

    pdf.font_families["Book Antiqua"] = {
      normal: {file: "#{font_path}/BookAntiqua.ttf"},
      bold: {file: "#{font_path}/BookAntiqua-Bold.ttf"},
      italic: {file: "#{font_path}/BookAntiqua-Italic.ttf"},
      bold_italic: {file: "#{font_path}/BookAntiqua-BoldItalic.ttf"}
    }

    pdf.fill_color "000000"
    pdf.stroke_color "333333"
    pdf.line_width(0.5)
    pdf.default_leading 0.5

    pdf.column_box [0, pdf.cursor], columns: columns, width: pdf.bounds.width, spacer: (column_spacer || pdf.font_size) do
      doc.children.each { |c| Bookify::Node.render(c, pdf) }
    end

    Bookify::Sections.all.each do |section|
      pdf.outline.section(section[:title], destination: section[:dest]) do
        section[:subsections].each do |subsection|
          pdf.outline.page title: subsection[:title], destination: subsection[:dest]
        end
      end
    end
  end
end