Class: HexaPDF::Document

Inherits:
Object
  • Object
show all
Defined in:
lib/pdf_paradise/hexapdf/hexapdf.rb

Instance Method Summary collapse

Instance Method Details

#add_this_font(font_path = '/usr/share/fonts/truetype/hack/Hack-Regular.ttf') ⇒ Object Also known as: add_font

#

add_this_font

This method can be used to add a specific font.

#


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# File 'lib/pdf_paradise/hexapdf/hexapdf.rb', line 39

def add_this_font(
    font_path = '/usr/share/fonts/truetype/hack/Hack-Regular.ttf'
  )
  case font_path
  # ======================================================================= #
  # === :hack
  # ======================================================================= #
  when :hack,
       :default
    font_path = '/usr/share/fonts/truetype/hack/Hack-Regular.ttf'
  end
  puts "Adding the font from: #{font_path}"
  return self.fonts.add(font_path)
end

#create_pie_chart(use_this_stroke_colour = :default, use_this_fill_colour = 'ddddff', radius = 75, store_into_this_pdf_file = 'arcs.pdf') ⇒ Object Also known as: pie_chart

#

create_pie_chart

#


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# File 'lib/pdf_paradise/hexapdf/hexapdf.rb', line 57

def create_pie_chart(
    # doc                      = HexaPDF::Document.new,
    use_this_stroke_colour   = :default,
    use_this_fill_colour     = 'ddddff',
    radius                   = 75,
    store_into_this_pdf_file = 'arcs.pdf'
  )
  doc = self
  if use_this_stroke_colour.is_a? Hash
    # ===================================================================== #
    # === :store_into
    #
    # Usage example:
    #
    #   create_pie_chart(doc, store_into: 'bla.pdf')
    #
    # ===================================================================== #
    if use_this_stroke_colour.has_key? :store_into
      store_into_this_pdf_file = use_this_stroke_colour.delete(:store_into)
      use_this_stroke_colour   = :default
    end
  end
  case use_this_stroke_colour
  when :default
    use_this_stroke_colour = '777777'
  end
  page = doc.pages.add # Add a new page.
  canvas = page.canvas
  # ======================================================================= #
  # A centered pie chart:
  # ======================================================================= #
  center = [page.box.width * 0.75, page.box.height * 0.85]
  canvas.stroke_color(use_this_stroke_colour)
  pie = canvas.graphic_object(:solid_arc, cx: center[0], cy: center[1],
                               outer_a: radius, outer_b: radius)
  canvas.fill_color(use_this_fill_colour)
  canvas.draw(pie, start_angle: 30, end_angle: 110).fill_stroke
  canvas.fill_color('ffdddd')
  canvas.draw(pie, start_angle: 110, end_angle: 130).fill_stroke
  canvas.fill_color('ddffdd')
  canvas.draw(pie, start_angle: 130, end_angle: 30).fill_stroke
  doc.write(store_into_this_pdf_file, optimize: true)
  return canvas
end

#optimize_this_pdf_file(this_pdf_file = '/Depot/j/foobar.pdf', store_into_this_pdf_file = 'optimized_pdf_file.pdf') ⇒ Object Also known as: optimise_this_pdf_file

#

optimize_this_pdf_file

This method can be used to optimise a given .pdf file.

#


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# File 'lib/pdf_paradise/hexapdf/hexapdf.rb', line 24

def optimize_this_pdf_file(
    this_pdf_file            = '/Depot/j/foobar.pdf',
    store_into_this_pdf_file = 'optimized_pdf_file.pdf'
  )
  HexaPDF.optimize_this_pdf_file(
    this_pdf_file,
    store_into_this_pdf_file
  )
end