Class: CardPrinter::Renderer

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

Constant Summary collapse

TITLE_SIZE = 
10.mm
DESCRIPTION_SIZE = 
7.mm

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(stories, opts = {}) ⇒ Renderer

Returns a new instance of Renderer.



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# File 'lib/card_printer/renderer.rb', line 14

def initialize(stories, opts = {})
  @stories = stories
end

Class Method Details

.description ⇒ Object 



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# File 'lib/card_printer/renderer.rb', line 10

def self.description
  "two a5 cards on one a4 sheet"
end

Instance Method Details

#render_to(destination) ⇒ Object 



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# File 'lib/card_printer/renderer.rb', line 18

def render_to(destination)
  @pdf = Prawn::Document.new(:page_layout => :portrait,
                           :margin      => 10.mm,
                           :page_size   => 'A4')

  @stories.each_slice(2).with_index do |story_pair, i|
    @pdf.start_new_page unless i == 0
    render_page(story_pair)
  end

  @pdf.render_file destination
rescue Exception
  puts "[!] There was an error while generating the PDF file... What happened was:"
  raise
end