Contents

module GBDev
  
  module PDF
  
    # A page that represents a PDF page.
    class Page
      
      # String template : A path to the template file
      def initialize(template)
        @template = template
        @fields = {}
        @images = {}
      end
      
      # Sets a known text field in the PDF template.
      #
      # key : A known field in the PDF.
      # value : The value to apply to the know field.
      def set_text(key, value)
        @fields[key] = value
      end
      
      # Alias for set_text method
      alias :text :set_text
      
      # Sets a know image area in the PDF template.
      #
      # key : A known field in the PDF.
      # value : The image to apply to the know image area.
      def set_image(key, value)
        @images[key] = value
      end
      
      # Alias for the set_image method
      alias :image :set_image    
      
      # Renders the template with the given data and saves to the given filename path.
      #
      # String filename : A path to the file to be created.  
      def save_to(filename)              
        field_cache = HashMap.new
        reader = PdfReader.new(@template)
        stamper = PdfStamper.new( reader, FileOutputStream.new(filename) )
        form = stamper.getAcroFields()
        form.setFieldCache(field_cache)

        @fields.each do |field, value|
          form.setField(field.to_s, value.to_s)
        end

        stamper.setFormFlattening(true)
        stamper.close                    
      end
      
      def display
      end
      
      def save_and_display(filename)
        save(filename)
        display
      end
      
      include Gbdev::Utils::PrivateMethods
      
    end # End Page

  end # End PDF

end # End GBDev

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
gbdev-pdf_filler-0.2.0	lib/pdf_filler/page.rb