Module: Kramdown::Converter::Pdf::PrawnDocumentExtension

Defined in:
lib/kramdown/converter/pdf.rb

Overview

This module gets mixed into the Prawn::Document instance.

Defined Under Namespace

Modules: CustomBox

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#converter ⇒ Object

Access the converter instance from within Prawn



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# File 'lib/kramdown/converter/pdf.rb', line 487

def converter
  @converter
end

Instance Method Details

#embed_image(pdf_obj, info, options) ⇒ Object

Override image embedding method for adding image positions to #image_floats.



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# File 'lib/kramdown/converter/pdf.rb', line 494

def embed_image(pdf_obj, info, options)
  # find where the image will be placed and how big it will be
  w, h = info.calc_image_dimensions(options)

  if options[:at]
    x, y = map_to_absolute(options[:at])
  else
    x, y = image_position(w, h, options)
    move_text_position h
  end

  #--> This part is new
  if options[:position] == :right
    image_floats << [page_number, x - 15, y, w + 15, h + 15]
  end

  # add a reference to the image object to the current page
  # resource list and give it a label
  label = "I#{next_image_id}"
  state.page.xobjects[label] = pdf_obj

  # add the image to the current page
  instruct = "\nq\n%.3f 0 0 %.3f %.3f %.3f cm\n/%s Do\nQ"
  add_content(sprintf(instruct, w, h, x, y - h, label))
end

#image_floats ⇒ Object 



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# File 'lib/kramdown/converter/pdf.rb', line 489

def image_floats
  @image_floats ||= []
end