Module: Asciidoctor::PDF::FormattedText::TextBackgroundAndBorderRenderer

Defined in:
lib/asciidoctor/pdf/formatted_text/text_background_and_border_renderer.rb

Constant Summary collapse

DummyText = 
?\u0000

Class Method Summary collapse

Class Method Details

.render_behind(fragment) ⇒ Object

render_behind is called before the text is printed



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# File 'lib/asciidoctor/pdf/formatted_text/text_background_and_border_renderer.rb', line 10

def render_behind fragment
  return if (pdf = fragment.document).scratch?
  data = fragment.format_state
  if data[:inline_block]
    padding = (height = fragment.line_height) - fragment.height
    at = [fragment.left, fragment.top + padding * 0.5]
    #width = data[:extend] ? (pdf.bounds.width - fragment.left) : fragment.width
    width = pdf.bounds.width - fragment.left
    fragment.conceal true # if fragment.text == DummyText
  elsif (border_offset = data[:border_offset])
    at = [fragment.left, fragment.top + border_offset]
    width = fragment.width
    height = fragment.height + border_offset * 2
  else
    at = fragment.top_left
    width = fragment.width
    height = fragment.height
  end
  border_radius = data[:border_radius] || 0
  if (background_color = data[:background_color])
    prev_fill_color = pdf.fill_color
    pdf.fill_color background_color
    if border_radius > 0
      pdf.fill_rounded_rectangle at, width, height, border_radius
    else
      pdf.fill_rectangle at, width, height
    end
    pdf.fill_color prev_fill_color
  end
  if (border_width = data[:border_width]) && (border_color = data[:border_color])
    prev_stroke_color = pdf.stroke_color
    prev_line_width = pdf.line_width
    pdf.stroke_color border_color
    pdf.line_width border_width
    border_radius > 0 ? (pdf.stroke_rounded_rectangle at, width, height, border_radius) : (pdf.stroke_rectangle at, width, height)
    pdf.stroke_color prev_stroke_color
    pdf.line_width prev_line_width
  end
  nil
end