Method: ChemScanner::ChemDraw::BaseValue#cdx_text

Defined in:

lib/chem_scanner/chem_draw/node/base_value.rb

#cdx_text(data) ⇒ Object

# File 'lib/chem_scanner/chem_draw/node/base_value.rb', line 196

def cdx_text(data)
  style_runs = read_int(data[0, 2], true)
  text_pos = style_runs * 10 + 2
  plain = data[text_pos, data.size - text_pos]

  styles = cdx_styles(data[2..-1], style_runs)
  if styles.empty?
    return [{ text: plain, font: 3, face: 0, size: 8, color: 0 }]
  end

  plain_arr = plain.dup.split("")

  styled_text = []
  styles.each_with_index do |style, idx|
    t_start = style.delete(:start)
    t_end = (styles[idx + 1] || {}).fetch(:start, plain.length)
    text = plain_arr[t_start..t_end - 1].join("")
    style[:text] = text
    style[:size] = style[:size] / 20
    styled_text.push(style)
  end

  styled_text
end