Method: PREP::Core::Label#draw

Defined in:
lib/core/label.rb

#draw(prep, region, value, stop_on_drawable = nil) ⇒ Object

指定された領域を元に再計算して描画を実施



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# File 'lib/core/label.rb', line 89

def draw(prep, region, value, stop_on_drawable = nil)
  if self === stop_on_drawable
    raise ReRenderJump.new(region)
  end
  STDERR.puts("Draw on #{self.class} #{self.identifier}") if ENV['DEBUG']
  # 領域判定
  calculate_region(prep, region, value)
  # 文字列指定があるかを確認
  if value.nil? || value.to_s == ""
    string = self.label.dup
  else
    string = value.to_s
  end
  # 文字列指定に変数がある場合は判定
  string.gsub!("[[[current_page_number]]]", prep.current_page_number.to_s)
  string.gsub!("[[[total_page_count]]]", prep.total_pages.to_s)
  # 文字列の描画
  font = prep.pdf.get_font(self.font, "90ms-RKSJ-H")
  prep.current_page.begin_text
  prep.current_page.set_rgb_fill(@color.red.to_f, @color.green.to_f, @color.blue.to_f)
  region_backup = @region.dup
  if @expand_region
    @region = @expand_region.dup
    @expand_region = nil
  end
  left, top = calculate_pos(prep.current_page, region, @region.x, @region.y)
  right, bottom = left + @region.width, top - @region.height
  prep.current_page.set_font_and_size(font, @size)
  prep.current_page.text_rect(left, top, right, bottom,
                              NKF.nkf("--oc=cp932 -W8", string), @align)
  prep.current_page.end_text
  @region = region_backup
  prep.current_page.drawed = true
end