Class: PREP::Core::ArcRectangle

Inherits:
Rectangle show all
Defined in:
lib/core/arc_rectangle.rb

Overview

角丸矩形描画構成要素クラス

Constant Summary

Constants inherited from Rectangle

Rectangle::FILL_PATTERNS, Rectangle::STYLES

Instance Attribute Summary collapse

Attributes inherited from Rectangle

#expand, #fill_color, #fill_pattern, #line_color, #line_style, #line_width, #region

Attributes inherited from Drawable

#identifier, #layer

Instance Method Summary collapse

Methods inherited from Rectangle

#calculate_region, #expand_region

Methods inherited from Drawable

#<=>, #calculate_pos, #calculate_region, #key_string_to_symbol, #rewind_current_page, #visible?

Constructor Details

#initialize(identifier, values = { }) ⇒ ArcRectangle

Returns a new instance of ArcRectangle.



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# File 'lib/core/arc_rectangle.rb', line 21

def initialize(identifier, values = { })
  values = @@default_values.merge(key_string_to_symbol(values))
  @round_arc = values.delete(:round_arc)

  if @round_arc.nil?
    raise "round_arc must be specified for arc_rectangle."
  else
    @round_arc = @round_arc.mm2pixcel
  end

  super(identifier, values)
end

Instance Attribute Details

#round_arc ⇒ Object (readonly)

Returns the value of attribute round_arc.



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# File 'lib/core/arc_rectangle.rb', line 19

def round_arc
  @round_arc
end

Instance Method Details

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

角丸矩形の描画



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# File 'lib/core/arc_rectangle.rb', line 35

def draw(prep, region, values, 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, values)

  if visible?(values)
    # 円弧描画時は 5% 太さを上げる
    prep.current_page.set_line_width(@line_width.to_f * 1.05)
    unless @line_color.white?
      prep.current_page.set_rgb_stroke(@line_color.red.to_f,
                                       @line_color.green.to_f,
                                       @line_color.blue.to_f)
    end
    unless @fill_color.white?
      prep.current_page.set_rgb_fill(@fill_color.red.to_f,
                                     @fill_color.green.to_f,
                                     @fill_color.blue.to_f)
    end
  end

  region_backup = @region.dup
  if @expand_region
    @region = @expand_region.dup
    @expand_region = nil
  end
  pos_x, pos_y = calculate_pos(prep.current_page, region, @region.x, @region.y)

  if visible?(values)
    ### 塗り潰し描画
    unless @fill_color.white?
      # 縦方向
      prep.current_page.rectangle(pos_x + @round_arc, pos_y - @region.height,
                                  @region.width - (@round_arc * 2), @region.height)
      prep.current_page.fill
      # 横方向
      prep.current_page.rectangle(pos_x, pos_y - @region.height + @round_arc,
                                  @region.width, @region.height - (@round_arc * 2))
      prep.current_page.fill
    end

    # ここからが本番
    ### ４角の円弧を描画
    # 左上
    unless @fill_color.white?
      prep.current_page.move_to(pos_x + @round_arc, pos_y - @round_arc)
      prep.current_page.line_to(pos_x, pos_y - @round_arc)
      prep.current_page.arc(pos_x + @round_arc,
                            pos_y - @round_arc,
                            @round_arc, 360 * 0.75, 360)
      prep.current_page.line_to(pos_x + @round_arc, pos_y - @round_arc)
      prep.current_page.fill
    end
    unless @line_color.white?
      prep.current_page.arc(pos_x + @round_arc,
                            pos_y - @round_arc,
                            @round_arc, 360 * 0.75, 360)
      prep.current_page.stroke
    end
    # 右上
    unless @fill_color.white?
      prep.current_page.move_to(pos_x + @region.width - @round_arc, pos_y - @round_arc)
      prep.current_page.line_to(pos_x + @region.width - @round_arc, pos_y)
      prep.current_page.arc(pos_x + @region.width - @round_arc,
                            pos_y - @round_arc,
                            @round_arc, 0, 360 * 0.25)
      prep.current_page.line_to(pos_x + @region.width - @round_arc, pos_y - @round_arc)
      prep.current_page.fill
    end
    unless @line_color.white?
      prep.current_page.arc(pos_x + @region.width - @round_arc,
                            pos_y - @round_arc,
                            @round_arc, 0, 360 * 0.25)
      prep.current_page.stroke
    end
    # 左下
    unless @fill_color.white?
      prep.current_page.move_to(pos_x + @round_arc, pos_y - @region.height + @round_arc)
      prep.current_page.line_to(pos_x + @round_arc, pos_y - @region.height)
      prep.current_page.arc(pos_x + @round_arc,
                            pos_y - @region.height + @round_arc,
                            @round_arc, 360 * 0.5, 360 * 0.75)
      prep.current_page.line_to(pos_x + @round_arc, pos_y - @region.height + @round_arc)
      prep.current_page.fill
    end
    unless @line_color.white?
      prep.current_page.arc(pos_x + @round_arc,
                            pos_y - @region.height + @round_arc,
                            @round_arc, 360 * 0.5, 360 * 0.75)
      prep.current_page.stroke
    end
    # 右下
    unless @fill_color.white?
      prep.current_page.move_to(pos_x + @region.width - @round_arc, pos_y - @region.height + @round_arc)
      prep.current_page.line_to(pos_x + @region.width, pos_y - @region.height + @round_arc)
      prep.current_page.arc(pos_x + @region.width - @round_arc,
                            pos_y - @region.height + @round_arc,
                            @round_arc, 360 * 0.25, 360 * 0.5)
      prep.current_page.line_to(pos_x + @region.width - @round_arc, pos_y - @region.height + @round_arc)
      prep.current_page.fill
    end
    unless @line_color.white?
      prep.current_page.arc(pos_x + @region.width - @round_arc,
                            pos_y - @region.height + @round_arc,
                            @round_arc, 360 * 0.25, 360 * 0.5)
      prep.current_page.stroke
    end

    # 元の太さへ
    prep.current_page.set_line_width(@line_width.to_f)

    # ### ４辺描画
    unless @line_color.white?
      # 上
      prep.current_page.move_to(pos_x + @round_arc,                 pos_y)
      prep.current_page.line_to(pos_x + @region.width - @round_arc, pos_y)
      prep.current_page.stroke
      # 下
      prep.current_page.move_to(pos_x + @round_arc,                 pos_y - @region.height)
      prep.current_page.line_to(pos_x + @region.width - @round_arc, pos_y - @region.height)
      prep.current_page.stroke
      # 左
      prep.current_page.move_to(pos_x,                              pos_y - @region.height + @round_arc)
      prep.current_page.line_to(pos_x,                              pos_y - @round_arc)
      prep.current_page.stroke
      # 右
      prep.current_page.move_to(pos_x + @region.width,              pos_y - @region.height + @round_arc)
      prep.current_page.line_to(pos_x + @region.width,              pos_y - @round_arc)
      prep.current_page.stroke
    end
  end

  @region = region_backup
  prep.current_page.drawed = true
end