Method: MiniGL::ProgressBar#draw

Defined in:
lib/minigl/forms.rb

#draw(alpha = 0xff, z_index = 0, color = 0xffffff) ⇒ Object

Draws the progress bar.

Parameters:

alpha

(Fixnum) The opacity with which the progress bar will be drawn. Allowed values vary between 0 (fully transparent) and 255 (fully opaque).

z_index

(Fixnum) The z-order to draw the object. Objects with larger z-orders will be drawn on top of the ones with smaller z-orders.

color

Color to apply a filter to the images (when these are provided).



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# File 'lib/minigl/forms.rb', line 1232

def draw(alpha = 0xff, z_index = 0, color = 0xffffff)
  return unless @visible

  if @bg
    c = (alpha << 24) | color
    @bg.draw @x, @y, z_index, @scale_x, @scale_y, c
  else
    c = (alpha << 24) | @bg_color
    G.window.draw_quad @x, @y, c,
                       @x + @w, @y, c,
                       @x + @w, @y + @h, c,
                       @x, @y + @h, c, z_index
  end
  if @fg
    c = (alpha << 24) | color
    w1 = @fg.width * @scale_x
    w2 = (@value.to_f / @max_value * @w).round
    x0 = @x + @fg_margin_x
    x = 0
    while x <= w2 - w1
      @fg.draw x0 + x, @y + @fg_margin_y, z_index, @scale_x, @scale_y, c
      x += w1
    end
    if w2 - x > 0
      img = Gosu::Image.new(@fg_path, tileable: true, retro: @retro, rect: [0, 0, ((w2 - x) / @scale_x).round, @fg.height])
      img.draw x0 + x, @y + @fg_margin_y, z_index, @scale_x, @scale_y, c
    end
  else
    c = (alpha << 24) | @fg_color
    rect_r = @x + (@value.to_f / @max_value * @w).round
    G.window.draw_quad @x, @y, c,
                       rect_r, @y, c,
                       rect_r, @y + @h, c,
                       @x, @y + @h, c, z_index
  end
  if @font
    c = (alpha << 24) | @text_color
    @text = @format == '%' ? "#{(@value.to_f / @max_value * 100).round}%" : "#{@value}/#{@max_value}"
    @font.draw_text_rel @text, @x + @w / 2, @y + @h / 2, z_index, 0.5, 0.5, @scale_x, @scale_y, c
  end
end