Method: MiniGL::TextField#draw

Defined in:
lib/minigl/forms.rb

#draw(alpha = 0xff, z_index = 0, color = 0xffffff, disabled_color = 0x808080) ⇒ Object

Draws the text field in the screen.

Parameters:

alpha

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

z_index

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 image.

disabled_color

Color to apply a filter to the image when the field is disabled.



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# File 'lib/minigl/forms.rb', line 965

def draw(alpha = 0xff, z_index = 0, color = 0xffffff, disabled_color = 0x808080)
  @z_index = z_index
  return unless @visible

  color = (alpha << 24) | ((@enabled or @disabled_img) ? color : disabled_color)
  text_color = (alpha << 24) | (@enabled ? @text_color : @disabled_text_color)
  img = ((@enabled or @disabled_img.nil?) ? @img : @disabled_img)
  img.draw @x, @y, z_index, @scale_x, @scale_y, color
  @font.draw_text @text, @text_x, @text_y, z_index, @scale_x, @scale_y, text_color

  if @anchor1 and @anchor2
    selection_color = ((alpha / 2) << 24) | @selection_color
    G.window.draw_quad @nodes[@anchor1], @text_y, selection_color,
                       @nodes[@anchor2] + 1, @text_y, selection_color,
                       @nodes[@anchor2] + 1, @text_y + @font.height * @scale_y, selection_color,
                       @nodes[@anchor1], @text_y + @font.height * @scale_y, selection_color, z_index
  end

  if @cursor_visible
    if @cursor_img
      @cursor_img.draw @nodes[@cur_node] - (@cursor_img.width * @scale_x) / 2, @text_y, z_index, @scale_x, @scale_y
    else
      cursor_color = alpha << 24
      G.window.draw_quad @nodes[@cur_node], @text_y, cursor_color,
                         @nodes[@cur_node] + 1, @text_y, cursor_color,
                         @nodes[@cur_node] + 1, @text_y + @font.height * @scale_y, cursor_color,
                         @nodes[@cur_node], @text_y + @font.height * @scale_y, cursor_color, z_index
    end
  end
end