Class: Glimmer::LibUI::Shape::Arc

Inherits:
Glimmer::LibUI::Shape show all
Defined in:
lib/glimmer/libui/shape/arc.rb

Constant Summary

Constants inherited from Glimmer::LibUI::Shape

KEYWORD_ALIASES

Instance Attribute Summary

Attributes inherited from Glimmer::LibUI::Shape

#args, #block, #content_added, #keyword, #parent

Instance Method Summary collapse

Methods inherited from Glimmer::LibUI::Shape

#absolute_c1_x, #absolute_c1_y, #absolute_c2_x, #absolute_c2_y, #absolute_end_x, #absolute_end_y, #absolute_point_array, #absolute_x, #absolute_x_center, #absolute_y, #absolute_y_center, #area_proxy, #can_handle_listener?, #composite_shape, constant_symbol, #content, create, #destroy, exists?, #fill, #handle_listener, #implicit_path?, #initialize, #method_missing, parameter_defaults, parameters, #path_proxy, #post_add_content, #post_initialize_child, #redraw, #request_auto_redraw, #respond_to?, shape_class, #stroke, #transform

Methods included from DataBindable

#data_bind, #data_bind_read, #data_bind_write, #data_binding_model_attribute_observer_registrations

Methods included from PerfectShaped

#bounding_box, #contain?, #include?, #move

Methods included from Parent

#children, #post_initialize_child

Constructor Details

This class inherits a constructor from Glimmer::LibUI::Shape

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Glimmer::LibUI::Shape

Instance Method Details

#draw(area_draw_params) ⇒ Object 



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# File 'lib/glimmer/libui/shape/arc.rb', line 31

def draw(area_draw_params)
  arc_args = @args.dup
  arc_args[3] = Glimmer::LibUI.degrees_to_radians(arc_args[3])
  arc_args[4] = Glimmer::LibUI.degrees_to_radians(arc_args[4])
  arc_args[5] = Glimmer::LibUI.boolean_to_integer(arc_args[5], allow_nil: false)
  if parent.is_a?(Figure) && parent.x.nil? && parent.y.nil?
    ::LibUI.draw_path_new_figure_with_arc(path_proxy.libui, *arc_args)
  else
    if OS.windows? && parent.children.find {|child| child.is_a?(Arc)} == self
      ::LibUI.draw_path_new_figure_with_arc(path_proxy.libui, *arc_args)
    else
      ::LibUI.draw_path_arc_to(path_proxy.libui, *arc_args)
    end
  end
  super
end

#move_by(x_delta, y_delta) ⇒ Object 



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# File 'lib/glimmer/libui/shape/arc.rb', line 48

def move_by(x_delta, y_delta)
  self.x_center += x_delta
  self.y_center += y_delta
end

#perfect_shape ⇒ Object 



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# File 'lib/glimmer/libui/shape/arc.rb', line 53

def perfect_shape
  require 'perfect-shape'
  the_perfect_shape_dependencies = perfect_shape_dependencies
  if the_perfect_shape_dependencies != @perfect_shape_dependencies
    absolute_x_center, absolute_y_center, radius, start_angle, sweep, is_negative = @perfect_shape_dependencies = the_perfect_shape_dependencies
    sign = is_negative ? 1 : -1
    start = is_negative ? (360 - start_angle) : -1*start_angle
    extent = is_negative ? (360 - sweep) : -1*sweep
    @perfect_shape = PerfectShape::Arc.new(
      type: :open,
      center_x: absolute_x_center, center_y: absolute_y_center,
      radius_x: radius, radius_y: radius,
      start: start, extent: extent
    )
  end
  @perfect_shape
end

#perfect_shape_dependencies ⇒ Object 



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# File 'lib/glimmer/libui/shape/arc.rb', line 71

def perfect_shape_dependencies
  [absolute_x_center, absolute_y_center, radius, start_angle, sweep, is_negative]
end