Class: Glimmer::SWT::Custom::Shape::Arc

Inherits:
Glimmer::SWT::Custom::Shape show all
Defined in:
lib/glimmer/swt/custom/shape/arc.rb

Constant Summary

Constants inherited from Glimmer::SWT::Custom::Shape

String

Instance Attribute Summary

Attributes inherited from Glimmer::SWT::Custom::Shape

#args, #drawable, #extent, #name, #options, #parent, #properties, #shapes

Instance Method Summary collapse

Methods inherited from Glimmer::SWT::Custom::Shape

#absolute_x, #absolute_y, #add_shape, #all_parent_properties, #amend_method_name_options_based_on_properties!, #apply_property_arg_conversions, #apply_shape_arg_conversions!, #apply_shape_arg_defaults!, arg_options, #background_pattern_args, #calculate_args!, #calculate_paint_args!, #calculated_args?, #calculated_args_changed!, #calculated_args_changed_for_defaults!, #calculated_height, #calculated_paint_args_changed!, #calculated_width, #calculated_x, #calculated_y, #can_handle_observation_request?, #center_x, #center_y, #clear_shapes, #composite?, #container?, #content, #convert_properties!, #converted_properties, create, #current_parameter_name?, #default_height, #default_height?, #default_width, #default_width?, #default_x, #default_x?, #default_y, #default_y?, #dispose, #drag_and_move, #drag_and_move=, #drag_source, #drag_source=, #draw?, drop_shapes, #ensure_extent, #expanded_shapes, #fill?, flyweight_method_names, flyweight_patterns, #foreground_pattern_args, gc_instance_methods, #get_attribute, #get_data, #get_parameter_attribute, #gradient?, #handle_observation_request, #has_attribute?, #has_some_background?, #has_some_foreground?, #height_delta, #height_delta=, #include_with_children?, #initialize, #inspect, #inverse_transform_point, keywords, #location, #location_parameter_names, #max_height, #max_height?, #max_width, #max_width?, #method_missing, method_name, #move_by, #paint, #paint_children, #paint_self, #parameter_index, #parameter_name?, #parent_shape_composites, #parent_shape_containers, #parent_shapes, #pattern, pattern, #pattern_args, #possible_parameter_names, #post_add_content, #respond_to?, #rotate, #rotation_angle, #round?, #set_attribute, #set_data, #set_parameter_attribute, #tolerate_shape_extra_args!, valid?, #width_delta, #width_delta=, #x_delta, #x_delta=, #x_end, #y_delta, #y_delta=, #y_end

Methods included from Properties

attribute_getter, #attribute_getter, attribute_setter, #attribute_setter, normalized_attribute, #normalized_attribute, ruby_attribute_getter, #ruby_attribute_setter, ruby_attribute_setter

Constructor Details

This class inherits a constructor from Glimmer::SWT::Custom::Shape

Dynamic Method Handling

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

Instance Method Details

#boundsObject



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# File 'lib/glimmer/swt/custom/shape/arc.rb', line 40

def bounds
  shape_bounds = geometry.getBounds2D
  org.eclipse.swt.graphics.Rectangle.new(shape_bounds.x, shape_bounds.y, shape_bounds.width, shape_bounds.height)
end

#contain?(x, y) ⇒ Boolean

checks if shape contains the point denoted by x and y

Returns:

  • (Boolean)


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# File 'lib/glimmer/swt/custom/shape/arc.rb', line 55

def contain?(x, y)
  x, y = inverse_transform_point(x, y)
  geometry.contains(x, y)
end

#geometryObject



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# File 'lib/glimmer/swt/custom/shape/arc.rb', line 50

def geometry
  java.awt.geom.Arc2D::Double.new(self.absolute_x, self.absolute_y, calculated_width, calculated_height, start_angle, arc_angle, java.awt.geom.Arc2D::PIE)
end

#include?(x, y) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'lib/glimmer/swt/custom/shape/arc.rb', line 60

def include?(x, y)
  if filled?
    contain?(x, y)
  else
    x, y = inverse_transform_point(x, y)
    # give it some fuzz to allow a larger region around the drawn oval to accept including a point (helps with mouse clickability on a shape)
    outer_shape_geometry = java.awt.geom.Arc2D::Double.new(self.absolute_x, self.absolute_y, calculated_width + 3, calculated_height + 3, start_angle, arc_angle, java.awt.geom.Arc2D::PIE)
    inner_shape_geometry = java.awt.geom.Arc2D::Double.new(self.absolute_x, self.absolute_y, calculated_width - 3, calculated_height - 3, start_angle, arc_angle, java.awt.geom.Arc2D::PIE)
    outer_shape_geometry.contains(x, y) && !inner_shape_geometry.contains(x, y)
  end
end

#irregular?Boolean

Returns:

  • (Boolean)


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# File 'lib/glimmer/swt/custom/shape/arc.rb', line 72

def irregular?
  true
end

#parameter_namesObject



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# File 'lib/glimmer/swt/custom/shape/arc.rb', line 36

def parameter_names
  [:x, :y, :width, :height, :start_angle, :arc_angle]
end

#sizeObject



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# File 'lib/glimmer/swt/custom/shape/arc.rb', line 45

def size
  shape_bounds = geometry.getBounds2D
  org.eclipse.swt.graphics.Point.new(shape_bounds.width, shape_bounds.height)
end