Class: PerfectShape::Circle

Inherits:
Ellipse show all
Defined in:
lib/perfect_shape/circle.rb

Constant Summary collapse

MESSAGE_WIDTH_AND_HEIGHT_AND_DIAMETER_NOT_EQUAL = 
'Circle width, height, and diameter must all be equal if more than one is specified; or otherwise keep only one of them in arguments!'
MESSAGE_RADIUS_X_AND_RADIUS_Y_AND_RADIUS_NOT_EQUAL = 
'Circle radius_x, radius_y, and radius must all be equal if more than one is specified; or otherwise keep only one of them in arguments!'

Constants inherited from Ellipse

Ellipse::MESSAGE_CANNOT_UPDATE_ATTRIUBTE

Constants inherited from Arc

Arc::DEFAULT_OUTLINE_RADIUS, Arc::TYPES

Instance Attribute Summary

Attributes inherited from Arc

#extent, #start, #type

Attributes included from RectangularShape

#height, #width

Attributes included from PointLocation

#x, #y

Instance Method Summary collapse

Methods inherited from Ellipse

#contain?, #extent=, #start=, #type=

Methods inherited from Arc

#btan, #center_x, #center_x=, #center_y, #center_y=, #contain?, #contain_angle?, #end_point, #height, #intersect?, #radius_x, #radius_y, #start_point, #to_path_shapes, #width, #x, #x=, #y, #y=

Methods included from RectangularShape

#max_x, #max_y

Methods included from PointLocation

#first_point, #min_x, #min_y

Methods inherited from Shape

#==, #bounding_box, #center_point, #center_x, #center_y, #contain?, #height, #max_x, #max_y, #min_x, #min_y, #width

Constructor Details

#initialize(x: 0, y: 0, width: nil, height: nil, diameter: nil, center_x: nil, center_y: nil, radius_x: nil, radius_y: nil, radius: nil) ⇒ Circle

Returns a new instance of Circle.

Raises:



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# File 'lib/perfect_shape/circle.rb', line 29

def initialize(x: 0, y: 0, width: nil, height: nil, diameter: nil, center_x: nil, center_y: nil, radius_x: nil, radius_y: nil, radius: nil)
  raise MESSAGE_WIDTH_AND_HEIGHT_AND_DIAMETER_NOT_EQUAL if (diameter && width && diameter != width) || (diameter && height && diameter != height) || (width && height && width != height)
  raise MESSAGE_RADIUS_X_AND_RADIUS_Y_AND_RADIUS_NOT_EQUAL if (radius && radius_x && radius != radius_x) || (radius && radius_y && radius != radius_y) || (radius_x && radius_y && radius_x != radius_y)
  if center_x && center_y && (radius || radius_x || radius_y)
    radius ||= radius_x || radius_y
    self.radius = radius
    super(center_x: center_x, center_y: center_y, radius_x: self.radius_x, radius_y: self.radius_y)
  else
    diameter ||= width || height || 1
    self.diameter = diameter
    super(x: x, y: y, width: self.width, height: self.height)
  end
end

Instance Method Details

#diameter ⇒ Object 



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# File 'lib/perfect_shape/circle.rb', line 43

def diameter
  @radius ? @radius * BigDecimal('2.0') : @diameter
end

#diameter=(value) ⇒ Object

Sets length, normalizing to BigDecimal



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# File 'lib/perfect_shape/circle.rb', line 52

def diameter=(value)
  @diameter = BigDecimal(value.to_s)
  @radius = nil
  self.width = @diameter unless width == @diameter
  self.height = @diameter unless height == @diameter
end

#height=(value) ⇒ Object 



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# File 'lib/perfect_shape/circle.rb', line 73

def height=(value)
  super
  self.diameter = @height unless diameter == @height
  self.width = @height unless width == @height
end

#radius ⇒ Object 



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# File 'lib/perfect_shape/circle.rb', line 47

def radius
  @diameter ? @diameter / BigDecimal('2.0') : @radius
end

#radius=(value) ⇒ Object

Sets radius, normalizing to BigDecimal



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# File 'lib/perfect_shape/circle.rb', line 60

def radius=(value)
  @radius = BigDecimal(value.to_s)
  @diameter = nil
  self.radius_x = @radius unless @width == @radius
  self.radius_y = @radius unless @height == @radius
end

#radius_x=(value) ⇒ Object 



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# File 'lib/perfect_shape/circle.rb', line 79

def radius_x=(value)
  super
  self.radius = @radius_x unless radius == @radius_x
  self.radius_y = @radius_x unless radius_y == @radius_x
end

#radius_y=(value) ⇒ Object 



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# File 'lib/perfect_shape/circle.rb', line 85

def radius_y=(value)
  super
  self.radius = @radius_y unless radius == @radius_y
  self.radius_x = @radius_y unless radius_x == @radius_y
end

#width=(value) ⇒ Object 



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# File 'lib/perfect_shape/circle.rb', line 67

def width=(value)
  super
  self.diameter = @width unless diameter == @width
  self.height = @width unless height == @width
end