Class: Plushie::Canvas::Shape::Scale

Inherits:
Data
  • Object
show all
Defined in:
lib/plushie/canvas/shape/transform.rb

Overview

Scales the canvas coordinate system.

Use x/y for independent axis scaling, or factor for uniform scaling.

Examples:

Independent

Scale.new(x: 2.0, y: 0.5)

Uniform

Scale.new(factor: 2.0)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(x: nil, y: nil, factor: nil) ⇒ Scale

Returns a new instance of Scale.



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# File 'lib/plushie/canvas/shape/transform.rb', line 47

def initialize(x: nil, y: nil, factor: nil)
  super
end

Instance Attribute Details

#factor ⇒ Object (readonly)

Returns the value of attribute factor

Returns:

  • (Object) —

    the current value of factor



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# File 'lib/plushie/canvas/shape/transform.rb', line 46

def factor
  @factor
end

#x ⇒ Object (readonly)

Returns the value of attribute x

Returns:

  • (Object) —

    the current value of x



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# File 'lib/plushie/canvas/shape/transform.rb', line 46

def x
  @x
end

#y ⇒ Object (readonly)

Returns the value of attribute y

Returns:

  • (Object) —

    the current value of y



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# File 'lib/plushie/canvas/shape/transform.rb', line 46

def y
  @y
end

Instance Method Details

#to_wire ⇒ Hash

Returns wire-ready transform map.

Returns:

  • (Hash) —

    wire-ready transform map



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# File 'lib/plushie/canvas/shape/transform.rb', line 52

def to_wire
  h = {type: "scale"}
  h[:x] = x if x
  h[:y] = y if y
  h[:factor] = factor if factor
  h
end