Class: Svgcode::SVG::Point

Inherits:
Object
  • Object
show all
Defined in:
lib/svgcode/svg/point.rb

Constant Summary collapse

VALUE_SEP = 
/\s?,\s?/
OBJECT_SEP = 
/\s+/

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(str_or_x, y = nil) ⇒ Point

Returns a new instance of Point.



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# File 'lib/svgcode/svg/point.rb', line 9

def initialize(str_or_x, y = nil)
  if y.nil?
    parts = str_or_x.split(VALUE_SEP)
    @x = parts.first.to_f
    @y = parts.last.to_f
  else
    @x = str_or_x.to_f
    @y = y.to_f
  end
end

Instance Attribute Details

#x ⇒ Object (readonly)

Returns the value of attribute x.



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# File 'lib/svgcode/svg/point.rb', line 4

def x
  @x
end

#y ⇒ Object (readonly)

Returns the value of attribute y.



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# File 'lib/svgcode/svg/point.rb', line 4

def y
  @y
end

Class Method Details

.parse(str) ⇒ Object 



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# File 'lib/svgcode/svg/point.rb', line 77

def self.parse(str)
  str.split(OBJECT_SEP).collect { |p| Point.new(p.strip) }
end

Instance Method Details

#*(point_or_num) ⇒ Object 



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# File 'lib/svgcode/svg/point.rb', line 44

def *(point_or_num)
  if point_or_num.is_a?(Point)
    Point.new(@x / point_or_num.x, @y / point_or_num.y)
  else
    Point.new(@x / point_or_num, @y / point_or_num)
  end
end

#+(point_or_num) ⇒ Object 



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# File 'lib/svgcode/svg/point.rb', line 28

def +(point_or_num)
  if point_or_num.is_a?(Point)
    Point.new(@x + point_or_num.x, @y + point_or_num.y)
  else
    Point.new(@x + point_or_num, @y + point_or_num)
  end
end

#-(point_or_num) ⇒ Object 



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# File 'lib/svgcode/svg/point.rb', line 36

def -(point_or_num)
  if point_or_num.is_a?(Point)
    Point.new(@x - point_or_num.x, @y - point_or_num.y)
  else
    Point.new(@x - point_or_num, @y - point_or_num)
  end
end

#/(point_or_num) ⇒ Object 



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# File 'lib/svgcode/svg/point.rb', line 52

def /(point_or_num)
  if point_or_num.is_a?(Point)
    Point.new(@x / point_or_num.x, @y / point_or_num.y)
  else
    Point.new(@x / point_or_num, @y / point_or_num)
  end
end

#==(other) ⇒ Object 



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# File 'lib/svgcode/svg/point.rb', line 69

def ==(other)
  other.is_a?(self.class) && other.x.eql?(@x) && other.y.eql?(@y)
end

#divide_by!(amount) ⇒ Object 



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# File 'lib/svgcode/svg/point.rb', line 60

def divide_by!(amount)
  @x /= amount
  @y /= amount
end

#flip_y!(max_y) ⇒ Object 



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# File 'lib/svgcode/svg/point.rb', line 65

def flip_y!(max_y)
  @y = max_y - @y
end

#negate_y ⇒ Object 



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# File 'lib/svgcode/svg/point.rb', line 20

def negate_y
  Point.new(@x, -@y)
end

#negate_y! ⇒ Object 



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# File 'lib/svgcode/svg/point.rb', line 24

def negate_y!
  @y = -@y
end

#to_s ⇒ Object 



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# File 'lib/svgcode/svg/point.rb', line 73

def to_s
  "#{@x},#{@y}"
end