Class: Prawn::SVG::Percentage

Inherits:
Object
  • Object
show all
Defined in:
lib/prawn/svg/percentage.rb

Constant Summary collapse

REGEXP = 
/\A([+-]?\d*(?:\.\d+)?)%\z/i.freeze

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.parse(value, positive_only: false) ⇒ Object 



6
7
8
9
10
11
 
# File 'lib/prawn/svg/percentage.rb', line 6

def self.parse(value, positive_only: false)
  if (matches = value.match(REGEXP))
    number = Float(matches[1], exception: false)
    new(number) if number && (!positive_only || number >= 0)
  end
end

Instance Method Details

#to_f ⇒ Object 



13
14
15
 
# File 'lib/prawn/svg/percentage.rb', line 13

def to_f
  value
end

#to_factor ⇒ Object 



17
18
19
 
# File 'lib/prawn/svg/percentage.rb', line 17

def to_factor
  value / 100.0
end

#to_pixels(axis_length, _font_size) ⇒ Object 



21
22
23
 
# File 'lib/prawn/svg/percentage.rb', line 21

def to_pixels(axis_length, _font_size)
  value * axis_length / 100.0
end