Class: Presto::Dimensions

Inherits:
Struct
  • Object
show all
Defined in:
lib/presto/dimensions.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Attribute Details

#height ⇒ Object

Returns the value of attribute height

Returns:

  • (Object) —

    the current value of height



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# File 'lib/presto/dimensions.rb', line 2

def height
  @height
end

#width ⇒ Object

Returns the value of attribute width

Returns:

  • (Object) —

    the current value of width



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# File 'lib/presto/dimensions.rb', line 2

def width
  @width
end

Class Method Details

.resize(from_w, from_h, to_w = nil, to_h = nil) ⇒ Object 



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# File 'lib/presto/dimensions.rb', line 3

def self.resize from_w, from_h, to_w=nil, to_h=nil
	if to_w && to_h
		w = to_w
		h = to_h
	elsif to_w
		w = to_w
		scale_x = to_w / from_w.to_f
		h = (scale_x * from_h).round
	elsif to_h
		h = to_h
		scale_y = to_h / from_h.to_f
		w = (scale_y * from_w).round
	else
		w = from_w
		h = from_h
	end
	
	new(w, h)
end