class CompositorNode::Resizer
Attributes
height[RW]
source[RW]
width[RW]
Public Class Methods
new(options = {})
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# File lib/compositor_node/resizer.rb, line 7 def initialize(options = {}) @source = options[:source] @width = options[:width] @height = options[:height] end
Public Instance Methods
execute()
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# File lib/compositor_node/resizer.rb, line 13 def execute raise MissingDimensionResizeError unless @width || @height source = @source.execute unless @width && @height original_width = Engine.width(source) original_height = Engine.height(source) if @width ratio = original_width / @width.to_f @height = original_height / ratio elsif @height ratio = original_height / @height.to_f @width = original_width / ratio end end Engine.resize(source, @width, @height) end