Module: RScale::Processor

Defined in:
lib/rscale/geometry.rb,
lib/rscale/processor.rb

Defined Under Namespace

Classes: Convert, Geometry

Constant Summary collapse

@@sharp_level = 
[0.5, 0.5]
@@silent = 
true

Class Method Summary collapse

Class Method Details

.process(file_in, file_out, opts = {}) ⇒ Object 



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# File 'lib/rscale/processor.rb', line 31

def self.process(file_in, file_out, opts={})
  src = Geometry.from_file(file_in)      
  dst = Geometry.parse(opts[:size])
  sz = dst.ratio > src.ratio ? "#{dst.width}x" : "x#{dst.height}"
  opts[:crop] = true unless opts.key?(:crop)
  
  convert = Convert.new(file_in, file_out) do |c|
    c.add(:resize, sz)
    c.add(:gravity, 'Center')
    c.add(:crop, "#{dst}+0+0") if opts[:crop]
    c.add(:sharpen, "#{@@sharp_level.first}{#{@@sharp_level.last}}'") if opts.key?(:sharp)
    c.add(:quality, "#{opts[:q]}") if opts.key?(:q)
    c.execute
  end
  return File.exists?(file_out)
end