Method: Pixelart::Image#zoom

Defined in:
lib/pixelart/image.rb

#zoom(zoom = 2, spacing: 0) ⇒ Object Also known as: scale 



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# File 'lib/pixelart/image.rb', line 142

def zoom( zoom=2, spacing: 0 )
  ## create a new zoom factor x image (2x, 3x, etc.)

  width  = @img.width*zoom+(@img.width-1)*spacing
  height = @img.height*zoom+(@img.height-1)*spacing

  img = Image.new( width, height )

  @img.width.times do |x|
    @img.height.times do |y|
      pixel = @img[x,y]
      zoom.times do |n|
        zoom.times do |m|
          img[n+zoom*x+spacing*x,
              m+zoom*y+spacing*y] = pixel
        end
      end
    end # each x
  end # each y

  img
end