steps_for(:image) do
  Given("a new GradientFill with starting line $x1 $y1 $x2 $y2 with start color: $start_color and end color: $end_color") do |x1, y1, x2, y2, start_color, end_color|
    @fill = GradientFill.new(x1.to_i, y1.to_i, x2.to_i, y2.to_i, '#'+start_color, '#'+end_color)
  end
  
  Given("a new GradientFill with starting point $x $y with start color: $start_color and end color: $end_color") do |x, y, start_color, end_color|
    @fill = GradientFill.new(x.to_i, y.to_i, x.to_i, y.to_i, '#'+start_color, '#'+end_color)
  end
  
  Given("a new Image $image_name with extension $extension") do |image_name, extension|
    @image = Image.read(File.join(File.dirname(__FILE__), '..', '..', 'images', image_name+'.'+extension))
  end
  
  Given("a new TextureFill from image") do
    @fill = TextureFill.new(@image.first)
  end

  When("filling a new image sized $columns $rows with the Fill object") do |columns, rows|
    begin
      @image = Image.new(columns.to_i, rows.to_i, @fill)
    rescue
      @image = nil
    end
  end

  Then("the new image should not be $value") do |value|
    expected_value =  case value
                      when 'nil': nil
                      when 'false': false
                      when 'true': true
                      when value.to_i.to_s: value.to_i
                      when value.to_f.to_s: value.to_f
                      else
                        value
                      end
    @image.should_not be expected_value
  end
  
  Then("the new image should be $value") do |value|
    expected_value =  case value
                      when 'nil': nil
                      when 'false': false
                      when 'true': true
                      when value.to_i.to_s: value.to_i
                      when value.to_f.to_s: value.to_f
                      else
                        value
                      end
    @image.should be expected_value
  end
  
  # TODO: Refactor... but how?
  def parse_value(value)
    case value
    when 'nil': nil
    when 'false': false
    when 'true': true
    when value.to_i.to_s: value.to_i
    when value.to_f.to_s: value.to_f
    else
      value
    end
  end
end