Compass::Core::SassExtensions::Functions::GradientSupport::RadialGradient

# File lib/compass/core/sass_extensions/functions/gradient_support.rb, line 280
def initialize(position, shape_and_size, color_stops)
  unless color_stops.value.size >= 2
    raise Sass::SyntaxError, "At least two color stops are required for a radial-gradient"
  end
  if angle?(position)
    raise Sass::SyntaxError, "CSS no longer allows angles in radial-gradients."
  end
  self.position = position
  self.shape_and_size = shape_and_size
  self.color_stops = color_stops
end

# File lib/compass/core/sass_extensions/functions/gradient_support.rb, line 362
def array_to_s(array, opts)
  if array.is_a?(Sass::Script::Value::List)
    array.to_s
  else
    l = list(array, :space)
    l.options = opts
    l.to_s
  end
end

# File lib/compass/core/sass_extensions/functions/gradient_support.rb, line 276
def children
  [color_stops, position, shape_and_size].compact
end

# File lib/compass/core/sass_extensions/functions/gradient_support.rb, line 333
def new_standard_arguments(options = self.options)
  if shape_and_size
    "#{array_to_s(shape_and_size, options)} at #{array_to_s(position, options)}, #{array_to_s(color_stops, options)}"
  elsif position
    "#{array_to_s(position, options)}, #{array_to_s(color_stops, options)}"
  else
    array_to_s(color_stops, options)
  end
end

# File lib/compass/core/sass_extensions/functions/gradient_support.rb, line 343
def old_standard_arguments(options = self.options)
  if shape_and_size
    "#{array_to_s(position, options)}, #{array_to_s(shape_and_size, options)}, #{array_to_s(color_stops, options)}"
  elsif position
    "#{array_to_s(position, options)}, #{array_to_s(color_stops, options)}"
  else
    array_to_s(color_stops, options)
  end
end

# File lib/compass/core/sass_extensions/functions/gradient_support.rb, line 300
def supports?(aspect)
  # I don't know how to support radial old webkit gradients (owg)
  if %(owg).include?(aspect)
    false
  else
    super
  end
end

# File lib/compass/core/sass_extensions/functions/gradient_support.rb, line 358
def to_css2(options = self.options)
  null
end

# File lib/compass/core/sass_extensions/functions/gradient_support.rb, line 319
def to_moz(options = self.options)
  s = "-moz-radial-gradient("
  s << old_standard_arguments(options)
  s << ")"
  identifier(s)
end

# File lib/compass/core/sass_extensions/functions/gradient_support.rb, line 326
def to_official
  s = "radial-gradient("
  s << new_standard_arguments(options)
  s << ")"
  identifier(s)
end

# File lib/compass/core/sass_extensions/functions/gradient_support.rb, line 292
def to_s(options = self.options)
  to_official.to_s
end

# File lib/compass/core/sass_extensions/functions/gradient_support.rb, line 296
def to_s_prefixed(options = self.options)
  to_s(options)
end

# File lib/compass/core/sass_extensions/functions/gradient_support.rb, line 353
def to_svg(options = self.options)
  # XXX Add shape support if possible
  radial_svg_gradient(color_stops, position || _center_position)
end

# File lib/compass/core/sass_extensions/functions/gradient_support.rb, line 312
def to_webkit(options = self.options)
  s = "-webkit-radial-gradient("
  s << old_standard_arguments(options)
  s << ")"
  identifier(s)
end