Svg = ref object
  width*, height*: int
  elements: seq[(Path, SvgProperties)]
  linearGradients: Table[string, LinearGradient]

svgSignature = "<svg"

xmlSignature = "<?xml"

proc newImage(svg: Svg): Image {....raises: [PixieError], tags: [RootEffect].}

proc parseSvg(data: string | XmlNode; width = 0; height = 0): Svg {.
    ...raises: [PixieError].}