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svg: decode from XmlNode #357

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svg: decode from XmlNode #357

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18 changes: 12 additions & 6 deletions src/pixie/fileformats/svg.nim
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Original file line number Diff line number Diff line change
Expand Up @@ -561,14 +561,10 @@ proc draw(img: Image, node: XmlNode, ctxStack: var seq[Ctx]) =
raise currentExceptionAsPixieError()

proc decodeSvg*(
data: string, width = 0, height = 0
root: XmlNode, width = 0, height = 0
): Image {.raises: [PixieError].} =
## Render SVG file and return the image. Defaults to the SVG's view box size.
## Render SVG XML and return the image. Defaults to the SVG's view box size.
try:
let root = parseXml(data)
if root.tag != "svg":
failInvalid()

let
viewBox = root.attr("viewBox")
box = viewBox.split(" ")
Expand Down Expand Up @@ -602,3 +598,13 @@ proc decodeSvg*(
raise e
except:
raise newException(PixieError, "Unable to load SVG")

proc decodeSvg*(
data: string, width = 0, height = 0
): Image {.raises: [PixieError].} =
## Render SVG file and return the image. Defaults to the SVG's view box size.
var root: XmlNode
try: root = parseXml(data)
except: raise currentExceptionAsPixieError()
if root.tag != "svg": failInvalid()
decodeSvg(root, width, height)