def _svgMarkerSymbol(name, sprites):
#TODO: see if there is a built-in sprite with that name
with open(sprites + ".json") as f:
spritesDict = json.load(f)
rect = QRect(spritesDict[name]["x"], spritesDict[name]["y"],
spritesDict[name]["width"], spritesDict[name]["height"])
width = spritesDict[name]["width"]
height = spritesDict[name]["height"]
image = QImage()
image.load(sprites + ".png")
sprite = image.copy(rect)
pngPath = os.path.join(os.path.dirname(sprites), name + ".png")
sprite.save(pngPath)
with open(pngPath, "rb") as f:
data = f.read()
base64 = data.encode("base64")
svgPath = os.path.join(os.path.dirname(sprites), name + ".svg")
with open(svgPath, "w") as f:
f.write
symbol = QgsMarkerSymbol()
symbolLayer = QgsSvgMarkerSymbolLayer(svgPath)
symbol.setSize(max([width, height]))
symbol.appendSymbolLayer(symbolLayer)
symbol.deleteSymbolLayer(0)
return symbol
