Source code for fontTools.svgLib.path

from fontTools.pens.transformPen import TransformPen
from fontTools.misc import etree
from fontTools.misc.textTools import tostr
from .parser import parse_path
from .shapes import PathBuilder

__all__ = [tostr(s) for s in ("SVGPath", "parse_path")]

[docs] class SVGPath(object): """Parse SVG ``path`` elements from a file or string, and draw them onto a glyph object that supports the FontTools Pen protocol. For example, reading from an SVG file and drawing to a Defcon Glyph: import defcon glyph = defcon.Glyph() pen = glyph.getPen() svg = SVGPath("path/to/a.svg") svg.draw(pen) Or reading from a string containing SVG data, using the alternative 'fromstring' (a class method): data = '<?xml version="1.0" ...' svg = SVGPath.fromstring(data) svg.draw(pen) Both constructors can optionally take a 'transform' matrix (6-float tuple, or a FontTools Transform object) to modify the draw output. """ def __init__(self, filename=None, transform=None): if filename is None: self.root = etree.ElementTree() else: tree = etree.parse(filename) self.root = tree.getroot() self.transform = transform
[docs] @classmethod def fromstring(cls, data, transform=None): self = cls(transform=transform) self.root = etree.fromstring(data) return self
[docs] def draw(self, pen): if self.transform: pen = TransformPen(pen, self.transform) pb = PathBuilder() # xpath | doesn't seem to reliable work so just walk it for el in self.root.iter(): pb.add_path_from_element(el) original_pen = pen for path, transform in zip(pb.paths, pb.transforms): if transform: pen = TransformPen(original_pen, transform) else: pen = original_pen parse_path(path, pen)