svg.py 文件源码

def segments(self, precision=0):
        """Return a list of segments, each segment is ended by a MoveTo.
           A segment is a list of Points"""
        ret = []
        # group items separated by MoveTo
        for moveTo, group in itertools.groupby(self.items,
                                               lambda x: isinstance(x,
                                                                    MoveTo)):
            # Use only non MoveTo item
            if not moveTo:
                # Generate segments for each relevant item
                seg = [x.segments(precision) for x in group]
                # Merge all segments into one
                ret.append(list(itertools.chain.from_iterable(seg)))

        return ret