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#a class that will convert a pdfpath definition to our format
from reportlab.graphics.shapes import Path, definePath, _PATH_OP_ARG_COUNT, _PATH_OP_NAMES
__all__ = ('PDFPath',)
def _getSegs(L):
n = len(L)
i = 0
ops = dict(m='moveTo',l='lineTo',c='curveTo',h='closePath')
while i < n:
for j in i, i+2, i+6:
op = L[j]
if op in ops:
try:
opName = ops[op]
nargs = _PATH_OP_ARG_COUNT[_PATH_OP_NAMES.index(opName)]
yield tuple([opName]+[float(L[i+k]) for k in range(nargs)])
i = j+1
break
except:
raise ValueError('Error converting PDFPath at %s' % ' '.join(L[i:i+6]))
else:
raise ValueError('Error converting PDFPath at %s' % ' '.join(L[i:i+6]))
def pdfpath(pdf='',**kwds):
if pdf:
pdf = pdf.strip()
if pdf:
p = definePath(pathSegs=list(_getSegs(pdf.split())),**kwds)
else:
p = Path(**kwds)
return p
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