def _convert_path(self, path, transform, clip=False, simplify=None):
ps = []
last_points = None
if clip:
clip = (0.0, 0.0, self.width * 72.0,
self.height * 72.0)
else:
clip = None
for points, code in path.iter_segments(transform, clip=clip,
simplify=simplify):
if code == Path.MOVETO:
ps.append("%g %g m" % tuple(points))
elif code == Path.LINETO:
ps.append("%g %g l" % tuple(points))
elif code == Path.CURVE3:
points = quad2cubic(*(list(last_points[-2:]) + list(points)))
ps.append("%g %g %g %g %g %g c" %
tuple(points[2:]))
elif code == Path.CURVE4:
ps.append("%g %g %g %g %g %g c" % tuple(points))
elif code == Path.CLOSEPOLY:
ps.append("cl")
last_points = points
ps = "\n".join(ps)
return ps
def quad2cubic(q0x, q0y, q1x, q1y, q2x, q2y):
"""
This function has been moved to matplotlib.mlab -- please import
it from there
"""
warnings.warn('quad2cubic has been moved to matplotlib.mlab -- please import it from there', DeprecationWarning)
import matplotlib.mlab as mlab
return mlab.quad2cubic(q0x, q0y, q1x, q1y, q2x, q2y)
def quad2cubic(q0x, q0y, q1x, q1y, q2x, q2y):
"""
This function has been moved to matplotlib.mlab -- please import
it from there
"""
# deprecated from cbook in 0.98.4
warnings.warn('quad2cubic has been moved to matplotlib.mlab -- please import it from there', DeprecationWarning)
import matplotlib.mlab as mlab
return mlab.quad2cubic(q0x, q0y, q1x, q1y, q2x, q2y)
def convert_path(self, tpath):
self.emf.BeginPath()
last_points = None
for points, code in tpath.iter_segments():
if code == Path.MOVETO:
self.emf.MoveTo(*points)
elif code == Path.CLOSEPOLY:
self.emf.CloseFigure()
elif code == Path.LINETO:
self.emf.LineTo(*points)
elif code == Path.CURVE3:
points = quad2cubic(*(list(last_points[-2:]) + list(points)))
self.emf.PolyBezierTo(list(zip(points[2::2], points[3::2])))
elif code == Path.CURVE4:
self.emf.PolyBezierTo(list(zip(points[::2], points[1::2])))
last_points = points
self.emf.EndPath()
def convert_path(self, tpath):
self.emf.BeginPath()
last_points = None
for points, code in tpath.iter_segments():
if code == Path.MOVETO:
self.emf.MoveTo(*points)
elif code == Path.LINETO:
self.emf.LineTo(*points)
elif code == Path.CURVE3:
points = quad2cubic(*(list(last_points[-2:]) + list(points)))
self.emf.PolyBezierTo(zip(points[2::2], points[3::2]))
elif code == Path.CURVE4:
self.emf.PolyBezierTo(zip(points[::2], points[1::2]))
elif code == Path.CLOSEPOLY:
self.emf.CloseFigure()
last_points = points
self.emf.EndPath()
def _convert_path(self, path, transform, simplify=None):
path = transform.transform_path(path)
ps = []
last_points = None
for points, code in path.iter_segments(simplify):
if code == Path.MOVETO:
ps.append("%g %g m" % tuple(points))
elif code == Path.LINETO:
ps.append("%g %g l" % tuple(points))
elif code == Path.CURVE3:
points = quad2cubic(*(list(last_points[-2:]) + list(points)))
ps.append("%g %g %g %g %g %g c" % tuple(points[2:]))
elif code == Path.CURVE4:
ps.append("%g %g %g %g %g %g c" % tuple(points))
elif code == Path.CLOSEPOLY:
ps.append("cl")
last_points = points
ps = "\n".join(ps)
return ps
def _convert_path(self, path, transform, simplify=None):
path = transform.transform_path(path)
ps = []
last_points = None
for points, code in path.iter_segments(simplify):
if code == Path.MOVETO:
ps.append("%g %g m" % tuple(points))
elif code == Path.LINETO:
ps.append("%g %g l" % tuple(points))
elif code == Path.CURVE3:
points = quad2cubic(*(list(last_points[-2:]) + list(points)))
ps.append("%g %g %g %g %g %g c" %
tuple(points[2:]))
elif code == Path.CURVE4:
ps.append("%g %g %g %g %g %g c" % tuple(points))
elif code == Path.CLOSEPOLY:
ps.append("cl")
last_points = points
ps = "\n".join(ps)
return ps
