def render_text(text, size=None, position=(0, 0), font_prop=None, tolerance=0.1):
tol = 0.1 * tolerance
path = TextPath(position, text, size=size, prop=font_prop)
polys = []
xmax = position[0]
for points, code in path.iter_segments():
if code == path.MOVETO:
c = gdstk.Curve(points, tolerance=tolerance)
elif code == path.LINETO:
c.segment(points.reshape(points.size // 2, 2))
elif code == path.CURVE3:
c.quadratic(points.reshape(points.size // 2, 2))
elif code == path.CURVE4:
c.cubic(points.reshape(points.size // 2, 2))
elif code == path.CLOSEPOLY:
poly = c.points()
if poly.size > 0:
if poly[:, 0].min() < xmax:
i = len(polys) - 1
while i >= 0:
if gdstk.inside(poly[:1], [polys[i]], precision=tol)[0]:
p = polys.pop(i)
b = gdstk.boolean([p], [poly], "xor", tol)
poly = b[0].points
break
elif gdstk.inside(polys[i][:1], [poly], precision=tol)[0]:
p = polys.pop(i)
b = gdstk.boolean([p], [poly], "xor", tol)
poly = b[0].points
i -= 1
xmax = max(xmax, poly[:, 0].max())
polys.append(poly)
return polys
def _render_text(text,
size=None,
position=(0, 0),
font_prop=None,
tolerance=0.1):
"""This function is copied from https://gdspy.readthedocs.io/en/stable/gettingstarted.html#using-system-fonts"""
path = TextPath(position, text, size=size, prop=font_prop)
polys = []
xmax = position[0]
for points, code in path.iter_segments():
if code == path.MOVETO:
c = gdspy.Curve(*points, tolerance=tolerance)
elif code == path.LINETO:
c.L(*points)
elif code == path.CURVE3:
c.Q(*points)
elif code == path.CURVE4:
c.C(*points)
elif code == path.CLOSEPOLY:
poly = c.get_points()
if poly.size > 0:
if poly[:, 0].min() < xmax:
i = len(polys) - 1
while i >= 0:
if gdspy.inside(poly[:1], [polys[i]],
precision=0.1 * tolerance)[0]:
p = polys.pop(i)
poly = gdspy.boolean(
[p],
[poly],
"xor",
precision=0.1 * tolerance,
max_points=0,
).polygons[0]
break
elif gdspy.inside(polys[i][:1], [poly],
precision=0.1 * tolerance)[0]:
p = polys.pop(i)
poly = gdspy.boolean(
[p],
[poly],
"xor",
precision=0.1 * tolerance,
max_points=0,
).polygons[0]
i -= 1
xmax = max(xmax, poly[:, 0].max())
polys.append(poly)
return polys
def render_text(text,
size=None,
position=(0, 0),
font_prop=None,
tolerance=0.1):
path = TextPath(position, text, size=size, prop=font_prop)
polys = []
xmax = position[0]
for points, code in path.iter_segments():
if code == path.MOVETO:
c = gdspy.Curve(*points, tolerance=tolerance)
elif code == path.LINETO:
c.L(*points)
elif code == path.CURVE3:
c.Q(*points)
elif code == path.CURVE4:
c.C(*points)
elif code == path.CLOSEPOLY:
poly = c.get_points()
if poly.size > 0:
if poly[:, 0].min() < xmax:
i = len(polys) - 1
while i >= 0:
if gdspy.inside(poly[:1], [polys[i]],
precision=0.1 * tolerance)[0]:
p = polys.pop(i)
poly = gdspy.boolean(
[p],
[poly],
"xor",
precision=0.1 * tolerance,
max_points=0,
).polygons[0]
break
elif gdspy.inside(polys[i][:1], [poly],
precision=0.1 * tolerance)[0]:
p = polys.pop(i)
poly = gdspy.boolean(
[p],
[poly],
"xor",
precision=0.1 * tolerance,
max_points=0,
).polygons[0]
i -= 1
xmax = max(xmax, poly[:, 0].max())
polys.append(poly)
return polys
def render_text(text,
size=None,
position=(0, 0),
font_prop=None,
tolerance=0.1):
precision = 0.1 * tolerance
path = TextPath(position, text, size=size, prop=font_prop)
polys = []
xmax = position[0]
for points, code in path.iter_segments():
if code == path.MOVETO:
c = gdstk.Curve(points, tolerance=tolerance)
elif code == path.LINETO:
c.segment(points.reshape(points.size // 2, 2))
elif code == path.CURVE3:
c.quadratic(points.reshape(points.size // 2, 2))
elif code == path.CURVE4:
c.cubic(points.reshape(points.size // 2, 2))
elif code == path.CLOSEPOLY:
pts = c.points()
if pts.size > 0:
poly = gdstk.Polygon(pts)
if pts[:, 0].min() < xmax:
i = len(polys) - 1
while i >= 0:
if polys[i].contain_any(*poly.points):
p = polys.pop(i)
poly = gdstk.boolean(p, poly, "xor", precision)[0]
break
elif poly.contain_any(*polys[i].points):
p = polys.pop(i)
poly = gdstk.boolean(p, poly, "xor", precision)[0]
i -= 1
xmax = max(xmax, poly.points[:, 0].max())
polys.append(poly)
return polys
