def AddEllipticalArc(self,
x,
y,
width,
height,
theta,
dtheta,
clockwise=False):
""" Draws an arc of an ellipse within bounding rect (x,y,w,h) from
startArc to endArc (in degrees, relative to the horizontal line of
the eclipse)
"""
import wx
# compute the cubic bezier and add that to the path by calling
# AddCurveToPoint
sub_paths = svg_extras.bezier_arc(x, y, x + width, y + height, theta,
dtheta)
for sub_path in sub_paths:
x1, y1, cx1, cy1, cx2, cy2, x2, y2 = sub_path
path = wx.GraphicsRenderer_GetDefaultRenderer().CreatePath()
path.MoveToPoint(x1, y1)
path.AddCurveToPoint(cx1, cy1, cx2, cy2, x2, y2)
self.AddPath(path)
self.MoveToPoint(path.GetCurrentPoint())
self.CloseSubpath()
def AddEllipse(self, cx, cy, rx, ry):
for i, (x1, y1, x2, y2, x3, y3, x4, y4) in enumerate(
svg_extras.bezier_arc(cx - rx, cy - ry, cx + rx, cy + ry, 0, 360)
):
if i == 0:
self.move_to(x1, y1)
self.curve_to(x2, y2, x3, y3, x4, y4)
def AddEllipse(self, cx, cy, rx, ry):
for i, (x1, y1, x2, y2, x3, y3, x4, y4) in enumerate(
svg_extras.bezier_arc(cx - rx, cy - ry, cx + rx, cy + ry, 0,
360)):
if i == 0:
self.move_to(x1, y1)
self.curve_to(x2, y2, x3, y3, x4, y4)
def AddEllipticalArc(self, x, y, width, height, theta, dtheta, clockwise=False):
""" Draws an arc of an ellipse within bounding rect (x,y,w,h)
from startArc to endArc (in degrees, relative to the horizontal line of the eclipse)"""
# compute the cubic bezier and add that to the path by calling AddCurveToPoint
sub_paths = svg_extras.bezier_arc(x, y, x+width, y+height, theta, dtheta)
for sub_path in sub_paths:
x1,y1, cx1, cy1, cx2, cy2, x2,y2 = sub_path
path = wx.GraphicsRenderer_GetDefaultRenderer().CreatePath()
path.MoveToPoint(x1, y1)
path.AddCurveToPoint(cx1, cy1, cx2, cy2, x2, y2)
self.AddPath(path)
self.MoveToPoint(path.GetCurrentPoint())
self.CloseSubpath()
def AddEllipticalArcTo(self, x, y, w, h, theta0, dtheta, phi=0):
for i, (x1, y1, x2, y2, x3, y3, x4, y4) in enumerate(svg_extras.bezier_arc(x, y, x + w, y + h, theta0, dtheta)):
self.curve_to(x2, y2, x3, y3, x4, y4)
def AddEllipticalArcTo(self, x, y, w, h, theta0, dtheta, phi=0):
arc = svg_extras.bezier_arc(x, y, x + w, y + h, theta0, dtheta)
for i, (x1, y1, x2, y2, x3, y3, x4, y4) in enumerate(arc):
self.curve_to(x2, y2, x3, y3, x4, y4)
