def draw(self, cr, pos, save):
cr.set_source_rgba(0., 0., 0., 1)
cr.set_line_width(1)
B = (self.pv[0] *
py2geom.Matrix(py2geom.Translate(*self.handles[0].pos))).toPwSb()
n = py2geom.rot90(py2geom.unit_vector(py2geom.derivative(B), 0.01, 3))
al = py2geom.arcLengthSb(B, 0.1)
offset = 10.
offset_curve = B + py2geom.sin(al * 0.1, 0.01, 2) * n * 10.
offset_path = py2geom.path_from_piecewise(offset_curve, 0.1, True)
py2geom.cairo_path(cr, offset_path)
cr.stroke()
self.notify = ''
toyframework.Toy.draw(self, cr, pos, save)
def draw(self, cr, pos, save):
cr.set_source_rgba (0., 0., 0., 1)
cr.set_line_width (1)
B = (self.pv[0]*py2geom.Matrix(py2geom.Translate(*self.handles[0].pos))).toPwSb();
n = py2geom.rot90(py2geom.unit_vector(py2geom.derivative(B), 0.01, 3));
al = py2geom.arcLengthSb(B, 0.1);
offset = 10.
offset_curve = B+py2geom.sin(al*0.1, 0.01, 2)*n*10.
offset_path = py2geom.path_from_piecewise(offset_curve, 0.1, True)
py2geom.cairo_path(cr, offset_path)
cr.stroke()
self.notify = ''
toyframework.Toy.draw(self, cr, pos, save)
point_fns_2 = ["dot", "angle_between", "distance", "distanceSq", "cross"]
for i in point_fns_1:
print "%s:" % i, g.__dict__[i](a)
for i in point_fns_2:
print "%s:" % i, g.__dict__[i](a, b)
print "a == b", a == b
print "Lerp:", g.lerp(0.3, a, b)
bo = g.BezOrd(2, 3)
print bo
print bo.point_at(0.3)
print bo.reverse()
sn = g.sin(g.BezOrd(0.0, 8.0), 5)
print sn
print g.inverse(sn, 10)
print list(sn)
r_sn = g.roots(sn)
print len(r_sn)
print list(r_sn)
bo = g.BezOrd(-1, 1)
sb = g.SBasis()
print sb
print list(g.roots(sb))
sb.append(bo)
print list(g.roots(sb))
point_fns_2 = ["dot", "angle_between", "distance", "distanceSq", "cross"]
for i in point_fns_1:
print "%s:" % i, g.__dict__[i](a)
for i in point_fns_2:
print "%s:" % i, g.__dict__[i](a,b)
print "a == b", a == b
print "Lerp:", g.lerp(0.3, a,b)
bo = g.BezOrd(2,3)
print bo
print bo.point_at(0.3)
print bo.reverse()
sn = g.sin(g.BezOrd(0.0,8.0),5)
print sn
print g.inverse(sn,10)
print list(sn)
r_sn = g.roots(sn)
print len(r_sn)
print list(r_sn)
bo = g.BezOrd(-1,1)
sb = g.SBasis()
print sb
print list(g.roots(sb))
sb.append(bo)
print list(g.roots(sb))