1 #!/usr/bin/env python
2 from bezmisc import *
3 from ffgeom import *
5 def maxdist(((p0x,p0y),(p1x,p1y),(p2x,p2y),(p3x,p3y))):
6 p0 = Point(p0x,p0y)
7 p1 = Point(p1x,p1y)
8 p2 = Point(p2x,p2y)
9 p3 = Point(p3x,p3y)
11 s1 = Segment(p0,p3)
12 return max(s1.distanceToPoint(p1),s1.distanceToPoint(p2))
15 def cspsubdiv(csp,flat):
16 for sp in csp:
17 subdiv(sp,flat)
19 def subdiv(sp,flat,i=1):
20 p0 = sp[i-1][1]
21 p1 = sp[i-1][2]
22 p2 = sp[i][0]
23 p3 = sp[i][1]
25 b = (p0,p1,p2,p3)
26 m = maxdist(b)
27 if m <= flat:
28 try:
29 subdiv(sp,flat,i+1)
30 except IndexError:
31 pass
32 else:
33 one, two = beziersplitatt(b,0.5)
34 sp[i-1][2] = one[1]
35 sp[i][0] = two[2]
36 p = [one[2],one[3],two[1]]
37 sp[i:1] = [p]
38 subdiv(sp,flat,i)
41 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99