1 files changed, 41 insertions, 0 deletions
diff --git a/src/toys/path-toy.py b/src/toys/path-toy.py
new file mode 100644
index 0000000..631482f
--- /dev/null
+++ b/src/toys/path-toy.py
@@ -0,0 +1,41 @@
+#!/usr/bin/python
+
+import py2geom
+import toyframework
+import random,gtk
+from py2geom_glue import *
+
+class PathToy(toyframework.Toy):
+    def __init__(self):
+        toyframework.Toy.__init__(self)
+        self.handles.append(toyframework.PointHandle(200, 200))
+        self.path_b_name="star.svgd"
+        self.pv = py2geom.read_svgd(self.path_b_name);
+        centr = py2geom.Point()
+        for p in self.pv:
+            c,area = py2geom.centroid(p.toPwSb())
+            centr += c
+        self.pv = self.pv*py2geom.Matrix(py2geom.Translate(-centr))
+    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)
+        
+t = PathToy()
+import sys
+
+toyframework.init(sys.argv, t, 500, 500)