Add params for flextest pattern

TODO.txt

@@ -6,7 +6,6 @@
  * Make settings nicer
   * offer a collection of different settings
  * Make bolts configurable (e.g. box2.py)
- * Make flextest.py pattern configurable
  * setup.py
  * Use other formatter (see mx param)
  * Fix error message on parsing error in web interface

flextest.py

@@ -17,16 +17,27 @@
 from boxes import *
 
 class FlexTest(Boxes):
+    "Piece for testing different flex settings"
     def __init__(self):
         Boxes.__init__(self)
         self.buildArgParser("x", "y")
+        self.argparser.add_argument(
+            "--fd",  action="store", type=float, default=0.5,
+            help="distance of flex cuts in multiples of thickness")
+        self.argparser.add_argument(
+            "--fc",  action="store", type=float, default=1.0,
+            help="connections of flex cuts in multiples of thickness")
+        self.argparser.add_argument(
+            "--fw",  action="store", type=float, default=5.0,
+            help="width of flex cuts in multiples of thickness")
 
     def render(self):
         x, y = self.x, self.y
         self.open(x+60, y+20)
 
-        # (1.5, 3.0, 15.0) # line distance, connects, width
-        self.flexSettings = (2, 4.0, 16.0)
+        self.edges["X"].settings.setValues(
+            self.thickness, relative=True,
+            distance=self.fd, connection=self.fc, width=self.fw)
 
         self.moveTo(5, 5)
         self.edge(10)