ShutterBox: Add style with two rounded corners

Move generator to FlexBox category

boxes/generators/shutterbox.py

@@ -19,11 +19,11 @@ from boxes import *
 class ShutterBox(Boxes):
     """Box with a rolling shutter made of flex"""
 
-    ui_group = "Box"
+    ui_group = "FlexBox"
 
     description = "Beware of the rolling shutter effect! Use wax on sliding surfaces."
 
-    def side(self, l, h, r, move=None):
+    def side(self, l, h, r, style, move=None):
         t = self.thickness
         
         if self.move(l+2*t, h+2*t, move, True):
@@ -38,7 +38,20 @@ class ShutterBox(Boxes):
         ls = 2*math.sin(math.radians(a/2)) * (r-2.5*t)
 
         #self.hole(l-r, r, r-2.5*t)
-        self.fingerHolesAt(0, 2*t, l-r, 0)
+        if style == "double":
+            #self.hole(r, r, r-2.5*t)
+            self.ctx.save()
+            self.fingerHolesAt(r, 2*t, l-2*r, 0)
+            self.moveTo(r, 2.5*t, 180 - a/2)
+            for i in range(n):
+                self.fingerHolesAt(0, 0.5*t, ls, 0)
+                self.moveTo(ls, 0, -a)
+            if h - 2*r > 2*t:
+                self.moveTo(0, 0, a/2)
+                self.fingerHolesAt(0, 0.5*t, h - 2*r, 0)
+            self.ctx.restore()
+        else:
+            self.fingerHolesAt(0, 2*t, l-r, 0)
         self.moveTo(l-r, 2.5*t, a/2)
         for i in range(n):
             self.fingerHolesAt(0, -0.5*t, ls, 0)
@@ -51,8 +64,13 @@ class ShutterBox(Boxes):
         self.edges["f"](l)
         self.corner(90)
         self.edges["f"](h-r)
-        self.polyline(0, -90, t, 90, 0, (90, r+t), l-r, 90, t)
+        self.polyline(0, -90, t, 90, 0, (90, r+t))
-        self.edges["f"](h)
+        if style == "single":
+            self.polyline(l-r, 90, t)
+            self.edges["f"](h)
+        else:
+            self.polyline(l-2*r, (90, r+t), 0, 90, t, -90)
+            self.edges["f"](h-r)
         
         self.move(l+2*t, h+2*t, move)
 
@@ -84,6 +102,26 @@ class ShutterBox(Boxes):
             
         self.move(tw, th, move)
 
+    def rails2(self, l, r, move=None):
+        t = self.thickness
+        s = self.spacing
+        tw, th = l+2.5*t+3*s, 2*r+t
+
+        if self.move(tw, th, move, True):
+            return
+
+        self.moveTo(r+t, 0)
+        for i in range(2):
+            self.polyline(l-2*r, (90, r+t), 0, 90, t, 90, 0, (-90, r), l-2*r,
+                          (-90, r), 0, 90, t, 90, 0, (90, r+t))
+            self.moveTo(0, 1.5*t)
+            self.polyline(l-2*r, (90, r-1.5*t), 0, 90, t, 90, 0, (-90, r-2.5*t), l-2*r,
+                          (-90, r-2.5*t), 0, 90, t, 90, 0, (90, r-1.5*t))
+            self.moveTo(0, r)
+
+        self.move(tw, th, move)
+
+
     def door(self, l, h, move=None):
         t = self.thickness
         if self.move(l, h, move, True):
@@ -97,17 +135,22 @@ class ShutterBox(Boxes):
     def __init__(self):
         Boxes.__init__(self)
 
-        self.addSettingsArgs(edges.FingerJointSettings)
+        self.addSettingsArgs(edges.FingerJointSettings, surroundingspaces=0.5)
         self.addSettingsArgs(edges.FlexSettings, distance=.75, connection=2.)
 
-        self.buildArgParser(x=100, y=100, h=100)
+        self.buildArgParser(x=150, y=100, h=100)
         self.argparser.add_argument(
-            "--radius",  action="store", type=float, default=0.0,
+            "--radius",  action="store", type=float, default=40.0,
             help="radius of the corners")
+        self.argparser.add_argument(
+            "--style",  action="store", type=str, default="single",
+            choices=["single", "double"],
+            help="Number of rounded top corners")
 
 
     def render(self):
         x, y, h, r = self.x, self.y, self.h, self.radius
+        style = self.style
 
         self.n = n = 3
         
@@ -119,18 +162,32 @@ class ShutterBox(Boxes):
         # Initialize canvas
         self.open()
         self.ctx.save()
-        self.side(x, h, r, move="right")
+        self.side(x, h, r, style, move="right")
-        self.side(x, h, r, move="right")
+        self.side(x, h, r, style, move="right")
-        self.rectangularWall(y, h, "fFEF", move="right")
+        if style == "single":
+            self.rectangularWall(y, h, "fFEF", move="right")
+        else:
+            self.rectangularWall(y, h-r, "fFeF", move="right")
         self.rectangularWall(y, h-r, "fFeF", move="right")
 
+        if style == "double":
+            self.cornerRadius(r, two=True, move="right")
+
         self.cornerRadius(r, two=True, move="right")
-        self.rails(x, r, move="right")
+        if style == "single":
+            self.rails(x, r, move="right")
+        else:
+            self.rails2(x, r, move="right")
+
         self.ctx.restore()
-        self.side(x, h, r, move="up only")
+        self.side(x, h, r, style, move="up only")
 
         self.rectangularWall(x, y, "FFFF", move="right")
-        self.door(x-r+0.5*math.pi*r + 3*t, y-0.2*t, move="right")
+        
+        if style == "single":
+            self.door(x-r+0.5*math.pi*r + 3*t, y-0.2*t, move="right")
+        else:
+            self.door(x-2*r+math.pi*r + 3*t, y-0.2*t, move="right")
 
         self.rectangularWall(2*t, y-2.2*t, edges="eeef", move="right")
         
@@ -141,7 +198,22 @@ class ShutterBox(Boxes):
         edges.FingerJointSettings(t, angle=a).edgeObjects(self, chars="aA")
         edges.FingerJointSettings(t, angle=a/2).edgeObjects(self, chars="bB")
 
-        self.rectangularWall(x-r, y, "fbfe", move="right")
+
+        if style == "double":
+            if h - 2*r > 2*t:
+                self.rectangularWall(h - 2*r, y, "fBfe", move="right")
+                self.rectangularWall(ls, y, "fAfb", move="right")
+            else:
+                self.rectangularWall(ls, y, "fAfe", move="right")
+
+            for i in range(n-2):
+                self.rectangularWall(ls, y, "fAfa", move="right")
+
+            self.rectangularWall(ls, y, "fBfa", move="right")
+
+            self.rectangularWall(x-2*r, y, "fbfb", move="right")
+        else:
+            self.rectangularWall(x-r, y, "fbfe", move="right")
         
         self.rectangularWall(ls, y, "fafB", move="right")