# Copyright (C) 2013-2016 Florian Festi
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from boxes import *
[docs]
class ShutterBox(Boxes):
"""Box with a rolling shutter made of flex"""
ui_group = "FlexBox"
description = """Beware of the rolling shutter effect! Use wax on sliding surfaces.
"""
def side(self, l, h, r, style, move=None):
t = self.thickness
if self.move(l+2*t, h+2*t, move, True):
return
self.moveTo(t, t)
self.ctx.save()
n = self.n
a = 90. / n
ls = 2*math.sin(math.radians(a/2)) * (r-2.5*t)
#self.hole(l-r, r, r-2.5*t)
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)
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()
self.edges["f"](l)
self.corner(90)
self.edges["f"](h-r)
self.polyline(0, -90, t, 90, 0, (90, r+t))
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)
def cornerRadius(self, r, two=False, move=None):
s = self.spacing
if self.move(r, r+s, move, True):
return
for i in range(2 if two else 1):
self.polyline(r, 90, r, 180, 0, (-90, r), 0 ,-180)
self.moveTo(r, r+s, 180)
self.move(r, r+s, move)
def rails(self, l, r, move=None):
t = self.thickness
s = self.spacing
tw, th = l+2.5*t+3*s, r+1.5*t+3*s
if self.move(tw, th, move, True):
return
self.moveTo(2.5*t+s, 0)
self.polyline(l-r, (90, r+t), 0, 90, t, 90, 0, (-90, r), l-r, 90, t, 90)
self.moveTo(-t-s, t+s)
self.polyline(l-r, (90, r+t), 0, 90, t, 90, 0, (-90, r), l-r, 90, t, 90)
self.moveTo(0.5*t, t+s)
self.polyline(l-r, (90, r-1.5*t), 0, 90, t, 90, 0, (-90, r-2.5*t), l-r, 90, t, 90)
self.moveTo(-t-s, t+s)
self.polyline(l-r, (90, r-1.5*t), 0, 90, t, 90, 0, (-90, r-2.5*t), l-r, 90, t, 90)
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):
return
self.fingerHolesAt(t, t, h-2*t)
self.edge(2*t)
self.edges["X"](l-2*t, h)
self.polyline(0, 90, h, 90, l, 90, h, 90)
self.move(l, h, move)
def __init__(self) -> None:
Boxes.__init__(self)
self.addSettingsArgs(edges.FingerJointSettings, surroundingspaces=0.5)
self.addSettingsArgs(edges.FlexSettings, distance=.75, connection=2.)
self.buildArgParser(x=150, y=100, h=100)
self.argparser.add_argument(
"--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
if not r:
self.radius = r = h / 2
self.radius = r = min(r, h/2)
t = self.thickness
self.ctx.save()
self.side(x, h, r, style, move="right")
self.side(x, h, r, style, 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")
if style == "single":
self.rails(x, r, move="right")
else:
self.rails2(x, r, move="right")
self.ctx.restore()
self.side(x, h, r, style, move="up only")
self.rectangularWall(x, y, "FFFF", 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")
a = 90. / n
ls = 2*math.sin(math.radians(a/2)) * (r-2.5*t)
edges.FingerJointSettings(t, angle=a).edgeObjects(self, chars="aA")
edges.FingerJointSettings(t, angle=a/2).edgeObjects(self, chars="bB")
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")
for i in range(n-2):
self.rectangularWall(ls, y, "fafA", move="right")
if h - 2*r > 2*t:
self.rectangularWall(ls, y, "fbfA", move="right")
self.rectangularWall(h - 2*r, y, "fefB", move="right")
else:
self.rectangularWall(ls, y, "fefA", move="right")
