Source code for boxes.generators.shutterbox

#!/usr/bin/env python3
# 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): 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")