boxespy/boxes/generators/flexbox4.py

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#!/usr/bin/env python3
# Copyright (C) 2013-2018 Florian Festi
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#
# 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 *
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class FlexBox4(Boxes):
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"""Box with living hinge and left corners rounded"""
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ui_group = "FlexBox"
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def __init__(self):
Boxes.__init__(self)
self.addSettingsArgs(edges.FingerJointSettings)
self.addSettingsArgs(edges.FlexSettings)
self.buildArgParser("x", "y", "h", "outside")
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self.argparser.add_argument(
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"--radius", action="store", type=float, default=15,
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help="Radius of the corners in mm")
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self.argparser.add_argument(
"--latchsize", action="store", type=float, default=8,
help="size of latch in multiples of thickness")
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def flexBoxSide(self, x, y, r, callback=None, move=None):
t = self.thickness
if self.move(x+2*t, y+t, move, True):
return
self.moveTo(t, t)
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self.cc(callback, 0)
self.edges["f"](x)
self.corner(90, 0)
self.cc(callback, 1)
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self.edges["f"](y - r)
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self.corner(90, r)
self.cc(callback, 2)
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self.edge(x - 2 * r)
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self.corner(90, r)
self.cc(callback, 3)
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self.edges["e"](y - r - self.latchsize)
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self.cc(callback, 4)
self.latch(self.latchsize)
self.corner(90)
self.move(x+2*t, y+t, move)
def surroundingWall(self, move=None):
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x, y, h, r = self.x, self.y, self.h, self.radius
c4 = self.c4
t = self.thickness
tw, th = 2*c4 + 2*y + x - 4*r + 2*t, h + 2.5*t
if self.move(tw, th, move, True):
return
self.moveTo(t, 0.25*t)
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self.edges["F"](y - r, False)
if (x - 2 * r < self.thickness):
self.edges["X"](2 * c4 + x - 2 * r, h + 2 * self.thickness)
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else:
self.edges["X"](c4, h + 2 * self.thickness)
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self.edge(x - 2 * r)
self.edges["X"](c4, h + 2 * self.thickness)
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self.edge(y - r - self.latchsize)
self.latch(self.latchsize+t, False)
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self.edge(h + 2 * self.thickness)
self.latch(self.latchsize+t, False, True)
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self.edge(y - r - self.latchsize)
self.edge(c4)
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self.edge(x - 2 * r)
self.edge(c4)
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self.edges["F"](y - r)
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self.corner(90)
self.edge(self.thickness)
self.edges["f"](h)
self.edge(self.thickness)
self.corner(90)
self.move(tw, th, move)
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def render(self):
if self.outside:
self.x = self.adjustSize(self.x)
self.y = self.adjustSize(self.y)
self.h = self.adjustSize(self.h)
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self.latchsize *= self.thickness
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self.radius = self.radius or min(self.x / 2.0, self.y - self.latchsize)
self.radius = min(self.radius, self.x / 2.0)
self.radius = min(self.radius, max(0, self.y - self.latchsize))
self.c4 = c4 = math.pi * self.radius * 0.5
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self.surroundingWall(move="up")
self.flexBoxSide(self.x, self.y, self.radius, move="right")
self.flexBoxSide(self.x, self.y, self.radius, move="mirror right")
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self.rectangularWall(self.x, self.h, edges="FeFF")
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