boxespy/boxes/generators/flexbox4.py

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#!/usr/bin/env python3
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# Copyright (C) 2013-2014 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 *
import math
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class FlexBox4(Boxes):
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"""Box with living hinge and left corners rounded"""
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def __init__(self):
Boxes.__init__(self)
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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@restore
def flexBoxSide(self, x, y, r, callback=None):
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)
def surroundingWall(self):
x, y, h, r = self.x, self.y, self.h, self.radius
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self.edges["F"](y - r, False)
if (x - 2 * r < self.thickness):
self.edges["X"](2 * self.c4 + x - 2 * r, h + 2 * self.thickness)
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else:
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self.edges["X"](self.c4, h + 2 * self.thickness)
self.edge(x - 2 * r)
self.edges["X"](self.c4, h + 2 * self.thickness)
self.edge(y - r - self.latchsize)
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self.latch(self.latchsize, False)
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self.edge(h + 2 * self.thickness)
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self.latch(self.latchsize, False, True)
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self.edge(y - r - self.latchsize)
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self.edge(self.c4)
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self.edge(x - 2 * r)
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self.edge(self.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)
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.c4 = c4 = math.pi * self.radius * 0.5
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self.latchsize = 8 * self.thickness
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))
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self.open()
self.fingerJointSettings = (4, 4)
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self.moveTo(2 * self.thickness, self.thickness)
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self.ctx.save()
self.surroundingWall()
self.ctx.restore()
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self.moveTo(0, self.h + 4 * self.thickness)
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self.flexBoxSide(self.x, self.y, self.radius)
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self.moveTo(2 * self.x + 3 * self.thickness, 0)
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self.ctx.scale(-1, 1)
self.flexBoxSide(self.x, self.y, self.radius)
self.ctx.scale(-1, 1)
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self.moveTo(2 * self.thickness, -self.thickness)
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self.rectangularWall(self.x, self.h, edges="FeFF")
self.close()
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def main():
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b = FlexBox4()
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b.parseArgs()
b.render()
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if __name__ == "__main__":
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main()