98 lines
3.1 KiB
Python
Executable File
98 lines
3.1 KiB
Python
Executable File
#!/usr/bin/python3
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# Copyright (C) 2013-2014 Florian Festi
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import boxes
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import math
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class FlexBox(boxes.Boxes):
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"""Box with living hinge and round corners"""
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def __init__(self):
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boxes.Boxes.__init__(self)
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self.buildArgParser("x", "y", "h")
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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 latch in mm")
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@boxes.restore
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def flexBoxSide(self, x, y, r, callback=None):
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self.moveTo(r, 0)
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for i, l in zip(range(2), (x, y)):
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self.cc(callback, i)
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self.edges["f"](l-2*r)
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self.corner(90, r)
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self.cc(callback, 2)
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self.edge(x-2*r)
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self.corner(90, r)
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self.cc(callback, 3)
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self.latch(self.latchsize)
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self.cc(callback, 4)
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self.edges["f"](y-2*r-self.latchsize)
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self.corner(90, r)
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def surroundingWall(self):
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x, y, h, r = self.x, self.y, self.h, self.radius
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c4 = math.pi * r * 0.5
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self.edges["F"](y-2*r-self.latchsize, False)
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self.edges["X"](c4, h+2*self.thickness)
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self.edges["F"](x-2*r, False)
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self.edges["X"](c4, h+2*self.thickness)
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self.edges["F"](y-2*r, False)
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self.edges["X"](c4, h+2*self.thickness)
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self.edge(x-2*r)
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self.edges["X"](c4, h+2*self.thickness)
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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(c4)
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self.edge(x-2*r)
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self.edge(c4)
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self.edges["F"](y-2*r, False)
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self.edge(c4)
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self.edges["F"](x-2*r, False)
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self.edge(c4)
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self.edges["F"](y-2*r-self.latchsize, False)
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self.corner(90)
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self.edge(h+2*self.thickness)
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self.corner(90)
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def render(self):
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x, y, h = self.x, self.y, self.h
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r = self.radius or min(x, y)/2.0
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self.latchsize = 8 * self.thickness
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c4 = math.pi * r * 0.5
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self.open()
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self.moveTo(self.thickness, self.thickness)
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self.surroundingWall()
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self.moveTo(self.thickness, self.h+5*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)
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self.flexBoxSide(self.x, self.y, self.radius)
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self.close()
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def main():
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b = FlexBox()
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b.parseArgs()
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b.render()
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if __name__=="__main__":
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main()
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