boxespy/boxes/generators/lamp.py

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#!/usr/bin/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/>.
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from boxes import *
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import math
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"""
22x7.5x7cm
D=23cm, d=21cm
d = 8" D = 9"
"""
class RoundedTriangleSettings(edges.Settings):
absolute_params = {
"angle" : 60,
"radius" : 30,
"r_hole" : None,
}
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class RoundedTriangle(edges.Edge):
char = "t"
def __call__(self, length, **kw):
angle = self.settings.angle
r = self.settings.radius
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if self.settings.r_hole:
x = 0.5*(length-2*r)*math.tan(math.radians(angle))
y = 0.5*(length)
self.hole(x, y, self.settings.r_hole)
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l = 0.5 * (length-2*r) / math.cos(math.radians(angle))
self.corner(90-angle, r)
self.edge(l)
self.corner(2*angle, r)
self.edge(l)
self.corner(90-angle, r)
def startAngle(self):
return 90
def endAngle(self):
return 90
class Lamp(Boxes):
def __init__(self):
Boxes.__init__(self)
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def side(self, y, h):
return
self.edges["f"](y)
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self.corner(90)
self.edges["f"](h)
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self.roundedTriangle(y, 75, 25)
self.edges["f"](h)
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self.corner(90)
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def render(self, r, w, x, y, h):
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"""
r : radius of lamp
w : width of surrounding ring
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x : length box
y : width box
h : height box
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"""
self.open()
#self.edges["f"].settings = (5, 5) # XXX
s = RoundedTriangleSettings(self.thickness, angle=72, r_hole=2)
self.addPart(RoundedTriangle(self, s))
self.flexSettings = (3, 5.0, 20.0)
self.edges["f"].settings.setValues(self.thickness, finger=5, space=5, relative=False)
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d = 2*(r+w)
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self.roundedPlate(d, d, r, move="right", callback=[
lambda: self.hole(w, r+w, r),])
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#dist = ((2**0.5)*r-r) / (2**0.5) + 4
#pos = (w-dist, dist)
self.roundedPlate(d, d, r, holesMargin=w/2.0) #, callback=[
# lambda: self.hole(pos[0], pos[1], 7),])
self.roundedPlate(d, d, r, move="only left up")
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hole = lambda: self.hole(w, 70, 2)
self.surroundingWall(d, d, r, 120, top='h', bottom='h', callback=[
None, hole, None, hole], move="up")
self.ctx.save()
self.rectangularWall(x, y, edges="fFfF", holesMargin=5, move="right")
self.rectangularWall(x, y, edges="fFfF", holesMargin=5, move="right")
# sides
self.rectangularWall(y, h, "fftf", move="right")
self.rectangularWall(y, h, "fftf")
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self.ctx.restore()
self.rectangularWall(x, y, edges="fFfF", holesMargin=5,
move="up only")
self.rectangularWall(x, h, edges='hFFF', holesMargin=5, move="right")
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self.rectangularWall(x, h, edges='hFFF', holesMargin=5)
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self.close()
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def main():
l = Lamp()
l.parseArgs()
l.render(r=4*25.4, w=20, x=270, y=150, h=100)
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if __name__ == '__main__':
main()