90 lines
3.3 KiB
Python
90 lines
3.3 KiB
Python
#!/usr/bin/env python3
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# Copyright (C) 2013-2016 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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from boxes import *
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class BottleTag(Boxes):
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"""Paper slip over bottle tag"""
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ui_group = "Misc" # see ./__init__.py for names
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def __init__(self):
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Boxes.__init__(self)
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self.buildArgParser()
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# Add non default cli params if needed (see argparse std lib)
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self.argparser.add_argument(
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"--width", action="store", type=float, default=72,
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help="width of neck tag")
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self.argparser.add_argument(
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"--height", action="store", type=float, default=98,
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help="height of neck tag")
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self.argparser.add_argument(
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"--min_diameter", action="store", type=float, default=24,
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help="inner diameter of bottle neck hole")
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self.argparser.add_argument(
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"--max_diameter", action="store", type=float, default=50,
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help="outer diameter of bottle neck hole")
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self.argparser.add_argument(
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"--radius", action="store", type=float, default=15,
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help="corner radius of bottom tag")
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self.argparser.add_argument(
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"--segment_width", action="store", type=int, default=3,
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help="inner segment width")
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def render(self):
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# adjust to the variables you want in the local scope
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width = self.width
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height = self.height
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r_min = self.min_diameter / 2
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r_max = self.max_diameter / 2
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r = self.radius
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segment_width = self.segment_width
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# tag outline
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self.moveTo(r)
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self.edge(width - r - r)
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self.corner(90, r)
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self.edge(height - width / 2.0 - r)
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self.corner(180, width / 2)
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self.edge(height - width / 2.0 - r)
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self.corner(90, r)
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# move to centre of hole and cut the inner circle
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self.moveTo(width / 2 - r, height - width / 2)
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with self.saved_context():
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self.moveTo(0, -r_min)
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self.corner(360, r_min)
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# draw the radial lines approx 2mm apart on r_min
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seg_angle = math.degrees(segment_width / r_min)
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# for neatness, we want an integral number of cuts
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num = math.floor(360 / seg_angle)
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for i in range(num):
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with self.saved_context():
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self.moveTo(0, 0, i * 360.0 / num)
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self.moveTo(r_min)
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self.edge(r_max - r_min)
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# Add some right angle components to reduce tearing
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with self.saved_context():
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self.moveTo(0, 0, 90)
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self.edge(0.5)
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with self.saved_context():
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self.moveTo(0, 0, -90)
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self.edge(0.5)
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