134 lines
4.4 KiB
Python
134 lines
4.4 KiB
Python
#!/usr/bin/env python3
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# Copyright (C) 2021 Guillaume Collic
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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 math
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from boxes import Boxes, boolarg
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class CoffeeCapsuleHolder(Boxes):
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"""
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Coffee capsule holder
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"""
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ui_group = "Misc"
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description = """
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You can store your coffee capsule near your espresso machine with this. It works both vertically, or upside down under a shelf.
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"""
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def __init__(self):
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Boxes.__init__(self)
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self.argparser.add_argument(
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"--columns",
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type=int,
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default=4,
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help="Number of columns of capsules.",
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)
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self.argparser.add_argument(
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"--rows",
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type=int,
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default=5,
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help="Number of capsules by columns.",
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)
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self.argparser.add_argument(
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"--backplate",
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type=boolarg,
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default=True,
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help="True if a backplate should be generated.",
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)
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def render(self):
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self.lid_size = 37
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self.lid_size_with_margin = 39
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self.body_size = 30
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self.column_spacing = 5
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self.corner_radius = 3
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self.screw_margin = 6
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self.outer_margin = 7
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# Add space for the opening. A full row is not necessary for it.
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self.rows = self.rows + 0.6
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self.render_plate(screw_hole=7, hole_renderer=self.render_front_hole)
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self.render_plate(hole_renderer=self.render_middle_hole)
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if self.backplate:
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self.render_plate()
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def render_plate(self, screw_hole=3.5, hole_renderer=None, move="right"):
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width = (
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self.columns * (self.lid_size_with_margin + self.column_spacing)
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- self.column_spacing
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+ 2 * self.outer_margin
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)
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height = self.rows * self.lid_size + 2 * self.outer_margin
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if self.move(width, height, move, True):
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return
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with self.saved_context():
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self.moveTo(self.corner_radius)
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self.polyline(
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width - 2 * self.corner_radius,
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(90, self.corner_radius),
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height - 2 * self.corner_radius,
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(90, self.corner_radius),
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width - 2 * self.corner_radius,
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(90, self.corner_radius),
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height - 2 * self.corner_radius,
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(90, self.corner_radius),
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)
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if hole_renderer:
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for col in range(self.columns):
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with self.saved_context():
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self.moveTo(
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self.outer_margin + col * (self.lid_size_with_margin + self.column_spacing) - self.burn,
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self.outer_margin + (self.rows - 0.5) * self.lid_size + self.burn,
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-90,
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)
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hole_renderer()
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if screw_hole:
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for x in [self.screw_margin, width - self.screw_margin]:
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for y in [self.screw_margin, height - self.screw_margin]:
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self.hole(x, y + self.burn, d=screw_hole)
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self.move(width, height, move)
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def render_front_hole(self):
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radians = math.acos(self.body_size / self.lid_size_with_margin)
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height_difference = (self.lid_size / 2) * math.sin(radians)
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degrees = math.degrees(radians)
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half = [
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0,
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(degrees, self.lid_size_with_margin / 2),
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0,
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-degrees,
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(self.rows - 1) * self.lid_size - height_difference,
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]
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path = (
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half
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+ [(180, self.body_size / 2)]
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+ list(reversed(half))
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+ [(180, self.lid_size_with_margin / 2)]
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)
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self.polyline(*path)
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def render_middle_hole(self):
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half = [(self.rows - 1) * self.lid_size, (180, self.lid_size_with_margin / 2)]
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path = half * 2
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self.polyline(*path)
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