792 lines
25 KiB
Python
Executable File
792 lines
25 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 cairo
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import math
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import argparse
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from argparse import ArgumentParser
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import re
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from functools import wraps
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from boxes import edges
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def dist(dx, dy):
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return (dx*dx+dy*dy)**0.5
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def restore(func):
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@wraps(func)
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def f(self, *args, **kw):
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self.ctx.save()
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pt = self.ctx.get_current_point()
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func(self, *args, **kw)
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self.ctx.restore()
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self.ctx.move_to(*pt)
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return f
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#############################################################################
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### Building blocks
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#############################################################################
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class NutHole:
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sizes = {
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"M1.6" : (3.2, 1.3),
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"M2" : (4, 1.6),
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"M2.5" : (5, 2.0),
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"M3" : (5.5, 2.4),
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"M4" : (7, 3.2),
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"M5" : (8, 4.7),
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"M6" : (10, 5.2),
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"M8" : (13, 6.8),
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"M10" : (16, 8.4),
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"M12" : (18, 10.8),
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"M14" : (21, 12.8),
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"M16" : (24, 14.8),
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"M20" : (30, 18.0),
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"M24" : (36, 21.5),
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"M30" : (46, 25.6),
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"M36" : (55, 31),
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"M42" : (65, 34),
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"M48" : (75, 38),
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"M56" : (85, 45),
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"M64" : (95, 51),
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}
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def __init__(self, boxes, settings):
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self.boxes = boxes
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self.ctx = boxes.ctx
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self.settings = settings
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@restore
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def __call__(self, size, x=0, y=0, angle=0):
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size = self.sizes.get(size, (size,))[0]
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side = size / 3**0.5
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self.boxes.moveTo(x, y, angle)
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self.boxes.moveTo(-0.5*side, 0.5*size, angle)
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for i in range(6):
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self.boxes.edge(side)
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self.boxes.corner(-60)
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def argparseSections(s):
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m = re.match(r"(\d+(\.\d+)?)/(\d+)", s)
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if m:
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n = int(m.group(3))
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print([ float(m.group(1)) ] * n)
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return [ float(m.group(1))/n ] * n
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m = re.match(r"(\d+(\.\d+)?)\*(\d+)", s)
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if m:
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n = int(m.group(3))
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return [ float(m.group(1)) ] * n
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try:
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return [float(part) for part in s.split(":")]
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except ValueError:
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raise argparse.ArgumentTypeError("Don't understand sections string")
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class Boxes:
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def __init__(self):
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self.argparser = ArgumentParser(description=self.__doc__)
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self.argparser.add_argument(
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"--thickness", action="store", type=float, default=4.0,
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help="thickness of the material")
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self.argparser.add_argument(
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"--output", action="store", type=str, default="box.svg",
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help="name of resulting file")
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self.argparser.add_argument(
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"--debug", action="store_true", default=False,
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help="print surrounding boxes for some structures")
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self.argparser.add_argument(
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"--burn", action="store", type=float, default=0.05,
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help="burn correction in mm")
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def open(self, width, height):
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self.spacing = 2*self.burn + 0.5 * self.thickness
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self.fingerHoleEdgeWidth = 1.0 # multitudes of self.thickness
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self.bedBoltSettings = (3, 5.5, 2, 20, 15) #d, d_nut, h_nut, l, l1
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self.hexHolesSettings = (5, 3, 'circle') # r, dist, style
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self._init_surface(width, height)
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self._buildObjects()
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def buildArgParser(self, *l):
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for arg in l:
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if arg == "x":
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self.argparser.add_argument(
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"--x", action="store", type=float, default=100.0,
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help="inner width in mm")
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elif arg == "y":
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self.argparser.add_argument(
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"--y", action="store", type=float, default=100.0,
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help="inner depth in mm")
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elif arg == "sx":
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self.argparser.add_argument(
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"--sx", action="store", type=argparseSections,
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default="50*3",
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help="""sections left to right in mm. Possible formats: overallwidth/numberof sections e.g. "250/5"; sectionwith*numberofsections e.g. "50*5"; section widths separated by ":" e.g. "30:25.5:70"
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""")
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elif arg == "sy":
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self.argparser.add_argument(
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"--sy", action="store", type=argparseSections,
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default="50*3",
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help="""sections back to front in mm. See --sx for format""")
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elif arg == "h":
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self.argparser.add_argument(
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"--h", action="store", type=float, default=100.0,
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help="inner height in mm")
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elif arg == "hi":
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self.argparser.add_argument(
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"--hi", action="store", type=float, default=0.0,
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help="inner height of inner walls in mm (leave to zero for same as outer walls)")
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else:
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raise ValueError("No default for argument", arg)
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def parseArgs(self, args=None):
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self.argparser.parse_args(args=args, namespace=self)
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def addPart(self, part, name=None):
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if name is None:
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name = part.__class__.__name__
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name = name[0].lower() + name[1:]
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#if not hasattr(self, name):
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setattr(self, name, part)
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if isinstance(part, edges.Edge):
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self.edges[part.char] = part
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def _buildObjects(self):
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self.edges = {}
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self.addPart(edges.Edge(self, None))
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self.addPart(edges.OutSetEdge(self, None))
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# Share settings object
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s = edges.FingerJointSettings(self.thickness)
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self.addPart(edges.FingerJointEdge(self, s))
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self.addPart(edges.FingerJointEdgeCounterPart(self, s))
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self.addPart(edges.FingerHoleEdge(self, s))
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self.addPart(edges.FingerHoles(self, s))
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s = edges.DoveTailSettings(self.thickness)
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self.addPart(edges.DoveTailJoint(self, s))
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self.addPart(edges.DoveTailJointCounterPart(self, s))
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s = edges.FlexSettings(self.thickness)
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self.addPart(edges.FlexEdge(self, s))
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self.addPart(NutHole(self, None))
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def _init_surface(self, width, height):
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#mm2pt = 90 / 25.4 / 1.25
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mm2pt = 1
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#width *= mm2pt
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#height *= mm2pt #3.543307
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self.surface = cairo.SVGSurface(self.output, width, height)
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self.ctx = ctx = cairo.Context(self.surface)
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ctx.translate(0, height)
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ctx.scale(mm2pt, -mm2pt)
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#ctx.set_source_rgb(1.0, 1.0, 1.0)
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#ctx.rectangle(0, 0, width, height)
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#ctx.fill()
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ctx.set_source_rgb(0.0, 0.0, 0.0)
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ctx.set_line_width(2*self.burn)
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def cc(self, callback, number, x=0.0, y=None):
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"""call callback"""
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if y is None:
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y = self.burn
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self.ctx.save()
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self.moveTo(x, y)
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if callable(callback):
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callback(number)
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elif hasattr(callback, '__getitem__'):
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try:
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callback = callback[number]
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if callable(callback):
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callback()
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except (KeyError, IndexError):
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pass
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except:
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self.ctx.restore()
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raise
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self.ctx.restore()
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def getEntry(self, param, idx):
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if isinstance(param, list):
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if len(param)>idx:
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return param[idx]
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else:
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return None
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else:
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return param
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def close(self):
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self.ctx.stroke()
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self.surface.flush()
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self.surface.finish()
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f = open(self.output, "r+")
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s = f.read(1024)
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pos = s.find('pt"')
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if pos > 0:
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f.seek(pos)
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f.write("mm")
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else:
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print("Could not replace pt with mm")
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pos = s.find('pt"', pos+3)
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if pos > 0:
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f.seek(pos)
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f.write("mm")
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else:
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print("Could not replace pt with mm")
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############################################################
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### Turtle graphics commands
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############################################################
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def corner(self, degrees, radius=0):
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rad = degrees*math.pi/180
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if degrees > 0:
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self.ctx.arc(0, radius+self.burn, radius+self.burn,
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-0.5*math.pi, rad - 0.5*math.pi)
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elif radius > self.burn:
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self.ctx.arc_negative(0, -(radius-self.burn), radius-self.burn,
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0.5*math.pi, rad + 0.5*math.pi)
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else: # not rounded inner corner
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self.ctx.arc_negative(0, self.burn-radius, self.burn-radius,
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-0.5*math.pi, -0.5*math.pi+rad)
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self.continueDirection(rad)
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def edge(self, length):
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self.ctx.move_to(0,0)
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self.ctx.line_to(length, 0)
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self.ctx.translate(*self.ctx.get_current_point())
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def curveTo(self, x1, y1, x2, y2, x3, y3):
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"""control point 1, control point 2, end point"""
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self.ctx.curve_to(x1, y1, x2, y2, x3, y3)
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dx = x3-x2
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dy = y3-y2
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rad = math.atan2(dy, dx)
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self.continueDirection(rad)
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def polyline(self, *args):
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for i, arg in enumerate(args):
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if i % 2:
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self.corner(arg)
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else:
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self.edge(arg)
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def bedBoltHole(self, length, bedBoltSettings=None):
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d, d_nut, h_nut, l, l1 = bedBoltSettings or self.bedBoltSettings
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self.edge((length-d)/2.0)
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self.corner(90)
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self.edge(l1)
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self.corner(90)
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self.edge((d_nut-d)/2.0)
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self.corner(-90)
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self.edge(h_nut)
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self.corner(-90)
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self.edge((d_nut-d)/2.0)
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self.corner(90)
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self.edge(l-l1-h_nut)
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self.corner(-90)
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self.edge(d)
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self.corner(-90)
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self.edge(l-l1-h_nut)
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self.corner(90)
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self.edge((d_nut-d)/2.0)
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self.corner(-90)
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self.edge(h_nut)
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self.corner(-90)
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self.edge((d_nut-d)/2.0)
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self.corner(90)
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self.edge(l1)
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self.corner(90)
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self.edge((length-d)/2.0)
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def grip(self, length, depth):
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"""corrugated edge useful as an gipping area"""
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grooves = int(length // (depth*2.0)) + 1
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depth = length / grooves / 4.0
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for groove in range(grooves):
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self.corner(90, depth)
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self.corner(-180, depth)
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self.corner(90, depth)
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def _latchHole(self, length):
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self.edge(1.1*self.thickness)
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self.corner(-90)
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self.edge(length/2.0+0.2*self.thickness)
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self.corner(-90)
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self.edge(1.1*self.thickness)
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def _latchGrip(self, length):
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self.corner(90, self.thickness/4.0)
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self.grip(length/2.0-self.thickness/2.0-0.2*self.thickness, self.thickness/2.0)
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self.corner(90, self.thickness/4.0)
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def latch(self, length, positive=True, reverse=False):
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"""Fix a flex box door at the box
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positive: False: Door side; True: Box side
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reverse: True when running away from the latch
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"""
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if positive:
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if reverse:
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self.edge(length/2.0-self.burn)
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self.corner(-90)
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self.edge(self.thickness)
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self.corner(90)
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self.edge(length/2.0)
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self.corner(90)
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self.edge(self.thickness)
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self.corner(-90)
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if not reverse:
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self.edge(length/2.0-self.burn)
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else:
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if reverse:
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self._latchGrip(length)
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else:
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self.corner(90)
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self._latchHole(length)
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if not reverse:
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self._latchGrip(length)
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else:
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self.corner(90)
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def handle(self, x, h, hl, r=30):
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"""Creates and Edge with a handle"""
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d = (x-hl-2*r)/2.0
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if d < 0:
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print("Handle too wide")
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self.ctx.save()
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# Hole
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self.moveTo(d+2*r, 0)
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self.edge(hl-2*r)
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self.corner(-90, r)
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self.edge(h-3*r)
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self.corner(-90, r)
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self.edge(hl-2*r)
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self.corner(-90, r)
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self.edge(h-3*r)
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self.corner(-90, r)
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self.ctx.restore()
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self.moveTo(0,0)
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self.curveTo(d, 0, d, 0, d, -h+r)
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self.curveTo(r, 0, r, 0, r, r)
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self.edge(hl)
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self.curveTo(r, 0, r, 0, r, r)
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self.curveTo(h-r, 0, h-r, 0, h-r, -d)
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### Navigation
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def moveTo(self, x, y=0.0, degrees=0):
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self.ctx.move_to(0, 0)
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self.ctx.translate(x, y)
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self.ctx.rotate(degrees*math.pi/180.0)
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self.ctx.move_to(0, 0)
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def continueDirection(self, angle=0):
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self.ctx.translate(*self.ctx.get_current_point())
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self.ctx.rotate(angle)
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def move(self, x, y, where, before=False):
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"""Intended to be used by parts
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where can be combinations of "up", "down", "left", "right" and "only"
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when "only" is included the move is only done when before is True
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The function returns whether actual drawing of the part
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should be omited.
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"""
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if not where:
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return False
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terms = where.split()
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dontdraw = before and "only" in terms
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moves = {
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"up": (0, y, False),
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"down" : (0, -y, True),
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"left" : (-x, 0, True),
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"right" : (x, 0, False),
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"only" : (0, 0, None),
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}
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for term in terms:
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if not term in moves:
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raise ValueError("Unknown direction: '%s'" % term)
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x, y, movebeforeprint = moves[term]
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if movebeforeprint and before:
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self.moveTo(x, y)
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elif (not movebeforeprint and not before) or dontdraw:
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self.moveTo(x, y)
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return dontdraw
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# Building blocks
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def fingerHolesAt(self, x, y, length, angle=90,
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bedBolts=None, bedBoltSettings=None):
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self.ctx.save()
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self.moveTo(x, y, angle)
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self.fingerHoles(length, bedBolts, bedBoltSettings)
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self.ctx.restore()
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@restore
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def hole(self, x, y, r):
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self.moveTo(x+r, y)
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self.ctx.arc(-r, 0, r, 0, 2*math.pi)
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@restore
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def rectangularHole(self, x, y, dx, dy, r=0):
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self.moveTo(x+r-dx/2.0, y-dy/2.0, 180)
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for d in (dy, dx, dy, dx):
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self.corner(-90, r)
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self.edge(d-2*r)
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@restore
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def text(self, text, x=0, y=0, angle=0, align=""):
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self.moveTo(x, y, angle)
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(tx, ty, width, height, dx, dy) = self.ctx.text_extents(text)
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align = align.split()
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moves = {
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"top" : (0, -height),
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"middle" : (0, -0.5*height),
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"bottom" : (0, 0),
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"left" : (0, 0),
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"center" : (-0.5*width, 0),
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"right" : (-width, 0),
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}
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for a in align:
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if a in moves:
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self.moveTo(*moves[a])
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else:
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raise ValueError("Unknown alignment: %s" % align)
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self.ctx.scale(1, -1)
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self.ctx.show_text(text)
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@restore
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def NEMA(self, size, x=0, y=0, angle=0):
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nema = {
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# motor,flange, holes, screws
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8 : (20.3, 16, 15.4, 3),
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11 : (28.2, 22, 23, 4),
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14 : (35.2, 22, 26, 4),
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16 : (39.2, 22, 31, 4),
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17 : (42.2, 22, 31, 4),
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23 : (56.4, 38.1, 47.1, 5.2),
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24 : (60, 36, 49.8, 5.1),
|
|
34 : (86.3, 73, 69.8, 6.6),
|
|
42 : (110, 55.5, 89, 8.5),
|
|
}
|
|
width, flange, holedistance, diameter = nema[size]
|
|
self.moveTo(x, y, angle)
|
|
if self.debug:
|
|
self.rectangularHole(0, 0, width, width)
|
|
self.hole(0,0, 0.5*flange)
|
|
for x in (-1, 1):
|
|
for y in (-1, 1):
|
|
self.hole(x*0.5*holedistance,
|
|
y*0.5*holedistance,
|
|
0.5*diameter)
|
|
|
|
|
|
# hexHoles
|
|
|
|
def hexHolesRectangle(self, x, y, settings=None, skip=None):
|
|
"""
|
|
Fills a rectangle with holes.
|
|
r : radius of holes
|
|
b : space between holes
|
|
style : what types of holes (not yet implemented)
|
|
skip : function to check if hole should be present
|
|
gets x, y, r, b, posx, posy
|
|
"""
|
|
if settings is None:
|
|
settings = self.hexHolesSettings
|
|
r, b, style = settings
|
|
|
|
w = r+b/2.0
|
|
dist = w * math.cos(math.pi/6.0)
|
|
|
|
# how many half circles do fit
|
|
cx = int((x-2*r) // (w)) + 2
|
|
cy = int((y-2*r) // (dist)) + 2
|
|
|
|
# what's left on the sides
|
|
lx = (x - (2*r+(cx-2)*w))/2.0
|
|
ly = (y - (2*r+((cy//2)*2)*dist-2*dist))/2.0
|
|
|
|
for i in range(cy//2):
|
|
for j in range((cx-(i%2))//2):
|
|
px = 2*j*w + r + lx
|
|
py = i*2*dist + r + ly
|
|
if i % 2:
|
|
px += w
|
|
if skip and skip(x, y, r, b, px, py):
|
|
continue
|
|
self.hole(px, py, r)
|
|
|
|
def __skipcircle(self, x, y, r, b, posx, posy):
|
|
cx, cy = x/2.0, y/2.0
|
|
return (dist(posx-cx, posy-cy) > (cx-r))
|
|
|
|
def hexHolesCircle(self, d, settings=None):
|
|
d2 = d/2.0
|
|
self.hexHolesRectangle(d, d, settings=settings, skip=self.__skipcircle)
|
|
|
|
def hexHolesPlate(self, x, y, rc, settings=None):
|
|
def skip(x, y, r, b, posx, posy):
|
|
posx = abs(posx-(x/2.0))
|
|
posy = abs(posy-(y/2.0))
|
|
|
|
wx = 0.5*x-rc-r
|
|
wy = 0.5*y-rc-r
|
|
|
|
if (posx <= wx) or (posy <= wx):
|
|
return 0
|
|
return dist(posx-wx, posy-wy) > rc
|
|
|
|
self.hexHolesRectangle(x, y, settings, skip=skip)
|
|
|
|
def hexHolesHex(self, h, settings=None, grow=None):
|
|
if settings is None:
|
|
settings = self.hexHolesSettings
|
|
r, b, style = settings
|
|
|
|
self.ctx.rectangle(0, 0, h, h)
|
|
w = r+b/2.0
|
|
dist = w * math.cos(math.pi/6.0)
|
|
cy = 2 * int((h-4*dist)// (4*w)) + 1
|
|
|
|
leftover = h-2*r-(cy-1)*2*r
|
|
if grow=='space ':
|
|
b += leftover / (cy-1) / 2
|
|
|
|
# recalulate with adjusted values
|
|
w = r+b/2.0
|
|
dist = w * math.cos(math.pi/6.0)
|
|
|
|
self.moveTo(h/2.0-(cy//2)*2*w, h/2.0)
|
|
for j in range(cy):
|
|
self.hole(2*j*w, 0, r)
|
|
for i in range(1, cy/2+1):
|
|
for j in range(cy-i):
|
|
self.hole(j*2*w+i*w, i*2*dist, r)
|
|
self.hole(j*2*w+i*w, -i*2*dist, r)
|
|
|
|
##################################################
|
|
### parts
|
|
##################################################
|
|
|
|
def roundedPlate(self, x, y, r, callback=None,
|
|
holesMargin=None, holesSettings=None,
|
|
bedBolts=None, bedBoltSettings=None,
|
|
move=None):
|
|
"""fits surroundingWall
|
|
first edge is split to have a joint in the middle of the side
|
|
callback is called at the beginning of the straight edges
|
|
0, 1 for the two part of the first edge, 2, 3, 4 for the others
|
|
|
|
set holesMargin to get hex holes.
|
|
"""
|
|
|
|
overallwidth = x+2*self.fingerJointEdge.spacing()
|
|
overallheight = y+2*self.fingerJointEdge.spacing()
|
|
|
|
if self.move(overallwidth, overallheight, move, before=True):
|
|
return
|
|
|
|
self.ctx.save()
|
|
self.moveTo(self.fingerJointEdge.margin(),
|
|
self.fingerJointEdge.margin())
|
|
self.moveTo(r, 0)
|
|
|
|
self.cc(callback, 0)
|
|
self.fingerJointEdge(x/2.0-r, bedBolts=self.getEntry(bedBolts, 0),
|
|
bedBoltSettings=self.getEntry(bedBoltSettings, 0))
|
|
self.cc(callback, 1)
|
|
self.fingerJointEdge(x/2.0-r, bedBolts=self.getEntry(bedBolts, 1),
|
|
bedBoltSettings=self.getEntry(bedBoltSettings, 1))
|
|
for i, l in zip(range(3), (y, x, y)):
|
|
self.corner(90, r)
|
|
self.cc(callback, i+2)
|
|
self.fingerJointEdge(l-2*r, bedBolts=self.getEntry(bedBolts, i+2),
|
|
bedBoltSettings=self.getEntry(bedBoltSettings, i+2))
|
|
self.corner(90, r)
|
|
|
|
self.ctx.restore()
|
|
self.ctx.save()
|
|
|
|
self.moveTo(self.fingerJointEdge.margin(),
|
|
self.fingerJointEdge.margin())
|
|
|
|
if holesMargin is not None:
|
|
self.moveTo(holesMargin, holesMargin)
|
|
if r > holesMargin:
|
|
r -= holesMargin
|
|
else:
|
|
r = 0
|
|
self.hexHolesPlate(x-2*holesMargin, y-2*holesMargin, r,
|
|
settings=holesSettings)
|
|
self.ctx.restore()
|
|
self.ctx.stroke()
|
|
self.move(overallwidth, overallheight, move)
|
|
|
|
def surroundingWall(self, x, y, r, h,
|
|
bottom='e', top='e',
|
|
callback=None,
|
|
move=None):
|
|
"""
|
|
h : inner height, not counting the joints
|
|
callback is called a beginn of the flat sides with
|
|
0 for right half of first x side;
|
|
1 and 3 for y sides;
|
|
2 for second x side
|
|
4 for second half of the first x side
|
|
"""
|
|
c4 = (r+self.burn)*math.pi*0.5 # circumference of quarter circle
|
|
c4 = 0.9 * c4 # stretch flex 10%
|
|
|
|
top = self.edges.get(top, top)
|
|
bottom = self.edges.get(bottom, bottom)
|
|
|
|
topwidth = top.width()
|
|
bottomwidth = bottom.width()
|
|
|
|
overallwidth = 2*x + 2*y - 8*r + 4*c4 + \
|
|
self.edges["d"].spacing() + self.edges["D"].spacing()
|
|
overallheight = h + top.spacing() + bottom.spacing()
|
|
|
|
|
|
if self.move(overallwidth, overallheight, move, before=True):
|
|
return
|
|
|
|
self.ctx.save()
|
|
self.moveTo(self.edges["D"].margin(), bottom.margin())
|
|
|
|
self.cc(callback, 0, y=bottomwidth+self.burn)
|
|
bottom(x/2.0-r)
|
|
for i, l in zip(range(4), (y, x, y, 0)):
|
|
self.flexEdge(c4, h+topwidth+bottomwidth)
|
|
self.cc(callback, i+1, y=bottomwidth+self.burn)
|
|
if i < 3:
|
|
bottom(l-2*r)
|
|
bottom(x/2.0-r)
|
|
|
|
self.corner(90)
|
|
self.edge(bottomwidth)
|
|
self.doveTailJoint(h)
|
|
self.edge(topwidth)
|
|
self.corner(90)
|
|
|
|
top(x/2.0-r)
|
|
for i, l in zip(range(4), (y, x, y, 0)):
|
|
self.edge(c4)
|
|
if i < 3:
|
|
top(l - 2*r)
|
|
top(x/2.0-r)
|
|
|
|
self.corner(90)
|
|
self.edge(topwidth)
|
|
self.doveTailJointCounterPart(h)
|
|
self.edge(bottomwidth)
|
|
self.corner(90)
|
|
|
|
self.ctx.restore()
|
|
self.ctx.stroke()
|
|
|
|
self.move(overallwidth, overallheight, move)
|
|
|
|
|
|
def rectangularWall(self, x, y, edges="eeee",
|
|
holesMargin=None, holesSettings=None,
|
|
bedBolts=None, bedBoltSettings=None,
|
|
callback=None,
|
|
move=None):
|
|
if len(edges) != 4:
|
|
raise ValueError("four edges required")
|
|
edges = [self.edges.get(e, e) for e in edges]
|
|
edges += edges # append for wrapping around
|
|
|
|
overallwidth = x + edges[-1].spacing() + edges[1].spacing()
|
|
overallheight = y + edges[0].spacing() + edges[2].spacing()
|
|
|
|
if self.move(overallwidth, overallheight, move, before=True):
|
|
return
|
|
|
|
self.ctx.save()
|
|
self.moveTo(edges[-1].margin(), edges[0].margin())
|
|
for i, l in enumerate((x, y, x, y)):
|
|
self.edge(edges[i-1].width())
|
|
self.cc(callback, i, y=edges[i].width()+self.burn)
|
|
edges[i](l,
|
|
bedBolts=self.getEntry(bedBolts, i),
|
|
bedBoltSettings=self.getEntry(bedBoltSettings, i))
|
|
self.edge(edges[i+1].width())
|
|
self.corner(90-edges[i].endAngle()-edges[i+1].startAngle())
|
|
|
|
if holesMargin is not None:
|
|
self.moveTo(holesMargin+edges[-1].width(),
|
|
holesMargin+edges[0].width())
|
|
self.hexHolesRectangle(x-2*holesMargin, y-2*holesMargin)
|
|
self.ctx.restore()
|
|
self.ctx.stroke()
|
|
|
|
self.move(overallwidth, overallheight, move)
|
|
|
|
|
|
##################################################
|
|
### main
|
|
##################################################
|
|
|
|
class DemoBox(Boxes):
|
|
"""A simple fully enclosed box showcasing different finger joints"""
|
|
def __init__(self):
|
|
Boxes.__init__(self)
|
|
self.buildArgParser("x", "y", "h")
|
|
|
|
def render(self):
|
|
x, y, h, t = self.x, self.y, self.h, self.thickness
|
|
self.open(2*x+10*self.thickness, y+2*h+20*self.thickness)
|
|
self.ctx.save()
|
|
|
|
self.moveTo(t, t)
|
|
self.rectangularWall(x, y, "ffff")
|
|
self.moveTo(x+4*t, 0)
|
|
self.rectangularWall(x, y, "FFFF")
|
|
|
|
self.ctx.restore()
|
|
|
|
self.moveTo(t, y+4*t)
|
|
for i in range(2):
|
|
for l in (x, y):
|
|
self.rectangularWall(l, h, "hffF")
|
|
self.moveTo(l+4*t, 0)
|
|
self.moveTo(-x-y-8*t, h+4*t)
|
|
|
|
|
|
self.close()
|
|
|
|
if __name__ == '__main__':
|
|
b = DemoBox()
|
|
b.parseArgs()
|
|
b.render()
|