2348 lines
77 KiB
Python
Executable File
2348 lines
77 KiB
Python
Executable File
#!/usr/bin/env 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 math
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import sys
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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 xml.sax.saxutils import quoteattr
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from contextlib import contextmanager
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import copy
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from shlex import quote
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from boxes import edges
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from boxes import formats
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from boxes import svgutil
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from boxes import gears
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from boxes import pulley
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from boxes import parts
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from boxes.Color import *
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### Helpers
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def dist(dx, dy):
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"""
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Return distance
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:param dx: delta x
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:param dy: delat y
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"""
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return (dx * dx + dy * dy) ** 0.5
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def restore(func):
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"""
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Wrapper: Restore coordiantes after function
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:param func: function to wrap
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"""
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@wraps(func)
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def f(self, *args, **kw):
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with self.saved_context():
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pt = self.ctx.get_current_point()
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func(self, *args, **kw)
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self.ctx.move_to(*pt)
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return f
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def holeCol(func):
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"""
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Wrapper: color holes differently
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:param func: function to wrap
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"""
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@wraps(func)
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def f(self, *args, **kw):
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if "color" in kw:
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color = kw.pop("color")
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else:
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color = Color.INNER_CUT
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self.ctx.stroke()
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with self.saved_context():
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self.set_source_color(color)
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func(self, *args, **kw)
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self.ctx.stroke()
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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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"""Draw a hex nut"""
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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": (13.7, 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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def __getattr__(self, name):
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return getattr(self.boxes, name)
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@restore
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@holeCol
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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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##############################################################################
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### Argument types
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##############################################################################
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def argparseSections(s):
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"""
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Parse sections parameter
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:param s: string to parse
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"""
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result = []
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s = re.split(r"\s|:", s)
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try:
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for part in s:
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m = re.match(r"^(\d+(\.\d+)?)/(\d+)$", part)
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if m:
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n = int(m.group(3))
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result.extend([float(m.group(1)) / n] * n)
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continue
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m = re.match(r"^(\d+(\.\d+)?)\*(\d+)$", part)
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if m:
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n = int(m.group(3))
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result.extend([float(m.group(1))] * n)
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continue
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result.append(float(part))
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except ValueError:
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raise argparse.ArgumentTypeError("Don't understand sections string")
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if not result:
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result.append(0.0)
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return result
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class ArgparseEdgeType:
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"""argparse type to select from a set of edge types"""
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names = edges.getDescriptions()
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edges = []
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def __init__(self, edges=None):
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if edges:
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self.edges = list(edges)
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def __call__(self, pattern):
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if len(pattern) != 1:
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raise ValueError("Edge type can only have one letter.")
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if pattern not in self.edges:
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raise ValueError("Use one of the following values: " +
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", ".join(edges))
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return pattern
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def html(self, name, default, translate):
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options = "\n".join(
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("""<option value="%s"%s>%s</option>""" %
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(e, ' selected="selected"' if e == default else "",
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translate("%s %s" % (e, self.names.get(e, "")))) for e in self.edges))
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return """<select name="%s" size="1">\n%s</select>\n""" % (name, options)
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def inx(self, name, viewname, arg):
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return (' <param name="%s" type="enum" gui-text="%s" gui-description=%s>\n' %
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(name, viewname, quoteattr(arg.help or "")) +
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''.join((' <item value="%s">%s %s</item>\n' % (
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e, e, self.names.get(e, ""))
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for e in self.edges)) +
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' </param>\n')
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class BoolArg:
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def __call__(self, arg):
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if not arg or arg.lower() in ("none", "0", "off", "false"):
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return False
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return True
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def html(self, name, default, _):
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if isinstance(default, (str)):
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default = self(default)
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return """<input name="%s" type="hidden" value="0">
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<input name="%s" type="checkbox" value="1"%s>""" % \
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(name, name, ' checked="checked"' if default else "")
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boolarg = BoolArg()
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class HexHolesSettings(edges.Settings):
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"""Settings for hexagonal hole patterns
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Values:
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* absolute
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* diameter : 5.0 : diameter of the holes
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* distance : 3.0 : distance between the holes
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* style : "circle" : currently only supported style
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"""
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absolute_params = {
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'diameter' : 10.0,
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'distance' : 3.0,
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'style' : ('circle', ),
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}
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relative_params = {}
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##############################################################################
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### Main class
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##############################################################################
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class Boxes:
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"""Main class -- Generator should sub class this """
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webinterface = True
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ui_group = "Misc"
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description = "" # Markdown syntax is supported
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def __init__(self):
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self.formats = formats.Formats()
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self.ctx = None
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description = self.__doc__
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if self.description:
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description += "\n\n" + self.description
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self.argparser = ArgumentParser(description=description)
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self.edgesettings = {}
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self.inkscapefile = None
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self.metadata = {
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"name" : self.__class__.__name__,
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"short_description" : self.__doc__,
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"description" : self.description,
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"group" : self.ui_group,
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"url" : "",
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"command_line" : ""
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}
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self.argparser._action_groups[1].title = self.__class__.__name__ + " Settings"
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defaultgroup = self.argparser.add_argument_group(
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"Default Settings")
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defaultgroup.add_argument(
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"--thickness", action="store", type=float, default=3.0,
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help="thickness of the material")
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defaultgroup.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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defaultgroup.add_argument(
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"--format", action="store", type=str, default="svg",
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choices=self.formats.getFormats(),
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help="format of resulting file")
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defaultgroup.add_argument(
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"--tabs", action="store", type=float, default=0.0,
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help="width of tabs holding the parts in place in mm (not supported everywhere)")
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defaultgroup.add_argument(
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"--debug", action="store", type=boolarg, default=False,
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help="print surrounding boxes for some structures")
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defaultgroup.add_argument(
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"--labels", action="store", type=boolarg, default=True,
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help="label the parts (where available)")
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defaultgroup.add_argument(
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"--reference", action="store", type=float, default=100,
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help="print reference rectangle with given length (zero to disable)")
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defaultgroup.add_argument(
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"--burn", action="store", type=float, default=0.1,
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help='burn correction in mm (bigger values for tighter fit). Use BurnTest in "Parts and Samples" to find the right value.')
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@contextmanager
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def saved_context(self):
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"""
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Generator: for saving and restoring contexts.
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"""
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cr = self.ctx
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cr.save()
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try:
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yield cr
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finally:
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cr.restore()
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def set_source_color(self, color):
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"""
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Sets the color of the pen.
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"""
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self.ctx.set_source_rgb(*color)
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def set_font(self, style, bold=False, italic=False):
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"""
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Set font style used
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:param style: "serif", "sans-serif" or "monospaced"
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:param bold: Use bold font
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:param italic: Use italic font
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"""
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self.ctx.set_font(style, bold, italic)
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def open(self):
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"""
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Prepare for rendering
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Create canvas and edge and other objects
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Call this before .render()
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"""
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if self.ctx is not None:
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return
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self.bedBoltSettings = (3, 5.5, 2, 20, 15) # d, d_nut, h_nut, l, l1
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self.surface, self.ctx = self.formats.getSurface(self.format, self.output)
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if self.format == 'svg_Ponoko':
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self.ctx.set_line_width(0.01)
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self.set_source_color(Color.BLUE)
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else:
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self.ctx.set_line_width(max(2 * self.burn, 0.05))
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self.set_source_color(Color.BLACK)
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self.spacing = 2 * self.burn + 0.5 * self.thickness
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self.set_font("sans-serif")
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self._buildObjects()
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if self.reference and self.format != 'svg_Ponoko':
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self.move(10, 10, "up", before=True)
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self.ctx.rectangle(0, 0, self.reference, 10)
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if self.reference < 40:
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self.text("%.fmm" % self.reference, self.reference + 5, 5,
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align="middle left")
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else:
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self.text("%.fmm" % self.reference, self.reference / 2.0, 5,
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align="middle center")
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self.move(10, 10, "up")
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self.ctx.stroke()
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def buildArgParser(self, *l, **kw):
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"""
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Add commonly used arguments
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:param \*l: parameter names
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:param \*\*kw: parameters with new default values
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Supported parameters are
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* floats: x, y, h, hi
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* argparseSections: sx, sy, sh
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* ArgparseEdgeType: bottom_edge, top_edge
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* boolarg: outside
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* str (selection): nema_mount
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"""
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for arg in l:
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kw[arg] = None
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for arg, default in kw.items():
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if arg == "x":
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if default is None: default = 100.0
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help = "inner width in mm"
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if "outside" in kw:
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help += " (unless outside selected)"
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self.argparser.add_argument(
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"--x", action="store", type=float, default=default,
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help=help)
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elif arg == "y":
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if default is None: default = 100.0
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help = "inner depth in mm"
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if "outside" in kw:
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help += " (unless outside selected)"
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self.argparser.add_argument(
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"--y", action="store", type=float, default=default,
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help=help)
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elif arg == "sx":
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if default is None: default = "50*3"
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self.argparser.add_argument(
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"--sx", action="store", type=argparseSections,
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default=default,
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help="""sections left to right in mm. See --sy for format""")
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elif arg == "sy":
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if default is None: default = "50*3"
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self.argparser.add_argument(
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"--sy", action="store", type=argparseSections,
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default=default,
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help="""sections back to front in mm. Possible formats: overallwidth/numberof sections e.g. "250/5"; sectionwidth*numberofsections e.g. "50*5"; section widths separated by ":" e.g. "30:25.5:70""")
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elif arg == "sh":
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if default is None: default = "50*3"
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self.argparser.add_argument(
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"--sh", action="store", type=argparseSections,
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default=default,
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help="""sections bottom to top in mm. See --sy for format""")
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elif arg == "h":
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if default is None: default = 100.0
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help = "inner height in mm"
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if "outside" in kw:
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help += " (unless outside selected)"
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self.argparser.add_argument(
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"--h", action="store", type=float, default=default,
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help=help)
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elif arg == "hi":
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if default is None: default = 0.0
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self.argparser.add_argument(
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"--hi", action="store", type=float, default=default,
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help="inner height of inner walls in mm (unless outside selected)(leave to zero for same as outer walls)")
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elif arg == "bottom_edge":
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if default is None: default = "h"
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self.argparser.add_argument(
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"--bottom_edge", action="store",
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type=ArgparseEdgeType("Fhse"), choices=list("Fhse"),
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default=default,
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help="edge type for bottom edge")
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elif arg == "top_edge":
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if default is None: default = "e"
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self.argparser.add_argument(
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"--top_edge", action="store",
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type=ArgparseEdgeType("efFhcESikvLt"), choices=list("efFhcESikvfLt"),
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default=default, help="edge type for top edge")
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elif arg == "outside":
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if default is None: default = True
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self.argparser.add_argument(
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"--outside", action="store", type=boolarg, default=default,
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help="treat sizes as outside measurements that include the walls")
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elif arg == "nema_mount":
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if default is None: default = 23
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self.argparser.add_argument(
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"--nema_mount", action="store",
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type=int, choices=list(sorted(self.nema_sizes.keys())),
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default=default, help="NEMA size of motor")
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else:
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raise ValueError("No default for argument", arg)
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def addSettingsArgs(self, settings, prefix=None, **defaults):
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prefix = prefix or settings.__name__[:-len("Settings")]
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settings.parserArguments(self.argparser, prefix, **defaults)
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self.edgesettings[prefix] = {}
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def parseArgs(self, args=None):
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"""
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Parse command line parameters
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:param args: (Default value = None) parameters, None for using sys.argv
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"""
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if args is None:
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args = sys.argv[1:]
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if len(args) > 1 and args[-1][0] != "-":
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self.inkscapefile = args[-1]
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del args[-1]
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args = [a for a in args if not a.startswith('--tab=')]
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def cliquote(s):
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s = s.replace('\r', '')
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s = s.replace('\n', "\\n")
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return quote(s)
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self.metadata["cli"] = "boxes " + self.__class__.__name__ + " " + " ".join((cliquote(arg) for arg in args))
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for key, value in vars(self.argparser.parse_args(args=args)).items():
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# treat edge settings separately
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for setting in self.edgesettings:
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if key.startswith(setting + '_'):
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self.edgesettings[setting][key[len(setting)+1:]] = value
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continue
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setattr(self, key, value)
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# Change file ending to format if not given explicitly
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format = getattr(self, "format", "svg")
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if getattr(self, 'output', None) == 'box.svg':
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self.output = 'box.' + format.split("_")[0]
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def addPart(self, part, name=None):
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"""
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Add Edge or other part instance to this one and add it as attribute
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:param part: Callable
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:param name: (Default value = None) attribute name (__name__ as default)
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"""
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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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if isinstance(part, edges.BaseEdge):
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self.edges[part.char] = part
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else:
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setattr(self, name, part)
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def addParts(self, parts):
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for part in parts:
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self.addPart(part)
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def _buildObjects(self):
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"""Add default edges and parts """
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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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edges.GripSettings(self.thickness).edgeObjects(self)
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# Finger joints
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# Share settings object
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s = edges.FingerJointSettings(self.thickness, True,
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**self.edgesettings.get("FingerJoint", {}))
|
|
s.edgeObjects(self)
|
|
self.addPart(edges.FingerHoles(self, s), name="fingerHolesAt")
|
|
# Stackable
|
|
edges.StackableSettings(self.thickness, True,
|
|
**self.edgesettings.get("Stackable", {})).edgeObjects(self)
|
|
# Dove tail joints
|
|
edges.DoveTailSettings(self.thickness, True,
|
|
**self.edgesettings.get("DoveTail", {})).edgeObjects(self)
|
|
# Flex
|
|
s = edges.FlexSettings(self.thickness, True,
|
|
**self.edgesettings.get("Flex", {}))
|
|
self.addPart(edges.FlexEdge(self, s))
|
|
# Clickable
|
|
edges.ClickSettings(self.thickness, True,
|
|
**self.edgesettings.get("Click", {})).edgeObjects(self)
|
|
# Hinges
|
|
edges.HingeSettings(self.thickness, True,
|
|
**self.edgesettings.get("Hinge", {})).edgeObjects(self)
|
|
edges.ChestHingeSettings(self.thickness, True,
|
|
**self.edgesettings.get("ChestHinge", {})).edgeObjects(self)
|
|
edges.CabinetHingeSettings(self.thickness, True,
|
|
**self.edgesettings.get("CabinetHinge", {})).edgeObjects(self)
|
|
# Sliding Lid
|
|
edges.LidSettings(self.thickness, True,
|
|
**self.edgesettings.get("Lid", {})).edgeObjects(self)
|
|
# Rounded Triangle Edge
|
|
edges.RoundedTriangleEdgeSettings(self.thickness, True,
|
|
**self.edgesettings.get("RoundedTriangleEdge", {})).edgeObjects(self)
|
|
# Grooved Edge
|
|
edges.GroovedSettings(self.thickness, True,
|
|
**self.edgesettings.get("Grooved", {})).edgeObjects(self)
|
|
|
|
# HexHoles
|
|
self.hexHolesSettings = HexHolesSettings(self.thickness, True,
|
|
**self.edgesettings.get("HexHoles", {}))
|
|
|
|
# Nuts
|
|
self.addPart(NutHole(self, None))
|
|
# Gears
|
|
self.addPart(gears.Gears(self))
|
|
s = edges.GearSettings(self.thickness, True,
|
|
**self.edgesettings.get("Gear", {}))
|
|
self.addPart(edges.RackEdge(self, s))
|
|
self.addPart(pulley.Pulley(self))
|
|
self.addPart(parts.Parts(self))
|
|
|
|
def adjustSize(self, l, e1=True, e2=True):
|
|
# Char to edge object
|
|
e1 = self.edges.get(e1, e1)
|
|
e2 = self.edges.get(e2, e2)
|
|
|
|
try:
|
|
total = sum(l)
|
|
walls = (len(l) - 1) * self.thickness
|
|
except TypeError:
|
|
total = l
|
|
walls = 0
|
|
|
|
if isinstance(e1, edges.BaseEdge):
|
|
walls += e1.startwidth() + e1.margin()
|
|
elif e1:
|
|
walls += self.thickness
|
|
|
|
if isinstance(e2, edges.BaseEdge):
|
|
walls += e2.startwidth() + e2.margin()
|
|
elif e2:
|
|
walls += self.thickness
|
|
|
|
try:
|
|
if total > 0.0:
|
|
factor = (total - walls) / total
|
|
else:
|
|
factor = 1.0
|
|
return [s * factor for s in l]
|
|
except TypeError:
|
|
return l - walls
|
|
|
|
def render(self):
|
|
"""Implement this method in your sub class.
|
|
|
|
You will typically need to call .parseArgs() before calling this one"""
|
|
self.open()
|
|
# Change settings and creat new Edges and part classes here
|
|
raise NotImplementedError
|
|
self.close()
|
|
|
|
def cc(self, callback, number, x=0.0, y=None):
|
|
"""Call callback from edge of a part
|
|
|
|
:param callback: callback (callable or list of callables)
|
|
:param number: number of the callback
|
|
:param x: (Default value = 0.0) x position to be call on
|
|
:param y: (Default value = None) y position to be called on (default does burn correction)
|
|
|
|
"""
|
|
if y is None:
|
|
y = self.burn
|
|
|
|
if hasattr(callback, '__getitem__'):
|
|
try:
|
|
callback = callback[number]
|
|
number = None
|
|
except (KeyError, IndexError):
|
|
pass
|
|
|
|
if callback and callable(callback):
|
|
with self.saved_context():
|
|
self.moveTo(x, y)
|
|
if number is None:
|
|
callback()
|
|
else:
|
|
callback(number)
|
|
self.ctx.move_to(0, 0)
|
|
|
|
def getEntry(self, param, idx):
|
|
"""
|
|
Get entry from list or items itself
|
|
|
|
:param param: list or item
|
|
:param idx: index in list
|
|
|
|
"""
|
|
if isinstance(param, list):
|
|
if len(param) > idx:
|
|
return param[idx]
|
|
else:
|
|
return None
|
|
else:
|
|
return param
|
|
|
|
def close(self):
|
|
"""Finish rendering
|
|
|
|
Flush canvas to disk and convert output to requested format if needed.
|
|
Call after .render()"""
|
|
if self.ctx == None:
|
|
return
|
|
|
|
self.ctx.stroke()
|
|
self.ctx = None
|
|
|
|
self.surface.set_metadata(self.metadata)
|
|
|
|
self.surface.flush()
|
|
self.surface.finish()
|
|
|
|
self.formats.convert(self.output, self.format, self.metadata)
|
|
if self.inkscapefile:
|
|
try:
|
|
out = sys.stdout.buffer
|
|
except AttributeError:
|
|
out= sys.stdout
|
|
svgutil.svgMerge(self.output, self.inkscapefile, out)
|
|
|
|
############################################################
|
|
### Turtle graphics commands
|
|
############################################################
|
|
|
|
def corner(self, degrees, radius=0, tabs=0):
|
|
"""
|
|
Draw a corner
|
|
|
|
This is what does the burn corrections
|
|
|
|
:param degrees: angle
|
|
:param radius: (Default value = 0)
|
|
|
|
"""
|
|
|
|
try:
|
|
degrees, radius = degrees
|
|
except:
|
|
pass
|
|
|
|
rad = degrees * math.pi / 180
|
|
|
|
if tabs and self.tabs:
|
|
if degrees > 0:
|
|
r_ = radius + self.burn
|
|
tabrad = self.tabs / max(r_, 0.01)
|
|
else:
|
|
r_ = radius - self.burn
|
|
tabrad = -self.tabs / max(r_, 0.01)
|
|
|
|
length = abs(r_ * rad)
|
|
tabs = min(tabs, int(length // (tabs*3*self.tabs)))
|
|
if tabs and self.tabs:
|
|
l = (length - tabs * self.tabs) / tabs
|
|
lang = math.degrees(l / r_)
|
|
if degrees < 0:
|
|
lang = -lang
|
|
#print(degrees, radius, l, lang, tabs, math.degrees(tabrad))
|
|
self.corner(lang/2., radius)
|
|
for i in range(tabs-1):
|
|
self.moveArc(math.degrees(tabrad), r_)
|
|
self.corner(lang, radius)
|
|
if tabs:
|
|
self.moveArc(math.degrees(tabrad), r_)
|
|
self.corner(lang/2., radius)
|
|
return
|
|
|
|
if ((radius > 0.5* self.burn and abs(degrees) > 36) or
|
|
(abs(degrees) > 100)):
|
|
steps = int(abs(degrees)/ 36.) + 1
|
|
for i in range(steps):
|
|
self.corner(float(degrees)/steps, radius)
|
|
return
|
|
|
|
if degrees > 0:
|
|
self.ctx.arc(0, radius + self.burn, radius + self.burn,
|
|
-0.5 * math.pi, rad - 0.5 * math.pi)
|
|
elif radius > self.burn:
|
|
self.ctx.arc_negative(0, -(radius - self.burn), radius - self.burn,
|
|
0.5 * math.pi, rad + 0.5 * math.pi)
|
|
else: # not rounded inner corner
|
|
self.ctx.arc_negative(0, self.burn - radius, self.burn - radius,
|
|
-0.5 * math.pi, -0.5 * math.pi + rad)
|
|
|
|
self._continueDirection(rad)
|
|
|
|
def edge(self, length, tabs=0):
|
|
"""
|
|
Simple line
|
|
:param length: length in mm
|
|
|
|
"""
|
|
self.ctx.move_to(0, 0)
|
|
if tabs and self.tabs:
|
|
if self.tabs > length:
|
|
self.ctx.move_to(length, 0)
|
|
else:
|
|
tabs = min(tabs, max(1, int(length // (tabs*3*self.tabs))))
|
|
l = (length - tabs * self.tabs) / tabs
|
|
self.ctx.line_to(0.5*l, 0)
|
|
for i in range(tabs-1):
|
|
self.ctx.move_to((i+0.5)*l+self.tabs, 0)
|
|
self.ctx.line_to((i+0.5)*l+self.tabs+l, 0)
|
|
if tabs == 1:
|
|
self.ctx.move_to((tabs-0.5)*l+self.tabs, 0)
|
|
else:
|
|
self.ctx.move_to((tabs-0.5)*l+2*self.tabs, 0)
|
|
|
|
self.ctx.line_to(length, 0)
|
|
else:
|
|
self.ctx.line_to(length, 0)
|
|
self.ctx.translate(*self.ctx.get_current_point())
|
|
|
|
def step(self, out):
|
|
"""
|
|
Create a parallel step prependicular to the current direction
|
|
Positive values move to the outside of the part
|
|
"""
|
|
if out > 1E-5:
|
|
self.corner(-90)
|
|
self.edge(out)
|
|
self.corner(90)
|
|
elif out < -1E-5:
|
|
self.corner(90)
|
|
self.edge(-out)
|
|
self.corner(-90)
|
|
|
|
def curveTo(self, x1, y1, x2, y2, x3, y3):
|
|
"""control point 1, control point 2, end point
|
|
|
|
:param x1:
|
|
:param y1:
|
|
:param x2:
|
|
:param y2:
|
|
:param x3:
|
|
:param y3:
|
|
|
|
"""
|
|
self.ctx.curve_to(x1, y1, x2, y2, x3, y3)
|
|
dx = x3 - x2
|
|
dy = y3 - y2
|
|
rad = math.atan2(dy, dx)
|
|
self._continueDirection(rad)
|
|
|
|
def polyline(self, *args):
|
|
"""
|
|
Draw multiple connected lines
|
|
|
|
:param \*args: Alternating length in mm and angle in degrees.
|
|
|
|
lengths may be a tuple (length, #tabs)
|
|
angles may be tuple (angle, radius)
|
|
"""
|
|
for i, arg in enumerate(args):
|
|
if i % 2:
|
|
if isinstance(arg, tuple):
|
|
self.corner(*arg)
|
|
else:
|
|
self.corner(arg)
|
|
else:
|
|
if isinstance(arg, tuple):
|
|
self.edge(*arg)
|
|
else:
|
|
self.edge(arg)
|
|
|
|
def bedBoltHole(self, length, bedBoltSettings=None, tabs=0):
|
|
"""
|
|
Draw an edge with slot for a bed bolt
|
|
|
|
:param length: length of the edge in mm
|
|
:param bedBoltSettings: (Default value = None) Dimmensions of the slot
|
|
|
|
"""
|
|
d, d_nut, h_nut, l, l1 = bedBoltSettings or self.bedBoltSettings
|
|
self.edge((length - d) / 2.0, tabs=tabs//2)
|
|
self.corner(90)
|
|
self.edge(l1)
|
|
self.corner(90)
|
|
self.edge((d_nut - d) / 2.0)
|
|
self.corner(-90)
|
|
self.edge(h_nut)
|
|
self.corner(-90)
|
|
self.edge((d_nut - d) / 2.0)
|
|
self.corner(90)
|
|
self.edge(l - l1 - h_nut)
|
|
self.corner(-90)
|
|
self.edge(d)
|
|
self.corner(-90)
|
|
self.edge(l - l1 - h_nut)
|
|
self.corner(90)
|
|
self.edge((d_nut - d) / 2.0)
|
|
self.corner(-90)
|
|
self.edge(h_nut)
|
|
self.corner(-90)
|
|
self.edge((d_nut - d) / 2.0)
|
|
self.corner(90)
|
|
self.edge(l1)
|
|
self.corner(90)
|
|
self.edge((length - d) / 2.0, tabs=tabs-(tabs//2))
|
|
|
|
def edgeCorner(self, edge1, edge2, angle=90):
|
|
"""Make a corner between two Edges. Take width of edges into account"""
|
|
edge1 = self.edges.get(edge1, edge1)
|
|
edge2 = self.edges.get(edge2, edge2)
|
|
|
|
self.edge(edge2.startwidth() * math.tan(math.radians(angle/2.)))
|
|
self.corner(angle)
|
|
self.edge(edge1.endwidth() * math.tan(math.radians(angle/2.)))
|
|
|
|
def regularPolygon(self, corners=3, radius=None, h=None, side=None):
|
|
"""Give messures of a regular polygone
|
|
|
|
:param corners: number of corners of the polygone
|
|
:param radius: distance center to one of the corners
|
|
:param h: distance center to one of the sides (height of sector)
|
|
:param side: length of one side
|
|
:return: (radius, h, side)
|
|
"""
|
|
if radius:
|
|
side = 2 * math.sin(math.radians(180.0/corners)) * radius
|
|
h = radius * math.cos(math.radians(180.0/corners))
|
|
elif h:
|
|
side = 2 * math.tan(math.radians(180.0/corners)) * h
|
|
radius = ((side/2.)**2+h**2)**0.5
|
|
elif side:
|
|
h = 0.5 * side * math.tan(math.radians(90-180./corners))
|
|
radius = ((side/2.)**2+h**2)**0.5
|
|
|
|
return radius, h, side
|
|
|
|
@restore
|
|
def regularPolygonAt(self, x, y, corners, angle=0, r=None, h=None, side=None):
|
|
"""Draw regular polygone"""
|
|
self.moveTo(x, y, angle)
|
|
r, h, side = self.regularPolygon(corners, r, h, side)
|
|
self.moveTo(-side/2.0, -h-self.burn)
|
|
for i in range(corners):
|
|
self.edge(side)
|
|
self.corner(360./corners)
|
|
|
|
def regularPolygonWall(self, corners=3, r=None, h=None, side=None,
|
|
edges='e', hole=None, callback=None, move=None):
|
|
"""Create regular polygone as a wall
|
|
|
|
:param corners: number of corners of the polygone
|
|
:param radius: distance center to one of the corners
|
|
:param h: distance center to one of the sides (height of sector)
|
|
:param side: length of one side
|
|
:param edges: (Default value = "e", may be string/list of length corners)
|
|
:param hole: diameter of central hole (Default value = 0)
|
|
:param callback: (Default value = None, middle=0, then sides=1..)
|
|
:param move: (Default value = None)
|
|
"""
|
|
r, h, side = self.regularPolygon(corners, r, h, side)
|
|
|
|
t = self.thickness
|
|
|
|
if not hasattr(edges, "__getitem__") or len(edges) == 1:
|
|
edges = [edges] * corners
|
|
edges = [self.edges.get(e, e) for e in edges]
|
|
edges += edges # append for wrapping around
|
|
|
|
if corners % 2:
|
|
th = r + h + edges[0].spacing() + (
|
|
max(edges[corners//2].spacing(),
|
|
edges[corners//2+1].spacing()) /
|
|
math.sin(math.radians(90-180/corners)))
|
|
else:
|
|
th = 2*h + edges[0].spacing() + edges[corners//2].spacing()
|
|
|
|
tw = 0
|
|
for i in range(corners):
|
|
ang = (180+360*i)/corners
|
|
tw = max(tw, 2*abs(math.sin(math.radians(ang))*
|
|
(r + max(edges[i].spacing(), edges[i+1].spacing())/
|
|
math.sin(math.radians(90-180/corners)))))
|
|
|
|
if self.move(tw, th, move, before=True):
|
|
return
|
|
|
|
self.moveTo(0.5*tw-0.5*side, edges[0].margin())
|
|
|
|
|
|
if hole:
|
|
self.hole(side/2., h+edges[0].startwidth() + self.burn, hole/2.)
|
|
self.cc(callback, 0, side/2., h+edges[0].startwidth() + self.burn)
|
|
for i in range(corners):
|
|
self.cc(callback, i+1, 0, edges[i].startwidth() + self.burn)
|
|
edges[i](side)
|
|
self.edgeCorner(edges[i], edges[i+1], 360.0/corners)
|
|
|
|
self.move(tw, th, move)
|
|
|
|
def grip(self, length, depth):
|
|
"""Corrugated edge useful as an gipping area
|
|
|
|
:param length: length
|
|
:param depth: depth of the grooves
|
|
|
|
"""
|
|
grooves = max(int(length // (depth * 2.0)) + 1, 1)
|
|
depth = length / grooves / 4.0
|
|
for groove in range(grooves):
|
|
self.corner(90, depth)
|
|
self.corner(-180, depth)
|
|
self.corner(90, depth)
|
|
|
|
def _latchHole(self, length):
|
|
"""
|
|
|
|
:param length:
|
|
|
|
"""
|
|
self.edge(1.1 * self.thickness)
|
|
self.corner(-90)
|
|
self.edge(length / 2.0 + 0.2 * self.thickness)
|
|
self.corner(-90)
|
|
self.edge(1.1 * self.thickness)
|
|
|
|
def _latchGrip(self, length):
|
|
"""
|
|
|
|
:param length:
|
|
|
|
"""
|
|
self.corner(90, self.thickness / 4.0)
|
|
self.grip(length / 2.0 - self.thickness / 2.0 - 0.2 * self.thickness, self.thickness / 2.0)
|
|
self.corner(90, self.thickness / 4.0)
|
|
|
|
def latch(self, length, positive=True, reverse=False):
|
|
"""Latch to fix a flex box door to the box
|
|
|
|
:param length: length in mm
|
|
:param positive: (Default value = True) False: Door side; True: Box side
|
|
:param reverse: (Default value = False) True when running away from the latch
|
|
|
|
"""
|
|
if positive:
|
|
if reverse:
|
|
self.edge(length / 2.0)
|
|
self.corner(-90)
|
|
self.edge(self.thickness)
|
|
self.corner(90)
|
|
self.edge(length / 2.0)
|
|
self.corner(90)
|
|
self.edge(self.thickness)
|
|
self.corner(-90)
|
|
if not reverse:
|
|
self.edge(length / 2.0)
|
|
else:
|
|
if reverse:
|
|
self._latchGrip(length)
|
|
else:
|
|
self.corner(90)
|
|
self._latchHole(length)
|
|
if not reverse:
|
|
self._latchGrip(length)
|
|
else:
|
|
self.corner(90)
|
|
|
|
def handle(self, x, h, hl, r=30):
|
|
"""Creates an Edge with a handle
|
|
|
|
:param x: width in mm
|
|
:param h: height in mm
|
|
:param hl: height if th grip hole
|
|
:param r: (Default value = 30) radius of the corners
|
|
|
|
"""
|
|
d = (x - hl - 2 * r) / 2.0
|
|
|
|
# Hole
|
|
with self.saved_context():
|
|
self.moveTo(d + 2 * r, 0)
|
|
self.edge(hl - 2 * r)
|
|
self.corner(-90, r)
|
|
self.edge(h - 3 * r)
|
|
self.corner(-90, r)
|
|
self.edge(hl - 2 * r)
|
|
self.corner(-90, r)
|
|
self.edge(h - 3 * r)
|
|
self.corner(-90, r)
|
|
|
|
self.moveTo(0, 0)
|
|
|
|
self.curveTo(d, 0, d, 0, d, -h + r)
|
|
self.curveTo(r, 0, r, 0, r, r)
|
|
self.edge(hl)
|
|
self.curveTo(r, 0, r, 0, r, r)
|
|
self.curveTo(h - r, 0, h - r, 0, h - r, -d)
|
|
|
|
### Navigation
|
|
|
|
def moveTo(self, x, y=0.0, degrees=0):
|
|
"""
|
|
Move coordinate system to given point
|
|
|
|
:param x:
|
|
:param y: (Default value = 0.0)
|
|
:param degrees: (Default value = 0)
|
|
|
|
"""
|
|
self.ctx.move_to(0, 0)
|
|
self.ctx.translate(x, y)
|
|
self.ctx.rotate(degrees * math.pi / 180.0)
|
|
self.ctx.move_to(0, 0)
|
|
|
|
def moveArc(self, angle, r=0.0):
|
|
"""
|
|
:param angle:
|
|
:param r: (Default value = 0.0)
|
|
"""
|
|
if r < 0:
|
|
r = -r
|
|
angle = -angle
|
|
|
|
rad = math.radians(angle)
|
|
if angle > 0:
|
|
self.moveTo(r*math.sin(rad),
|
|
r*(1-math.cos(rad)), angle)
|
|
else:
|
|
self.moveTo(r*math.sin(-rad),
|
|
-r*(1-math.cos(rad)), angle)
|
|
|
|
def _continueDirection(self, angle=0):
|
|
"""
|
|
Set coordinate system to current position (end point)
|
|
|
|
:param angle: (Default value = 0) heading
|
|
|
|
"""
|
|
self.ctx.translate(*self.ctx.get_current_point())
|
|
self.ctx.rotate(angle)
|
|
|
|
def move(self, x, y, where, before=False, label=""):
|
|
"""Intended to be used by parts
|
|
where can be combinations of "up" or "down", "left" or "right", "only",
|
|
"mirror" and "rotated"
|
|
when "only" is included the move is only done when before is True
|
|
"mirror" will flip the part along the y axis
|
|
"rotated" draws the parts rotated 90 counter clockwise
|
|
The function returns whether actual drawing of the part
|
|
should be omited.
|
|
|
|
:param x: width of part
|
|
:param y: height of part
|
|
:param where: which direction to move
|
|
:param before: (Default value = False) called before or after part being drawn
|
|
|
|
"""
|
|
if not where:
|
|
where = ""
|
|
|
|
terms = where.split()
|
|
dontdraw = before and "only" in terms
|
|
|
|
x += self.spacing
|
|
y += self.spacing
|
|
|
|
if "rotated" in terms:
|
|
x, y = y, x
|
|
|
|
moves = {
|
|
"up": (0, y, False),
|
|
"down": (0, -y, True),
|
|
"left": (-x, 0, True),
|
|
"right": (x, 0, False),
|
|
"only": (0, 0, None),
|
|
"mirror": (0, 0, None),
|
|
"rotated": (0, 0, None),
|
|
}
|
|
|
|
if not before:
|
|
# restore position
|
|
self.ctx.restore()
|
|
if self.labels:
|
|
self.text(label, x/2, y/2, align="middle center", color=Color.ANNOTATIONS, fontsize=4)
|
|
self.ctx.stroke()
|
|
|
|
for term in terms:
|
|
if not term in moves:
|
|
raise ValueError("Unknown direction: '%s'" % term)
|
|
mx, my, movebeforeprint = moves[term]
|
|
if movebeforeprint and before:
|
|
self.moveTo(mx, my)
|
|
elif (not movebeforeprint and not before) or dontdraw:
|
|
self.moveTo(mx, my)
|
|
if not dontdraw:
|
|
if before:
|
|
# save position
|
|
self.ctx.save()
|
|
if self.debug:
|
|
self.ctx.rectangle(0, 0, x, y)
|
|
if "rotated" in terms:
|
|
self.moveTo(x, 0, 90)
|
|
x, y = y, x # change back for "mirror"
|
|
if "mirror" in terms:
|
|
self.moveTo(x, 0)
|
|
self.ctx.scale(-1, 1)
|
|
self.moveTo(self.spacing / 2.0, self.spacing / 2.0)
|
|
|
|
self.ctx.new_part()
|
|
|
|
return dontdraw
|
|
|
|
@restore
|
|
def circle(self, x, y, r):
|
|
"""
|
|
Draw a round disc
|
|
|
|
:param x: position
|
|
:param y: postion
|
|
:param r: radius
|
|
|
|
"""
|
|
r += self.burn
|
|
self.moveTo(x + r, y)
|
|
a = 0
|
|
n = 10
|
|
da = 2 * math.pi / n
|
|
for i in range(n):
|
|
self.ctx.arc(-r, 0, r, a, a+da)
|
|
a += da
|
|
self.ctx.stroke()
|
|
|
|
@restore
|
|
@holeCol
|
|
def hole(self, x, y, r=0.0, d=0.0, tabs=0):
|
|
"""
|
|
Draw a round hole
|
|
|
|
:param x: position
|
|
:param y: postion
|
|
:param r: radius
|
|
|
|
"""
|
|
|
|
if not r:
|
|
r = d / 2.0
|
|
if r < self.burn:
|
|
r = self.burn + 1E-9
|
|
r_ = r - self.burn
|
|
self.moveTo(x + r_, y, -90)
|
|
self.corner(-360, r, tabs)
|
|
|
|
@restore
|
|
@holeCol
|
|
def rectangularHole(self, x, y, dx, dy, r=0, center_x=True, center_y=True):
|
|
"""
|
|
Draw a rectangular hole
|
|
|
|
:param x: position
|
|
:param y: position
|
|
:param dx: width
|
|
:param dy: height
|
|
:param r: (Default value = 0) radius of the corners
|
|
:param center_x: (Default value = True) if True, x position is the center, else the start
|
|
:param center_y: (Default value = True) if True, y position is the center, else the start
|
|
|
|
"""
|
|
r = min(r, dx/2., dy/2.)
|
|
x_start = x if center_x else x + dx / 2.0
|
|
y_start = y - dy / 2.0 if center_y else y
|
|
self.moveTo(x_start, y_start + self.burn, 180)
|
|
self.edge(dx / 2.0 - r) # start with an edge to allow easier change of inner corners
|
|
for d in (dy, dx, dy, dx / 2.0 + r):
|
|
self.corner(-90, r)
|
|
self.edge(d - 2 * r)
|
|
|
|
@restore
|
|
@holeCol
|
|
def dHole(self, x, y, r=None, d=None, w=None, rel_w=0.75, angle=0):
|
|
if r is None:
|
|
r = d / 2.0
|
|
if w is None:
|
|
w = 2.0 * r * rel_w
|
|
w -= r
|
|
if r <= 0.0:
|
|
return
|
|
if abs(w) > r:
|
|
return self.hole(x, y, r)
|
|
|
|
a = math.degrees(math.acos(w / r))
|
|
self.moveTo(x, y, angle-a)
|
|
self.moveTo(r-self.burn, 0, -90)
|
|
self.corner(-360+2*a, r)
|
|
self.corner(-a)
|
|
self.edge(2*r*math.sin(math.radians(a)))
|
|
|
|
@restore
|
|
@holeCol
|
|
def flatHole(self, x, y, r=None, d=None, w=None, rel_w=0.75, angle=0):
|
|
if r is None:
|
|
r = d / 2.0
|
|
if w is None:
|
|
w = r * rel_w
|
|
else:
|
|
w = w / 2.0
|
|
|
|
if r < 0.0:
|
|
return
|
|
if abs(w) > r:
|
|
return self.hole(x, y, r)
|
|
|
|
a = math.degrees(math.acos(w / r))
|
|
self.moveTo(x, y, angle-a)
|
|
self.moveTo(r-self.burn, 0, -90)
|
|
for i in range(2):
|
|
self.corner(-180+2*a, r)
|
|
self.corner(-a)
|
|
self.edge(2*r*math.sin(math.radians(a)))
|
|
self.corner(-a)
|
|
|
|
@restore
|
|
def text(self, text, x=0, y=0, angle=0, align="", fontsize=10, color=[0.0, 0.0, 0.0]):
|
|
"""
|
|
Draw text
|
|
|
|
:param text: text to render
|
|
:param x: (Default value = 0)
|
|
:param y: (Default value = 0)
|
|
:param angle: (Default value = 0)
|
|
:param align: (Default value = "") string with combinations of (top|middle|bottom) and (left|center|right) separated by a space
|
|
|
|
"""
|
|
self.moveTo(x, y, angle)
|
|
text = text.split("\n")
|
|
|
|
lines = len(text)
|
|
height = lines * fontsize + (lines - 1) * 0.4 * fontsize
|
|
align = align.split()
|
|
halign = "left"
|
|
moves = {
|
|
"top": -height,
|
|
"middle": -0.5 * height,
|
|
"bottom": 0,
|
|
"left": "left",
|
|
"center": "middle",
|
|
"right": "end",
|
|
}
|
|
for a in align:
|
|
if a in moves:
|
|
if isinstance(moves[a], str):
|
|
halign = moves[a]
|
|
else:
|
|
self.moveTo(0, moves[a])
|
|
else:
|
|
raise ValueError("Unknown alignment: %s" % align)
|
|
|
|
for line in reversed(text):
|
|
self.ctx.show_text(line, fs=fontsize, align=halign, rgb=color)
|
|
self.moveTo(0, 1.4 * fontsize)
|
|
|
|
tx_sizes = {
|
|
1 : 0.61,
|
|
2 : 0.70,
|
|
3 : 0.82,
|
|
4 : 0.96,
|
|
5 : 1.06,
|
|
6 : 1.27,
|
|
7 : 1.49,
|
|
8 : 1.75,
|
|
9 : 1.87,
|
|
10 : 2.05,
|
|
15 : 2.40,
|
|
20 : 2.85,
|
|
25 : 3.25,
|
|
30 : 4.05,
|
|
40 : 4.85,
|
|
45 : 5.64,
|
|
50 : 6.45,
|
|
55 : 8.05,
|
|
60 : 9.60,
|
|
70 : 11.20,
|
|
80 : 12.80,
|
|
90 : 14.40,
|
|
100 : 16.00,
|
|
}
|
|
|
|
@restore
|
|
@holeCol
|
|
def TX(self, size, x=0, y=0, angle=0):
|
|
"""Draw a star pattern
|
|
|
|
:param size: 1 to 100
|
|
:param x: (Default value = 0)
|
|
:param y: (Default value = 0)
|
|
:param angle: (Default value = 0)
|
|
"""
|
|
self.moveTo(x, y, angle)
|
|
|
|
size = self.tx_sizes.get(size, 0)
|
|
ri = 0.5 * size * math.tan(math.radians(30))
|
|
ro = ri * (2**0.5-1)
|
|
|
|
self.moveTo(size * 0.5 - self.burn, 0, -90)
|
|
for i in range(6):
|
|
self.corner(45, ri)
|
|
self.corner(-150, ro)
|
|
self.corner(45, ri)
|
|
|
|
nema_sizes = {
|
|
# motor,flange, holes, screws
|
|
8: (20.3, 16, 15.4, 3),
|
|
11: (28.2, 22, 23, 4),
|
|
14: (35.2, 22, 26, 4),
|
|
16: (39.2, 22, 31, 4),
|
|
17: (42.2, 22, 31, 4),
|
|
23: (56.4, 38.1, 47.1, 5.2),
|
|
24: (60, 36, 49.8, 5.1),
|
|
34: (86.3, 73, 69.8, 6.6),
|
|
42: (110, 55.5, 89, 8.5),
|
|
}
|
|
|
|
@restore
|
|
def NEMA(self, size, x=0, y=0, angle=0, screwholes=None):
|
|
"""Draw holes for mounting a NEMA stepper motor
|
|
|
|
:param size: Nominal size in tenths of inches
|
|
:param x: (Default value = 0)
|
|
:param y: (Default value = 0)
|
|
:param angle: (Default value = 0)
|
|
|
|
"""
|
|
width, flange, holedistance, diameter = self.nema_sizes[size]
|
|
if screwholes:
|
|
diameter = screwholes
|
|
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 in a hex pattern.
|
|
|
|
Settings have:
|
|
r : radius of holes
|
|
b : space between holes
|
|
style : what types of holes (not yet implemented)
|
|
|
|
:param x: width
|
|
:param y: height
|
|
:param settings: (Default value = None)
|
|
:param skip: (Default value = None) 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.diameter/2, settings.distance, settings.style
|
|
|
|
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=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):
|
|
"""
|
|
Fill circle with holes in a hex pattern
|
|
|
|
:param d: diameter of the circle
|
|
:param settings: (Default value = None)
|
|
|
|
"""
|
|
d2 = d / 2.0
|
|
self.hexHolesRectangle(d, d, settings=settings, skip=self.__skipcircle)
|
|
|
|
def hexHolesPlate(self, x, y, rc, settings=None):
|
|
"""
|
|
Fill a plate with holes in a hex pattern
|
|
|
|
:param x: width
|
|
:param y: height
|
|
:param rc: radius of the corners
|
|
:param settings: (Default value = None)
|
|
|
|
"""
|
|
|
|
def skip(x, y, r, b, posx, posy):
|
|
"""
|
|
|
|
:param x:
|
|
:param y:
|
|
:param r:
|
|
:param b:
|
|
:param posx:
|
|
:param 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):
|
|
"""
|
|
Fill a hexagon with holes in a hex pattern
|
|
|
|
:param h: height
|
|
:param settings: (Default value = None)
|
|
:param grow: (Default value = None)
|
|
|
|
"""
|
|
if settings is None:
|
|
settings = self.hexHolesSettings
|
|
r, b, style = settings.diameter/2, settings.distance, settings.style
|
|
|
|
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)
|
|
|
|
def flex2D(self, x, y, width=1):
|
|
"""
|
|
Fill a rectangle with a pattern allowing bending in both axis
|
|
|
|
:param x: width
|
|
:param y: height
|
|
:param width: width between the lines of the pattern in multiples of thickness
|
|
"""
|
|
width *= self.thickness
|
|
cx = int(x // (5 * width))
|
|
cy = int(y // (5 * width))
|
|
|
|
if cx == 0 or cy == 0:
|
|
return
|
|
|
|
wx = x / 5. / cx
|
|
wy = y / 5. / cy
|
|
|
|
armx = (4 * wx, 90, 4 * wy, 90, 2 * wx, 90, 2 * wy)
|
|
army = (4 * wy, 90, 4 * wx, 90, 2 * wy, 90, 2 * wx)
|
|
for i in range(cx):
|
|
for j in range(cy):
|
|
if (i + j) % 2:
|
|
with self.saved_context():
|
|
self.moveTo((5 * i) * wx, (5 * j) * wy)
|
|
self.polyline(*armx)
|
|
with self.saved_context():
|
|
self.moveTo((5 * i + 5) * wx, (5 * j + 5) * wy, -180)
|
|
self.polyline(*armx)
|
|
else:
|
|
with self.saved_context():
|
|
self.moveTo((5 * i + 5) * wx, (5 * j) * wy, 90)
|
|
self.polyline(*army)
|
|
with self.saved_context():
|
|
self.moveTo((5 * i) * wx, (5 * j + 5) * wy, -90)
|
|
self.polyline(*army)
|
|
self.ctx.stroke()
|
|
|
|
@restore
|
|
def fingerHoleRectangle(self, dx, dy, x=0., y=0., angle=0., outside=False):
|
|
"""
|
|
Place finger holes for four walls - attaching a box on this plane
|
|
|
|
:param dx: size in x direction
|
|
:param dy: size in y direction
|
|
:param x: x position of the center
|
|
:param y: y position of the center
|
|
:param angle: angle in which the rectangle is placed
|
|
:param outside: meassure size from the outside of the walls - not the inside
|
|
"""
|
|
self.moveTo(x, y, angle)
|
|
d = 0.5*self.thickness
|
|
if outside:
|
|
d = -d
|
|
|
|
self.fingerHolesAt(dx/2+d, -dy/2, dy, 90)
|
|
self.fingerHolesAt(-dx/2-d, -dy/2, dy, 90)
|
|
self.fingerHolesAt(-dx/2, -dy/2-d, dx, 0)
|
|
self.fingerHolesAt(-dx/2, dy/2+d, dx, 0)
|
|
|
|
##################################################
|
|
### parts
|
|
##################################################
|
|
|
|
def _splitWall(self, pieces, side):
|
|
"""helper for roundedPlate and surroundingWall
|
|
figures out what sides to split
|
|
"""
|
|
return [
|
|
(False, False, False, False, True),
|
|
(True, False, False, False, True),
|
|
(True, False, True, False, True),
|
|
(True, True, True, False, True),
|
|
(True, True, True, True, True),
|
|
][pieces][side]
|
|
|
|
def roundedPlate(self, x, y, r, edge="f", callback=None,
|
|
holesMargin=None, holesSettings=None,
|
|
bedBolts=None, bedBoltSettings=None,
|
|
wallpieces=1,
|
|
extend_corners=True,
|
|
move=None):
|
|
"""Plate with rounded corner fitting to .surroundingWall()
|
|
|
|
For the callbacks the sides are counted depending on wallpieces
|
|
|
|
:param x: width
|
|
:param y: hight
|
|
:param r: radius of the corners
|
|
:param callback: (Default value = None)
|
|
:param holesMargin: (Default value = None) set to get hex holes
|
|
:param holesSettings: (Default value = None)
|
|
:param bedBolts: (Default value = None)
|
|
:param bedBoltSettings: (Default value = None)
|
|
:param wallpieces: (Default value = 1) # of separate surrounding walls
|
|
:param extend_corners: (Default value = True) have corners outset with teh edges
|
|
:param move: (Default value = None)
|
|
|
|
"""
|
|
corner_holes = True
|
|
|
|
t = self.thickness
|
|
edge = self.edges.get(edge, edge)
|
|
overallwidth = x + 2 * edge.spacing()
|
|
overallheight = y + 2 * edge.spacing()
|
|
|
|
if self.move(overallwidth, overallheight, move, before=True):
|
|
return
|
|
|
|
lx = x - 2*r
|
|
ly = y - 2*r
|
|
|
|
self.moveTo(edge.spacing(),
|
|
edge.margin())
|
|
self.moveTo(r, 0)
|
|
|
|
if wallpieces > 4:
|
|
wallpieces = 4
|
|
|
|
wallcount = 0
|
|
for nr, l in enumerate((lx, ly, lx, ly)):
|
|
if self._splitWall(wallpieces, nr):
|
|
for i in range(2):
|
|
self.cc(callback, wallcount, y=edge.startwidth()+self.burn)
|
|
edge(l / 2.0 ,
|
|
bedBolts=self.getEntry(bedBolts, wallcount),
|
|
bedBoltSettings=self.getEntry(bedBoltSettings, wallcount))
|
|
wallcount += 1
|
|
else:
|
|
self.cc(callback, wallcount, y=edge.startwidth()+self.burn)
|
|
edge(l,
|
|
bedBolts=self.getEntry(bedBolts, wallcount),
|
|
bedBoltSettings=self.getEntry(bedBoltSettings, wallcount))
|
|
wallcount += 1
|
|
if extend_corners:
|
|
if corner_holes:
|
|
with self.saved_context():
|
|
self.moveTo(0, edge.startwidth())
|
|
self.polyline(0, (90, r), 0, -90, t, -90, 0,
|
|
(-90, r+t), 0, -90, t, -90, 0,)
|
|
self.ctx.stroke()
|
|
self.corner(90, r + edge.startwidth())
|
|
else:
|
|
self.step(-edge.endwidth())
|
|
self.corner(90, r)
|
|
self.step(edge.startwidth())
|
|
|
|
self.ctx.restore()
|
|
self.ctx.save()
|
|
|
|
self.moveTo(edge.margin(),
|
|
edge.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.move(overallwidth, overallheight, move)
|
|
|
|
def surroundingWall(self, x, y, r, h,
|
|
bottom='e', top='e',
|
|
left="D", right="d",
|
|
pieces=1,
|
|
extend_corners=True,
|
|
callback=None,
|
|
move=None):
|
|
"""
|
|
Wall(s) with flex fiting around a roundedPlate()
|
|
|
|
For the callbacks the sides are counted depending on pieces
|
|
|
|
:param x: width of matching roundedPlate
|
|
:param y: height of matching roundedPlate
|
|
:param r: corner radius of matching roundedPlate
|
|
:param h: inner height of the wall (without edges)
|
|
:param bottom: (Default value = 'e') Edge type
|
|
:param top: (Default value = 'e') Edge type
|
|
:param left: (Default value = 'D') left edge(s)
|
|
:param right: (Default value = 'd') right edge(s)
|
|
:param pieces: (Default value = 1) number of separate pieces
|
|
:param callback: (Default value = None)
|
|
:param move: (Default value = None)
|
|
|
|
"""
|
|
t = self.thickness
|
|
c4 = (r + self.burn) * math.pi * 0.5 # circumference of quarter circle
|
|
c4 = c4 / self.edges["X"].settings.stretch
|
|
|
|
top = self.edges.get(top, top)
|
|
bottom = self.edges.get(bottom, bottom)
|
|
left = self.edges.get(left, left)
|
|
right = self.edges.get(right, right)
|
|
|
|
# XXX assumes startwidth == endwidth
|
|
if extend_corners:
|
|
topwidth = t
|
|
bottomwidth = t
|
|
else:
|
|
topwidth = top.startwidth()
|
|
bottomwidth = bottom.startwidth()
|
|
|
|
overallwidth = 2*x + 2*y - 8*r + 4*c4 + (self.edges["d"].spacing() + self.edges["D"].spacing() + self.spacing) * pieces
|
|
overallheight = h + top.spacing() + bottom.spacing()
|
|
|
|
if self.move(overallwidth, overallheight, move, before=True):
|
|
return
|
|
|
|
self.moveTo(left.spacing(), bottom.margin())
|
|
|
|
wallcount = 0
|
|
tops = [] # edges needed on the top for this wall segment
|
|
|
|
if pieces<=2 and (y - 2 * r) < 1E-3:
|
|
# remove zero length y sides
|
|
c4 *= 2
|
|
sides = (x/2-r, x - 2*r, x - 2*r)
|
|
if pieces > 0: # hack to get the right splits
|
|
pieces += 1
|
|
else:
|
|
sides = (x/2-r, y - 2*r, x - 2*r, y - 2*r, x - 2*r)
|
|
|
|
for nr, l in enumerate(sides):
|
|
if self._splitWall(pieces, nr) and nr > 0:
|
|
self.cc(callback, wallcount, y=bottomwidth + self.burn)
|
|
wallcount += 1
|
|
bottom(l / 2.)
|
|
tops.append(l / 2.)
|
|
|
|
# complete wall segment
|
|
with self.saved_context():
|
|
self.edgeCorner(bottom, right, 90)
|
|
right(h)
|
|
self.edgeCorner(right, top, 90)
|
|
for n, d in enumerate(reversed(tops)):
|
|
if n % 2: # flex
|
|
self.step(topwidth-top.endwidth())
|
|
self.edge(d)
|
|
self.step(top.startwidth()-topwidth)
|
|
else:
|
|
top(d)
|
|
self.edgeCorner(top, left, 90)
|
|
left(h)
|
|
self.edgeCorner(left, bottom, 90)
|
|
|
|
if nr == len(sides) - 1:
|
|
break
|
|
# start new wall segment
|
|
tops = []
|
|
self.moveTo(right.margin() + left.margin() + self.spacing)
|
|
self.cc(callback, wallcount, y=bottomwidth + self.burn)
|
|
wallcount += 1
|
|
bottom(l / 2.)
|
|
tops.append(l / 2.)
|
|
else:
|
|
self.cc(callback, wallcount, y=bottomwidth + self.burn)
|
|
wallcount += 1
|
|
bottom(l)
|
|
tops.append(l)
|
|
self.step(bottomwidth-bottom.endwidth())
|
|
self.edges["X"](c4, h + topwidth + bottomwidth)
|
|
self.step(bottom.startwidth()-bottomwidth)
|
|
tops.append(c4)
|
|
|
|
self.move(overallwidth, overallheight, move)
|
|
|
|
def rectangularWall(self, x, y, edges="eeee",
|
|
ignore_widths=[],
|
|
holesMargin=None, holesSettings=None,
|
|
bedBolts=None, bedBoltSettings=None,
|
|
callback=None,
|
|
move=None,
|
|
label=""):
|
|
"""
|
|
Rectangular wall for all kind of box like objects
|
|
|
|
:param x: width
|
|
:param y: height
|
|
:param edges: (Default value = "eeee") bottom, right, top, left
|
|
:param ignore_widths: list of edge_widths added to adjacent edge
|
|
:param holesMargin: (Default value = None)
|
|
:param holesSettings: (Default value = None)
|
|
:param bedBolts: (Default value = None)
|
|
:param bedBoltSettings: (Default value = None)
|
|
:param callback: (Default value = None)
|
|
:param move: (Default value = None)
|
|
:param label: rendered to identify parts, it is not ment to be cut or etched (Default value = "")
|
|
|
|
"""
|
|
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
|
|
|
|
if 7 not in ignore_widths:
|
|
self.moveTo(edges[-1].spacing())
|
|
if 6 not in ignore_widths:
|
|
self.moveTo(0, edges[0].margin())
|
|
for i, l in enumerate((x, y, x, y)):
|
|
self.cc(callback, i, y=edges[i].startwidth() + self.burn)
|
|
e1, e2 = edges[i], edges[i + 1]
|
|
if (2*i-1 in ignore_widths or
|
|
2*i-1+8 in ignore_widths):
|
|
l += edges[i-1].endwidth()
|
|
if 2*i in ignore_widths:
|
|
l += edges[i+1].startwidth()
|
|
e2 = self.edges["e"]
|
|
if 2*i+1in ignore_widths:
|
|
e1 = self.edges["e"]
|
|
|
|
edges[i](l,
|
|
bedBolts=self.getEntry(bedBolts, i),
|
|
bedBoltSettings=self.getEntry(bedBoltSettings, i))
|
|
self.edgeCorner(e1, e2, 90)
|
|
|
|
if holesMargin is not None:
|
|
self.moveTo(holesMargin,
|
|
holesMargin + edges[0].startwidth())
|
|
self.hexHolesRectangle(x - 2 * holesMargin, y - 2 * holesMargin, settings=holesSettings)
|
|
|
|
self.move(overallwidth, overallheight, move, label=label)
|
|
|
|
def flangedWall(self, x, y, edges="FFFF", flanges=None, r=0.0,
|
|
callback=None, move=None, label=""):
|
|
"""Rectangular wall with flanges extending the regular size
|
|
|
|
This is similar to the rectangularWall but it may extend to either side
|
|
replacing the F edge with fingerHoles. Use with E and F for edges only.
|
|
|
|
:param x: width
|
|
:param y: height
|
|
:param edges: (Default value = "FFFF") bottom, right, top, left
|
|
:param flanges: (Default value = None) list of width of the flanges
|
|
:param r: radius of the corners of the flange
|
|
:param callback: (Default value = None)
|
|
:param move: (Default value = None)
|
|
:param label: rendered to identify parts, it is not ment to be cut or etched (Default value = "")
|
|
"""
|
|
|
|
t = self.thickness
|
|
|
|
if not flanges:
|
|
flanges = [0.0] * 4
|
|
|
|
while len(flanges) < 4:
|
|
flanges.append(0.0)
|
|
|
|
flanges = flanges + flanges # double to allow looping around
|
|
|
|
tw = x + 2*t + flanges[1] + flanges[3]
|
|
th = y + 2*t + flanges[0] + flanges[2]
|
|
|
|
if self.move(tw, th, move, True):
|
|
return
|
|
|
|
rl = min(r, max(flanges[-1], flanges[0]))
|
|
self.moveTo(rl)
|
|
|
|
for i in range(4):
|
|
l = y if i % 2 else x
|
|
|
|
rl = min(r, max(flanges[i-1], flanges[i]))
|
|
rr = min(r, max(flanges[i], flanges[i+1]))
|
|
self.cc(callback, i, x=-rl)
|
|
if flanges[i]:
|
|
if edges[i] == "F":
|
|
self.fingerHolesAt(flanges[i-1]+t-rl, 0.5*t+flanges[i], l,
|
|
angle=0)
|
|
self.edge(l+flanges[i-1]+flanges[i+1]+2*t-rl-rr)
|
|
else:
|
|
self.edge(flanges[i-1]+t-rl)
|
|
self.edges.get(edges[i], edges[i])(l)
|
|
self.edge(flanges[i+1]+t-rr)
|
|
self.corner(90, rr)
|
|
self.move(tw, th, move, label=label)
|
|
|
|
def rectangularTriangle(self, x, y, edges="eee", r=0.0, num=1,
|
|
bedBolts=None, bedBoltSettings=None,
|
|
callback=None,
|
|
move=None,
|
|
label=""):
|
|
"""
|
|
Rectangular triangular wall
|
|
|
|
:param x: width
|
|
:param y: height
|
|
:param edges: (Default value = "eee") bottom, right[, diagonal]
|
|
:param r: radius towards the hypothenuse
|
|
:param num: (Default value = 1) number of triangles
|
|
:param bedBolts: (Default value = None)
|
|
:param bedBoltSettings: (Default value = None)
|
|
:param callback: (Default value = None)
|
|
:param move: (Default value = None)
|
|
:param label: rendered to identify parts, it is not ment to be cut or etched (Default value = "")
|
|
"""
|
|
edges = [self.edges.get(e, e) for e in edges]
|
|
if len(edges) == 2:
|
|
edges.append(self.edges["e"])
|
|
if len(edges) != 3:
|
|
raise ValueError("two or three edges required")
|
|
|
|
r = min(r, x, y)
|
|
|
|
width = x + edges[-1].spacing() + edges[1].spacing()
|
|
height = y + edges[0].spacing() + edges[2].spacing()
|
|
if num > 1:
|
|
width += edges[-1].spacing() + edges[1].spacing() + 2*self.spacing
|
|
height += 0.7*r + edges[0].spacing() + edges[2].spacing() + self.spacing
|
|
|
|
overallwidth = width * (num // 2 + num % 2)
|
|
overallheight = height
|
|
|
|
alpha = math.degrees(math.atan2(y-r, float(x-r)))
|
|
|
|
if self.move(overallwidth, overallheight, move, before=True):
|
|
return
|
|
|
|
if self.debug:
|
|
self.rectangularHole(width/2., height/2., width, height)
|
|
|
|
if num > 1:
|
|
self.moveTo(self.spacing + edges[-1].spacing())
|
|
|
|
for n in range(num):
|
|
self.moveTo(edges[-1].spacing()+self.spacing, edges[0].margin())
|
|
if n % 2 == 1:
|
|
self.moveTo(2*edges[1].spacing()+self.spacing, 0)
|
|
if num > 1:
|
|
self.moveTo(edges[1].spacing(), 0)
|
|
for i, l in enumerate((x, y)):
|
|
self.cc(callback, i, y=edges[i].startwidth() + self.burn)
|
|
edges[i](l,
|
|
bedBolts=self.getEntry(bedBolts, i),
|
|
bedBoltSettings=self.getEntry(bedBoltSettings, i))
|
|
self.edgeCorner(edges[i], edges[i + 1], 90)
|
|
|
|
self.corner(alpha, r)
|
|
self.cc(callback, 2)
|
|
edges[2](((x-r)**2+(y-r)**2)**0.5)
|
|
self.corner(90-alpha, r)
|
|
self.corner(90)
|
|
self.ctx.stroke()
|
|
|
|
if n % 2:
|
|
self.moveTo(-edges[1].spacing()-2*self.spacing-edges[-1].spacing(), height-edges[0].spacing(), 180)
|
|
else:
|
|
self.moveTo(width+1*edges[1].spacing()-self.spacing-2*edges[-1].spacing(), height-edges[0].spacing(), 180)
|
|
|
|
|
|
self.move(overallwidth, overallheight, move, label=label)
|
|
|
|
def trapezoidWall(self, w, h0, h1, edges="eeee",
|
|
callback=None, move=None,
|
|
label=""):
|
|
"""
|
|
Rectangular trapezoidal wall
|
|
|
|
:param w: width
|
|
:param h0: left height
|
|
:param h1: right height
|
|
:param edges: (Default value = "eee") bottom, right, left
|
|
:param callback: (Default value = None)
|
|
:param move: (Default value = None)
|
|
:param label: rendered to identify parts, it is not ment to be cut or etched (Default value = "")
|
|
"""
|
|
|
|
edges = [self.edges.get(e, e) for e in edges]
|
|
|
|
overallwidth = w + edges[-1].spacing() + edges[1].spacing()
|
|
overallheight = max(h0, h1) + edges[0].spacing()
|
|
|
|
if self.move(overallwidth, overallheight, move, before=True):
|
|
return
|
|
|
|
a = math.degrees(math.atan((h1-h0)/w))
|
|
l = ((h0-h1)**2+w**2)**0.5
|
|
|
|
self.moveTo(edges[-1].spacing(), edges[0].margin())
|
|
self.cc(callback, 0, y=edges[0].startwidth())
|
|
edges[0](w)
|
|
self.edgeCorner(edges[0], edges[1], 90)
|
|
self.cc(callback, 1, y=edges[1].startwidth())
|
|
edges[1](h1)
|
|
self.edgeCorner(edges[1], self.edges["e"], 90)
|
|
self.corner(a)
|
|
self.cc(callback, 2)
|
|
edges[2](l)
|
|
self.corner(-a)
|
|
self.edgeCorner(self.edges["e"], edges[-1], 90)
|
|
self.cc(callback, 3, y=edges[-1].startwidth())
|
|
edges[3](h0)
|
|
self.edgeCorner(edges[-1], edges[0], 90)
|
|
|
|
self.move(overallwidth, overallheight, move, label=label)
|
|
|
|
def trapezoidSideWall(self, w, h0, h1, edges="eeee",
|
|
radius=0.0, callback=None, move=None,
|
|
label=""):
|
|
"""
|
|
Rectangular trapezoidal wall
|
|
|
|
:param w: width
|
|
:param h0: left height
|
|
:param h1: right height
|
|
:param edges: (Default value = "eeee") bottom, right, left
|
|
:param radius: (Default vaule = 0.0) radius of upper corners
|
|
:param callback: (Default value = None)
|
|
:param move: (Default value = None)
|
|
:param label: rendered to identify parts, it is not ment to be cut or etched (Default value = "")
|
|
"""
|
|
|
|
edges = [self.edges.get(e, e) for e in edges]
|
|
|
|
overallwidth = w + edges[-1].spacing() + edges[1].spacing()
|
|
overallheight = max(h0, h1) + edges[0].spacing()
|
|
|
|
if self.move(overallwidth, overallheight, move, before=True):
|
|
return
|
|
|
|
r = min(radius, abs(h0-h1))
|
|
ws = w-r
|
|
if h0 > h1:
|
|
ws += edges[1].endwidth()
|
|
else:
|
|
ws += edges[3].startwidth()
|
|
hs = abs(h1-h0) - r
|
|
a = math.degrees(math.atan(hs/ws))
|
|
l = (ws**2+hs**2)**0.5
|
|
|
|
self.moveTo(edges[-1].spacing(), edges[0].margin())
|
|
self.cc(callback, 0, y=edges[0].startwidth())
|
|
edges[0](w)
|
|
self.edgeCorner(edges[0], edges[1], 90)
|
|
self.cc(callback, 1, y=edges[1].startwidth())
|
|
edges[1](h1)
|
|
|
|
if h0 > h1:
|
|
self.polyline(0, (90-a, r))
|
|
self.cc(callback, 2)
|
|
edges[2](l)
|
|
self.polyline(0, (a, r), edges[3].startwidth(), 90)
|
|
else:
|
|
self.polyline(0, 90, edges[1].endwidth(), (a, r))
|
|
self.cc(callback, 2)
|
|
edges[2](l)
|
|
self.polyline(0, (90-a, r))
|
|
self.cc(callback, 3, y=edges[-1].startwidth())
|
|
edges[3](h0)
|
|
self.edgeCorner(edges[-1], edges[0], 90)
|
|
|
|
self.move(overallwidth, overallheight, move, label)
|
|
|
|
### polygonWall and friends
|
|
|
|
def _polygonWallExtend(self, borders, edge, close=False):
|
|
posx, posy = 0, 0
|
|
ext = [ 0.0 ] * 4
|
|
angle = 0
|
|
|
|
def checkpoint(ext, x, y):
|
|
ext[0] = min(ext[0], x)
|
|
ext[1] = min(ext[1], y)
|
|
ext[2] = max(ext[2], x)
|
|
ext[3] = max(ext[3], y)
|
|
|
|
for i in range(len(borders)):
|
|
if i % 2:
|
|
try:
|
|
a, r = borders[i]
|
|
except TypeError:
|
|
angle = (angle + borders[i]) % 360
|
|
continue
|
|
if a > 0:
|
|
centerx = posx + r * math.cos(math.radians(angle+90))
|
|
centery = posy + r * math.sin(math.radians(angle+90))
|
|
else:
|
|
centerx = posx + r * math.cos(math.radians(angle-90))
|
|
centery = posy + r * math.sin(math.radians(angle-90))
|
|
|
|
for direction in (0, 90, 180, 270):
|
|
if (a > 0 and
|
|
angle <= direction and (angle + a) % 360 >= direction):
|
|
direction -= 90
|
|
elif (a < 0 and
|
|
angle >= direction and (angle + a) % 360 <= direction):
|
|
direction -= 90
|
|
else:
|
|
continue
|
|
checkpoint(ext, centerx + r * math.cos(math.radians(direction)), centery + r * math.sin(math.radians(direction)))
|
|
#print("%4s %4s %4s %f %f" % (angle, direction+90, angle+a, centerx + r * math.cos(math.radians(direction)), centery + r * math.sin(math.radians(direction))))
|
|
angle = (angle + a) % 360
|
|
if a > 0:
|
|
posx = centerx + r * math.cos(math.radians(angle-90))
|
|
posy = centery + r * math.sin(math.radians(angle-90))
|
|
else:
|
|
posx = centerx + r * math.cos(math.radians(angle+90))
|
|
posy = centery + r * math.sin(math.radians(angle+90))
|
|
else:
|
|
posx += borders[i] * math.cos(math.radians(angle))
|
|
posy += borders[i] * math.sin(math.radians(angle))
|
|
checkpoint(ext, posx, posy)
|
|
|
|
ext[0] -= edge.margin()
|
|
ext[1] -= edge.margin()
|
|
ext[2] += edge.margin()
|
|
ext[3] += edge.margin()
|
|
|
|
return ext
|
|
|
|
def polygonWall(self, borders, edge="f", turtle=False,
|
|
callback=None, move=None):
|
|
|
|
e = self.edges.get(edge, edge)
|
|
t = self.thickness # XXX edge.margin()
|
|
|
|
minx, miny, maxx, maxy = self._polygonWallExtend(borders, e)
|
|
|
|
tw, th = maxx - minx, maxy - miny
|
|
|
|
if not turtle:
|
|
if self.move(tw, th, move, True):
|
|
return
|
|
|
|
self.moveTo(-minx, -miny)
|
|
|
|
length_correction = 0.
|
|
for i in range(0, len(borders), 2):
|
|
self.cc(callback, i)
|
|
self.edge(length_correction)
|
|
l = borders[i] - length_correction
|
|
next_angle = borders[i+1]
|
|
|
|
if isinstance(next_angle, (int, float)) and next_angle < 0:
|
|
length_correction = t * math.tan(math.radians((-next_angle / 2)))
|
|
else:
|
|
length_correction = 0.0
|
|
l -= length_correction
|
|
e(l)
|
|
self.edge(length_correction)
|
|
self.corner(next_angle, tabs=1)
|
|
|
|
if not turtle:
|
|
self.move(tw, th, move)
|
|
|
|
@restore
|
|
def polygonWalls(self, borders, h, bottom="F", top="F", symetrical=True):
|
|
bottom = self.edges.get(bottom, bottom)
|
|
top = self.edges.get(top, top)
|
|
t = self.thickness # XXX edge.margin()
|
|
|
|
leftsettings = copy.deepcopy(self.edges["f"].settings)
|
|
lf, lF, lh = leftsettings.edgeObjects(self, add=False)
|
|
rightsettings = copy.deepcopy(self.edges["f"].settings)
|
|
rf, rF, rh = rightsettings.edgeObjects(self, add=False)
|
|
|
|
length_correction = 0.
|
|
angle = borders[-1]
|
|
i = 0
|
|
part_cnt = 0
|
|
|
|
self.moveTo(0, bottom.margin())
|
|
while i < len(borders):
|
|
if symetrical:
|
|
if part_cnt % 2:
|
|
left, right = lf, rf
|
|
else:
|
|
# last part of an uneven lot
|
|
if (part_cnt == (len(borders)//2)-1):
|
|
left, right = lF, rf
|
|
else:
|
|
left, right = lF, rF
|
|
else:
|
|
left, right = lf, rF
|
|
|
|
top_lengths = []
|
|
top_edges = []
|
|
|
|
self.moveTo(left.spacing() + self.spacing, 0)
|
|
l = borders[i] - length_correction
|
|
leftsettings.setValues(self.thickness, angle=angle)
|
|
angle = borders[i+1]
|
|
|
|
while isinstance(angle, (tuple, list)):
|
|
bottom(l)
|
|
angle, radius = angle
|
|
lr = abs(math.radians(angle) * radius)
|
|
self.edges["X"](lr, h + 2*t) # XXX
|
|
top_lengths.append(l)
|
|
top_lengths.append(lr)
|
|
top_edges.append(top)
|
|
top_edges.append("E")
|
|
|
|
i += 2
|
|
l = borders[i]
|
|
angle = borders[i+1]
|
|
|
|
rightsettings.setValues(self.thickness, angle=angle)
|
|
if angle < 0:
|
|
length_correction = t * math.tan(math.radians((-angle / 2)))
|
|
else:
|
|
length_correction = 0.0
|
|
l -= length_correction
|
|
|
|
bottom(l)
|
|
|
|
top_lengths.append(l)
|
|
top_edges.append(top)
|
|
with self.saved_context():
|
|
self.edgeCorner(bottom, right, 90)
|
|
right(h)
|
|
self.edgeCorner(right, top, 90)
|
|
|
|
top_edges.reverse()
|
|
top_lengths.reverse()
|
|
edges.CompoundEdge(self, top_edges, top_lengths)(sum(top_lengths))
|
|
self.edgeCorner(top, left, 90)
|
|
left(h)
|
|
self.edgeCorner(left, bottom, 90)
|
|
self.ctx.stroke()
|
|
|
|
self.moveTo(right.spacing() + self.spacing)
|
|
part_cnt += 1
|
|
i += 2
|
|
|
|
|
|
##################################################
|
|
### Place Parts
|
|
##################################################
|
|
|
|
def partsMatrix(self, n, width, move, part, *l, **kw):
|
|
"""place many of the same part
|
|
|
|
:param n: number of parts
|
|
:param width: number of parts in a row (0 for same as n)
|
|
:param move: (Default value = None)
|
|
:param part: callable that draws a part and knows move param
|
|
:param \*l: params for part
|
|
:param \*\*kw: keyword params for part
|
|
"""
|
|
if n <= 0:
|
|
return
|
|
|
|
if not width:
|
|
width = n
|
|
|
|
rows = n//width + (1 if n % width else 0)
|
|
|
|
if not move:
|
|
move = ""
|
|
move = move.split()
|
|
|
|
#move down / left before
|
|
for m in move:
|
|
if m == "left":
|
|
kw["move"] = "left only"
|
|
for i in range(width):
|
|
part(*l, **kw)
|
|
if m == "down":
|
|
kw["move"] = "down only"
|
|
for i in range(rows):
|
|
part(*l, **kw)
|
|
# draw matrix
|
|
for i in range(rows):
|
|
with self.saved_context():
|
|
for j in range(width):
|
|
if "only" in move:
|
|
break
|
|
if width*i+j >= n:
|
|
break
|
|
kw["move"] = "right"
|
|
part(*l, **kw)
|
|
kw["move"] = "up only"
|
|
part(*l, **kw)
|
|
|
|
# Move back down
|
|
if "up" not in move:
|
|
kw["move"] = "down only"
|
|
for i in range(rows):
|
|
part(*l, **kw)
|
|
|
|
# Move right
|
|
if "right" in move:
|
|
kw["move"] = "right only"
|
|
for i in range(width):
|
|
part(*l, **kw)
|
|
|
|
def mirrorX(self, f, offset=0.0):
|
|
"""Wrap a function to draw mirrored at the y axis
|
|
|
|
:param f: function to wrap
|
|
:param offset: (default value = 0.0) axis to mirror at
|
|
"""
|
|
def r():
|
|
self.moveTo(offset, 0)
|
|
with self.saved_context():
|
|
self.ctx.scale(-1, 1)
|
|
f()
|
|
return r
|
|
|
|
def mirrorY(self, f, offset=0.0):
|
|
"""Wrap a function to draw mirrored at the x axis
|
|
|
|
:param f: function to wrap
|
|
:param offset: (default value = 0.0) axis to mirror at
|
|
"""
|
|
def r():
|
|
self.moveTo(0, offset)
|
|
with self.saved_context():
|
|
self.ctx.scale(1, -1)
|
|
f()
|
|
return r
|