310 lines
11 KiB
Python
310 lines
11 KiB
Python
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#!/usr/bin/env python
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'''
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Copyright (C) 2017 Jarrett Rainier jrainier@gmail.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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'''
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import inkex, cmath
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from inkex.paths import Path, ZoneClose, Move
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from lxml import etree
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debugEn = False
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def debugMsg(input):
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if debugEn:
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inkex.utils.debug(input)
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def linesNumber(path):
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retval = -1
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for elem in path:
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debugMsg('linesNumber')
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debugMsg(elem)
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retval = retval + 1
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debugMsg('Number of lines : ' + str(retval))
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return retval
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def to_complex(point):
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c = None
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try:
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c = complex(point.x, point.y)
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except Exception as e:
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pass
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if c is not None:
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return c
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else:
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inkex.utils.debug("The selection seems not be be a usable polypath. QuickJoint does not operate on curves. Try to flatten bezier curves or splitting up the path.")
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exit(1)
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class QuickJoint(inkex.EffectExtension):
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def add_arguments(self, pars):
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pars.add_argument('-s', '--side', type=int, default=0, help='Object face to tabify')
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pars.add_argument('-n', '--numtabs', type=int, default=1, help='Number of tabs to add')
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pars.add_argument('-l', '--numslots', type=int, default=1, help='Number of slots to add')
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pars.add_argument('-t', '--thickness', type=float, default=3.0, help='Material thickness')
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pars.add_argument('-k', '--kerf', type=float, default=0.14, help='Measured kerf of cutter')
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pars.add_argument('-u', '--units', default='mm', help='Measurement units')
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pars.add_argument('-e', '--edgefeatures', type=inkex.Boolean, default=False, help='Allow tabs to go right to edges')
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pars.add_argument('-f', '--flipside', type=inkex.Boolean, default=False, help='Flip side of lines that tabs are drawn onto')
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pars.add_argument('-a', '--activetab', default='', help='Tab or slot menus')
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def to_complex(self, command, line):
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debugMsg('To complex: ' + command + ' ' + str(line))
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return complex(line[0], line[1])
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def get_length(self, line):
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polR, polPhi = cmath.polar(line)
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return polR
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def draw_parallel(self, start, guideLine, stepDistance):
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polR, polPhi = cmath.polar(guideLine)
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polR = stepDistance
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return (cmath.rect(polR, polPhi) + start)
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def draw_perpendicular(self, start, guideLine, stepDistance, invert = False):
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polR, polPhi = cmath.polar(guideLine)
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polR = stepDistance
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debugMsg(polPhi)
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if invert:
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polPhi += (cmath.pi / 2)
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else:
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polPhi -= (cmath.pi / 2)
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debugMsg(polPhi)
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debugMsg(cmath.rect(polR, polPhi))
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return (cmath.rect(polR, polPhi) + start)
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def draw_box(self, start, guideLine, xDistance, yDistance, kerf):
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polR, polPhi = cmath.polar(guideLine)
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#Kerf expansion
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if self.flipside:
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start -= cmath.rect(kerf / 2, polPhi)
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start -= cmath.rect(kerf / 2, polPhi + (cmath.pi / 2))
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else:
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start -= cmath.rect(kerf / 2, polPhi)
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start -= cmath.rect(kerf / 2, polPhi - (cmath.pi / 2))
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lines = []
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lines.append(['M', [start.real, start.imag]])
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#Horizontal
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polR = xDistance
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move = cmath.rect(polR + kerf, polPhi) + start
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lines.append(['L', [move.real, move.imag]])
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start = move
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#Vertical
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polR = yDistance
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if self.flipside:
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polPhi += (cmath.pi / 2)
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else:
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polPhi -= (cmath.pi / 2)
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move = cmath.rect(polR + kerf, polPhi) + start
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lines.append(['L', [move.real, move.imag]])
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start = move
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#Horizontal
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polR = xDistance
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if self.flipside:
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polPhi += (cmath.pi / 2)
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else:
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polPhi -= (cmath.pi / 2)
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move = cmath.rect(polR + kerf, polPhi) + start
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lines.append(['L', [move.real, move.imag]])
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start = move
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lines.append(['Z', []])
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return lines
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def draw_tabs(self, path, line):
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#Male tab creation
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start = to_complex(path[line])
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closePath = False
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#Line is between last and first (closed) nodes
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end = None
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if isinstance(path[line+1], ZoneClose):
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end = to_complex(path[0])
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closePath = True
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else:
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end = to_complex(path[line+1])
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debugMsg('start')
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debugMsg(start)
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debugMsg('end')
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debugMsg(end)
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debugMsg('5-')
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if self.edgefeatures:
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segCount = (self.numtabs * 2) - 1
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drawValley = False
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else:
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segCount = (self.numtabs * 2)
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drawValley = False
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distance = end - start
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debugMsg('distance ' + str(distance))
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debugMsg('segCount ' + str(segCount))
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try:
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if self.edgefeatures:
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segLength = self.get_length(distance) / segCount
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else:
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segLength = self.get_length(distance) / (segCount + 1)
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except:
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debugMsg('in except')
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segLength = self.get_length(distance)
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debugMsg('segLength - ' + str(segLength))
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newLines = []
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# when handling firlt line need to set M back
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if isinstance(path[line], Move):
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newLines.append(['M', [start.real, start.imag]])
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if self.edgefeatures == False:
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newLines.append(['L', [start.real, start.imag]])
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start = self.draw_parallel(start, distance, segLength)
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newLines.append(['L', [start.real, start.imag]])
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debugMsg('Initial - ' + str(start))
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for i in range(segCount):
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if drawValley == True:
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#Vertical
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start = self.draw_perpendicular(start, distance, self.thickness, self.flipside)
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newLines.append(['L', [start.real, start.imag]])
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debugMsg('ValleyV - ' + str(start))
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drawValley = False
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#Horizontal
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start = self.draw_parallel(start, distance, segLength)
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newLines.append(['L', [start.real, start.imag]])
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debugMsg('ValleyH - ' + str(start))
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else:
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#Vertical
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start = self.draw_perpendicular(start, distance, self.thickness, not self.flipside)
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newLines.append(['L', [start.real, start.imag]])
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debugMsg('HillV - ' + str(start))
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drawValley = True
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#Horizontal
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start = self.draw_parallel(start, distance, segLength)
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newLines.append(['L', [start.real, start.imag]])
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debugMsg('HillH - ' + str(start))
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if self.edgefeatures == True:
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start = self.draw_perpendicular(start, distance, self.thickness, self.flipside)
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newLines.append(['L', [start.real, start.imag]])
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debugMsg('Final - ' + str(start))
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if closePath:
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newLines.append(['Z', []])
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return newLines
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def draw_slots(self, path):
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#Female slot creation
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start = to_complex(path[0])
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end = to_complex(path[1])
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if self.edgefeatures:
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segCount = (self.numslots * 2) - 1
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else:
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segCount = (self.numslots * 2)
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distance = end - start
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debugMsg('distance ' + str(distance))
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debugMsg('segCount ' + str(segCount))
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try:
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if self.edgefeatures:
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segLength = self.get_length(distance) / segCount
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else:
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segLength = self.get_length(distance) / (segCount + 1)
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except:
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segLength = self.get_length(distance)
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debugMsg('segLength - ' + str(segLength))
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newLines = []
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line_style = str(inkex.Style({ 'stroke': '#000000', 'fill': 'none', 'stroke-width': str(self.svg.unittouu('0.1mm')) }))
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for i in range(segCount):
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if (self.edgefeatures and (i % 2) == 0) or (not self.edgefeatures and (i % 2)):
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newLines = self.draw_box(start, distance, segLength, self.thickness, self.kerf)
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debugMsg(newLines)
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slot_id = self.svg.get_unique_id('slot')
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g = etree.SubElement(self.svg.get_current_layer(), 'g', {'id':slot_id})
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line_atts = { 'style':line_style, 'id':slot_id+'-inner-close-tab', 'd':str(Path(newLines)) }
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etree.SubElement(g, inkex.addNS('path','svg'), line_atts )
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#Find next point
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polR, polPhi = cmath.polar(distance)
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polR = segLength
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start = cmath.rect(polR, polPhi) + start
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def effect(self):
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self.side = self.options.side
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self.numtabs = self.options.numtabs
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self.numslots = self.options.numslots
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self.thickness = self.svg.unittouu(str(self.options.thickness) + self.options.units)
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self.kerf = self.svg.unittouu(str(self.options.kerf) + self.options.units)
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self.units = self.options.units
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self.edgefeatures = self.options.edgefeatures
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self.flipside = self.options.flipside
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self.activetab = self.options.activetab
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for id, node in self.svg.selected.items():
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debugMsg(node)
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debugMsg('1')
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if node.tag == inkex.addNS('path','svg'):
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p = list(node.path.to_superpath().to_segments())
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debugMsg('2')
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debugMsg(p)
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lines = linesNumber(p)
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lineNum = self.side % lines
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debugMsg(lineNum)
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newPath = []
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if self.activetab == 'tabpage':
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newPath = self.draw_tabs(p, lineNum)
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debugMsg('2')
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debugMsg(p[:lineNum])
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debugMsg('3')
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debugMsg(newPath)
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debugMsg('4')
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debugMsg( p[lineNum + 1:])
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finalPath = p[:lineNum] + newPath + p[lineNum + 1:]
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debugMsg(finalPath)
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node.set('d',str(Path(finalPath)))
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elif self.activetab == 'slotpage':
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newPath = self.draw_slots(p)
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if __name__ == '__main__':
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QuickJoint().run() |