159 lines
9.4 KiB
Python
159 lines
9.4 KiB
Python
#!/usr/bin/env python3
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"""
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A Inkscape extension to generate the pieces for a leather case that can be laser cut.
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The leather case is intended to be used with up to 5 mobile phones.
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"""
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import inkex
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import math
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from lxml import etree
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class LeatherCase(inkex.EffectExtension):
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height = -1.0
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def add_arguments(self, pars):
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pars.add_argument('-w', '--width', type=float, default=80, help='Width (mm)')
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pars.add_argument('-x', '--height', type=float, default=165, help='Height (mm)')
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pars.add_argument('-d', '--depth', type=float, default=10, help='Depth (mm)')
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pars.add_argument('-H', '--heightMargin', type=float, default=10, help='Height Margin (mm)')
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pars.add_argument('-r', '--cornerRoundness', type=float, default=10, help='Corner Roundness (mm)')
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pars.add_argument('-i', '--divisions', type=int, default=2, help='Divisions')
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pars.add_argument('-a', '--claspAmount', default=1, help='Number of Clasps')
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pars.add_argument('-p', '--extraTongueLength', type=float, default=10, help='Extra Tongue Length (mm)')
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pars.add_argument('-t', '--tipTongueLength', type=float,default=40, help='Tip Tongue Length (mm)')
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pars.add_argument('-e', '--extraEdgeWidth', type=float, default=10, help='Extra Edge Width (mm)')
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pars.add_argument('-o', '--makeHoles', default="true", help='Make Holes')
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pars.add_argument('-g', '--groupObjects', default="false", help='Group Objects')
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def effect(self):
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width = self.options.width
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height = self.options.height
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depth = self.options.depth
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heightMargin = self.options.heightMargin
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cornerRoundness = self.options.cornerRoundness
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divisions = self.options.divisions
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oneClasp = self.options.claspAmount == "1"
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extraTongueLength = self.options.extraTongueLength
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tipTongueLength = self.options.tipTongueLength
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extraEdgeWidth = self.options.extraEdgeWidth
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makeHoles = self.options.makeHoles == "true"
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group = self.options.groupObjects == "true"
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parent = self.svg.get_current_layer()
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if group:
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parent = etree.SubElement(parent, 'g')
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line_style = { 'stroke-width': self.svg.unittouu(str(0.1) + "mm"), 'stroke':'#FF0000', 'fill':'none'}
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verticalLine1Size = width - cornerRoundness - 1
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hole = ''
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if makeHoles:
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if oneClasp:
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hole = ' m ' + str((height + heightMargin * 2) / 2) + ',' + str(extraTongueLength + 13) + ' c 1,0 2,1 2,2 0,1 -1,2 -2,2 -1,0 -2,-1 -2,-2 0,-1 1,-2 2,-2'
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else:
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hole = (' m ' + str((height + heightMargin * 2) / 2 - 55) + ',' + str(extraTongueLength + 13) + ' c 1,0 2,1 2,2 0,1 -1,2 -2,2 -1,0 -2,-1 -2,-2 0,-1 1,-2 2,-2' +
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' m 110,0' + ' c 1,0 2,1 2,2 0,1 -1,2 -2,2 -1,0 -2,-1 -2,-2 0,-1 1,-2 2,-2'
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)
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firstPiece_attribs = {'style' : str(inkex.Style(line_style)),
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'd' : 'M 0,0 l 0,' + str(verticalLine1Size) +
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' c 0,' + str(cornerRoundness / 2.0) + ' ' + str(cornerRoundness / 2) + ',' + str(cornerRoundness) + ' ' + str(cornerRoundness) + ',' + str(cornerRoundness) +
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' l ' + str(height + heightMargin * 2 - cornerRoundness * 2) + ',0' +
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' c ' + str(cornerRoundness / 2) + ',0 ' + str(cornerRoundness) + ',' + str(-cornerRoundness / 2) + ' ' + str(cornerRoundness) + ',' + str(-cornerRoundness) +
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' l 0,' + str(-verticalLine1Size) + ' Z' +
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hole
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}
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firstPiece = etree.SubElement(parent, inkex.addNS('path','svg'), firstPiece_attribs )
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# Intermediate pieces
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for x in range(1, divisions):
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intermediatePiece_attribs = {'style' : str(inkex.Style(line_style)),
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'd' : 'M ' + str(10 + x*5) + ',' + str(10 + x*5) + ' l 0,' + str(verticalLine1Size) +
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' c 0,' + str(cornerRoundness / 2.0) + ' ' + str(cornerRoundness / 2) + ',' + str(cornerRoundness) + ' ' + str(cornerRoundness) + ',' + str(cornerRoundness) +
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' l ' + str(height + heightMargin * 2 - cornerRoundness * 2) + ',0' +
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' c ' + str(cornerRoundness / 2) + ',0 ' + str(cornerRoundness) + ',' + str(-cornerRoundness / 2) + ' ' + str(cornerRoundness) + ',' + str(-cornerRoundness) +
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' l 0,' + str(-verticalLine1Size) + ' Z'
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}
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intermediatePiece = etree.SubElement(parent, inkex.addNS('path','svg'), intermediatePiece_attribs )
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line_style2 = { 'stroke-width': self.svg.unittouu(str(0.1) + "mm"), 'stroke':'#00FF00', 'fill':'none'}
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plainTongueLength = depth * divisions + extraTongueLength - 1 + (divisions - 1)
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totalWidth = height + heightMargin * 2;
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hole = ''
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if makeHoles:
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if oneClasp:
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hole = ' m 30,' + str(-50 -(plainTongueLength + tipTongueLength - 10)) + ' c 1,0 2,1 2,2 0,1 -1,2 -2,2 -1,0 -2,-1 -2,-2 0,-1 1,-2 2,-2'
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else:
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hole = (' m -25,' + str(-50 -(plainTongueLength + tipTongueLength - 10)) + ' c 1,0 2,1 2,2 0,1 -1,2 -2,2 -1,0 -2,-1 -2,-2 0,-1 1,-2 2,-2' +
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' m 110,0' + ' c 1,0 2,1 2,2 0,1 -1,2 -2,2 -1,0 -2,-1 -2,-2 0,-1 1,-2 2,-2')
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if oneClasp:
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tongue = (' 0,' + str(-plainTongueLength) +
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' c 0,' + str(-tipTongueLength / 2) + ' ' + str(-totalWidth / 4) + ',' + str(-tipTongueLength) + ' ' + str(-totalWidth / 2) + ',' + str(-tipTongueLength) +
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' ' + str(-totalWidth / 4) + ',0 ' + str(-totalWidth / 2) + ',' + str(tipTongueLength / 2) + ' ' + str(-totalWidth / 2) + ',' + str(tipTongueLength) +
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' l 0,' + str(plainTongueLength)
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)
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else:
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tongue = (' 0,' + str(-(plainTongueLength + tipTongueLength - cornerRoundness)) +
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' c 0,' + str(-cornerRoundness / 2) + ' ' + str(-cornerRoundness / 2) + ',' + str(-cornerRoundness) + ' ' + str(-cornerRoundness) + ',' + str(-cornerRoundness) +
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' l ' + str(-(height + heightMargin * 2 - cornerRoundness * 2)) + ',0' +
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' c ' + str(-cornerRoundness / 2) + ',0 ' + str(-cornerRoundness) + ',' + str(cornerRoundness / 2) + ' ' + str(-cornerRoundness) + ',' + str(cornerRoundness) +
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' l 0,' + str(plainTongueLength + tipTongueLength - cornerRoundness)
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)
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secondPiece_attribs = {'style' : str(inkex.Style(line_style2)),
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'd' : 'M -5,-4 l 0,' + str(verticalLine1Size - 1) +
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' c 0,' + str(cornerRoundness / 2.0) + ' ' + str(cornerRoundness / 2) + ',' + str(cornerRoundness) + ' ' + str(cornerRoundness) + ',' + str(cornerRoundness) +
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' l ' + str(height + heightMargin * 2 - cornerRoundness * 2) + ',0' +
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' c ' + str(cornerRoundness / 2) + ',0 ' + str(cornerRoundness) + ',' + str(-cornerRoundness / 2) + ' ' + str(cornerRoundness) + ',' + str(-cornerRoundness) +
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' l 0,' + str(-(verticalLine1Size-1)) +
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' -1,-1' + ' 1,-1' +
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tongue +
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' 1,1 -1,1 m ' +
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str(totalWidth / 2 - 30) +',-1 c 0.25,0 0.5,0.25 0.5,0.5 0,0.25 -0.25,0.5 -0.5,0.5 -0.25,0 -0.5,-0.25 -0.5,-0.5 0,-0.25 0.25,-0.5 0.5,-0.5 ' +
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'm 60,0 c 0.25,0 0.5,0.25 0.5,0.5 0,0.25 -0.25,0.5 -0.5,0.5 -0.25,0 -0.5,-0.25 -0.5,-0.5 0,-0.25 0.25,-0.5 0.5,-0.5' +
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'm 0,50 c 0.25,0 0.5,0.25 0.5,0.5 0,0.25 -0.25,0.5 -0.5,0.5 -0.25,0 -0.5,-0.25 -0.5,-0.5 0,-0.25 0.25,-0.5 0.5,-0.5'
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'm -60,0 c 0.25,0 0.5,0.25 0.5,0.5 0,0.25 -0.25,0.5 -0.5,0.5 -0.25,0 -0.5,-0.25 -0.5,-0.5 0,-0.25 0.25,-0.5 0.5,-0.5' +
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hole
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}
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secondPiece = etree.SubElement(parent, inkex.addNS('path','svg'), secondPiece_attribs )
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line_style3 = { 'stroke-width': self.svg.unittouu(str(0.1) + "mm"), 'stroke':'#0000FF', 'fill':'none'}
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edgeLength = (width - cornerRoundness) * 2 + height + heightMargin * 2 - cornerRoundness * 2 + 3.14159 * cornerRoundness
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edgeWidth = depth * divisions + divisions - 1 + extraEdgeWidth
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thirdPiece_attribs = {'style' : str(inkex.Style(line_style3)),
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'd' : 'M 5,5 l 0,' + str(edgeWidth) +
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' ' + str(edgeLength) + ',0' +
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' 0,' + str(-edgeWidth) + ' Z'
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}
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thirdPiece = etree.SubElement(parent, inkex.addNS('path','svg'), thirdPiece_attribs )
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line_style4 = { 'stroke-width': self.svg.unittouu(str(0.1) + "mm"), 'stroke':'#FF00FF', 'fill':'none'}
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edgeLength = 70
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edgeWidth = 60
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fourthPiece_attribs = {'style' : str(inkex.Style(line_style4)),
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'd' : 'M 10,10 l 0,' + str(edgeWidth) +
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' ' + str(edgeLength) + ',0' +
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' 0,' + str(-edgeWidth) + ' Z'
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}
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fourthPiece = etree.SubElement(parent, inkex.addNS('path','svg'), fourthPiece_attribs )
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if __name__ == '__main__':
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LeatherCase().run() |