169 lines
6.1 KiB
Python
Executable file
169 lines
6.1 KiB
Python
Executable file
#!/usr/bin/env python3
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# coding=utf-8
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#
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# Copyright (C) 2013 <Public Domain>
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# 2018 Martin Owens <doctormo@gmail.com>
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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 2 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, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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import inkex
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from inkex.ports import Serial
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from inkex.localization import inkex_gettext as _
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import hpgl_encoder
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class Plot(inkex.OutputExtension):
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"""Generate a plot in HPGL output"""
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def add_arguments(self, pars):
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pars.add_argument("--tab")
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pars.add_argument(
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"--parallelPort", default="/dev/usb/lp2", help="Parallel port"
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)
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pars.add_argument("--serialPort", default="COM1", help="Serial port")
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pars.add_argument("--serialBaudRate", default="9600", help="Serial Baud rate")
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pars.add_argument("--serialByteSize", default="eight", help="Serial byte size")
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pars.add_argument("--serialStopBits", default="one", help="Serial stop bits")
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pars.add_argument("--serialParity", default="none", help="Serial parity")
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pars.add_argument("--serialFlowControl", default="xonxoff", help="Flow control")
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pars.add_argument(
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"--resolutionX", type=float, default=1016.0, help="Resolution X (dpi)"
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)
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pars.add_argument(
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"--resolutionY", type=float, default=1016.0, help="Resolution Y (dpi)"
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)
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pars.add_argument("--pen", type=int, default=1, help="Pen number")
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pars.add_argument("--force", type=int, default=0, help="Pen force (g)")
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pars.add_argument("--speed", type=int, default=0, help="Pen speed (cm/s)")
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pars.add_argument("--orientation", default="0", help="Rotation (Clockwise)")
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pars.add_argument(
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"--mirrorX", type=inkex.Boolean, default=False, help="Mirror X axis"
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)
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pars.add_argument(
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"--mirrorY", type=inkex.Boolean, default=False, help="Mirror Y axis"
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)
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pars.add_argument(
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"--center", type=inkex.Boolean, default=False, help="Center zero point"
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)
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pars.add_argument("--overcut", type=float, default=1.0, help="Overcut (mm)")
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pars.add_argument(
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"--precut", type=inkex.Boolean, default=True, help="Use precut"
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)
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pars.add_argument("--flat", type=float, default=1.2, help="Curve flatness")
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pars.add_argument(
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"--autoAlign", type=inkex.Boolean, default=True, help="Auto align"
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)
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pars.add_argument(
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"--toolOffset",
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type=float,
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default=0.25,
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help="Tool (Knife) offset correction (mm)",
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)
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pars.add_argument(
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"--portType",
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type=self.arg_method("to"),
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default=self.to_serial,
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dest="to_port",
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help="Port type",
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)
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pars.add_argument(
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"--commandLanguage",
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type=self.arg_method("convert"),
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default=self.convert_hpgl,
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dest="to_language",
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help="Command Language Filter",
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)
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def effect(self):
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# get hpgl data
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if self.svg.xpath("//use|//flowRoot|//text") is not None:
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self.preprocess(["flowRoot", "text"])
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encoder = hpgl_encoder.hpglEncoder(self)
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try:
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self.options.to_port(self.options.to_language(encoder.getHpgl()))
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except hpgl_encoder.NoPathError:
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raise inkex.AbortExtension(
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_("No paths where found. Please convert objects to paths.")
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)
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def convert_hpgl(self, hpgl):
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"""Convert raw HPGL to HPGL"""
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init = "IN"
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# if self.options.force > 0:
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# init += ';FS%d' % self.options.force
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# if self.options.speed > 0:
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# init += ';VS%d' % self.options.speed
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return init + hpgl + ";PU0,0;SP0;IN; "
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def convert_dmpl(self, hpgl):
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"""Convert HPGL to DMPL"""
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# ;: = Initialise plotter
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# H = Home position
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# A = Absolute pen positioning
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# Ln = Line type
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# Pn = Pen select
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# Vn = velocity
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# ECn = Coordinate addressing, 1: 0.001 inch, 5: 0.005 inch, M: 0.1 mm
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# D = Pen down
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# U = Pen up
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# Z = Reset plotter
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# n,n, = Coordinate pair
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hpgl = hpgl.replace(";", ",")
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hpgl = hpgl.replace("SP", "P")
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hpgl = hpgl.replace("PU", "U")
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hpgl = hpgl.replace("PD", "D")
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init = ";:HAL0"
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if self.options.speed > 0:
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init += "V%d" % self.options.speed
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init += "EC1"
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return init + hpgl[1:] + ",P0,U0,0,Z "
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def convert_knk(self, hpgl):
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"""Convert HPGL to KNK Plotter Language"""
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init = "ZG"
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# if self.options.force > 0:
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# init += ';FS%d' % self.options.force
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# if self.options.speed > 0:
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# init += ';VS%d' % self.options.speed
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return init + hpgl + ";SP0;PU0,0;@ "
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def to_parallel(self, hpgl):
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"""Output to hgpl to a parallel port"""
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port = open(self.options.parallelPort, "wb")
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port.write(hpgl.encode("utf8"))
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port.close()
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def to_serial(self, hpgl):
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"""Output to hgpl to a serial port"""
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with Serial(
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self.options.serialPort,
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baud=self.options.serialBaudRate,
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stop=self.options.serialStopBits,
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size=self.options.serialByteSize,
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flow=self.options.serialFlowControl,
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parity=self.options.serialParity,
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) as comx:
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comx.write(hpgl.encode("utf8"))
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comx.read(2)
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comx.close()
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def save(self, stream):
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pass
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if __name__ == "__main__":
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Plot().run()
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