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#!/usr/bin/env python
# coding=utf-8
'''
Copyright (C) 2013 Sebastian Wüst, sebi@timewaster.de, http://www.timewasters-place.com/
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
'''
# standard library
import sys
# local library
import gettext, hpgl_decoder, hpgl_encoder, inkex
inkex.localize()
class MyEffect(inkex.Effect):
def __init__(self):
inkex.Effect.__init__(self)
self.OptionParser.add_option('--tab', action='store', type='string', dest='tab')
self.OptionParser.add_option('--resolutionX', action='store', type='float', dest='resolutionX', default=1016.0, help='Resolution X (dpi)')
self.OptionParser.add_option('--resolutionY', action='store', type='float', dest='resolutionY', default=1016.0, help='Resolution Y (dpi)')
self.OptionParser.add_option('--pen', action='store', type='int', dest='pen', default=1, help='Pen number')
self.OptionParser.add_option('--orientation', action='store', type='string', dest='orientation', default='90', help='orientation')
self.OptionParser.add_option('--mirrorX', action='store', type='inkbool', dest='mirrorX', default='FALSE', help='Mirror X-axis')
self.OptionParser.add_option('--mirrorY', action='store', type='inkbool', dest='mirrorY', default='FALSE', help='Mirror Y-axis')
self.OptionParser.add_option('--center', action='store', type='inkbool', dest='center', default='FALSE', help='Center zero point')
self.OptionParser.add_option('--flat', action='store', type='float', dest='flat', default=1.2, help='Curve flatness')
self.OptionParser.add_option('--useOvercut', action='store', type='inkbool', dest='useOvercut', default='TRUE', help='Use overcut')
self.OptionParser.add_option('--overcut', action='store', type='float', dest='overcut', default=1.0, help='Overcut (mm)')
self.OptionParser.add_option('--useToolOffset', action='store', type='inkbool', dest='useToolOffset', default='TRUE', help='Correct tool offset')
self.OptionParser.add_option('--toolOffset', action='store', type='float', dest='toolOffset', default=0.25, help='Tool offset (mm)')
self.OptionParser.add_option('--precut', action='store', type='inkbool', dest='precut', default='TRUE', help='Use precut')
self.OptionParser.add_option('--offsetX', action='store', type='float', dest='offsetX', default=0.0, help='X offset (mm)')
self.OptionParser.add_option('--offsetY', action='store', type='float', dest='offsetY', default=0.0, help='Y offset (mm)')
self.OptionParser.add_option('--serialPort', action='store', type='string', dest='serialPort', default='COM1', help='Serial port')
self.OptionParser.add_option('--serialBaudRate', action='store', type='string', dest='serialBaudRate', default='9600', help='Serial Baud rate')
self.OptionParser.add_option('--flowControl', action='store', type='string', dest='flowControl', default='0', help='Flow control')
def effect(self):
# gracefully exit script when pySerial is missing
try:
import serial
except ImportError, e:
inkex.errormsg(_("pySerial is not installed."
+ "\n\n1. Download pySerial here: http://pypi.python.org/pypi/pyserial"
+ "\n2. Extract the \"serial\" subfolder from the zip to the following folder: [...]\\inkscape\\python\\Lib\\"
+ "\n3. Restart Inkscape."))
return
# TODO:2013-10-01:Sebastian Wüst:Maybe implement DMPL?
# get hpgl data
myHpglEncoder = hpgl_encoder.hpglEncoder(self.document.getroot(), self.options)
try:
self.hpgl = myHpglEncoder.getHpgl()
except Exception as inst:
if inst.args[0] == 'NO_PATHS':
# issue error if no paths found
inkex.errormsg(_("No paths where found. Please convert all objects you want to plot into paths."))
return 1
else:
type, value, traceback = sys.exc_info()
raise ValueError, ("", type, value), traceback
# TODO:2013-07-13:Sebastian Wüst:Get preview to work. This requires some work on the C++ side to be able to determine if it is a preview or a final run. (Remember to set <effect needs-live-preview="false"> to true)
'''
# reparse data for preview
self.options.showMovements = True
self.options.docWidth = float(inkex.unittouu(self.document.getroot().get('width')))
self.options.docHeight = float(inkex.unittouu(self.document.getroot().get('height')))
myHpglDecoder = hpgl_decoder.hpglDecoder(self.hpgl, self.options)
try:
doc, warnings = myHpglDecoder.getSvg()
# deliver document to inkscape
self.document = doc
except Exception as inst:
if inst.args[0] == 'NO_HPGL_DATA':
# do nothing
pass
else:
type, value, traceback = sys.exc_info()
raise ValueError, ("", type, value), traceback
'''
# send data to plotter
# TODO:2013-07-13:Sebastian Wüst:Slow down sending to prevent buffer overflow on plotter side (should be investigated first)
if self.options.flowControl == '1':
mySerial = serial.Serial(port=self.options.serialPort, baudrate=self.options.serialBaudRate, timeout=0.1, writeTimeout=None, rtscts=True)
elif self.options.flowControl == '2':
mySerial = serial.Serial(port=self.options.serialPort, baudrate=self.options.serialBaudRate, timeout=0.1, writeTimeout=None, dsrdtr=True)
else:
mySerial = serial.Serial(port=self.options.serialPort, baudrate=self.options.serialBaudRate, timeout=0.1, writeTimeout=None, xonxoff=True)
mySerial.write(self.hpgl)
# Read back 2 chars to avoid plotter not plotting last command (I have no idea why this is necessary)
mySerial.read(2)
mySerial.close()
if __name__ == '__main__':
# Raise recursion limit to avoid exceptions on big documents
sys.setrecursionlimit(20000);
# start extension
e = MyEffect()
e.affect()
# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99
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