import sys

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: [Program files]/inkscape/python/Lib/"

+ "\n3. Restart Inkscape."))

return

# TODO: 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: 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)

'''

# send data to plotter

if self.options.flowControl == '1':

mySerial = serial.Serial(port=self.options.serialPort, baudrate=self.options.serialBaudRate, timeout=0.1, writeTimeout=10, xonxoff=True)

elif self.options.flowControl == '2':

mySerial = serial.Serial(port=self.options.serialPort, baudrate=self.options.serialBaudRate, timeout=0.1, writeTimeout=10, dsrdtr=None, rtscts=True)

else:

mySerial = serial.Serial(port=self.options.serialPort, baudrate=self.options.serialBaudRate, timeout=0.1, writeTimeout=10)

try:

mySerial.write(self.hpgl)

except Exception as inst:

if inst.args[0] == 'Write timeout':

inkex.errormsg(_("Could not send data. Please check that your plotter is running, connected and the settings are correct."))

else:

type, value, traceback = sys.exc_info()

raise ValueError, ("", type, value), traceback

# 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()