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#!/usr/bin/env python
# coding=utf-8
#
# Copyright (C) 2013 Public Domain
# 2018 Martin Owens <doctormo@gmail.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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
import sys
import hpgl_decoder
import inkex
from inkex.localization import inkex_gettext as _
class HpglInput(inkex.InputExtension):
def add_arguments(self, pars):
pars.add_argument(
"--resolutionX", type=float, default=1016.0, help="Resolution X (dpi)"
)
pars.add_argument(
"--resolutionY", type=float, default=1016.0, help="Resolution Y (dpi)"
)
pars.add_argument(
"--showMovements",
type=inkex.Boolean,
default=False,
help="Show Movements between paths",
)
def load(self, stream):
return b";".join(line.strip() for line in stream).decode()
def effect(self):
# interpret HPGL data
myHpglDecoder = hpgl_decoder.hpglDecoder(self.document, self.options)
self.document = None
try:
doc, warnings = myHpglDecoder.get_svg()
except Exception as inst:
if inst.args[0] == "NO_HPGL_DATA":
# issue error if no hpgl data found
inkex.errormsg(_("No HPGL data found."))
exit(1)
else:
type, value, traceback = sys.exc_info()
raise ValueError("", type, value).with_traceback(traceback)
# issue warning if unknown commands where found
if "UNKNOWN_COMMANDS" in warnings:
inkex.errormsg(
_(
"The HPGL data contained unknown (unsupported) commands, "
"there is a possibility that the drawing is missing some content."
)
)
# deliver document to inkscape
self.document = doc
if __name__ == "__main__":
HpglInput().run()
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