tuhi/tools/test-svg.py

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#!/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright (c) 2019 Red Hat, Inc.
#
# 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, see <http://www.gnu.org/licenses/>.
#
import argparse
import os
import sys
from pathlib import Path
import yaml
import json
import logging
# This tool isn't installed, so we can assume that the tuhi module is always
# in the parent directory
sys.path.insert(0, os.path.dirname(os.path.realpath(__file__)) + '/..') # noqa
from tuhi.util import flatten
from tuhi.drawing import Drawing
from tuhi.protocol import StrokeFile
from tuhi.svg import JsonSvg
from tuhi.wacom import WacomProtocolSpark, WacomProtocolIntuosPro, WacomProtocolSlate
logging.basicConfig(format='%(asctime)s %(levelname)s: %(name)s: %(message)s',
level=logging.INFO,
datefmt='%H:%M:%S')
logger = logging.getLogger('tuhi') # set the pseudo-root logger to take advantage of the other loggers
def parse_file(filename, tablet_model, orientation):
width = tablet_model.width
height = tablet_model.height
pressure = tablet_model.pressure
orientation = orientation or tablet_model.orientation
stem = Path(filename).stem
with open(filename) as fd:
yml = yaml.load(fd, Loader=yaml.Loader)
# all recv lists that have source PEN
pendata = [d['recv'] for d in yml['data'] if 'recv' in d and 'source' in d and d['source'] == 'PEN']
data = list(flatten(pendata))
if not data:
print(f'{filename}: no pen data.')
return
f = StrokeFile(data)
# gotta convert to Drawings, then to json string, then to json, then
# to svg. ffs.
svgname = f'{stem}.svg'
jsonname = f'{stem}.json'
ps = 5 # FIXME: fetch the point size from the settings.ini
d = Drawing(svgname, (width * ps, height * ps), f.timestamp)
def normalize(p):
NORMALIZED_RANGE = 0x10000
return NORMALIZED_RANGE * p / pressure
for s in f.strokes:
stroke = d.new_stroke()
for p in s.points:
stroke.new_abs((p.x * ps, p.y * ps), normalize(p.p))
stroke.seal()
d.seal()
with open(jsonname, 'w') as fd:
fd.write(d.to_json())
from io import StringIO
js = json.load(StringIO(d.to_json()))
JsonSvg(js, orientation, d.name)
def fetch_files():
import xdg.BaseDirectory
basedir = Path(xdg.BaseDirectory.xdg_data_home, 'tuhi')
return [f for f in basedir.rglob('raw/*.yaml')]
def main(args=sys.argv):
parser = argparse.ArgumentParser(description='YAML log to SVG converter')
parser.add_argument('filename', help='The YAML file to load', nargs='?')
parser.add_argument('--verbose',
help='Show some debugging informations',
action='store_true',
default=False)
parser.add_argument('--all',
help='Convert all files in $XDG_DATA_DIR/tuhi/',
action='store_true',
default=False)
parser.add_argument('--orientation',
help='The orientation of the tablet. Default: the tablet model\'s default',
default=None,
choices=['landscape', 'portrait', 'reverse-landscape', 'reverse-portrait'])
parser.add_argument('--tablet-model',
help='Use defaults from the given tablet model',
default='intuos-pro',
choices=['intuos-pro', 'slate', 'spark'])
ns = parser.parse_args(args[1:])
if ns.verbose:
logger.setLevel(logging.DEBUG)
if not ns.all:
if ns.filename is None:
print('filename is required, or use --all', file=sys.stderr)
sys.exit(1)
files = [ns.filename]
else:
files = fetch_files()
model_map = {
'intuos-pro': WacomProtocolIntuosPro,
'slate': WacomProtocolSlate,
'spark': WacomProtocolSpark,
}
for f in files:
parse_file(f, model_map[ns.tablet_model], ns.orientation)
if __name__ == '__main__':
main()