chronodiagram/app/parse_offsets.py

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2022-09-12 11:20:07 +02:00
import json
import logging
import argparse
import sys
logger = logging.getLogger("svganim.fixer")
argParser = argparse.ArgumentParser(
description="Helper tool to fix timings after glitch"
)
argParser.add_argument(
"--input", type=str, help="Filename to run on (.json_appendable)"
)
args = argParser.parse_args()
with open(args.input, "r") as fp:
events = json.loads("[" + fp.read() + "]")
time_offset = 0
for i, event in enumerate(events):
if type(event) is list:
pass
elif event['event'] == "offset":
time_offset += event['offset']
# print a reverseable event that is ignored by this script
event = {
'event': 'added_offset',
'offset': event['offset']
}
elif event['event'] == 'added_offset':
logger.warning('ignore existing offset')
continue
elif event["event"] == "viewbox":
for key, box in enumerate(event['viewboxes']):
event['viewboxes'][key]['t'] += time_offset
elif event["event"] == "stroke":
event['points'] = [[p[0], p[1], p[2], p[3] + time_offset]
for p in event['points']]
if i>0:
sys.stdout.write(",\n")
sys.stdout.write(json.dumps(event))
if time_offset == 0:
logger.warning('\n\nNo offset defined in file, please do so by adding {"event":"offset", "offset": miliseconds} at the line from which the offset should be added.')