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Adds ability to read from config JSON file and remove subtables (thus ligatures) (WIP #186)

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Ryan L McIntyre 2018-02-18 19:02:54 -05:00
parent b977d93726
commit 9917e2dbea
1 changed files with 30 additions and 0 deletions
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30
font-patcher
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@ -22,6 +22,13 @@ import argparse
from argparse import RawTextHelpFormatter
import errno
import subprocess
import json
try:
import configparser
except ImportError:
sys.exit(projectName + ": configparser module is probably not installed. Try `pip install configparser` or equivalent")
try:
#Load the module
@ -52,6 +59,8 @@ parser.add_argument('--material', '--materialdesignicons', '--mdi', dest='materi
parser.add_argument('--weather', '--weathericons', dest='weather', action='store_true', help='Add Weather Icons (https://github.com/erikflowers/weather-icons)', default=False)
parser.add_argument('--custom', type=str, nargs='?', dest='custom', help='Specify a custom symbol font. All new glyphs will be copied, with no scaling applied.', default=False)
parser.add_argument('--postprocess', type=str, nargs='?', dest='postprocess', help='Specify a Script for Post Processing', default=False)
parser.add_argument('--removeligs', '--removeligatures', dest='removeligatures', action='store_true', help='Removes ligatures specificed in JSON configuration file', default=False)
parser.add_argument('--configfile', type=str, nargs='?', dest='configfile', help='Specify a file path for JSON configuration file (see sample)', default=False)
# https://stackoverflow.com/questions/15008758/parsing-boolean-values-with-argparse
progressbars_group_parser = parser.add_mutually_exclusive_group(required=False)
@ -64,6 +73,8 @@ parser.add_argument('-ext', '--extension', type=str, nargs='?', dest='extension'
parser.add_argument('-out', '--outputdir', type=str, nargs='?', dest='outputdir', help='The directory to output the patched font file to', default=".")
args = parser.parse_args()
config = configparser.ConfigParser()
__dir__ = os.path.dirname(os.path.abspath(__file__))
minimumVersion = 20141231
actualVersion = int(fontforge.version())
@ -140,6 +151,25 @@ if args.single:
sourceFont = fontforge.open(args.font)
# let's deal with ligatures (mostly for monospaced fonts)
if config.read(args.configfile):
print(config.sections())
if args.removeligatures:
print("Removing ligatures from configfile `Subtables` section")
ligature_subtables = json.loads(config.get("Subtables","ligatures"))
for subtable in ligature_subtables:
print("Removing subtable:", subtable)
try:
sourceFont.removeLookupSubtable(subtable)
print("Successfully removed subtable:", subtable)
except Exception:
print("Failed to remove subtable:", subtable)
elif args.removeligatures:
print("Unable to read configfile, unable to remove ligatures")
else:
print("Unable to read configfile, skipping configfile related actions")
# basically split the font name around the dash "-" to get the fontname and the style (e.g. Bold)
# this does not seem very reliable so only use the style here as a fallback if the font does not
# have an internal style defined (in sfnt_names)