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Infer ligature font weight from output name; update FiraCode fonts
This updates the FiraCode OTFs to version 1.204, and makes ligaturize.py infer which one to use based on the name of the output file; e.g. if you name your output `Ligaturized-Bold` or `Ligaturized-BoldItalic`, it will use `FiraCode-Bold.otf` as the ligature source. It also lets the user explicitly specify the ligature source as a third command line argument if the inference is wrong (which opens the door to using non-Fira Code ligatures, too).
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fira/FiraCode-Bold.otf
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fira/FiraCode-Bold.otf
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fira/FiraCode-Light.otf
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fira/FiraCode-Light.otf
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fira/FiraCode-Medium.otf
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fira/FiraCode-Medium.otf
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fira/FiraCode-Regular.otf
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fira/FiraCode-Regular.otf
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fira/FiraCode-Retina.otf
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fira/FiraCode-Retina.otf
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@ -1,9 +1,11 @@
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#!/usr/bin/env python
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#
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# usage: fontforge -lang=py ligaturize.py <input file> <output file>
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# usage: fontforge -lang=py ligaturize.py <input file> <output file> [ligature file]
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#
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# It will copy input to output, updating the embedded font name and splicing
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# in the ligatures from FiraCode-Medium.otf (which must be in $PWD).
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# in the ligatures from FiraCode-Medium.otf (which must be in $PWD). If the
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# ligature file is not specified, it will try to guess an appropriate Fira Code
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# OTF based on the name of the output file.
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#
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# See ligatures.py for a list of all the ligatures that will be copied.
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@ -19,9 +21,21 @@ COPYRIGHT = '''
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Programming ligatures added by Ilya Skriblovsky from FiraCode
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FiraCode Copyright (c) 2015 by Nikita Prokopov'''
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config = {
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'firacode_ttf': 'FiraCode-Medium.otf',
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}
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def get_ligature_source(fontname):
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if len(sys.argv) > 3:
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# User explicitly told us which source to use.
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return sys.argv[3]
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for weight in ['Bold', 'Retina', 'Medium', 'Regular', 'Light']:
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if fontname.endswith('-' + weight):
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# Exact match for one of the Fira Code weights
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return 'fira/FiraCode-%s.otf' % weight
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# No exact match. Guess that we want 'Bold' if the font name has 'Bold' in
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# it, and 'Regular' otherwise.
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if 'Bold' in fontname:
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return 'fira/FiraCode-Bold.otf'
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return 'fira/FiraCode-Regular.otf'
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def get_output_font_details(fontpath):
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fontname = path.splitext(path.basename(fontpath))[0]
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@ -140,7 +154,9 @@ output_font_path = sys.argv[2]
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output_font = get_output_font_details(output_font_path)
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font = fontforge.open(input_font_path)
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firacode = fontforge.open(config['firacode_ttf'])
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ligature_font_path = get_ligature_source(output_font['fontname'])
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print('Reading ligatures from %s' % ligature_font_path)
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firacode = fontforge.open(ligature_font_path)
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firacode.em = font.em
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creator = LigatureCreator(font, firacode)
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