72 lines
3.1 KiB
Python
72 lines
3.1 KiB
Python
"""Export only the fixed opening phrases as outlined graphic artwork.
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Requires Pillow and fonttools==4.59.2. Supply locally licensed OTFs; neither
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the fonts nor a reusable character/font table are included in the output.
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Example:
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python scripts/make-boot-lettering.py --fonts .tools/font-comparison/fonts
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"""
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import argparse
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import hashlib
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import json
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import sys
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from pathlib import Path
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ROOT = Path(__file__).resolve().parents[1]
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sys.path.insert(0, str(ROOT / '.tools/font-comparison/python'))
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from fontTools.ttLib import TTFont
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from fontTools.pens.svgPathPen import SVGPathPen
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from fontTools.pens.transformPen import TransformPen
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from PIL import ImageFont
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PHRASES = [
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('brand', 'RHINE LAB', 'DemiBold'),
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('access', 'ACCESS PERMISSION REQUIRED', 'Normal'),
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('identity', 'ID CONFIRMED : JOYCE MOORE', 'Normal'),
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('request', 'REQUEST RECEIVED', 'Normal'),
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('processing', 'START PROCESSING...', 'Normal'),
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('processingGlitch', ' SING...', 'Normal'),
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('permission', 'PERMISSION AUTHORIZED', 'Normal'),
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('welcome', 'WELCOME TO', 'Bold'),
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('company', 'RHINE LAB.LLC.', 'Bold'),
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('database', 'INTERNAL DATABASE', 'Bold'),
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]
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('--fonts', required=True, type=Path)
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args = parser.parse_args()
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art, sources = {}, {}
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for weight in ('Normal', 'DemiBold', 'Bold'):
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path = args.fonts / f'Novecentosanswide-{weight}.otf'
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font = TTFont(path)
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units = font['head'].unitsPerEm
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glyphs, cmap = font.getGlyphSet(), font.getBestCmap()
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layout = ImageFont.truetype(str(path), units)
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sources[weight] = {
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'filename': path.name,
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'sha256': hashlib.sha256(path.read_bytes()).hexdigest(),
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'version': font['name'].getDebugName(5),
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}
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for key, text, phrase_weight in PHRASES:
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if weight != phrase_weight:
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continue
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letters = []
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for i, char in enumerate(text):
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pen = SVGPathPen(glyphs)
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# A fixed graphic cell, with its baseline 0.8 em from the top.
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glyphs[cmap[ord(char)]].draw(TransformPen(pen, (1, 0, 0, -1, 0, units * .8)))
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advance = layout.getlength(char)
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if i + 1 < len(text):
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advance += layout.getlength(text[i:i+2]) - layout.getlength(char) - layout.getlength(text[i+1])
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letters.append({'width': round(advance / units, 6), 'path': pen.getCommands()})
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art[key] = {'text': text, 'weight': weight, 'units': units, 'letters': letters}
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font.close()
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target = ROOT / 'src/boot-lettering-art.json'
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target.write_text(json.dumps(art, ensure_ascii=False, separators=(',', ':')) + '\n', encoding='utf-8')
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(ROOT / 'verification/boot-lettering').mkdir(parents=True, exist_ok=True)
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(ROOT / 'verification/boot-lettering/sources.json').write_text(json.dumps(sources, indent=2) + '\n', encoding='utf-8')
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print(f'{len(art)} fixed phrases: {target.stat().st_size} bytes. No font files emitted.')
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if __name__ == '__main__':
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main()
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