mirror of
https://github.com/zhw2590582/ArtPlayer.git
synced 2026-10-08 19:06:15 -08:00
72 lines
3.4 KiB
Python
72 lines
3.4 KiB
Python
"""Read-only font reference comparison; matching outlines are not byte identity."""
|
|
|
|
import argparse
|
|
import hashlib
|
|
import importlib.metadata
|
|
import json
|
|
from pathlib import Path
|
|
|
|
from fontTools.pens.recordingPen import RecordingPen
|
|
from fontTools.ttLib import TTFont
|
|
|
|
|
|
def compare(local, reference):
|
|
with TTFont(local, recalcTimestamp=False) as first, TTFont(reference, recalcTimestamp=False) as second:
|
|
equal, different = [], []
|
|
for key in sorted((set(first.keys()) | set(second.keys())) - {"GlyphOrder"}):
|
|
matches = key in first and key in second and first.getTableData(key) == second.getTableData(key)
|
|
(equal if matches else different).append(key)
|
|
|
|
def outlines(font):
|
|
result = {}
|
|
glyphs = font.getGlyphSet()
|
|
for name in font.getGlyphOrder():
|
|
pen = RecordingPen()
|
|
glyphs[name].draw(pen)
|
|
result[name] = pen.value
|
|
return hashlib.sha256(json.dumps(result, sort_keys=True).encode()).hexdigest()
|
|
|
|
return {
|
|
"localSha256": hashlib.sha256(local.read_bytes()).hexdigest(),
|
|
"referenceSha256": hashlib.sha256(reference.read_bytes()).hexdigest(),
|
|
"sameTables": equal,
|
|
"differentTables": different,
|
|
"glyphCounts": [len(first.getGlyphOrder()), len(second.getGlyphOrder())],
|
|
"glyphOrderEqual": first.getGlyphOrder() == second.getGlyphOrder(),
|
|
"outlineHashes": [outlines(first), outlines(second)],
|
|
"cmapEqual": first.getBestCmap() == second.getBestCmap(),
|
|
"metricsEqual": first["hmtx"].metrics == second["hmtx"].metrics,
|
|
}
|
|
|
|
|
|
if __name__ == "__main__":
|
|
parser = argparse.ArgumentParser()
|
|
parser.add_argument("reference_directory", type=Path)
|
|
parser.add_argument("--check", action="store_true")
|
|
args = parser.parse_args()
|
|
assert importlib.metadata.version("fonttools") == "4.60.1"
|
|
assert importlib.metadata.version("brotli") == "1.1.0"
|
|
root = Path(__file__).resolve().parents[2]
|
|
pairs = [
|
|
("liberation", "default.woff2", "liberation.ttf"),
|
|
("averia-sans", "fonts/Averia Sans Libre Light.ttf", "averia-sans.ttf"),
|
|
("lato", "fonts/Lato-Regular.ttf", "lato.ttf"),
|
|
("chawp", "fonts/chawp.otf", "chawp.otf"),
|
|
("averia-serif-negative", "fonts/Averia Serif Simple Light.ttf", "averia-serif.ttf"),
|
|
]
|
|
record = json.loads((root / "refactor/baselines/site-font-notices-provenance.json").read_text(encoding="utf-8"))
|
|
expected = {source["id"]: source["comparison"] for source in record["sources"]}
|
|
expected["averia-serif-negative"] = {key: value for key, value in record["negativeComparison"].items() if key != "reference"}
|
|
result = {}
|
|
for name, local, reference in pairs:
|
|
local_path = root / "docs/assets/jassub" / local
|
|
reference_path = args.reference_directory / reference
|
|
assert hashlib.sha256(local_path.read_bytes()).hexdigest() == expected[name]["localSha256"]
|
|
assert hashlib.sha256(reference_path.read_bytes()).hexdigest() == expected[name]["referenceSha256"]
|
|
result[name] = compare(local_path, reference_path)
|
|
if args.check:
|
|
assert result == expected, "Font reference observations changed"
|
|
print("Verified four font references and the distinct Serif Simple negative comparison")
|
|
else:
|
|
print(json.dumps(result, indent=2))
|