Ran fix_colr_font_revision.py

about_fonts.py

@@ -5,6 +5,13 @@ from pathlib import Path
 import sys
 
 
+NAME_ID_VERSION = 5
+
+
+def name(font, name_id):
+    return ",".join(n.toUnicode() for n in font["name"].names if n.isUnicode() and n.nameID == name_id)
+
+
 def main():
     font_files = sorted(p for p in (Path(__file__).parent / "fonts").iterdir() if p.suffix == ".ttf")
     max_name_len = max(len(p.name) for p in font_files)
@@ -19,6 +26,8 @@ def main():
             font_type.append("COLR")
         if "meta" in font and "Emji" in font["meta"].data:
             font_type.append("EmojiCompat")
+        font_type.append(f"fontRevision:{font['head'].fontRevision:.3f}")
+        font_type.append(name(font, NAME_ID_VERSION))
         font_type = ", ".join(font_type)
 
         print(f"{font_file.name:{max_name_len + 1}} {font_type}")

fix_colr_font_revision.py

@@ -0,0 +1,36 @@
+"""Set COLRv1 fontRevision from CBDT.
+
+Used for bugfix, should fix to set properly on build instead.
+"""
+
+from fontTools import ttLib
+from pathlib import Path
+import sys
+
+
+NAME_ID_VERSION = 5
+
+
+def name(font, name_id):
+    return ",".join(n.toUnicode() for n in font["name"].names if n.isUnicode() and n.nameID == name_id)
+
+
+def main():
+    colr_font_files = sorted(p for p in (Path(__file__).parent / "fonts").iterdir() if p.name.startswith("Noto-COLRv1"))
+
+    for colr_font_file in colr_font_files:
+        cbdt_font_file = colr_font_file.with_stem(colr_font_file.stem.replace("Noto-COLRv1", "NotoColorEmoji"))
+
+        colr_font = ttLib.TTFont(colr_font_file)
+        cbdt_font = ttLib.TTFont(cbdt_font_file)
+
+        assert "CBDT" in cbdt_font
+        assert "COLR" in colr_font
+
+        colr_font["head"].fontRevision = cbdt_font["head"].fontRevision
+
+        colr_font.save(colr_font_file)
+
+
+if __name__ == '__main__':
+  main()