Commit node_modules

paige/node_modules/katex/src/fonts/generate_fonts.py

@@ -0,0 +1,58 @@
+#!/usr/bin/env python3
+
+import sys
+import os
+import json
+
+from fontTools.ttLib import TTFont, sfnt
+from fontTools.misc.timeTools import timestampNow
+sfnt.USE_ZOPFLI = True
+
+if len(sys.argv) < 2:
+    print("Usage: %s <font file>" % sys.argv[0])
+    sys.exit(1)
+
+font_file = sys.argv[1]
+font_name = os.path.splitext(os.path.basename(font_file))[0]
+
+
+font = TTFont(font_file, recalcBBoxes=False, recalcTimestamp=False)
+
+# fix timestamp to the epoch
+font['head'].created = 0
+font['head'].modified = 0
+
+# remove fontforge timestamps
+if 'FFTM' in font:
+    del font['FFTM']
+
+# remove redundant GDEF table
+if 'GDEF' in font:
+    del font['GDEF']
+
+# remove Macintosh table
+# https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6cmap.html
+font['name'].names = [record for record in font['name'].names if record.platformID != 1]
+font['cmap'].tables = [table for table in font['cmap'].tables if table.platformID != 1]
+
+# fix OS/2 and hhea metrics
+glyf = font['glyf']
+ascent = int(max(glyf[c].yMax for c in font.getGlyphOrder() if hasattr(glyf[c], "yMax")))
+descent = -int(min(glyf[c].yMin for c in font.getGlyphOrder() if hasattr(glyf[c], "yMin")))
+
+font['OS/2'].usWinAscent = ascent
+font['OS/2'].usWinDescent = descent
+
+font['hhea'].ascent = ascent
+font['hhea'].descent = -descent
+
+# save TTF
+font.save(font_file, reorderTables=None)
+
+# save WOFF
+font.flavor = 'woff'
+font.save(os.path.join('woff', font_name + '.woff'), reorderTables=None)
+
+# save WOFF2
+font.flavor = 'woff2'
+font.save(os.path.join('woff2', font_name + '.woff2'), reorderTables=None)