Do not include ZLIB header or checksum bytes in compressed glyphs

2026-01-05 22:58:42 +11:00
parent cb3e08e73c
commit c9cfedf3d6
55 changed files with 194408 additions and 203450 deletions
--- a/lib/EpdFont/scripts/fontconvert.py
+++ b/lib/EpdFont/scripts/fontconvert.py
@@ -241,7 +241,8 @@ for i_start, i_end in intervals:

        # Build output data
        packed = bytes(pixels)
-        compressed = zlib.compress(packed)
+        # DEFLATE compressed data without zlib header/footer
+        compressed = zlib.compress(packed, wbits=-15)
        is_compressed = len(compressed) < len(packed) * 0.9
        # Use compressed data only if it's at least 10% smaller
        if is_compressed: