From e6a80a40644c2702c460f9f589d0fec949671a74 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=9F=B3=E5=85=88?= <bai.bsx@alibaba-inc.com>
Date: Wed, 3 Aug 2022 17:00:05 +0800
Subject: [PATCH] Fix embedded bitmap glyph data not stripped

---
 .../com/google/typography/font/tools/sfnttool/SfntTool.java   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/java/src/com/google/typography/font/tools/sfnttool/SfntTool.java b/java/src/com/google/typography/font/tools/sfnttool/SfntTool.java
index af1f0e00b..51b4f7c9e 100644
--- a/java/src/com/google/typography/font/tools/sfnttool/SfntTool.java
+++ b/java/src/com/google/typography/font/tools/sfnttool/SfntTool.java
@@ -147,6 +147,10 @@ public void subsetFontFile(File fontFile, File outputFile, int nIters)
           removeTables.add(Tag.LTSH);
           removeTables.add(Tag.DSIG);
           removeTables.add(Tag.vhea);
+          // Embedded monochrome or grayscale bitmap glyph data
+          removeTables.add(Tag.EBDT);
+          removeTables.add(Tag.EBLC);
+          removeTables.add(Tag.EBSC);
           // AAT tables, not yet defined in sfntly Tag class
           removeTables.add(Tag.intValue(new byte[]{'m', 'o', 'r', 't'}));
           removeTables.add(Tag.intValue(new byte[]{'m', 'o', 'r', 'x'}));