From 22da40a5e5057c2cdea2f54f1ac590ddc9d831cb Mon Sep 17 00:00:00 2001
From: Po Lu <luangruo@yahoo.com>
Date: Thu, 21 Dec 2023 13:34:54 +0800
Subject: [PATCH] Accept empty contours in glyphs
* src/sfnt.c (sfnt_decompose_glyph_1, sfnt_decompose_glyph_2):
Accept empty contours, for they are not invalid, just redundant.
---
src/sfnt.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/sfnt.c b/src/sfnt.c
index eb3add7390e..4d377ddf5e5 100644
--- a/src/sfnt.c
+++ b/src/sfnt.c
@@ -3088,7 +3088,8 @@ sfnt_decompose_glyph_1 (size_t here, size_t last,
/* The contour is empty. */
if (here == last)
- return 1;
+ /* An empty contour, if redundant, is not necessarily invalid. */
+ return 0;
/* Move the pen to the start of the contour. Apparently some fonts
have off the curve points as the start of a contour, so when that
@@ -3227,7 +3228,8 @@ sfnt_decompose_glyph_2 (size_t here, size_t last,
/* The contour is empty. */
if (here == last)
- return 1;
+ /* An empty contour, if redundant, is not necessarily invalid. */
+ return 0;
/* Move the pen to the start of the contour. Apparently some fonts
have off the curve points as the start of a contour, so when that
--
2.39.5