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[freetype2] master 5f8f44d: [sfnt] Make `tt_cmap4_char_map_linear' faste
From: |
Werner LEMBERG |
Subject: |
[freetype2] master 5f8f44d: [sfnt] Make `tt_cmap4_char_map_linear' faster (#46078). |
Date: |
Thu, 01 Oct 2015 12:16:14 +0000 |
branch: master
commit 5f8f44d218c0e3d5c7c9f26ac5d04c399e58d2e7
Author: Werner Lemberg <address@hidden>
Commit: Werner Lemberg <address@hidden>
[sfnt] Make `tt_cmap4_char_map_linear' faster (#46078).
* src/sfnt/ttcmap.c (tt_cmap4_char_map_linear): Use inner loop to
reject too large glyph indices.
---
ChangeLog | 7 +++++++
src/sfnt/ttcmap.c | 4 ++++
2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 7e3bb45..6e58029 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2015-10-01 Werner Lemberg <address@hidden>
+
+ [sfnt] Make `tt_cmap4_char_map_linear' faster (#46078).
+
+ * src/sfnt/ttcmap.c (tt_cmap4_char_map_linear): Use inner loop to
+ reject too large glyph indices.
+
2015-09-30 Alexei Podtelezhnikov <address@hidden>
[smooth] Clean up worker.
diff --git a/src/sfnt/ttcmap.c b/src/sfnt/ttcmap.c
index e80fc54..3e8ea83 100644
--- a/src/sfnt/ttcmap.c
+++ b/src/sfnt/ttcmap.c
@@ -1115,7 +1115,11 @@
gindex = TT_PEEK_USHORT( r );
if ( gindex )
+ {
gindex = (FT_UInt)( (FT_Int)gindex + delta ) & 0xFFFFU;
+ if ( gindex >= (FT_UInt)face->root.num_glyphs )
+ gindex = 0;
+ }
}
else
{
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