src/hb-coretext.cc | 8 ++++++++
1 file changed, 8 insertions(+)
New commits:
commit 489acf6c3180d3726158864fa0e1adeea3c23fae
Author: Behdad Esfahbod <[email protected]>
Date: Fri Jul 22 17:41:43 2016 -0700
[coretext] "Fix" crashes on CoreText < 10.10
Fixes https://github.com/behdad/harfbuzz/issues/297
diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index f4d9716..c505373 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -145,6 +145,14 @@ create_ct_font (CGFontRef cg_font, CGFloat font_size)
DEBUG_MSG (CORETEXT, cg_font, "Font CTFontCreateWithGraphicsFont()
failed");
return NULL;
}
+
+ /* crbug.com/576941 and crbug.com/625902 and the investigation in the latter
+ * bug indicate that the cascade list reconfiguration occasionally causes
+ * crashes in CoreText on OS X 10.9, thus let's skip this step on older
+ * operating system versions. */
+ if (&CTGetCoreTextVersion != NULL && CTGetCoreTextVersion() <
kCTVersionNumber10_10)
+ return ct_font;
+
CFURLRef original_url = (CFURLRef)CTFontCopyAttribute(ct_font,
kCTFontURLAttribute);
/* Create font copy with cascade list that has LastResort first; this speeds
up CoreText
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