Do reconfigure the cascade list for Emoji font on OS X 10.9.5 (#313)
This seems to fix crash issues on 10.9.5 reported on Chrome, compare crbug.com/549610
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@ -149,9 +149,16 @@ create_ct_font (CGFontRef cg_font, CGFloat font_size)
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/* crbug.com/576941 and crbug.com/625902 and the investigation in the latter
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* bug indicate that the cascade list reconfiguration occasionally causes
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* crashes in CoreText on OS X 10.9, thus let's skip this step on older
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* operating system versions. */
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if (&CTGetCoreTextVersion != NULL && CTGetCoreTextVersion() <= kCTVersionNumber10_9)
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return ct_font;
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* operating system versions. Except for the emoji font, where _not_
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* reconfiguring the cascade list causes CoreText crashes. For details, see
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* crbug.com/549610 */
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if (&CTGetCoreTextVersion != NULL && CTGetCoreTextVersion() < kCTVersionNumber10_10) {
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CFStringRef fontName = CTFontCopyPostScriptName (ct_font);
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bool isEmojiFont = CFStringCompare (fontName, CFSTR("AppleColorEmoji"), 0) == kCFCompareEqualTo;
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CFRelease (fontName);
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if (!isEmojiFont)
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return ct_font;
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}
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CFURLRef original_url = (CFURLRef)CTFontCopyAttribute(ct_font, kCTFontURLAttribute);
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