[Webkit-unassigned] [Bug 186010] REGRESSION (Mountain Lion-Mavericks): Incorrect font used to render decomposed grapheme cluster in some cases

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=186010

--- Comment #4 from mitz at webkit.org ---
Results of CTLineCreateWithUniCharProvider:

Mountain Lion:

CTLine: run count = 1, string range = (0, 2), width = 12.8975, A/D/L = 47.2524/9.86816/0, glyph count = 1
{

CTRun: string range = (0, 2), string = "i\u0302", attributes = <CFBasicHash 0x7fcdca035400 [0x7fff77f34110]>{type = mutable dict, count = 3,
entries =>
        0 : <CFString 0x7fff76938810 [0x7fff77f34110]>{contents = "NSKern"} = <CFNumber 0x7fcdca0531b0 [0x7fff77f34110]>{value = +0.0, type = kCFNumberFloat32Type}
        1 : <CFString 0x7fff76938830 [0x7fff77f34110]>{contents = "NSLigature"} = <CFNumber 0x87 [0x7fff77f34110]>{value = +0, type = kCFNumberSInt32Type}
        2 : <CFString 0x7fff769387f0 [0x7fff77f34110]>{contents = "NSFont"} = CTFont <name: Verdana, size: 47.000000, matrix: 0x0>
CTFontDescriptor <attributes: <CFBasicHash 0x7fcdca0257a0 [0x7fff77f34110]>{type = mutable dict, count = 1,
entries =>
        2 : <CFString 0x7fff76939ef0 [0x7fff77f34110]>{contents = "NSFontNameAttribute"} = <CFString 0x7fff77f182a0 [0x7fff77f34110]>{contents = "Verdana"}
}
>
}

}

Mavericks:

<CTLine: 0x7fd1b3c6f0d0>{run count = 1, string range = (0, 2), width = 56.2256, A/D/L = 40.8413/12.25/0.430664, glyph count = 1, runs = (

<CTRun: 0x7fd1b3c5bfd0>{string range = (0, 2), string = "i\u0302", attributes = <CFBasicHash 0x7fd1b3d54830 [0x7fff7c97aeb0]>{type = mutable dict, count = 3,
entries =>
        0 : <CFString 0x7fff7b915b30 [0x7fff7c97aeb0]>{contents = "NSKern"} = <CFNumber 0x7fd1b3c46160 [0x7fff7c97aeb0]>{value = +0.0, type = kCFNumberFloat32Type}
        1 : <CFString 0x7fff7b915b50 [0x7fff7c97aeb0]>{contents = "NSLigature"} = <CFNumber 0x27 [0x7fff7c97aeb0]>{value = +0, type = kCFNumberSInt32Type}
        2 : <CFString 0x7fff7b915b10 [0x7fff7c97aeb0]>{contents = "NSFont"} = <CTFont: 0x7fd1b3c61a20>{name = LastResort, size = 49.000000, matrix = 0x0, descriptor = <CTFontDescriptor: 0x7fd1b3d36330>{attributes = <CFBasicHash 0x7fd1b3d37520 [0x7fff7c97aeb0]>{type = mutable dict, count = 1,
entries =>
        2 : <CFString 0x7fff7b917390 [0x7fff7c97aeb0]>{contents = "NSFontNameAttribute"} = <CFString 0x7fff7bd5c150 [0x7fff7c97aeb0]>{contents = "LastResort"}
}
>}}
}
}

)
}

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