[cairo-bugs] [Bug 84324] cairo quartz font broken in iOS 8 / CGFontGetGlyphPath deprecated in MacOS 10.10 yosemite

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84324

--- Comment #9 from rkdgu+a44zyz19a8hys at sharklasers.com ---
There seems to be a problem with this patch (at least as far as iOS goes).  It
works on ipad 3 but crashes on ipad 4 and later.

I am investigating further, but see attached iOS test project PDFCrashTest.zip
if interested (includes cairo and pixman and renders and displays a PDF).  It
works on ipad 3 and crashes on ipad 4 (both running ios 8.1.1).

It crashes here (only after drawing text and calling cairo_show_page):

ctFont = CTFontCreateWithGraphicsFontPtr (font_face->cgFont);

with EXC_BAD_ACCESS.  The call stack looks like:

#0    0x234bc750 in CTFontDescriptorCopyAttribute ()
#1    0x234af26c in TFont::SetExtras(__CTFontDescriptor const*) ()
#2    0x234aed12 in TFont::TFont(CGFont*, float, CGAffineTransform const*,
__CTFontDescriptor const*) ()
#3    0x234aec06 in CTFontCreateWithGraphicsFont ()
#4    0x000f2c40 in _cairo_quartz_init_glyph_path at
/Users/rkdgu/PDFCrashTest/PDFCrashTest/cairo/cairo-quartz-font.c:575
#5    0x000f2736 in _cairo_quartz_scaled_glyph_init at
/Users/rkdgu/PDFCrashTest/PDFCrashTest/cairo/cairo-quartz-font.c:748
#6    0x00128044 in _cairo_scaled_glyph_lookup at
/Users/rkdgu/PDFCrashTest/PDFCrashTest/cairo/cairo-scaled-font.c:3004
...
#20    0x0023cd28 in cairo_show_page at
/Users/rkdgu/PDFCrashTest/PDFCrashTest/cairo/cairo.c:2284

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