[HarfBuzz] Harfbuzz Sinhala (si) script support status update

[Harshula]

On Sun, 2012-07-22 at 23:31 -0400, Behdad Esfahbod wrote:
> On 07/22/2012 10:33 PM, Harshula wrote:
> > Hi,
> > 
> > 1) I did a quick test of medium complexity Sinhala shaping and harfbuzz
> > segfaults. Harfbuzz has definitely gone backwards for Sinhala shaping
> > following the latest commits and is unusable.
> > 
> > string: ර්‍කෙ
> > encoding: <Ra,Al,ZWJ,Ka,kombuva>
> > 
> > kombuva = U+0DD9
> 
> I can't reproduce the segfault using lklug font or FreeSerif.  More info
> needed.  Also, can you confirm that you have HarfBuzz with glib compiled in?

ERROR:helper-cairo.cc:439:void
helper_cairo_line_from_buffer(helper_cairo_line_t*, hb_buffer_t*, const
char*, unsigned int, double, hb_bool_t): assertion failed:
(hb_glyph[i].cluster > hb_glyph[i-1].cluster)

$ ldd ./src/.libs/libharfbuzz.so | grep glib
libglib-2.0.so.0 => /lib/x86_64-linux-gnu/libglib-2.0.so.0
(0x00007f726ed54000)

cya,
#