Hi, I am trying to render Arabic text using harfbuzz. The problem is that when i glue the glyphs using the x_advance most of the glyphs are glued correctly. but in some cases there is 1 or 2 pixel distance between glyphs.
I debugged through the harfbuzz code and was able to confirm that the GPOS table is present in the font face. But the GPOS data doesn't seem to be applied to the buffer. That is why when i get glyph positions only x_advance values are there but the x_offset and y_offset values are always 0. Am I missing something here? Please help. Thanks, Sami On Thu, Jul 5, 2012 at 7:43 PM, Samiullah Khawaja <[email protected]>wrote: > Thanks guys. > > I am trying to link ICU with harfbuzz... will update you guys with it. > > Regards, > Sami > > > On Thu, Jul 5, 2012 at 7:37 PM, Behdad Esfahbod <[email protected]> wrote: > >> On 07/05/2012 08:51 AM, Tom Hacohen wrote: >> > As for the unicode functions: I think they are used in harfbuzz only for >> > script detection, wide-characters and mirrored characters (probably >> more), >> >> More. Fallback mark positioning, cluster formation, normalization. If >> you are >> willing to give those all up, well, you may as well not use HarfBuzz to >> begin >> with :). Not exactly that, but close. >> >> behdad >> > > > > -- > Samiullah Khawaja > Software Engineer > email: [email protected] > voice: +(92) 0321-4184324 > -- Samiullah Khawaja Software Engineer email: [email protected] voice: +(92) 0321-4184324
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