Hello Ahmed, Meor might be able to provide some insight for you. He has been experimenting this feature with some rendering engines and I think Pango is one of them too. Meor, did you get the seperate coloring to work in Pango also or was it just uniscribe?
Thanks, Mete ---------- Original Message ---------------------------------- From: Ahmed El-Helw <[EMAIL PROTECTED]> Reply-To: Development Discussions <[email protected]> Date: Tue, 9 Aug 2005 21:44:56 -0400 >alsalam 3ala man itaba3 al huda - >hope everyone is doing well. i have been stuck for a while on this >issue >and was wondering if anyone could suggest how to get this to work. i am >trying to write a tajweed highlighting engine... in order to do so, i >need to >be able to color certain letters in an ayah a different color. > >the problem i am having is getting this to properly render in gtk. >i've tried two different approaches: > >1. making two identical TextTags with nothing differing except the >colors, >2. playing around with pango_parse_markup() and, for instance, >GtkLabels to > see if i could get anything to work. > >with the first, i had total failure - the letters would come out >separated [ie the shaping >would break]. > >with the second, it depends on what i did - if, for instance, i just >did color span of the >first half the string to be blue and that's it, it appeared to >perhaps work fine [i say it >"appeared to work fine" b/c at that size, its hard to really tell >whether they are two >separate letters or are connected to each other, but they seem >connected but am not >totally sure on that] -- but when i tried making the font larger, you >could clearly see shaping broken. > >i tried to email owen and ask him, and his response a few months ago >was that it was >working as far as he knew and if i could write a c demo showing it to >submit a bug to >bugzilla - i've done so recently and emailed him, but i take it he's >really busy and so >hasn't gotten a chance to write back. in addition, ppl on the gtk- >app-devel list didn't >answer either. > >if anyone can give me any sort of tip would be greatly appreciated. >thanks, >-ahmed > > -- Mete Kural Touchtone Corporation 714-755-2810 --
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