Note that the two are not equivalent to each other. Yes, stupid me, you right, i meant feature.fea You probably mean "features.fea", when you talk about "ist", is that right? I'm just wanted to be sure it's not a bug. You should alert the FontForge's developers about that. Yes, ist is a required file (even if there is only the default layer and no additional ones) in UFO3 format. I am not familiar with fontforge's UFO support but I'll do by best to understand what the issue is. I cant do this, whole typeface is a commercial project, I'm sorry. I believe Adobe are going to use harfbuzz in the future which should solve this issue. yeah, it always has some problems with Arabic but works in official version without need to any editor/extension/plug-in. ![]() You will need the MENA editions of Adobe products to make it work correctly. What version of Illustrator are you using? It has been a while since I've used it but I remember non-Latin support was rather lacking. No, i tested inside chrome(two above gifs). It looks like you may be attempting to test the kerning in Illustrator. So i can't test correctness of kernings by kerning pairs. i just install it, all kernings seem to work but this is what happened to my font: You can use OT Master Lite to properly inspect a font binary. it's not about Fontforge(both masters work fine in all GPOS/GSUB features), its about how fontmake handle the kernings of fontforge in ist file. i just check the kernings of one of the masters for changing ist in exported UFO. ![]() ![]() Font editors can open these binaries but they cannot accurately decompile the fonts. It sounds like you've inspected the generated ttfs/otfs in fontforge? if you have, this won't work. font works inside the web (i tested in chrome) but letters typed seperately in illustrator.(init, medi and fina not works,) how can i fix it? if it's an illustrator or other adobe products bug, how markazi-text or other arabic fonts works?.fontforge 2017 version dosen't generate this file too, but fontmake works well without error. new fontforge supports ufo3 format but when i generate vf, fontmake shows me an error like this: "ist is missing, this file is required".I'm using fontmake(1.10.0) to generate my new Arabic variable font from two masters that are designed inside fontforge(I'm use designspace and UFO), there are three issues:Īfter i check font again inside fontforge(fontforge parsing vf as a multimater font by ignores var tables) i realized it might work by deleting first pos values in ist file(fontforge doesn't generate ist for UFO, all Kernings are placed as a GPOS lookup table inside ist file):Īnd yes! it's working fine but mark positions movements have been disabled:
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