Re: [ft-devel] Improved Arabic auto-hinting

2015-08-21 Thread Behdad Esfahbod
I'll try to get back to this topic soon. On 15-08-20 03:25 PM, Alexei Podtelezhnikov wrote: This effect: https://www.flickr.com/photos/behdad/34769511/ still happens in my limited testing. This looks like a text layout problem, which was traditionally outside of FreeType's

Re: [ft-devel] Improved Arabic auto-hinting

2015-08-20 Thread Werner LEMBERG
This effect: https://www.flickr.com/photos/behdad/34769511/ still happens in my limited testing. This looks like a text layout problem, which was traditionally outside of FreeType's responsibilities. Hmm. Interesting point of view. I haven't considered that yet. Doing nothing and

Re: [ft-devel] Improved Arabic auto-hinting

2015-08-20 Thread Alexei Podtelezhnikov
This effect: https://www.flickr.com/photos/behdad/34769511/ still happens in my limited testing. This looks like a text layout problem, which was traditionally outside of FreeType's responsibilities. The extra ink is a result of bitmap addition, which would be swept under the rug by strong

Re: [ft-devel] Improved Arabic auto-hinting

2015-08-19 Thread Werner LEMBERG
Folks, within the next months I'm going to add many scripts to the auto-hinter (and eventually to ttfautohint), and I will report progress here so that you can test the forthcoming changes, as usual :-) A few weeks ago Behdad pointed out a non-trivial issue in the current implementation of

Re: [ft-devel] Improved Arabic auto-hinting

2015-08-07 Thread Werner LEMBERG
I've verified that the vertical position for the joining glyphs are the same in his font... I can't reproduce any improvements so far. This effect: https://www.flickr.com/photos/behdad/34769511/ still happens in my limited testing. ... and apparently this doesn't work as

Re: [ft-devel] Improved Arabic auto-hinting

2015-08-07 Thread Werner LEMBERG
Sorry, no. I've only played around with a single font from Titus, but So, what did you verity at all? I've verified that the vertical position for the joining glyphs are the same in his font... I can't reproduce any improvements so far. This effect:

Re: [ft-devel] Improved Arabic auto-hinting

2015-08-07 Thread Khaled Hosny
On Fri, Aug 07, 2015 at 05:24:17PM +0200, Werner LEMBERG wrote: I've verified that the vertical position for the joining glyphs are the same in his font... I can't reproduce any improvements so far. This effect: https://www.flickr.com/photos/behdad/34769511/ still happens in

Re: [ft-devel] Improved Arabic auto-hinting

2015-08-07 Thread Behdad Esfahbod
On 15-08-07 04:16 PM, Werner LEMBERG wrote: Sorry, no. I've only played around with a single font from Titus, but So, what did you verity at all? I've verified that the vertical position for the joining glyphs are the same in his font... I can't reproduce any improvements so far.

Re: [ft-devel] Improved Arabic auto-hinting

2015-08-07 Thread Werner LEMBERG
Per (old?) Microsoft recommendation [1], both approaches are incorrect. Yes, very old recommendation, from 2002. Today, this approach is no longer valid if you use anti-aliasing. Werner ___ Freetype-devel mailing list

Re: [ft-devel] Improved Arabic auto-hinting

2015-08-07 Thread Behdad Esfahbod
On 15-08-07 05:55 AM, Werner LEMBERG wrote: Got any screenshots before / after? Sorry, no. I've only played around with a single font from Titus, but So, what did you verity at all? I can't reproduce any improvements so far. This effect: https://www.flickr.com/photos/behdad/34769511/

Re: [ft-devel] Improved Arabic auto-hinting

2015-08-06 Thread Behdad Esfahbod
That sounds great; Thanks Werner! Got any screenshots before / after? Cheers, behdad On 15-08-06 07:58 AM, Werner LEMBERG wrote: Folks, I've improved auto-hinter support for Arabic (both in FreeType and ttfautohint). Joining glyphs should now work much better – please test the git

[ft-devel] Improved Arabic auto-hinting

2015-08-05 Thread Werner LEMBERG
Folks, I've improved auto-hinter support for Arabic (both in FreeType and ttfautohint). Joining glyphs should now work much better – please test the git repository! Werner ___ Freetype-devel mailing list Freetype-devel@nongnu.org