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/3476951

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: > > https://www.flickr.com/pho

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 improvemen

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

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/34769

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 Today, this approach is no longer valid if you use anti-aliasing.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 Freetype-devel@nongnu.o

Re: [ft-devel] Taming CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y* for a gamma of ~2.2/sRGB?

2015-08-07 Thread Nikolaus Waxweiler
Hello Dave, your response has motivated me to spend some time looking into linear blending :) It turns out that other people had the same idea before, I found https://bugs.freedesktop.org/show_bug.cgi?id=28549 but the discussion there seems to have died quickly and the bug reporter told me he

Re: [ft-devel] Taming CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y* for a gamma of ~2.2/sRGB?

2015-08-07 Thread Werner LEMBERG
> I looked through the demo pages he set up[1][2] and found a > demonstration of concept in the form of a hack of pixman. I made > the patch apply to the current version 0.32.6 and attached it here > (I hope it's not too big for the list?). Build the patched pixman > somewhere and test it from t

[ft-devel] Severe Type 42 bug

2015-08-07 Thread Werner LEMBERG
Just committed: [type42] Fix glyph access. This is a severe bug: We've missed one level of indirection, as described in the Type 42 specification. As a result, ftview sometimes showed incorrect glyphs for given glyph names, and even displayed `error 0x0006' (invalid argument!) in case