[FIXED] GSUB type 8 lookup (Reverse chaining context single)

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majeed
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[FIXED] GSUB type 8 lookup (Reverse chaining context single)

Post by majeed »

Does Font Creator 10.1 support type 18 lookup?
when i check windows default font (Urdu Typesetting) that have type 18 lookup (Reverse chaining context single) it not working.
is there any solution?
thanks.
Bhikkhu Pesala
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Re: GSUB type 18 lookup (Reverse chaining context single)

Post by Bhikkhu Pesala »

The help file says that FontCreator 10 supports all types of substitutions.

If a feature does not work in the Preview Toolbar, open a font Test Window, select the test font in Word or whatever application you're using, and test the feature there.
My FontsReviews: MainTypeFont CreatorHelpFC15 + MT12.0 @ Win 10 64-bit build 19045.2486
majeed
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Re: GSUB type 18 lookup (Reverse chaining context single)

Post by majeed »

thanks for your reply
the lookup not showing in Opentype Designer Menu and also font not working in test window.
simply you can check windows default font (Urdu Typesetting).
thanks
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Re: GSUB type 18 lookup (Reverse chaining context single)

Post by Bhikkhu Pesala »

majeed wrote:thanks for your reply
the lookup not showing in Opentype Designer Menu and also font not working in test window.
simply you can check windows default font (Urdu Typesetting).
thanks
I don't have an Urdu font installed. OpenType features do not work in the font test window. You have to test it in Word (or whatever) after installing the font, or using the temporary file name generated by the Font Test window.
Test Font Temp.png
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Re: GSUB type 18 lookup (Reverse chaining context single)

Post by Erwin Denissen »

majeed wrote:Does Font Creator 10.1 support type 18 lookup?
when i check windows default font (Urdu Typesetting) that have type 18 lookup (Reverse chaining context single) it not working.
is there any solution?
thanks.
There are only 8 lookup types defined, and lookup type 8 is the Reverse chaining context single.

Previous versions had limited support, but the most recent version of FontCreator fully supports all OpenType layout features.

We've just noticed a bug which might cause issues when opening fonts which contain GSUB lookup type 8. We will release an update within a few weeks which should solve this issue. If you can't wait, let us know as we will send the new release on request to existing customers.
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majeed
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Re: GSUB type 8 lookup (Reverse chaining context single)

Post by majeed »

There are only 8 lookup types defined, and lookup type 8 is the Reverse chaining context single.

Previous versions had limited support, but the most recent version of FontCreator fully supports all OpenType layout features.

We've just noticed a bug which might cause issues when opening fonts which contain GSUB lookup type 8. We will release an update within a few weeks which should solve this issue. If you can't wait, let us know as we will send the new release on request to existing customers.
i opened onther font name "Pak Nastaliq" in font creator 10.1 which also have type 8 tabels, font creator was just read the lookups, the lookups are not included in the ContextualAlternates feature. i have attach the font plz check it.
Urdu Typesetting font type 8 tables are also just read, The calt feature have not included. I think this is a bug.
Attachments
Pak Nastaleeq (Beta Release).ttf
(166.36 KiB) Downloaded 554 times
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Re: GSUB type 8 lookup (Reverse chaining context single)

Post by Erwin Denissen »

It seems to work just fine with the upcoming update:
reversechainingcontext.png
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Re: GSUB type 8 lookup (Reverse chaining context single)

Post by majeed »

The current version displayed same.
but the font have more tables wich are not inculeded in calt feature. The code editor is giving me this error
Attachments
error03.png
error03.png (90.79 KiB) Viewed 10322 times
error02.png
error02.png (93.69 KiB) Viewed 10322 times
error01.png
error01.png (86.41 KiB) Viewed 10322 times
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Re: GSUB type 8 lookup (Reverse chaining context single)

Post by Erwin Denissen »

The current version we are using internally works just fine. Do let us know if you want to use this unreleased update by contacting us through our ticket system.
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Re: GSUB type 8 lookup (Reverse chaining context single)

Post by majeed »

how can i contact you by ticketing system?
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Re: GSUB type 8 lookup (Reverse chaining context single)

Post by Erwin Denissen »

We've found another issue that affected your font. It should show these lookups:
reversechainingcontext2.png
reversechainingcontext2.png (69.97 KiB) Viewed 10291 times
We've fixed that issue as well, and hope to release an update soon.

If you can't wait, do contact us through our ticket system:
http://www.high-logic.com/support/tickets/open.php
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Re: GSUB type 8 lookup (Reverse chaining context single)

Post by majeed »

does font now showing correct in test window?
like this.
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Re: GSUB type 8 lookup (Reverse chaining context single)

Post by Erwin Denissen »

I've exported two fonts and installed them. Here is some text in a Word document which comes from news about tennis:

وانسحبت التشيكية، كارولينا بليسكوفا، المصنفة رابعة، التي فازت ببطولة برزبين أمس السبت من بطولة سيدني بسبب إصابة في الفخذ. وستصعد بليسكوفا إلى المركز الخامس في قائمة التصنيف الدولية الجديدة، التي ستصدر غدا الاثنين، بعد الفوز في برزبين.

Source
tennis.png
tennis.png (39.01 KiB) Viewed 10280 times
I didn't see any difference between original and exported versions of these fonts, so it now seems to work just fine.
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Re: GSUB type 8 lookup (Reverse chaining context single)

Post by majeed »

great!
yes, it's now showing correct.
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Re: GSUB type 8 lookup (Reverse chaining context single)

Post by Erwin Denissen »

majeed wrote:great!
yes, it's now showing correct.
Thank you for confirming the issue is fixed!

And the Font Test dialog also looks great to me:
FontTestDialog.png
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