notofonts / sinhala Goto Github PK

In the word ආර්‍ය්‍ය, the repaya glyph is currently being placed above the yansaya glyph. It would be better to place it immediately above the consonant that logically follows repaya (i.e. the full ya glyph). Perhaps this is best illustrated by the output of hb-view from the HarfBuzz master branch. Here is how the text ආර්‍ය්‍ය (0D86 aa; 0DBB 0DCA 200D repaya; 0DBA ya; 0DCA 200D 0DBA yansaya) renders in NotoSansSinhala-Regular.ttf (md5sum: b177716c7ff95c385902dba9d3b0b5ad):

Compare this with how the same text is rendered with the LKLUG Sinhala font (e.g. in Debian/Ubuntu package fonts-lklug-sinhala; md5sum: 96b2f06cf1cf4e436ec46198d4bc61f2):

According to one native speaker, both renderings are understandable but the LKLUG rendering is preferred.

Defect Report

Glyph overlap issue

The version of Noto Sans Sinhala from this repository have some glyph overlaps issue, compared to the version from https://fonts.google.com/noto/specimen/Noto+Sans+Sinhala when shaped with USE.

Font

NotoSansSinhala/unhinted/ttf/NotoSansSinhala-Regular.ttf

Where the font came from, and when

https://github.com/notofonts/sinhala/releases/tag/NotoSansSinhala-v2.005

Issue

With HarfBuzz >= 4.4.0 (where Sinhala is shaped through USE) and the font from the repo:

hb-view NotoSansSinhala/unhinted/variable-ttf/NotoSansSinhala\[wdth\,wght\].ttf "ශ්‍රී ලංකාවේ ප්‍රධාන ජාතිය"

Compared to the font from GF:

hb-view Noto_Sans_Sinhala/NotoSansSinhala-VariableFont_wdth\,wght.ttf"ශ්‍රී ලංකාවේ ප්‍රධාන ජාතිය"

DirectWrite output is similar to HarfBuzz in both cases.

By default Noto Sans Sinhala uses alternative consonant+matra forms of 'Da'

After a discussion on this for another font project, with @pushpananda, a Sinhala type designer, we think the standard form is much better for reading in smaller sizes, readers are used to the standard form. Noto could have the other form glyphs as alternate set.

Noto Sans Sinhala as dowloaded from https://www.google.com/get/noto/ has the ascender values set to 2189, which is the value for usage as UI font in Android. For use as stand alone font, which I assume the download is intended for, the ascender values in the OS/2 and hhea tables should be set to 2070.

What steps will reproduce the problem?

1. Type කීර්‍ණ  

2. See the attatched image



What version of the product are you using? On what operating system?

Noto v .0.07 

Tested on Mac
Chrom Version 35.0.1916.153
Safari Version 7.0.5 (9537.77.4)
Indesing CS 6


Please provide any additional information below.

THis is a unicode level problem to my knowledge. Has been Documented in the 
attached pdf.

Original issue reported on code.google.com by [email protected] on 16 Jul 2014 at 6:20

Attachments:

• noto_issues.jpg
• 12358-yans-rakar.pdf

Oops: චෛ