Posts in Category "Using Fonts"

Resurrecting L2/14-006

This article is largely a test, but also serves to start the process of resurrecting L2/14-006 (Proposal to add standardized variation sequences for nine characters) for discussion at UTC #151 in early May.

Liang Hai (梁海) brought up this document for discussion at UTC #150 last week, and while I had an opportunity to have it accepted by the UTC, to be included in Unicode Version 10.0 (June, 2017), I decided that it was prudent to instead prepare a revised proposal that is more complete, mainly because L2/14-006 was submitted and discussed prior to the first release of the Adobe-branded Source Han Sans and Google-branded Noto Sans CJK Pan-CJK typeface families. This functionality was implemented in those typeface families via the 'locl' GSUB feature, which requires the text to be language-tagged. In other words, I learned a lot since L2/14-006 was discussed, and prefer to submit a more complete proposal, even if it means waiting for Unicode Version 11.0 (June, 2018).
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The Tale of U+27BF & Adobe-Japan1-6 CID+20958

As recorded on the very first page of Adobe Tech Note #5078, Adobe-Japan1-6 was released on 2004-03-05, and one of the glyphs that was added was CID+20958. According to the Adobe-Japan1-6 ordering file, its glyph name is freedial, and is assigned to the Dingbats FDArray element for the purpose of hinting. Of course, if you look for CID+20958 in Adobe Tech Note #5078, you can find it on the bottom of page 54, immediately to the right of CID+20957 that maps from U+26BD ⚽ SOCCER BALL, though it is blank. This is simply because Adobe does not have the rights to use NTT’s trademarked FreeDial mark. CID+20958 was included in Adobe-Japan1-6 for the benefit of font developers who do have the rights to use this mark, and can thus include the glyph in their fonts.
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Tales from the “Green Book” — ehandler.ps

Please pardon the apparent non-CJK interruption in the form of this particular article, but I wanted to bring to the readership’s attention a new open source project that has a very long history: ehandler.ps.
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Combining Jamo Test #3

Unlike the first and second similarly-titled articles that I published last month, this article will focus on a minor efficiency for the combining jamo feature of the Adobe-branded Source Han Sans and Google-branded Noto Sans CJK Pan-CJK typeface families.
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Combining Jamo Test #2—Please Ignore

To (significantly) expand yesterday’s super exciting article, and in the continued interest of (stress-)testing the extent to which combining jamo works in various browsers—and when being served as a fully-functional webfont via Adobe Typekit—if you click here, you will open a 40MB HTML file that includes all 1,626,875 possible three-character combining jamo sequences (125 leading consonants, 95 vowels, and 137 trailing consonants) rendered using Adobe Clean Han and its 'ljmo' (Leading Jamo Forms), 'vjmo' (Vowel Jamo Forms), and 'tjmo' (Trailing Jamo Forms) GSUB features.

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Combining Jamo Test #1—Please Ignore

In the interest of testing the extent to which combining jamo works in various browsers—and when being served as a fully-functional webfont via Adobe Typekit—if you click here, you will open a 200K HTML file that includes all 11,875 possible two-character combining jamo sequences (125 leading consonants and 95 vowels) rendered using Adobe Clean Han and its 'ljmo' (Leading Jamo Forms), 'vjmo' (Vowel Jamo Forms), and 'tjmo' (Trailing Jamo Forms) GSUB features.

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日本にようこそ!

Again. I arrived on the afternoon of 2016-10-16.

This month provided to me yet another opportunity to visit Japan, the Land of the Rising Sun and my wife’s home country, thanks to IRG #47 (Ideographic Rapporteur Group Meeting #47) being hosted there. This trip was also the first time for me to visit an island of Japan other than Honshū (本州), specifically Shikoku (四国).
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A New Face For Adobe—Redux

As a follow on to our seven-year-old May of 2009 article of the same name, several things have happened with the Adobe Clean family that have yet to be reported, and which have CJK implications. Hence the reason for spending my Sunday morning writing this article.

In the following year, 2010, I developed and deployed a Japanese version of Adobe Clean named Ryo Clean PlusN (りょう Clean PlusN in Japanese), and then in 2015, I developed and deployed a Pan-CJK version named Adobe Clean Han (Adobe Clean 黑体 in Simplified Chinese, Adobe Clean 黑體 in Traditional Chinese, Adobe Clean 角ゴシック in Japanese, and Adobe Clean 고딕 in Korean). These typeface families are Adobe corporate fonts that are meant to be used for product literature, for serving to Adobe websites, and for use by Adobe apps. They are not meant to be used by our customers, but I suspect that the readership of this blog may be interested in some of the development details. If this interests you, please continue reading.
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August 2, 2016—A Date Which Will Live In Dignity

August 2, 2016 is the official release date for Microsoft’s Windows 10 Anniversary Update (aka Redstone or RS1). Although I do not use Windows OS, I am jumping for joy, for the benefit of those who do use this modern and world-class OS.

Thanks to our friends at Microsoft, the DirectWrite that ships with the Windows 10 Anniversary Update supports OpenType/CFF Collections (aka OTCs), such as those deployed as part of the Adobe-branded Source Han Sans and Google-branded Noto Sans CJK open source projects, to include their all-inclusive “one font to rule them all” Super OTCs.


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Introducing “Width Test”

It seems that I am on roll, having released two new open source fonts on GitHub within the past week. The previous—and brief—article that was about the LOCL Test OpenType/CFF font simply pointed to the repository. This article will be longer. I promise.
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“Bahts is [not] parts”

—Mistakes happen—

—Humans make mistakes—

—Anything made by humans has the potential to include mistakes—

The most important things about mistakes are that 1) we recognize them, lest they propagate; 2) we learn from them; 3) we make an effort not to repeat them; and 4) we try to fix them, if possible.

Some mistakes are more easily fixed than others. Mistakes that cannot be fixed must be worked around.

With that said, an interesting event of historical significance occurred in June of 2000:
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The Missing Link

The first version of the IVD (Ideographic Variation Database) was issued on 2007-12-14, meaning over eight years ago, and there have been three subsequent revisions, the latest being issued on 2014-05-16. There are currently three registered IVD collections: Adobe-Japan1, Hanyo-Denshi, and Moji_Joho. A significant number of IVSes are shared between the latter two IVD collections, 9,685 to be exact. While I cannot speak to the latter two IVD collections, the Adobe-Japan1 one is supported by hundreds of OpenType fonts via the Format 14 (Unicode Variation Sequences) ‘cmap‘ subtable. Furthermore, the number of apps and OSes that support UVSes has reached critical mass.

With all that said, there is a rather substantial missing link in terms of IVD support infrastructure: the all-important input method.
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The Experimental “PanCJKV” IVD Collection

One of my longer term goals for the open source Source Han Sans project has been to eventually register a Pan-CJK IVD (Ideographic Variation Database) collection that would allow the regional variants to display and be preserved in “plain text” environments, and I think that I may have achieved a breakthrough the other day.
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Exploring Typekit’s New Dynamic Kits

While I won’t repeat here any of the exciting details in Typekit’s recent announcement for East Asia web font support (简体中文, 繁體中文, 日本語, 한국어) that employs dynamic kits, I’d like to seize this opportunity to demonstrate some of the default behavior that this new development exposes in various browsers.
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Source Han Sans Version 1.004 Update

Due to an inadvertent error on my part, the glyphs for the vertical-only kana were incorrect in Source Han Sans Version 1.002 (and, by extension, in Version 1.003 because there were no glyph changes). Many thanks to the person who identified and reported this issue, and I’d like to convey my sincere apologies to those who were affected by it.
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Introducing Source Han Code JP

[This article was written by Masataka HATTORI (服部正貴) and translated into English by yours truly.]

Source Han Code JP(日本語メニューネーム:源ノ角ゴシック Code JP)は、自分がほしくて個人的にはじめたオープンソースプロジェクトでした。Source Han Sans(源ノ角ゴシック)と Source Code Pro をフォールバックするエディタで使うと、漢字・仮名とくらべ英数字が小さくなってしまい全体的に読みにくいと感じていました。そんなとき、友人のプログラマーから、日本語も使えてコーディングにも適したフォントはないか?と相談されて、これは自分で作ってしまえと考えました。

オリジナルの Source Code Pro は、600 ユニット字幅を採用した欧文専用のモノスペースフォントで、まぎらわしいアルファベットや数字をディスプレイで判別しやすくするために、文字のデザインが工夫されています。それを、Source Han Sans JP(源ノ角ゴシック JP)の日本語と合わせてもフィットするようにサイズやウエイトを調整しました。文字幅は 660 ユニットあたりがちょうど良いと思いました。もともと読みやすさの観点から半角欧文はすこしコンデンスすぎると感じていたので、思い切って 2/3(667 ユニット)字幅を採用することにしました。一般的な半角(500 ユニット字幅)の等幅フォントにくらべ、全角文字との正確なインデントには向きませんが、読みやすさを確保しつつ、使い方次第で様々な表現ができると思いました。Source Han Code JP は、オリジナルの Source Han Sans JP と同じ7ウェイトのファミリーですが、ウェイトを切り替えても文字列の長さは変わりません。

結果的に、日本語を含むプログラミングやマークアップなどソースコードの表示や編集に使用できる Adobe Source シリーズの派生フォントとして、Adobe Fonts GitHub サイトから公開することになりました。

服部正貴

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Source Han Sans Version 1.003 Update

Although it has been less than two months since the Source Han Sans Version 1.002 update was released, a Version 1.003 maintenance update was released on 2015-06-09 to address two particular issues. No glyphs nor Unicode mappings were added or modified.

Google’s corresponding Noto Sans CJK fonts, which continue to differ from Source Han Sans only by name, were also updated to Version 1.003 at the same time, and reflect the same changes.
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Source Han Sans Version 1.002 Update

The Source Han Sans Version 1.002 update was released on 2015-04-20, which involved turning a very large crank on something that has a very large number of moving parts. The updated region-specific subset OTFs are also available on Typekit via desktop sync.

Google’s corresponding Noto Sans CJK fonts, which differ from Source Han Sans only by name, were also updated to Version 1.002 at the same time, and reflect the same changes.
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Collections… …of the OpenType/CFF Variety

Let it be known that the “OpenType Collection” (OTC) format was born on 09/21/2011 at Pho Minh Restaurant in Cupertino, California. Present from Adobe were the following: David Lemon, Ken Lunde, Sairus Patel, and Read Roberts. Present from Apple were Antonio Cavedoni, Julio Gonzalez, Yasuo Kida, Peter Lofting, and Tony Tseung. — Adobe & Apple

The above declaration paved the way for supporting (CFF-based) OpenType Collections in Apple’s OS X (beginning from Version 10.8) and in Adobe’s applications (beginning from CS6).
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Source Han Sans: OTF, OTC, Super OTC, or Subset OTF?

Before I begin the series of articles about what went into building Source Han Sans, I think that it is worth writing a few things about actually installing and using the fonts, including how to determine which of the four deployment formats best suits your needs.
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