Iwata Seichou font family

好きなことばのカタチを造る

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Iwata Seichou


Select technical format and
language support of the font.
world-map map Japanese map

Pro / OT CFF

supports at least

33 languages.















Technical details
OpenType outline flavour:
CFF - PostScript-Outlines
Technical font names:
File name: IwaSeiFuPro-Bd.otf
Windows menu name: Iwata SeichouF Pro B
PostScript name: , IwaSeiFuPro-Bd
PostScript full name: , Iwata SeichouF Pro B
Catalog number:
167430008
Characters:
15444

Features

Languages

Denominators

Tag: dnom

Function: Replaces selected figures which follow a slash with denominator figures. In the string 11/17 selected by the user, the application turns the 17 into denominators when the user applies the fraction feature.

Fractions

Tag: frac

Function: Replaces figures separated by a slash with 'common' (diagonal) fractions. The user enters 3/4 in a recipe and gets the threequarters fraction.

Standard Ligatures

Tag: liga

Function: Replaces a sequence of glyphs with a single glyph which is preferred for typographic purposes. This feature covers the ligatures which the designer/manufacturer judges should be used in normal conditions. The glyph for ffl replaces the sequence of glyphs f f l.

Numerators

Tag: numr

Function: Replaces selected figures which precede a slash with numerator figures, and replaces the typographic slash with the fraction slash. In the string 11/17 selected by the user, the application turns the 11 into numerators, and the slash into a fraction slash when the user applies the fraction feature.

Scientific Inferiors

Tag: sinf

Function: Replaces lining or oldstyle figures with inferior figures (smaller glyphs which sit lower than the standard baseline, primarily for chemical or mathematical notation). May also replace lowercase characters with alphabetic inferiors. The application can use this feature to automatically access the inferior figures (more legible than scaled figures).

Superscript

Tag: sups

Function: Replaces lining or oldstyle figures with superior figures (primarily for footnote indication), and replaces lowercase letters with superior letters (primarily for abbreviated French titles). The application can use this feature to automatically access the superior figures (more legible than scaled figures) for footnotes, or the user can apply it to Mssr to get the classic form.

Discretionary Ligatures

Tag: dlig

Function: Replaces a sequence of glyphs with a single glyph which is preferred for typographic purposes. This feature covers those ligatures which may be used for special effect, at the user's preference. The glyph for ct replaces the sequence of glyphs c t, or U+322E (Kanji ligature for "Friday") replaces the sequence U+91D1 U+66DC U+65E5.

Slashed Zero

Tag: zero

Function: Some fonts contain both a default form of zero, and an alternative form which uses a diagonal slash through the counter. Especially in condensed designs, it can be difficult to distinguish between 0 and O (zero and capital O) in any situation where capitals and lining figures may be arbitrarily mixed. This feature allows the user to change from the default 0 to a slashed form. When setting labels, the user applies this feature to get the slashed 0.

Alternative Fractions

Tag: afrc

Function: Replaces figures separated by a slash with an alternative form. The user enters 3/4 in a recipe and get the threequarters nut fraction.

Expert Forms

Tag: expt

Function: Like the JIS78 Forms described above, this feature replaces standard forms in Japanese fonts with corresponding forms preferred by typographers. Although most of the JIS78 substitutions are included, the expert substitution goes on to handle many more characters. The user would invoke this feature to replace kanji character U+5516 with U+555E.

Full Width

Tag: fwid

Function: Replaces glyphs set on other widths with glyphs set on full (usually em) widths. In a CJKV font, this may include "lower ASCII" Latin characters and various symbols. In a European font, this feature replaces proportionally-spaced glyphs with monospaced glyphs, which are generally set on widths of 0.6 em. The user may invoke this feature in a Japanese font to get full monospaced Latin glyphs instead of the corresponding proportionally-spaced versions.

Half Width

Tag: hwid

Function: Replaces glyphs on proportional widths, or fixed widths other than half an em, with glyphs on half-em (en) widths. Many CJKV fonts have glyphs which are set on multiple widths; this feature selects the half-em version. There are various contexts in which this is the preferred behavior, including compatibility with older desktop documents. The user may replace a proportional Latin glyph with the same character set on a half-em width.

JIS78 Forms

Tag: jp78

Function: This feature replaces default (JIS90) Japanese glyphs with the corresponding forms from the JIS C 6226-1978 (JIS78) specification. The user would invoke this feature to replace kanji character U+5516 with U+555E.

Proportional Widths

Tag: pwid

Function: Replaces glyphs set on uniform widths (typically full or half-em) with proportionally spaced glyphs. The proportional variants are often used for the Latin characters in CJKV fonts, but may also be used for Kana in Japanese fonts. The user may invoke this feature in a Japanese font to get a proportionally-spaced glyph instead of a corresponding half-width Roman glyph or a full-width Kana glyph.

Traditional Forms

Tag: trad

Function: Replaces 'simplified' Chinese hanzi or Japanese kanji forms with the corresponding 'traditional' forms. The user inputs U+53F0 and is offered a choice of U+6AAF, U+81FA, or U+98B1.

Vertical Writing

Tag: vert

Function: Replaces default forms with variants adjusted for vertical writing when in vertical writing mode. While most CJKV glyphs remain vertical when set in vertical writing mode, some take a different form (usually rotated and repositioned) for this purpose. Glyphs covered by this feature correspond to the set normally rotated in low-end DTP applications. In vertical writing mode, the opening parenthesis (U+FF08) is replaced by the rotated form (U+FE35).

Vertical Rotation

Tag: vrt2

Function: Replaces some fixed-width (half-, third- or quarter-width) or proportional-width glyphs (mostly Latin or katakana) with forms suitable for vertical writing (that is, rotated 90 degrees clockwise). Note that these are a superset of the glyphs covered in the vert table. ATM/NT 4.1 and the Windows 2000 OTF driver impose the following requirements for an OpenType font with CFF outlines to be used for vertical writing: the vrt2 feature must be present in the GSUB table, it must comprises a single lookup of LookupType 1 and LookupFlag 0, and the lookup must have a single subtable. The predecessor feature, vert, is ignored. A rotated glyph must be designed such that its top side bearing and vertical advance as recorded in the Vertical Metrics ('vmtx') table are identical to the left side bearing and horizontal advance, respectively, of the corresponding upright glyph as recorded in the Horizontal Metrics ('hmtx') table. (The horizontal advance of the rotated glyph may be set to any value, since the glyph is intended only for vertical writing use. The vendor may however set it to head.unitsPerEm, to prevent overlap during font proofing tests, for example.) Thus, proportional-width glyphs with rotated forms in the vrt2 feature will appear identically spaced in both vertical and horizontal writing. In order for kerning to produce identical results as well, developers must ensure that the Vertical Kerning (vkrn) feature record kern values between the rotated glyphs that are the same as kern values between their corresponding upright glyphs in the Kerning (kern) feature. Proportional- or half-width Latin and half-width katakana characters are rotated 90 degrees clockwise for vertical writing.

Alternate Half Width

Tag: halt

Function: Respaces glyphs designed to be set on full-em widths, fitting them onto half-em widths. This differs from hwid in that it does not substitute new glyphs. The user may invoke this feature in a CJKV font to get better fit for punctuation or symbol glyphs without disrupting the monospaced alignment.

Horizontal Kana Alternates

Tag: hkna

Function: Replaces standard kana with forms that have been specially designed for only horizontal writing. This is a typographic optimization for improved fit and more even color. Also see vkna. Standard full-width kana (hiragana and katakana) are replaced by forms that are designed for horizontal use.

Italics

Tag: ital

Function: Some fonts (such as Adobe's Pro Japanese fonts) will have both Roman and Italic forms of some characters in a single font. This feature replaces the Roman glyphs with the corresponding Italic glyphs. The user would apply this feature to replace B with B.

JIS83 Forms

Tag: jp83

Function: This feature replaces default (JIS90) Japanese glyphs with the corresponding forms from the JIS X 0208-1983 (JIS83) specification. Because of the Han unification in Unicode, there are no JIS83 glyphs which have distinct Unicode values, so the substitution cannot be described specifically.

Kerning

Tag: kern

Function: Adjusts amount of space between glyphs, generally to provide optically consistent spacing between glyphs. Although a well-designed typeface has consistent inter-glyph spacing overall, some glyph combinations require adjustment for improved legibility. Besides standard adjustment in the horizontal direction, this feature can supply size-dependent kerning data via device tables, "cross-stream" kerning in the Y text direction, and adjustment of glyph placement independent of the advance adjustment. Note that this feature may apply to runs of more than two glyphs, and would not be used in monospaced fonts. Also note that this feature does not apply to text set vertically. The o is shifted closer to the T in the combination "To."

Alternate Annotation Forms

Tag: nalt

Function: Replaces default glyphs with various notational forms (e.g. glyphs placed in open or solid circles, squares, parentheses, diamonds or rounded boxes). In some cases an annotation form may already be present, but the user may want a different one. The user invokes this feature to get U+3200 (the circled form of 'ga') from U+3131 (hangul 'ga').

Proportional Alternate Width

Tag: palt

Function: Respaces glyphs designed to be set on full-em widths, fitting them onto individual (more or less proportional) horizontal widths. This differs from pwid in that it does not substitute new glyphs (GPOS, not GSUB feature). The user may prefer the monospaced form, or may simply want to ensure that the glyph is well-fit and not rotated in vertical setting (Latin forms designed for proportional spacing would be rotated). The user may invoke this feature in a Japanese font to get Latin, Kanji, Kana or Symbol glyphs with the full-width design but individual metrics.

Quarter Widths

Tag: qwid

Function: Replaces glyphs on other widths with glyphs set on widths of one quarter of an em (half an en). The characters involved are normally figures and some forms of punctuation. The user may apply qwid to place a four-digit figure in a single slot in a column of vertical text.

Ruby Notation Forms

Tag: ruby

Function: Japanese typesetting often uses smaller kana glyphs, generally in superscripted form, to clarify the meaning of kanji which may be unfamiliar to the reader. These are called ruby, from the old typesetting term for four-point-sized type. This feature identifies glyphs in the font which have been designed for this use, substituting them for the default designs. The user applies this feature to the kana character U+3042, to get the ruby form for annotation.

Third Widths

Tag: twid

Function: Replaces glyphs on other widths with glyphs set on widths of one third of an em. The characters involved are normally figures and some forms of punctuation. The user may apply twid to place a three-digit figure in a single slot in a column of vertical text.

Alternate Vertical Half Metrics

Tag: vhal

Function: Respaces glyphs designed to be set on full-em heights, fitting them onto half-em heights. This differs from valt in that it does not substitute new glyphs. The user may invoke this feature in a CJKV font to get better fit for punctuation or symbol glyphs without disrupting the monospaced alignment.

Vertical Kana Alternates

Tag: vkna

Function: Replaces standard kana with forms that have been specially designed for only vertical writing. This is a typographic optimization for improved fit and more even color. Standard full-width kana (hiragana and katakana) are replaced by forms that are designed for vertical use.

Vertical Kerning

Tag: vkrn

Function: Adjusts amount of space between glyphs, generally to provide optically consistent spacing between glyphs. Although a well-designed typeface has consistent inter-glyph spacing overall, some glyph combinations require adjustment for improved legibility. Besides standard adjustment in the vertical direction, this feature can supply size-dependent kerning data via device tables, "cross-stream" kerning in the X text direction, and adjustment of glyph placement independent of the advance adjustment. Note that this feature may apply to runs of more than two glyphs, and would not be used in monospaced fonts. Also note that this feature applies only to text set vertically. When the katakana character U+30B9 or U+30D8 is followed by U+30C8 in a vertical setting, U+30C8 is shifted up to fit more evenly.

Proportional Alternate Vertical Metrics

Tag: vpal

Function: Respaces glyphs designed to be set on full-em heights, fitting them onto individual (more or less proportional) vertical heights. This differs from valt in that it does not substitute new glyphs (GPOS, not GSUB feature). The user may prefer the monospaced form, or may simply want to ensure that the glyph is well-fit. The user may invoke this feature in a Japanese font to get Latin, Kanji, Kana or Symbol glyphs with the full-height design but individual metrics.

These fonts support the Basic Latin character set. Each font is Unicode™ encoded, and available in d

Tag: Basic Latin

Function: These fonts support the Basic Latin character set. Each font is Unicode™ encoded, and available in different formats. Please review the product information for each font to ensure it will meet your requirements.

These fonts support the Latin Extended character set. Each font is Unicode™ encoded, and available i

Tag: Latin Extended

Function: These fonts support the Latin Extended character set. Each font is Unicode™ encoded, and available in different formats. Please review the product information for each font to ensure it will meet your requirements.

These fonts support the Japanese script. Each font is Unicode™ encoded, and available in different f

Tag: Japanese

Function: These fonts support the Japanese script. Each font is Unicode™ encoded, and available in different formats. Please review the product information for each font to ensure it will meet your requirements.