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Jeremiah Rivera
Jeremiah Rivera

Postscript Type 1 Font



Type 1 fonts are a legacy format created by Adobe in 1984 when desktop publishing was still in its nascent years. Apple started supporting the technology in the original LaserWriter, announced on the same day that Aldus PageMaker, in 1985.




postscript type 1 font



Most major software applications, open-source libraries, and mobile platforms already do not support Type 1 fonts. Chances are if you use or design for these platforms, you are already using a more widely supported format.


For Adobe Creative Suite programs like Photoshop, InDesign, and Illustrator, the fonts will become unavailable to use upon retirement. This means that any Type 1 fonts you could previously access within Adobe programs will not appear in the in-program font list. Additionally, any file that contains a Type 1 font will trigger Adobe's "Missing Font" error when opened within an Adobe program.


Most people will not be affected by the retirement of Type 1 fonts. As stated above, Adobe had stopped creating Type 1 fonts in 1999, and most developers had moved to more robust formats in early 2005. Many developers had even converted existing Type 1 fonts to OpenType and TrueType formats in the early 2000s.


However, there's a chance that you may still have some Type 1 fonts. This is especially true for designers working with in-house fonts developed explicitly by their company, especially if their company has been active since the 1990s.


If you purchased a Type 1 font through a third-party vendor, you'd need to either seek out an updated TrueType version or find a similar font that you can obtain the license for. Some foundries may offer discounts or free upgrades for those looking for OpenType versions of Type 1 fonts.


If you've purchased a Type 1 font through Adobe, you may want to see if there's already a supported Type 1 font included with your Adobe Creative Cloud subscription. Adobe offers many of their older "Adobe Originals" fonts for free under their subscription packages.


In the event that you do not own a Creative Cloud subscription, Adobe allows users to purchase perpetual licenses to OpenType versions of their Adobe Type 1 fonts via Fontspring. Those who purchased Type 1 fonts published by Adobe Type should contact Fontspring to receive a discount on an upgrade.


If you're new to Mac, within the last decade or so, you probably don't have any Type 1 fonts installed. If you're unsure whether or not you have Type 1 fonts on your machine, here's how to tell if you have any installed.


We highly suggest that anyone who has existing Type 1 fonts find alternatives as soon as possible. As stated, Adobe Photoshop will stop supporting Type 1 fonts in 2021, and all other Adobe programs will end support in January 2023. Switching now ensures that you will not run into problems by the time Adobe officially sunsets Type 1 support.


I understand that Adobe is ending support for Type 1 fonts, but what if the font is installed in your system and you aren't using Adobe products? I suspect that they'll work just fine until Apple ends support (which may be a long way off.)


It appears, looking at the screen shots above, that the extension (.ttf, .otf) does not have to match the type/kind. Why is that? One would think that if the font is listed with .otf, it would be an OpenType font. Anyone have insight on this?


PostScript fonts are font files encoded in outline font specifications developed by Adobe Systems for professional digital typesetting. This system uses PostScript file format to encode font information.


Type 1 and Type 3 fonts, though introduced by Adobe in 1984 as part of the PostScript page description language, did not see widespread use until March 1985 when the first laser printer to use the PostScript language, the Apple LaserWriter, was introduced.


Although originally part of PostScript, Type 1 fonts used a simplified set of drawing operations compared to ordinary PostScript (programmatic elements such as loops and variables were removed, much like PDF), but Type 1 fonts added "hints" to help low-resolution rendering. Originally, Adobe kept the details of their hinting scheme undisclosed and used a (simple) encryption scheme to protect Type 1 outlines and hints, which still persists today (although the encryption scheme and key has since been published by Adobe). Despite these measures, Adobe's scheme was quickly reverse-engineered by other players in the industry. Adobe nevertheless required anyone working with Type 1 fonts to license their technology.


Type 3 fonts allowed for all the sophistication of the PostScript language, but without the standardized approach to hinting (though some companies such as ATF implemented their own proprietary schemes) or an encryption scheme. Other differences further added to the confusion.


By using PostScript (PS) language, the glyphs are described with cubic Bézier curves (as opposed to the quadratic curves of TrueType), and thus a single set of glyphs can be resized through simple mathematical transformations, which can then be sent to a PostScript-ready printer. Because the data of Type 1 is a description of the outline of a glyph and not a raster image (i.e. a bitmap), Type 1 fonts are commonly referred to as "outline fonts," as opposed to bitmap fonts. For users wanting to preview these typefaces on an electronic display, small versions of a font need extra hints and anti-aliasing to look legible and attractive on screen. This often came in the form of an additional bitmap font of the same typeface, optimized for screen display. Otherwise, in order to preview the Type 1 fonts in typesetting applications, the Adobe Type Manager utility was required.


Type 0 is a "composite" font format - as described in the PostScript Language Reference Manual, 2nd Edition. A composite font is composed of a high-level font that references multiple descendant fonts.


Type 1 (also known as PostScript, PostScript Type 1, PS1, T1 or Adobe Type 1) is the font format for single-byte digital fonts for use with Adobe Type Manager software and with PostScript printers. It can support font hinting.


Adobe announced on 27 January 2021 that they would end support for Type 1 fonts in Adobe products after January 2023.[3] Support for Type 1 fonts in Adobe Photoshop was discontinued with the release of version 23.0 of the product in October 2021.


Type 2 is a character string format that offers a compact representation of the character description procedures in an outline font file. The format is designed to be used with the Compact Font Format (CFF). The CFF/Type2 format is the basis for Type 1 OpenType fonts, and is used for embedding fonts in Acrobat 3.0 PDF files (PDF format version 1.2).


Type 3 font (also known as PostScript Type 3 or PS3, T3 or Adobe Type 3) consists of glyphs defined using the full PostScript language, rather than just a subset. Because of this, a Type 3 font can do some things that Type 1 fonts cannot do, such as specify shading, color, and fill patterns. However, it does not support hinting. Adobe Type Manager did not support Type 3 fonts, and they are not supported as native WYSIWYG fonts on any version of Mac OS or Windows.


Type 4 is a format that was used to make fonts for printer font cartridges and for permanent storage on a printer's hard disk. The character descriptions are expressed in the Type 1 format. Adobe does not document this proprietary format.


Type 14, or the Chameleon font format, is used to represent a large number of fonts in a small amount of storage space such as printer ROM. The core set of Chameleon fonts consists of one Master Font, and a set of font descriptors that specify how the Master Font is to be adjusted to give the desired set of character shapes for a specific typeface.


Type 32 is used for downloading bitmap fonts to PostScript interpreters with version number 2016 or greater. The bitmap characters are transferred directly into the interpreter's font cache, thus saving space in the printer's memory.


The Type 42 font format is a PostScript wrapper around a TrueType font, allowing PostScript-capable printers containing a TrueType rasterizer (which was first implemented in PostScript interpreter version 2010 as an optional feature, later standard) to print TrueType fonts. Support for multibyte CJK TrueType fonts was added in PostScript version 2015. The out-of-sequence choice of the number 42 is said to be a jesting reference to The Hitchhiker's Guide to the Galaxy, where 42 is the Answer to Life, the Universe, and Everything.


Many computer operating systems have these fonts installed, while various projects have created clones of them. For instance, the Ghostscript fonts (also known as the URW Base 35 fonts) are open source clones of all fonts defined in PostScript 2.


In PostScript 3, 136 font styles are specified,[4] which include the 35 font styles defined in PostScript 2, core fonts in popular operating systems (namely Windows 95, Windows NT, and Macintosh), selected fonts from Microsoft Office, and the HP 110 font set. New fonts include:


It is a series of character sets developed for Japanese fonts. Adobe's latest, the Adobe-Japan1-6 set covers character sets from JIS X 0208, ISO-2022-JP, Microsoft Windows 3.1 J, JIS X 0213:2004, JIS X 0212-1990, Kyodo News U-PRESS character set.


Fonts with an ISO-Adobe character set support most western languages including: Afrikaans, Basque, Breton, Catalan, Danish, Dutch, English, Finnish, French, Gaelic, German, Icelandic, Indonesian, Irish, Italian, Norwegian, Portuguese, Sami, Spanish, Swahili and Swedish. This is the standard character set in most PostScript Type 1 fonts from Adobe.


The CID-keyed font (also known as CID font, CID-based font, short for Character Identifier font) is a font structure, originally developed for PostScript font formats, designed to address a large number of glyphs. It was developed to support pictographic East Asian character sets, as these comprise many more characters than the Latin, Greek and Cyrillic writing systems. 041b061a72


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