OpenType

OpenType is a joint venture between Adobe and Microsoft. It is based on Unicode (a platform-independent encoding that covers the world's languages). There are several attractive concepts behind OpenType; one is that each OpenType font can contain over 65,000 different glyphs, these can include small caps, old style figures, swash forms and foreign language scripts. There is also the ability to add 'intelligence' to the fonts through the addition of OpenType features. Beyond all that, the same font file works on Macintosh and Windows making incompatibility a thing of the past. OpenType is supported natively on the latest operating systems including Mac OS X, Windows Vista, XP and 2000. If you intend to use OpenType fonts form Jeremy Tankard Typography on Mac OS 9.2 and below or Windows 98/NT/ME and below you will need to install the free ATM Light application from Adobe.

 

For minimum system requirements read the OpenType_info.pdf

 

The following page at Adobe lists known limitations. (more information can be found via Adobe's website)

 

PostScript Type 1

Developed by Adobe Systems the PostScript Type 1 font format is used extensively within the design industry. It is supported by virtually all printers and output houses. PostScript Type 1 is supported natively on the latest operating systems including Mac OS X, Windows Vista, XP and 2000 (though Microsoft has started to phase out support on Windows Vista). If you intend to use PostScript Type 1 on Mac OS 9.2 and below or Windows 98/NT/ME and below you will need to install the free ATM Light application from Adobe. (more information can be found via Adobe's website)

 

TrueType

Created by Apple Computer and later licenced to Microsoft. TrueType continues to be developed by both Apple and Microsoft and TrueType fonts are core to their operating systems. The TrueType file format allows for additional information to be contained within it; this can include high quality hinting and wide language support. (more information can be found via Adobe's website)

 

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