Extensis ZDE-33056 Datasheet Page 33

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32 Suitcase 9.2 User Guide
Suitcase 9.2 User Guide 33
PostScript Fonts and Windows
There are four parts to every Windows PostScript font. They are:
.AFM files, .PFB files, .PFM files, and .INF files.
Font File Types
.pfb (Printer Font Binary) files contain a binary compressed out-
line font for use on a userʼs Windows system. Also known as a
printer font.
.pfm (Printer Font Metrics) files contain font metric information
used by applications for laying out lines of text in a document.
They also specify the Windows font menu name, kerning pair
data, and a variety of other font-level information. Also known as
a Screen Font.
.afm (Adobe Font Metrics) files contain general font information
and font metrics information. AFM files are generally only used
directly in UNIX environments.
.inf (INFormation) files contain application-specific information
in plain text; such as font menu names for Windows and DOS-
based applications.
The files are included in all Adobe font products (i.e. those
contain PFB files) for Windows. When a PostScript font is
installed in Windows, the Adobe Type Manager Installer software
takes the AFM and the INF file as input and generates the
required PFM file at installation time. The AFM and the INF files
are not installed in the userʼs system.
How Type 1 Fonts are Used in Windows 98 and NT
A Type 1 font for Windows requires the use of Adobe Type
Manager software to display the fonts and to communicate their
presence to device drivers. ATM expects a PFB file and a PFM
file to be installed in the /PSFONTS directory.
Adobe ships its font packages for Windows with a PFB file, an
AFM file, and an INF file. At installation time, the ATM installer
reads in the three files and creates a PFM file on the userʼs
hard disk, leaving the AFM and INF file where they are. Other
PostScript Type 1 Font developers may put only a PFB and PFM
file in their package; these will work with the ATM installer.
The INF file mainly contains the Windows font menu name—this
is what users see in their applicationʼs font menu.
Tip
PostScript fonts that are loaded in
your printer may appear in
applications but will not be
displayed in Suitcase 9. Some
applications (especially Microsoft
apps) font lists show PS fonts that
are stored in the printers memory.
These fonts show up in the
applications font list even though
they have never been added to
Suitcase 9.
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