System Information

Font-File Format
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This topic describes the file formats for
raster and vector fonts used by the Windows
operating system. These file formats may be
used by smart text generators in some support
modules for the graphics device interface
(GDI). Vector formats, however, are more
frequently used by GDI than by the support
modules.

Organization of a Font File:
Raster and vector font files begin with
information that is common to both types of
file and then continue with information that
differs for each type. These font files are
stored with an .FNT extension.

In Windows versions 3.0 and later, the
font-file header for raster and vector fonts
includes six new members: dFlags, dfAspace,
dfBspace, dfCspace, dfColorPointer, and
dfReserved1. All device drivers support the
fonts in Windows 2.x. However, not all drivers
support those in versions 3.0 and later.

In Windows, font files for raster and vector
fonts include the glyph t...