Over 600 Adobe Type 1 fonts are available from font vendors, and user systems could have a large number of these installed. Applications must be capable of functioning properly with whatever font the user selects.
An application can examine the font metrics to see what a font looks like or display different font characters from which the user can choose. When dealing with an interactive or user-driven application, the recommended method of choosing a font is to call WinFontDlg, which displays an example of the font in a dialog box.
Additional Adobe Type 1 fonts can be used just like other outline fonts. Notice, however, that some of those fonts are more stylized; that is, the fonts have a greater variation in the widths of different characters within the same font, which is provided by kerning.
Adobe Type 1 fonts, provided with and for a particular application, can be loaded with GpiLoadFonts, provided that the following rules are observed: