The Adobe Type Manager Font Driver (ATMFD.DLL) responsible for handling PostScript and OpenType fonts in the Windows kernel provides a channel of communication with user-mode applications via an undocumented gdi32!NamedEscape API call.
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The Adobe Type Manager Font Driver (ATMFD.DLL) responsible for handling PostScript and OpenType fonts in the Windows kernel provides a channel of communication with user-mode applications via an undocumented gdi32!NamedEscape API call.