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function FontInfo
% numFonts=FontInfo('NumFonts'); % Return the number of installed fonts
% fontInfoStructArray=FontInfo('Fonts');% Return an array of font info structs
% versionInfo=FontInfo('Version'); % Return version info for Fonts command
%
% OS X: ___________________________________________________________________
%
% Return information about the text fonts installed on your computer.
% FontInfo may be used in conjunction with Screen('DrawText') to select a
% screen font which satisfies your requirements. FontInfo('Fonts') may omit
% information in some fields of the returned struct, depending on what
% information the font file itself supplies. In particular, the
% verticalMetrics and horizontalMetrics substructs are often empty.
%
% The font number associated with a particular font may change if you
% restart your computer or change the installed fonts. Therefore you
% should not code font numbers into your scripts. Instead, specify fonts
% within your scripts by using font names. You may pass font names
% directly to Screen('TextFont'), or use the table returned by the FontInfo
% function to find the number of a font which satisfies your criteria for a
% font. Among those criteria may be the font name itself.
%
% OS 9, WINDOWS, Linux: ___________________________________________________
%
% FontInfo does not exist on OS-9, Windows and Linux.
% _________________________________________________________________________
%
% SEE ALSO: Screen, Screen('TextFont')
% HISTORY
% 7/03/04 awi wrote it.
% 7/10/04 awi cosmetic.
% 7/12/04 awi Divided into platform sections.
% 10/4/05 awi Note here cosmetic changes by dgp between 7/12/04 and 10/4/05
% Give an error on all platforms if MATLAB fails to find the mex file and
% executes this help file instead.
AssertMex('FontInfo.m');
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