Xfontcache man page on aLinux

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Xfontcache(3)							 Xfontcache(3)

       Xfontcache - X-TrueType font cache extension client library

       #include <X11/extensions/FontCache.h>

       typedef struct {
	    long	   himark;
	    long	   lowmark;
	    long	   balance;
       } FontCacheSettings, *FontCacheSettingsPtr;

       struct cacheinfo {
	    long	   hits;
	    long	   misshits;
	    long	   purged;
	    long	   usage;

       typedef struct {
	    long	   purge_runs;
	    long	   purge_stat;
	    long	   balance;
	    struct cacheinfof;
	    struct cacheinfov;
       } FontCacheStatistics, *FontCacheStatisticsPtr;

       Bool  FontCacheQueryExtension(Display *dpy, int *event_base_return, int

       Status FontCacheQueryVersion(Display *dpy,  int	*major_version_return,
	      int *minor_version_return);

       Status FontCacheGetCacheSettings(Display *dpy, FontCacheSettings *cache

       Status  FontCacheChangeCacheSettings(Display  *dpy,   FontCacheSettings
	      *cache info);

       Status  FontCacheGetCacheStatistics(Display  *dpy,  FontCacheStatistics
	      *cache statistics info);

       FontCache is an extension that is used by X-TrueType to cache  informa‐
       tions about fonts.

       FontCacheQueryExtension	returns	 True  if  the	FontCache extension is
       available on the given display.	A client must  call  FontCacheQueryEx‐
       tension	before calling any other Xfontcache function in order to nego‐
       tiate a compatible protocol version;  otherwise	the  client  will  get
       undefined behavior (Xfontcache may or may not work).

       FontCacheQueryVersion returns True if the request succeeded; the values
       of the major and minor protocol versions supported by  the  server  are
       returned in major_version_return and minor_version_return .

       FontCacheGetCacheSettings  should  be documented here.  Returns True on
       success or False on failure.

       FontCacheChangeCacheSettings should be documented here.	 Returns  True
       on success or False on failure.

       FontCacheGetCacheStatistics should be documented here.  Returns True on
       success or False on failure.

       FontCacheChangeCacheSettings will return BadValue if passed an  illegal
       parameters for lowmark, himark or balance fields.


       Akio Morita, X-TrueType team, Nozomi Ytow.

       This  API  is  considered as experimental. The Xfontcache library major
       revision may be incremented whenever incompatible changes are  done  to
       the API without notice. Use with care.

X Version 11		      libXfontcache 1.0.4		 Xfontcache(3)

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