/* $XConsortium: font.h,v 1.8 91/07/19 21:03:49 rws Exp $ */
/***********************************************************
Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
and the Massachusetts Institute of Technology, Cambridge, Massachusetts.

			All Rights Reserved

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the names of Digital or MIT not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.

DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.

******************************************************************/
/* $NCDId: @(#)font.h,v 1.7 1991/06/24 17:00:23 lemke Exp $ */

#ifndef FONT_H
#define FONT_H

#ifndef BitmapFormatByteOrderMask
#include        "fsmasks.h"
#endif

/* data structures */
typedef struct _Font *FontPtr;
typedef struct _FontInfo *FontInfoPtr;
typedef struct _FontProp *FontPropPtr;
typedef struct _ExtentInfo *ExtentInfoPtr;
typedef struct _FontPathElement *FontPathElementPtr;
typedef struct _CharInfo *CharInfoPtr;
typedef struct _FontNames *FontNamesPtr;
typedef struct _FontResolution *FontResolutionPtr;

#define NullCharInfo    ((CharInfoPtr) 0)
#define NullFont        ((FontPtr) 0)
#define NullFontInfo    ((FontInfoPtr) 0)

 /* draw direction */
#define LeftToRight 0
#define RightToLeft 1
#define BottomToTop 2
#define TopToBottom 3
typedef int DrawDirection;

#define NO_SUCH_CHAR    -1


#define FontAliasType   0x1000

#define AllocError      80
#define StillWorking    81
#define FontNameAlias   82
#define BadFontName     83
#define Suspended       84
#define Successful      85
#define BadFontPath     86
#define BadCharRange    87
#define BadFontFormat   88
#define FPEResetFailed  89      /* for when an FPE reset won't work */

/* OpenFont flags */
#define FontLoadInfo    0x0001
#define FontLoadProps   0x0002
#define FontLoadMetrics 0x0004
#define FontLoadBitmaps 0x0008
#define FontLoadAll     0x000f
#define FontOpenSync    0x0010

/* Query flags */
#define LoadAll         0x1
#define FinishRamge     0x2
#define       EightBitFont    0x4
#define       SixteenBitFont  0x8

typedef char *closure;

extern int  StartListFontsWithInfo( /* client, length, pattern, maxNames */ );
extern int  ListFonts( /* client, length, pattern, maxNames */ );

extern FontNamesPtr MakeFontNamesRecord( /* size */ );
extern void FreeFontNames();
extern int  AddFontNamesName();

extern int  FontToFSError();

extern FontResolutionPtr GetClientResolution();

typedef struct _FontPatternCache    *FontPatternCachePtr;

extern FontPatternCachePtr  MakeFontPatternCache ();
extern void                 FreeFontPatternCache ();
extern void                 EmtpyFontPatternCache ();
extern void                 CacheFontPattern ();
extern FontPtr              FindCachedFontPattern ();
extern void                 RemoveCachedFontPattern ();

#endif                          /* FONT_H */