github.com/rajveermalviya/gamen@v0.1.2-0.20220930195403-9be15877c1aa/internal/xkbcommon/include/X11/fonts/font.h (about)

     1  /***********************************************************
     2  Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
     3  
     4                          All Rights Reserved
     5  
     6  Permission to use, copy, modify, and distribute this software and its
     7  documentation for any purpose and without fee is hereby granted,
     8  provided that the above copyright notice appear in all copies and that
     9  both that copyright notice and this permission notice appear in
    10  supporting documentation, and that the name of Digital not be
    11  used in advertising or publicity pertaining to distribution of the
    12  software without specific, written prior permission.
    13  
    14  DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
    15  ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
    16  DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
    17  ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
    18  WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
    19  ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
    20  SOFTWARE.
    21  
    22  ******************************************************************/
    23  
    24  #ifndef FONT_H
    25  #define FONT_H
    26  
    27  #include <X11/Xfuncproto.h>
    28  
    29  #ifndef BitmapFormatByteOrderMask
    30  #include	"fsmasks.h"
    31  #endif
    32  
    33  /* data structures */
    34  #ifndef _XTYPEDEF_FONTPTR
    35  typedef struct _Font *FontPtr;
    36  #define _XTYPEDEF_FONTPTR
    37  #endif
    38  
    39  typedef struct _FontInfo *FontInfoPtr;
    40  typedef struct _FontProp *FontPropPtr;
    41  typedef struct _ExtentInfo *ExtentInfoPtr;
    42  typedef struct _FontPathElement *FontPathElementPtr;
    43  
    44  #ifndef _XTYPEDEF_CHARINFOPTR
    45  typedef struct _CharInfo *CharInfoPtr;
    46  #define _XTYPEDEF_CHARINFOPTR
    47  #endif
    48  
    49  typedef struct _FontNames *FontNamesPtr;
    50  typedef struct _FontResolution *FontResolutionPtr;
    51  
    52  #define NullCharInfo	((CharInfoPtr) 0)
    53  #define NullFont	((FontPtr) 0)
    54  #define NullFontInfo	((FontInfoPtr) 0)
    55  
    56   /* draw direction */
    57  #define LeftToRight 0
    58  #define RightToLeft 1
    59  #define BottomToTop 2
    60  #define TopToBottom 3
    61  typedef int DrawDirection;
    62  
    63  #define NO_SUCH_CHAR	-1
    64  
    65  
    66  #define	FontAliasType	0x1000
    67  
    68  #define	AllocError	80
    69  #define	StillWorking	81
    70  #define	FontNameAlias	82
    71  #define	BadFontName	83
    72  #define	Suspended	84
    73  #define	Successful	85
    74  #define	BadFontPath	86
    75  #define	BadCharRange	87
    76  #define	BadFontFormat	88
    77  #define	FPEResetFailed	89	/* for when an FPE reset won't work */
    78  
    79  /* OpenFont flags */
    80  #define FontLoadInfo	0x0001
    81  #define FontLoadProps	0x0002
    82  #define FontLoadMetrics	0x0004
    83  #define FontLoadBitmaps	0x0008
    84  #define FontLoadAll	0x000f
    85  #define	FontOpenSync	0x0010
    86  #define FontReopen	0x0020
    87  
    88  /* Query flags */
    89  #define	LoadAll		0x1
    90  #define	FinishRamge	0x2
    91  #define       EightBitFont    0x4
    92  #define       SixteenBitFont  0x8
    93  
    94  /* Glyph Caching Modes */
    95  #define CACHING_OFF 0
    96  #define CACHE_16_BIT_GLYPHS 1
    97  #define CACHE_ALL_GLYPHS 2
    98  #define DEFAULT_GLYPH_CACHING_MODE CACHE_16_BIT_GLYPHS
    99  extern int glyphCachingMode;
   100  
   101  struct _Client;
   102  
   103  extern int StartListFontsWithInfo(
   104      struct _Client * /*client*/,
   105      int /*length*/,
   106      unsigned char * /*pattern*/,
   107      int /*max_names*/
   108  );
   109  
   110  extern FontNamesPtr MakeFontNamesRecord(
   111      unsigned /* size */
   112  );
   113  
   114  extern void FreeFontNames(
   115      FontNamesPtr /* pFN*/
   116  );
   117  
   118  extern int  AddFontNamesName(
   119      FontNamesPtr /* names */,
   120      char * /* name */,
   121      int /* length */
   122  );
   123  
   124  #if 0 /* unused */
   125  extern int  FontToFSError();
   126  extern FontResolutionPtr GetClientResolution();
   127  #endif
   128  
   129  typedef struct _FontPatternCache    *FontPatternCachePtr;
   130  
   131  extern FontPatternCachePtr  MakeFontPatternCache (
   132      void
   133  );
   134  
   135  extern void		    FreeFontPatternCache (
   136      FontPatternCachePtr /* cache */
   137  );
   138  
   139  extern void		    EmptyFontPatternCache (
   140      FontPatternCachePtr /* cache */
   141  );
   142  
   143  extern void		    CacheFontPattern (
   144      FontPatternCachePtr /* cache */,
   145      const char * /* pattern */,
   146      int /* patlen */,
   147      FontPtr /* pFont */
   148  );
   149  extern _X_EXPORT FontResolutionPtr GetClientResolutions(
   150      int * /* num */
   151  );
   152  
   153  extern FontPtr		    FindCachedFontPattern (
   154      FontPatternCachePtr /* cache */,
   155      const char * /* pattern */,
   156      int /* patlen */
   157  );
   158  
   159  extern void		    RemoveCachedFontPattern (
   160      FontPatternCachePtr /* cache */,
   161      FontPtr /* pFont */
   162  );
   163  
   164  typedef enum {
   165      Linear8Bit, TwoD8Bit, Linear16Bit, TwoD16Bit
   166  }           FontEncoding;
   167  
   168  #endif				/* FONT_H */