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 */ 169