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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1882 | clevermous | 1 | /******************************************************************* |
| 2 | * |
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| 3 | * ttconfig.h 1.0 |
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| 4 | * |
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| 5 | * Configuration settings header file (spec only). |
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| 6 | * |
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| 7 | * Copyright 1996-1999 by |
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| 8 | * David Turner, Robert Wilhelm, and Werner Lemberg. |
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| 9 | * |
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| 10 | * This file is part of the FreeType project, and may only be used |
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| 11 | * modified and distributed under the terms of the FreeType project |
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| 12 | * license, LICENSE.TXT. By continuing to use, modify, or distribute |
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| 13 | * this file you indicate that you have read the license and |
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| 14 | * understand and accept it fully. |
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| 15 | * |
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| 16 | * Notes: |
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| 17 | * |
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| 18 | * All the configuration #define statements have been gathered in |
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| 19 | * this file to allow easy check and modification. |
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| 20 | * |
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| 21 | ******************************************************************/ |
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| 22 | |||
| 23 | #ifndef TTCONFIG_H |
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| 24 | #define TTCONFIG_H |
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| 25 | |||
| 26 | |||
| 27 | |||
| 28 | /* ------------ auto configuration ------------------------------------- */ |
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| 29 | |||
| 30 | |||
| 31 | /*************************************************************************/ |
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| 32 | /* Here we include the file ft_conf.h for system dependent stuff. */ |
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| 33 | /* The specific makefile is responsible for providing the right path to */ |
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| 34 | /* this file. */ |
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| 35 | |||
| 36 | #include "ft_conf.h" |
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| 37 | |||
| 38 | |||
| 39 | /**************************************************************************/ |
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| 40 | /* Define TT_CONFIG_THREAD_SAFE if you want to build a thread-safe */ |
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| 41 | /* version of the library. */ |
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| 42 | |||
| 43 | /* #define TT_CONFIG_OPTION_THREAD_SAFE */ |
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| 44 | |||
| 45 | |||
| 46 | |||
| 47 | /* ------------ general debugging -------------------------------------- */ |
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| 48 | |||
| 49 | |||
| 50 | /************************************************************************* |
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| 51 | * |
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| 52 | * There are now three debugging modes: |
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| 53 | * |
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| 54 | * - trace mode: |
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| 55 | * |
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| 56 | * Error and trace messages are sent to the log file |
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| 57 | * (which can be the standard error output). Define |
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| 58 | * DEBUG_LEVEL_TRACE to enable this mode. |
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| 59 | * |
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| 60 | * - error mode: |
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| 61 | * |
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| 62 | * Only error messages are generated. Define |
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| 63 | * DEBUG_LEVEL_ERROR to enable this mode. |
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| 64 | * |
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| 65 | * - release mode: |
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| 66 | * |
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| 67 | * Error messages are neither sent nor generated. The code is |
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| 68 | * free from any debugging parts. |
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| 69 | * |
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| 70 | * |
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| 71 | * Note that you should link the engine with the 'ttdebug' component. |
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| 72 | * in case either DEBUG_LEVEL_TRACE or DEBUG_LEVEL_ERROR is defined. |
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| 73 | * |
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| 74 | * Please consult ttdebug.h for more details. */ |
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| 75 | |||
| 76 | /* #define DEBUG_LEVEL_TRACE */ |
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| 77 | /* #define DEBUG_LEVEL_ERROR */ |
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| 78 | |||
| 79 | |||
| 80 | |||
| 81 | /* ------------ special debugging -------------------------------------- */ |
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| 82 | |||
| 83 | |||
| 84 | /*************************************************************************/ |
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| 85 | /* Define this if you want to generate a special debug version of the */ |
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| 86 | /* rasterizer. This will progressively draw the glyphs while the */ |
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| 87 | /* computations are done directly on the graphics screen... (with */ |
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| 88 | /* inverted glyphs). */ |
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| 89 | /* */ |
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| 90 | /* Use it at your own risk! It is not maintained currently. */ |
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| 91 | /* */ |
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| 92 | /* IMPORTANT: This is reserved to developers willing to debug the */ |
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| 93 | /* rasterizer, which seems working very well in its */ |
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| 94 | /* current state... */ |
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| 95 | |||
| 96 | /* #define DEBUG_RASTER */ |
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| 97 | |||
| 98 | |||
| 99 | /*************************************************************************/ |
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| 100 | /* Define this to have a simple debugger version of RunIns(). */ |
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| 101 | /* */ |
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| 102 | /* Use it at your own risk! It is not maintained currently. */ |
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| 103 | |||
| 104 | /* #define DEBUG_INTERPRETER */ |
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| 105 | |||
| 106 | |||
| 107 | /*************************************************************************/ |
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| 108 | /* Define this to have some housekeeping of allocation and deallocation. */ |
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| 109 | /* */ |
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| 110 | /* Please note that probably not all OS-specific versions of ttmemory.c */ |
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| 111 | /* provide this functionality. */ |
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| 112 | |||
| 113 | /* #define DEBUG_MEMORY */ |
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| 114 | |||
| 115 | |||
| 116 | /*************************************************************************/ |
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| 117 | /* Define this to have bounds checking for file buffer frames. */ |
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| 118 | /* */ |
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| 119 | /* Please note that probably not all OS-specific versions of ttfile.c */ |
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| 120 | /* provide this functionality. */ |
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| 121 | |||
| 122 | /* #define DEBUG_FILE */ |
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| 123 | |||
| 124 | |||
| 125 | |||
| 126 | /* ------------ arithmetic and processor support ----------------------- */ |
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| 127 | |||
| 128 | |||
| 129 | /*************************************************************************/ |
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| 130 | /* Define TT_USE_LONG_LONG if you want to enable the use of the */ |
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| 131 | /* 'long long' 64-bit type provided by gcc and other compilers. Note */ |
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| 132 | /* that : */ |
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| 133 | /* */ |
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| 134 | /* 1. The type isn't ANSI, and thus will produce many warnings */ |
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| 135 | /* during library compilation. */ |
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| 136 | /* */ |
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| 137 | /* 2. Though the generated object files are slightly smaller, the */ |
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| 138 | /* resulting executables are bigger of about 4Kb! gcc must be */ |
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| 139 | /* linking some extra code in there! */ |
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| 140 | /* */ |
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| 141 | /* 3. There is really no speed gain in doing so (but it may help */ |
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| 142 | /* debug the ttcalc component). */ |
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| 143 | /* */ |
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| 144 | /* IMPORTANT NOTE: You don't need to define it on 64-bits machines! */ |
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| 145 | /* */ |
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| 146 | /* NOTE 2 : This flag used to be _GNUC_LONG64_ */ |
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| 147 | |||
| 148 | /* #define TT_USE_LONG_LONG */ |
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| 149 | |||
| 150 | |||
| 151 | /*************************************************************************/ |
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| 152 | /* define ALIGNMENT to your processor/environment preferred alignment */ |
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| 153 | /* size. A value of 8 should work on all current processors, even */ |
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| 154 | /* 64-bits ones. */ |
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| 155 | |||
| 156 | #define ALIGNMENT 8 |
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| 157 | |||
| 158 | |||
| 159 | |||
| 160 | /* --------------- miscellaneous ----------------------------------- */ |
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| 161 | |||
| 162 | |||
| 163 | /*********************************************************************/ |
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| 164 | /* The number of extensions available. Don't change this value */ |
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| 165 | /* except if you add new extensions to the engine. */ |
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| 166 | |||
| 167 | #define TT_MAX_EXTENSIONS 8 |
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| 168 | |||
| 169 | |||
| 170 | |||
| 171 | /* --------------- automatic setup -- don't touch ------------------ */ |
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| 172 | |||
| 173 | |||
| 174 | /*********************************************************************/ |
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| 175 | /* If HAVE_TT_TEXT is defined we don't provide a default typedef for */ |
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| 176 | /* defining TT_Text. */ |
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| 177 | |||
| 178 | #ifndef HAVE_TT_TEXT |
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| 179 | #define HAVE_TT_TEXT |
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| 180 | typedef char TT_Text; |
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| 181 | #endif |
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| 182 | |||
| 183 | |||
| 184 | /*********************************************************************/ |
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| 185 | /* We define NULL in case it's not defined yet. The default */ |
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| 186 | /* location is stdlib.h. */ |
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| 187 | |||
| 188 | #ifdef HAVE_STDLIB_H |
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| 189 | #include |
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| 190 | #endif |
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| 191 | |||
| 192 | |||
| 193 | /*********************************************************************/ |
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| 194 | /* Some systems can't use vfprintf for error messages on stderr; if */ |
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| 195 | /* HAVE_PRINT_FUNCTION is defined, the Print macro must be supplied */ |
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| 196 | /* externally (having the same parameters). */ |
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| 197 | /* */ |
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| 198 | /* This is only used by the "ttdebug" component, which should be */ |
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| 199 | /* linked to the engine only in debug mode. */ |
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| 200 | |||
| 201 | #if defined( DEBUG_LEVEL_TRACE ) || defined( DEBUG_LEVEL_ERROR ) |
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| 202 | #ifndef HAVE_PRINT_FUNCTION |
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| 203 | #define Print( format, ap ) vfprintf( stderr, (format), (ap) ) |
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| 204 | #endif |
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| 205 | #endif |
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| 206 | |||
| 207 | |||
| 208 | /********************************************************************/ |
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| 209 | /* */ |
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| 210 | /* I have added the ability to compile the library into a single */ |
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| 211 | /* object file. This gets rids of all the external symbols defined */ |
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| 212 | /* in each component interface, and de-pollutes the name-space. */ |
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| 213 | /* */ |
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| 214 | /* I use two macros, namely LOCAL_FUNC and LOCAL_DEF, which only */ |
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| 215 | /* apply to functions that are internal to the engine, and */ |
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| 216 | /* should never be seen or linked by a client application. */ |
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| 217 | /* */ |
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| 218 | /* LOCAL_DEF used in header (.h) files, to define a function */ |
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| 219 | /* that will be seen by other components. This */ |
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| 220 | /* translates to "extern" in normal mode, and to */ |
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| 221 | /* "static" in single-object mode. */ |
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| 222 | /* */ |
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| 223 | /* LOCAL_FUNC used in implementation (.c) files, just before */ |
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| 224 | /* the function body. This translates to nothing */ |
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| 225 | /* in normal mode, and to "static" in single-object */ |
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| 226 | /* mode. */ |
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| 227 | /* */ |
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| 228 | /* Getting rid of un-necessary symbols makes the "ttcommon" */ |
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| 229 | /* renaming macros hack unnecessary. Moreover, the stripped */ |
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| 230 | /* single object file (freetype.o) is 52 Kb, instead of the */ |
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| 231 | /* previous 57 Kb (size of all combined .o files), and gives */ |
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| 232 | /* a better idea of the engine's real code size. */ |
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| 233 | /* */ |
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| 234 | /* It is called a "MAKE_OPTION" because the macro must be */ |
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| 235 | /* defined in the Makefile, rather than this one. It allows */ |
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| 236 | /* any developer to quickly switch from one mode to the other */ |
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| 237 | /* without messing with "ttconfig.h" each time. */ |
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| 238 | /* */ |
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| 239 | #ifndef TT_MAKE_OPTION_SINGLE_OBJECT |
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| 240 | #define LOCAL_FUNC /* void */ |
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| 241 | #define LOCAL_DEF extern |
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| 242 | #else |
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| 243 | #define LOCAL_FUNC static |
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| 244 | #define LOCAL_DEF static |
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| 245 | #endif |
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| 246 | |||
| 247 | |||
| 248 | /*************************************************************************/ |
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| 249 | /* Define EXPORT_DEF and EXPORT_FUNC as needed to build e.g. a DLL. All */ |
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| 250 | /* variables and functions visible from outside have these prefixes. */ |
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| 251 | |||
| 252 | #ifndef EXPORT_DEF |
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| 253 | #define EXPORT_DEF extern |
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| 254 | #endif |
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| 255 | |||
| 256 | #ifndef EXPORT_FUNC |
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| 257 | #define EXPORT_FUNC /* void */ |
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| 258 | #endif |
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| 259 | |||
| 260 | |||
| 261 | |||
| 262 | /* -------------- internal (developer) configuration toggles ------------ */ |
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| 263 | |||
| 264 | |||
| 265 | #undef TT_STATIC_INTERPRETER |
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| 266 | /* Do not undefine this configuration macro. It is now a default that */ |
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| 267 | /* must be kept in all release builds. */ |
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| 268 | |||
| 269 | |||
| 270 | #undef TT_STATIC_RASTER |
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| 271 | /* Define this if you want to generate a static raster. This makes */ |
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| 272 | /* a non re-entrant version of the scan-line converter, which is */ |
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| 273 | /* about 10% faster and 50% bigger than an indirect one! */ |
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| 274 | |||
| 275 | |||
| 276 | #endif /* TTCONFIG_H */ |
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| 277 | |||
| 278 | |||
| 279 | /* END */ |