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| /******************************************************************* |
| * |
| * ttconfig.h 1.0 |
| * |
| * Configuration settings header file (spec only). |
| * |
| * Copyright 1996-1999 by |
| * David Turner, Robert Wilhelm, and Werner Lemberg. |
| * |
| * This file is part of the FreeType project, and may only be used |
| * modified and distributed under the terms of the FreeType project |
| * license, LICENSE.TXT. By continuing to use, modify, or distribute |
| * this file you indicate that you have read the license and |
| * understand and accept it fully. |
| * |
| * Notes: |
| * |
| * All the configuration #define statements have been gathered in |
| * this file to allow easy check and modification. |
| * |
| ******************************************************************/ |
| |
| #ifndef TTCONFIG_H |
| #define TTCONFIG_H |
| |
| |
| |
| /* ------------ auto configuration ------------------------------------- */ |
| |
| |
| /*************************************************************************/ |
| /* Here we include the file ft_conf.h for system dependent stuff. */ |
| /* The specific makefile is responsible for providing the right path to */ |
| /* this file. */ |
| |
| #include "ft_conf.h" |
| |
| |
| /**************************************************************************/ |
| /* Define TT_CONFIG_THREAD_SAFE if you want to build a thread-safe */ |
| /* version of the library. */ |
| |
| /* #define TT_CONFIG_OPTION_THREAD_SAFE */ |
| |
| |
| |
| /* ------------ general debugging -------------------------------------- */ |
| |
| |
| /************************************************************************* |
| * |
| * There are now three debugging modes: |
| * |
| * - trace mode: |
| * |
| * Error and trace messages are sent to the log file |
| * (which can be the standard error output). Define |
| * DEBUG_LEVEL_TRACE to enable this mode. |
| * |
| * - error mode: |
| * |
| * Only error messages are generated. Define |
| * DEBUG_LEVEL_ERROR to enable this mode. |
| * |
| * - release mode: |
| * |
| * Error messages are neither sent nor generated. The code is |
| * free from any debugging parts. |
| * |
| * |
| * Note that you should link the engine with the 'ttdebug' component. |
| * in case either DEBUG_LEVEL_TRACE or DEBUG_LEVEL_ERROR is defined. |
| * |
| * Please consult ttdebug.h for more details. */ |
| |
| /* #define DEBUG_LEVEL_TRACE */ |
| /* #define DEBUG_LEVEL_ERROR */ |
| |
| |
| |
| /* ------------ special debugging -------------------------------------- */ |
| |
| |
| /*************************************************************************/ |
| /* Define this if you want to generate a special debug version of the */ |
| /* rasterizer. This will progressively draw the glyphs while the */ |
| /* computations are done directly on the graphics screen... (with */ |
| /* inverted glyphs). */ |
| /* */ |
| /* Use it at your own risk! It is not maintained currently. */ |
| /* */ |
| /* IMPORTANT: This is reserved to developers willing to debug the */ |
| /* rasterizer, which seems working very well in its */ |
| /* current state... */ |
| |
| /* #define DEBUG_RASTER */ |
| |
| |
| /*************************************************************************/ |
| /* Define this to have a simple debugger version of RunIns(). */ |
| /* */ |
| /* Use it at your own risk! It is not maintained currently. */ |
| |
| /* #define DEBUG_INTERPRETER */ |
| |
| |
| /*************************************************************************/ |
| /* Define this to have some housekeeping of allocation and deallocation. */ |
| /* */ |
| /* Please note that probably not all OS-specific versions of ttmemory.c */ |
| /* provide this functionality. */ |
| |
| /* #define DEBUG_MEMORY */ |
| |
| |
| /*************************************************************************/ |
| /* Define this to have bounds checking for file buffer frames. */ |
| /* */ |
| /* Please note that probably not all OS-specific versions of ttfile.c */ |
| /* provide this functionality. */ |
| |
| /* #define DEBUG_FILE */ |
| |
| |
| |
| /* ------------ arithmetic and processor support ----------------------- */ |
| |
| |
| /*************************************************************************/ |
| /* Define TT_USE_LONG_LONG if you want to enable the use of the */ |
| /* 'long long' 64-bit type provided by gcc and other compilers. Note */ |
| /* that : */ |
| /* */ |
| /* 1. The type isn't ANSI, and thus will produce many warnings */ |
| /* during library compilation. */ |
| /* */ |
| /* 2. Though the generated object files are slightly smaller, the */ |
| /* resulting executables are bigger of about 4Kb! gcc must be */ |
| /* linking some extra code in there! */ |
| /* */ |
| /* 3. There is really no speed gain in doing so (but it may help */ |
| /* debug the ttcalc component). */ |
| /* */ |
| /* IMPORTANT NOTE: You don't need to define it on 64-bits machines! */ |
| /* */ |
| /* NOTE 2 : This flag used to be _GNUC_LONG64_ */ |
| |
| /* #define TT_USE_LONG_LONG */ |
| |
| |
| /*************************************************************************/ |
| /* define ALIGNMENT to your processor/environment preferred alignment */ |
| /* size. A value of 8 should work on all current processors, even */ |
| /* 64-bits ones. */ |
| |
| #define ALIGNMENT 8 |
| |
| |
| |
| /* --------------- miscellaneous ----------------------------------- */ |
| |
| |
| /*********************************************************************/ |
| /* The number of extensions available. Don't change this value */ |
| /* except if you add new extensions to the engine. */ |
| |
| #define TT_MAX_EXTENSIONS 8 |
| |
| |
| |
| /* --------------- automatic setup -- don't touch ------------------ */ |
| |
| |
| /*********************************************************************/ |
| /* If HAVE_TT_TEXT is defined we don't provide a default typedef for */ |
| /* defining TT_Text. */ |
| |
| #ifndef HAVE_TT_TEXT |
| #define HAVE_TT_TEXT |
| typedef char TT_Text; |
| #endif |
| |
| |
| /*********************************************************************/ |
| /* We define NULL in case it's not defined yet. The default */ |
| /* location is stdlib.h. */ |
| |
| #ifdef HAVE_STDLIB_H |
| #include <stdlib.h> |
| #endif |
| |
| |
| /*********************************************************************/ |
| /* Some systems can't use vfprintf for error messages on stderr; if */ |
| /* HAVE_PRINT_FUNCTION is defined, the Print macro must be supplied */ |
| /* externally (having the same parameters). */ |
| /* */ |
| /* This is only used by the "ttdebug" component, which should be */ |
| /* linked to the engine only in debug mode. */ |
| |
| #if defined( DEBUG_LEVEL_TRACE ) || defined( DEBUG_LEVEL_ERROR ) |
| #ifndef HAVE_PRINT_FUNCTION |
| #define Print( format, ap ) vfprintf( stderr, (format), (ap) ) |
| #endif |
| #endif |
| |
| |
| /********************************************************************/ |
| /* */ |
| /* I have added the ability to compile the library into a single */ |
| /* object file. This gets rids of all the external symbols defined */ |
| /* in each component interface, and de-pollutes the name-space. */ |
| /* */ |
| /* I use two macros, namely LOCAL_FUNC and LOCAL_DEF, which only */ |
| /* apply to functions that are internal to the engine, and */ |
| /* should never be seen or linked by a client application. */ |
| /* */ |
| /* LOCAL_DEF used in header (.h) files, to define a function */ |
| /* that will be seen by other components. This */ |
| /* translates to "extern" in normal mode, and to */ |
| /* "static" in single-object mode. */ |
| /* */ |
| /* LOCAL_FUNC used in implementation (.c) files, just before */ |
| /* the function body. This translates to nothing */ |
| /* in normal mode, and to "static" in single-object */ |
| /* mode. */ |
| /* */ |
| /* Getting rid of un-necessary symbols makes the "ttcommon" */ |
| /* renaming macros hack unnecessary. Moreover, the stripped */ |
| /* single object file (freetype.o) is 52 Kb, instead of the */ |
| /* previous 57 Kb (size of all combined .o files), and gives */ |
| /* a better idea of the engine's real code size. */ |
| /* */ |
| /* It is called a "MAKE_OPTION" because the macro must be */ |
| /* defined in the Makefile, rather than this one. It allows */ |
| /* any developer to quickly switch from one mode to the other */ |
| /* without messing with "ttconfig.h" each time. */ |
| /* */ |
| #ifndef TT_MAKE_OPTION_SINGLE_OBJECT |
| #define LOCAL_FUNC /* void */ |
| #define LOCAL_DEF extern |
| #else |
| #define LOCAL_FUNC static |
| #define LOCAL_DEF static |
| #endif |
| |
| |
| /*************************************************************************/ |
| /* Define EXPORT_DEF and EXPORT_FUNC as needed to build e.g. a DLL. All */ |
| /* variables and functions visible from outside have these prefixes. */ |
| |
| #ifndef EXPORT_DEF |
| #define EXPORT_DEF extern |
| #endif |
| |
| #ifndef EXPORT_FUNC |
| #define EXPORT_FUNC /* void */ |
| #endif |
| |
| |
| |
| /* -------------- internal (developer) configuration toggles ------------ */ |
| |
| |
| #undef TT_STATIC_INTERPRETER |
| /* Do not undefine this configuration macro. It is now a default that */ |
| /* must be kept in all release builds. */ |
| |
| |
| #undef TT_STATIC_RASTER |
| /* Define this if you want to generate a static raster. This makes */ |
| /* a non re-entrant version of the scan-line converter, which is */ |
| /* about 10% faster and 50% bigger than an indirect one! */ |
| |
| |
| #endif /* TTCONFIG_H */ |
| |
| |
| /* END */ |