freetype2/config/ansi/ftoption.h

163 lines
9.6 KiB
C

#ifndef FTOPTION_H
#define FTOPTION_H
/*************************************************************************/
/* */
/* USER-SELECTABLE CONFIGURATION MACROS */
/* */
/* These macros can be toggled by developers to enable or disable */
/* certain aspects of FreeType. This file contains macros that apply to */
/* all of FreeType. Driver-specific configurations are placed in each */
/* driver directory (e.g. `freetype/drivers/ttlib/ttconfig.h'). */
/* */
/*************************************************************************/
/*************************************************************************/
/* */
/* Alternate Glyph Image Format support */
/* */
/* By default, the glyph images returned by the FreeType glyph loader */
/* can either be a pixmap or a vectorial outline defined through */
/* bezier control points. When defining the following configuration */
/* macro, some font drivers will be able to register alternate */
/* glyph image formats. */
/* */
/* Unset this macro if you're sure that you'll never use a font driver */
/* with an alternate glyph format, this will reduce the size of the */
/* base layer code. */
/* */
#define FT_CONFIG_OPTION_ALTERNATE_GLYPH_FORMATS
/*************************************************************************/
/* */
/* GCC provides the non-ANSI `long long' 64-bit type. You can activate */
/* it by defining the FTCALC_USE_LONG_LONG macro here. Note however */
/* that we did not experience any improvement in speed with gcc, and */
/* that the final code seems bigger when linked. */
/* */
#undef FTCALC_USE_LONG_LONG
/*************************************************************************/
/* */
/* When compiling FreeType as a DLL, some systems/compilers need a */
/* special keyword in front of each function definition instead of */
/* `extern'. */
/* */
/* The macros EXPORT_DEF and EXPORT_FUNC are thus used to define */
/* exported library function interfaces and exported library functions */
/* implementations respectively. */
/* */
/* If not defined here, they automatically default to `extern' and void */
/* later in this header file. */
/* */
#undef EXPORT_DEF
#undef EXPORT_FUNC
/*************************************************************************/
/* */
/* Debug level */
/* */
/* FreeType can be compiled in debug or trace mode. In debug mode, */
/* errors are reported through the `ftdebug' component. In trace */
/* mode, additional messages are sent to the standard output during */
/* execution. */
/* */
/* Define FT_DEBUG_LEVEL_ERROR to build the library in debug mode. */
/* Define FT_DEBUG_LEVEL_TRACE to build it in trace mode. */
/* */
/* Don't define any of these macros to compile in `release' mode. */
/* */
#undef FT_DEBUG_LEVEL_ERROR
#undef FT_DEBUG_LEVEL_TRACE
/*************************************************************************/
/* */
/* Anti-aliasing support */
/* */
/* Undefine this macro only if you want to disable the anti-aliasing */
/* support in FreeType. This will save you about 5 Kb of code. It */
/* may be important for some embedded systems. */
/* */
#define FT_CONFIG_OPTION_ANTI_ALIAS
/*************************************************************************/
/* */
/* Endianess performance improvement */
/* */
/* FreeType is completely endian-independent, and can thus be compiled */
/* directly on _any_ machine. However, some components of the library */
/* provide improved routines for the cases where endianess is known. */
/* */
/* It usually results in speed-ups and reduced code size. Note that */
/* you should not define both of these macros. */
/* */
/* */
/* NOTE: For now, only the scan-line converter (base/ftraster.c) uses */
/* these macros to speed-up some anti-alias rendering routines. */
/* */
#undef FT_CONFIG_OPTION_LITTLE_ENDIAN
#undef FT_CONFIG_OPTION_BIG_ENDIAN
/*************************************************************************/
/* */
/* Define this configuration macro whenever you want to build a version */
/* of FreeType that does not include a default `system' component. */
/* */
/* Note that this will prevent the compilation of `ftinit', hence the */
/* function FT_Init_FreeType */
/* */
#undef FT_CONFIG_OPTION_NO_DEFAULT_SYSTEM
/*************************************************************************/
/* */
/* The size in bytes of the render pool used by the scan-line */
/* converter to do all of its work. */
/* */
/* This must be greater than 4 Kb */
/* */
#define FT_RENDER_POOL_SIZE 32768
/*************************************************************************/
/* */
/* FT_MAX_DRIVERS */
/* */
/* The maximum number of font drivers that can be registered in a */
/* single FreeType library object. 8 seems to be a good choice due */
/* to the relative low actual number of drivers ;-) */
/* */
#define FT_MAX_DRIVERS 8
/*************************************************************************/
/* */
/* FT_MAX_EXTENSIONS */
/* */
/* The maximum number of extensions that can be registered in a */
/* single font driver. 8 seems to be a good choice for now.. */
/* */
#define FT_MAX_EXTENSIONS 8
/*************************************************************************/
/* */
/* FT_MAX_GLYPH_FORMATS */
/* */
/* The maximum number of glyph image formats that might be registered */
/* in a given library instance. 8 seems to be a good choice due to */
/* the relatively low number of current formats ;-) */
/* */
#define FT_MAX_GLYPH_FORMATS 8
#endif /* FTOPTION_H */