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