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[freetype2] master 48f93e6: * devel/ftoption.h: Synchronize with master
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From: |
Werner LEMBERG |
|
Subject: |
[freetype2] master 48f93e6: * devel/ftoption.h: Synchronize with master `ftoption.h'. |
|
Date: |
Tue, 4 Sep 2018 15:32:47 -0400 (EDT) |
branch: master
commit 48f93e648ede94232645aadc9274572e86639cd5
Author: Werner Lemberg <address@hidden>
Commit: Werner Lemberg <address@hidden>
* devel/ftoption.h: Synchronize with master `ftoption.h'.
---
ChangeLog | 4 +
devel/ftoption.h | 596 +++++++++++++++++++++++++++----------------------------
2 files changed, 301 insertions(+), 299 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index df89cdb..a2833ae 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2018-09-04 Werner Lemberg <address@hidden>
+
+ * devel/ftoption.h: Synchronize with master `ftoption.h'.
+
2018-09-03 Nikhil Ramakrishnan <address@hidden>
[docwriter] Don't break code snippets accross lines.
diff --git a/devel/ftoption.h b/devel/ftoption.h
index ab7968d..99c1edb 100644
--- a/devel/ftoption.h
+++ b/devel/ftoption.h
@@ -29,39 +29,39 @@ FT_BEGIN_HEADER
*
* USER-SELECTABLE CONFIGURATION MACROS
*
- * This file contains the default configuration macro definitions for
- * a standard build of the FreeType library. There are three ways to
- * use this file to build project-specific versions of the library:
+ * This file contains the default configuration macro definitions for a
+ * standard build of the FreeType library. There are three ways to use
+ * this file to build project-specific versions of the library:
*
* - You can modify this file by hand, but this is not recommended in
- * cases where you would like to build several versions of the
- * library from a single source directory.
+ * cases where you would like to build several versions of the library
+ * from a single source directory.
*
* - You can put a copy of this file in your build directory, more
- * precisely in `$BUILD/freetype/config/ftoption.h', where `$BUILD'
- * is the name of a directory that is included _before_ the FreeType
- * include path during compilation.
+ * precisely in `$BUILD/freetype/config/ftoption.h`, where `$BUILD` is
+ * the name of a directory that is included _before_ the FreeType include
+ * path during compilation.
*
- * The default FreeType Makefiles and Jamfiles use the build
- * directory `builds/<system>' by default, but you can easily change
- * that for your own projects.
+ * The default FreeType Makefiles and Jamfiles use the build directory
+ * `builds/<system>` by default, but you can easily change that for your
+ * own projects.
*
- * - Copy the file <ft2build.h> to `$BUILD/ft2build.h' and modify it
- * slightly to pre-define the macro FT_CONFIG_OPTIONS_H used to
- * locate this file during the build. For example,
+ * - Copy the file <ft2build.h> to `$BUILD/ft2build.h` and modify it
+ * slightly to pre-define the macro `FT_CONFIG_OPTIONS_H` used to locate
+ * this file during the build. For example,
*
- * {
+ * ```
* #define FT_CONFIG_OPTIONS_H <myftoptions.h>
* #include <freetype/config/ftheader.h>
- * }
+ * ```
*
- * will use `$BUILD/myftoptions.h' instead of this file for macro
+ * will use `$BUILD/myftoptions.h` instead of this file for macro
* definitions.
*
* Note also that you can similarly pre-define the macro
- * FT_CONFIG_MODULES_H used to locate the file listing of the modules
+ * `FT_CONFIG_MODULES_H` used to locate the file listing of the modules
* that are statically linked to the library at compile time. By
- * default, this file is <freetype/config/ftmodule.h>.
+ * default, this file is `<freetype/config/ftmodule.h>`.
*
* We highly recommend using the third method whenever possible.
*
@@ -80,18 +80,18 @@ FT_BEGIN_HEADER
/*#************************************************************************
*
* If you enable this configuration option, FreeType recognizes an
- * environment variable called `FREETYPE_PROPERTIES', which can be used to
+ * environment variable called `FREETYPE_PROPERTIES`, which can be used to
* control the various font drivers and modules. The controllable
* properties are listed in the section @properties.
*
* You have to undefine this configuration option on platforms that lack
- * the concept of environment variables (and thus don't have the `getenv'
+ * the concept of environment variables (and thus don't have the `getenv`
* function), for example Windows CE.
*
- * `FREETYPE_PROPERTIES' has the following syntax form (broken here into
+ * `FREETYPE_PROPERTIES` has the following syntax form (broken here into
* multiple lines for better readability).
*
- * {
+ * ```
* <optional whitespace>
* <module-name1> ':'
* <property-name1> '=' <property-value1>
@@ -99,15 +99,15 @@ FT_BEGIN_HEADER
* <module-name2> ':'
* <property-name2> '=' <property-value2>
* ...
- * }
+ * ```
*
* Example:
*
- * {
+ * ```
* FREETYPE_PROPERTIES=truetype:interpreter-version=35 \
* cff:no-stem-darkening=1 \
* autofitter:warping=1
- * }
+ * ```
*
*/
#define FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES
@@ -117,35 +117,34 @@ FT_BEGIN_HEADER
*
* Uncomment the line below if you want to activate LCD rendering
* technology similar to ClearType in this build of the library. This
- * technology triples the resolution in the direction color subpixels.
- * To mitigate color fringes inherent to this technology, you also need
- * to explicitly set up LCD filtering.
+ * technology triples the resolution in the direction color subpixels. To
+ * mitigate color fringes inherent to this technology, you also need to
+ * explicitly set up LCD filtering.
*
- * Note that this feature is covered by several Microsoft patents
- * and should not be activated in any default build of the library.
- * When this macro is not defined, FreeType offers alternative LCD
- * rendering technology that produces excellent output without LCD
- * filtering.
+ * Note that this feature is covered by several Microsoft patents and
+ * should not be activated in any default build of the library. When this
+ * macro is not defined, FreeType offers alternative LCD rendering
+ * technology that produces excellent output without LCD filtering.
*/
/* #define FT_CONFIG_OPTION_SUBPIXEL_RENDERING */
/**************************************************************************
*
- * Many compilers provide a non-ANSI 64-bit data type that can be used
- * by FreeType to speed up some computations. However, this will create
- * some problems when compiling the library in strict ANSI mode.
+ * Many compilers provide a non-ANSI 64-bit data type that can be used by
+ * FreeType to speed up some computations. However, this will create some
+ * problems when compiling the library in strict ANSI mode.
*
* For this reason, the use of 64-bit integers is normally disabled when
- * the __STDC__ macro is defined. You can however disable this by
- * defining the macro FT_CONFIG_OPTION_FORCE_INT64 here.
+ * the `__STDC__` macro is defined. You can however disable this by
+ * defining the macro `FT_CONFIG_OPTION_FORCE_INT64` here.
*
* For most compilers, this will only create compilation warnings when
* building the library.
*
* ObNote: The compiler-specific 64-bit integers are detected in the
- * file `ftconfig.h' either statically or through the
- * `configure' script on supported platforms.
+ * file `ftconfig.h` either statically or through the `configure`
+ * script on supported platforms.
*/
#undef FT_CONFIG_OPTION_FORCE_INT64
@@ -153,21 +152,21 @@ FT_BEGIN_HEADER
/**************************************************************************
*
* If this macro is defined, do not try to use an assembler version of
- * performance-critical functions (e.g. FT_MulFix). You should only do
- * that to verify that the assembler function works properly, or to
- * execute benchmark tests of the various implementations.
+ * performance-critical functions (e.g., @FT_MulFix). You should only do
+ * that to verify that the assembler function works properly, or to execute
+ * benchmark tests of the various implementations.
*/
/* #define FT_CONFIG_OPTION_NO_ASSEMBLER */
/**************************************************************************
*
- * If this macro is defined, try to use an inlined assembler version of
- * the `FT_MulFix' function, which is a `hotspot' when loading and
- * hinting glyphs, and which should be executed as fast as possible.
+ * If this macro is defined, try to use an inlined assembler version of the
+ * @FT_MulFix function, which is a 'hotspot' when loading and hinting
+ * glyphs, and which should be executed as fast as possible.
*
- * Note that if your compiler or CPU is not supported, this will default
- * to the standard and portable implementation found in `ftcalc.c'.
+ * Note that if your compiler or CPU is not supported, this will default to
+ * the standard and portable implementation found in `ftcalc.c`.
*/
#define FT_CONFIG_OPTION_INLINE_MULFIX
@@ -177,12 +176,12 @@ FT_BEGIN_HEADER
* LZW-compressed file support.
*
* FreeType now handles font files that have been compressed with the
- * `compress' program. This is mostly used to parse many of the PCF
+ * `compress` program. This is mostly used to parse many of the PCF
* files that come with various X11 distributions. The implementation
- * uses NetBSD's `zopen' to partially uncompress the file on the fly
- * (see src/lzw/ftgzip.c).
+ * uses NetBSD's `zopen` to partially uncompress the file on the fly (see
+ * `src/lzw/ftgzip.c`).
*
- * Define this macro if you want to enable this `feature'.
+ * Define this macro if you want to enable this 'feature'.
*/
#define FT_CONFIG_OPTION_USE_LZW
@@ -192,12 +191,12 @@ FT_BEGIN_HEADER
* Gzip-compressed file support.
*
* FreeType now handles font files that have been compressed with the
- * `gzip' program. This is mostly used to parse many of the PCF files
- * that come with XFree86. The implementation uses `zlib' to
- * partially uncompress the file on the fly (see src/gzip/ftgzip.c).
+ * `gzip` program. This is mostly used to parse many of the PCF files
+ * that come with XFree86. The implementation uses 'zlib' to partially
+ * uncompress the file on the fly (see `src/gzip/ftgzip.c`).
*
- * Define this macro if you want to enable this `feature'. See also
- * the macro FT_CONFIG_OPTION_SYSTEM_ZLIB below.
+ * Define this macro if you want to enable this 'feature'. See also the
+ * macro `FT_CONFIG_OPTION_SYSTEM_ZLIB` below.
*/
#define FT_CONFIG_OPTION_USE_ZLIB
@@ -206,23 +205,23 @@ FT_BEGIN_HEADER
*
* ZLib library selection
*
- * This macro is only used when FT_CONFIG_OPTION_USE_ZLIB is defined.
- * It allows FreeType's `ftgzip' component to link to the system's
+ * This macro is only used when `FT_CONFIG_OPTION_USE_ZLIB` is defined.
+ * It allows FreeType's 'ftgzip' component to link to the system's
* installation of the ZLib library. This is useful on systems like
* Unix or VMS where it generally is already available.
*
- * If you let it undefined, the component will use its own copy
- * of the zlib sources instead. These have been modified to be
- * included directly within the component and *not* export external
- * function names. This allows you to link any program with FreeType
- * _and_ ZLib without linking conflicts.
+ * If you let it undefined, the component will use its own copy of the
+ * zlib sources instead. These have been modified to be included
+ * directly within the component and **not** export external function
+ * names. This allows you to link any program with FreeType _and_ ZLib
+ * without linking conflicts.
*
- * Do not #undef this macro here since the build system might define
+ * Do not `#undef` this macro here since the build system might define
* it for certain configurations only.
*
- * If you use a build system like cmake or the `configure' script,
- * options set by those programs have precedence, overwriting the
- * value here with the configured one.
+ * If you use a build system like cmake or the `configure` script,
+ * options set by those programs have precedence, overwriting the value
+ * here with the configured one.
*/
/* #define FT_CONFIG_OPTION_SYSTEM_ZLIB */
@@ -232,28 +231,28 @@ FT_BEGIN_HEADER
* Bzip2-compressed file support.
*
* FreeType now handles font files that have been compressed with the
- * `bzip2' program. This is mostly used to parse many of the PCF
- * files that come with XFree86. The implementation uses `libbz2' to
- * partially uncompress the file on the fly (see src/bzip2/ftbzip2.c).
- * Contrary to gzip, bzip2 currently is not included and need to use
- * the system available bzip2 implementation.
+ * `bzip2` program. This is mostly used to parse many of the PCF files
+ * that come with XFree86. The implementation uses `libbz2` to partially
+ * uncompress the file on the fly (see `src/bzip2/ftbzip2.c`). Contrary
+ * to gzip, bzip2 currently is not included and need to use the system
+ * available bzip2 implementation.
*
- * Define this macro if you want to enable this `feature'.
+ * Define this macro if you want to enable this 'feature'.
*
- * If you use a build system like cmake or the `configure' script,
- * options set by those programs have precedence, overwriting the
- * value here with the configured one.
+ * If you use a build system like cmake or the `configure` script,
+ * options set by those programs have precedence, overwriting the value
+ * here with the configured one.
*/
#define FT_CONFIG_OPTION_USE_BZIP2
/**************************************************************************
*
- * Define to disable the use of file stream functions and types, FILE,
- * fopen() etc. Enables the use of smaller system libraries on embedded
- * systems that have multiple system libraries, some with or without
- * file stream support, in the cases where file stream support is not
- * necessary such as memory loading of font files.
+ * Define to disable the use of file stream functions and types, `FILE`,
+ * `fopen`, etc. Enables the use of smaller system libraries on embedded
+ * systems that have multiple system libraries, some with or without file
+ * stream support, in the cases where file stream support is not necessary
+ * such as memory loading of font files.
*/
/* #define FT_CONFIG_OPTION_DISABLE_STREAM_SUPPORT */
@@ -264,14 +263,14 @@ FT_BEGIN_HEADER
*
* FreeType now handles loading color bitmap glyphs in the PNG format.
* This requires help from the external libpng library. Uncompressed
- * color bitmaps do not need any external libraries and will be
- * supported regardless of this configuration.
+ * color bitmaps do not need any external libraries and will be supported
+ * regardless of this configuration.
*
- * Define this macro if you want to enable this `feature'.
+ * Define this macro if you want to enable this 'feature'.
*
- * If you use a build system like cmake or the `configure' script,
- * options set by those programs have precedence, overwriting the
- * value here with the configured one.
+ * If you use a build system like cmake or the `configure` script,
+ * options set by those programs have precedence, overwriting the value
+ * here with the configured one.
*/
#define FT_CONFIG_OPTION_USE_PNG
@@ -280,15 +279,15 @@ FT_BEGIN_HEADER
*
* HarfBuzz support.
*
- * FreeType uses the HarfBuzz library to improve auto-hinting of
- * OpenType fonts. If available, many glyphs not directly addressable
- * by a font's character map will be hinted also.
+ * FreeType uses the HarfBuzz library to improve auto-hinting of OpenType
+ * fonts. If available, many glyphs not directly addressable by a font's
+ * character map will be hinted also.
*
- * Define this macro if you want to enable this `feature'.
+ * Define this macro if you want to enable this 'feature'.
*
- * If you use a build system like cmake or the `configure' script,
- * options set by those programs have precedence, overwriting the
- * value here with the configured one.
+ * If you use a build system like cmake or the `configure` script,
+ * options set by those programs have precedence, overwriting the value
+ * here with the configured one.
*/
#define FT_CONFIG_OPTION_USE_HARFBUZZ
@@ -297,23 +296,23 @@ FT_BEGIN_HEADER
*
* Glyph Postscript Names handling
*
- * By default, FreeType 2 is compiled with the `psnames' module. This
- * module is in charge of converting a glyph name string into a
- * Unicode value, or return a Macintosh standard glyph name for the
- * use with the TrueType `post' table.
+ * By default, FreeType 2 is compiled with the 'psnames' module. This
+ * module is in charge of converting a glyph name string into a Unicode
+ * value, or return a Macintosh standard glyph name for the use with the
+ * TrueType `post` table.
*
- * Undefine this macro if you do not want `psnames' compiled in your
+ * Undefine this macro if you do not want 'psnames' compiled in your
* build of FreeType. This has the following effects:
*
- * - The TrueType driver will provide its own set of glyph names,
- * if you build it to support postscript names in the TrueType
- * `post' table, but will not synthesize a missing Unicode charmap.
+ * - The TrueType driver will provide its own set of glyph names, if you
+ * build it to support postscript names in the TrueType `post` table,
+ * but will not synthesize a missing Unicode charmap.
*
- * - The Type 1 driver will not be able to synthesize a Unicode
- * charmap out of the glyphs found in the fonts.
+ * - The Type~1 driver will not be able to synthesize a Unicode charmap
+ * out of the glyphs found in the fonts.
*
- * You would normally undefine this configuration macro when building
- * a version of FreeType that doesn't contain a Type 1 or CFF driver.
+ * You would normally undefine this configuration macro when building a
+ * version of FreeType that doesn't contain a Type~1 or CFF driver.
*/
#define FT_CONFIG_OPTION_POSTSCRIPT_NAMES
@@ -322,16 +321,15 @@ FT_BEGIN_HEADER
*
* Postscript Names to Unicode Values support
*
- * By default, FreeType 2 is built with the `PSNames' module compiled
- * in. Among other things, the module is used to convert a glyph name
- * into a Unicode value. This is especially useful in order to
- * synthesize on the fly a Unicode charmap from the CFF/Type 1 driver
- * through a big table named the `Adobe Glyph List' (AGL).
+ * By default, FreeType~2 is built with the 'psnames' module compiled in.
+ * Among other things, the module is used to convert a glyph name into a
+ * Unicode value. This is especially useful in order to synthesize on
+ * the fly a Unicode charmap from the CFF/Type~1 driver through a big
+ * table named the 'Adobe Glyph List' (AGL).
*
- * Undefine this macro if you do not want the Adobe Glyph List
- * compiled in your `PSNames' module. The Type 1 driver will not be
- * able to synthesize a Unicode charmap out of the glyphs found in the
- * fonts.
+ * Undefine this macro if you do not want the Adobe Glyph List compiled
+ * in your 'psnames' module. The Type~1 driver will not be able to
+ * synthesize a Unicode charmap out of the glyphs found in the fonts.
*/
#define FT_CONFIG_OPTION_ADOBE_GLYPH_LIST
@@ -340,11 +338,11 @@ FT_BEGIN_HEADER
*
* Support for Mac fonts
*
- * Define this macro if you want support for outline fonts in Mac
- * format (mac dfont, mac resource, macbinary containing a mac
- * resource) on non-Mac platforms.
+ * Define this macro if you want support for outline fonts in Mac format
+ * (mac dfont, mac resource, macbinary containing a mac resource) on
+ * non-Mac platforms.
*
- * Note that the `FOND' resource isn't checked.
+ * Note that the `FOND` resource isn't checked.
*/
#define FT_CONFIG_OPTION_MAC_FONTS
@@ -358,13 +356,12 @@ FT_BEGIN_HEADER
* Resource forks which include fonts data are stored sometimes in
* locations which users or developers don't expected. In some cases,
* resource forks start with some offset from the head of a file. In
- * other cases, the actual resource fork is stored in file different
- * from what the user specifies. If this option is activated,
- * FreeType tries to guess whether such offsets or different file
- * names must be used.
+ * other cases, the actual resource fork is stored in file different from
+ * what the user specifies. If this option is activated, FreeType tries
+ * to guess whether such offsets or different file names must be used.
*
* Note that normal, direct access of resource forks is controlled via
- * the FT_CONFIG_OPTION_MAC_FONTS option.
+ * the `FT_CONFIG_OPTION_MAC_FONTS` option.
*/
#ifdef FT_CONFIG_OPTION_MAC_FONTS
#define FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK
@@ -373,19 +370,19 @@ FT_BEGIN_HEADER
/**************************************************************************
*
- * Allow the use of FT_Incremental_Interface to load typefaces that
- * contain no glyph data, but supply it via a callback function.
- * This is required by clients supporting document formats which
- * supply font data incrementally as the document is parsed, such
- * as the Ghostscript interpreter for the PostScript language.
+ * Allow the use of `FT_Incremental_Interface` to load typefaces that
+ * contain no glyph data, but supply it via a callback function. This is
+ * required by clients supporting document formats which supply font data
+ * incrementally as the document is parsed, such as the Ghostscript
+ * interpreter for the PostScript language.
*/
#define FT_CONFIG_OPTION_INCREMENTAL
/**************************************************************************
*
- * The size in bytes of the render pool used by the scan-line converter
- * to do all of its work.
+ * The size in bytes of the render pool used by the scan-line converter to
+ * do all of its work.
*/
#define FT_RENDER_POOL_SIZE 16384L
@@ -395,7 +392,7 @@ FT_BEGIN_HEADER
* FT_MAX_MODULES
*
* The maximum number of modules that can be registered in a single
- * FreeType library object. 32 is the default.
+ * FreeType library object. 32~is the default.
*/
#define FT_MAX_MODULES 32
@@ -405,16 +402,15 @@ FT_BEGIN_HEADER
* 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.
+ * 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.
+ * 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!
+ * Don't define any of these macros to compile in 'release' mode!
*
- * Do not #undef these macros here since the build system might define
+ * Do not `#undef` these macros here since the build system might define
* them for certain configurations only.
*/
#define FT_DEBUG_LEVEL_ERROR
@@ -425,38 +421,38 @@ FT_BEGIN_HEADER
*
* Autofitter debugging
*
- * If FT_DEBUG_AUTOFIT is defined, FreeType provides some means to
+ * If `FT_DEBUG_AUTOFIT` is defined, FreeType provides some means to
* control the autofitter behaviour for debugging purposes with global
- * boolean variables (consequently, you should *never* enable this
- * while compiling in `release' mode):
+ * boolean variables (consequently, you should **never** enable this
+ * while compiling in 'release' mode):
*
- * {
+ * ```
* _af_debug_disable_horz_hints
* _af_debug_disable_vert_hints
* _af_debug_disable_blue_hints
- * }
+ * ```
*
* Additionally, the following functions provide dumps of various
- * internal autofit structures to stdout (using `printf'):
+ * internal autofit structures to stdout (using `printf`):
*
- * {
+ * ```
* af_glyph_hints_dump_points
* af_glyph_hints_dump_segments
* af_glyph_hints_dump_edges
* af_glyph_hints_get_num_segments
* af_glyph_hints_get_segment_offset
- * }
+ * ```
*
* As an argument, they use another global variable:
*
- * {
+ * ```
* _af_debug_hints
- * }
+ * ```
*
- * Please have a look at the `ftgrid' demo program to see how those
+ * Please have a look at the `ftgrid` demo program to see how those
* variables and macros should be used.
*
- * Do not #undef these macros here since the build system might define
+ * Do not `#undef` these macros here since the build system might define
* them for certain configurations only.
*/
#define FT_DEBUG_AUTOFIT
@@ -466,16 +462,16 @@ FT_BEGIN_HEADER
*
* Memory Debugging
*
- * FreeType now comes with an integrated memory debugger that is
- * capable of detecting simple errors like memory leaks or double
- * deletes. To compile it within your build of the library, you
- * should define FT_DEBUG_MEMORY here.
+ * FreeType now comes with an integrated memory debugger that is capable
+ * of detecting simple errors like memory leaks or double deletes. To
+ * compile it within your build of the library, you should define
+ * `FT_DEBUG_MEMORY` here.
*
- * Note that the memory debugger is only activated at runtime when
- * when the _environment_ variable `FT2_DEBUG_MEMORY' is defined also!
+ * Note that the memory debugger is only activated at runtime when when
+ * the _environment_ variable `FT2_DEBUG_MEMORY` is defined also!
*
- * Do not #undef this macro here since the build system might define
- * it for certain configurations only.
+ * Do not `#undef` this macro here since the build system might define it
+ * for certain configurations only.
*/
#define FT_DEBUG_MEMORY
@@ -484,15 +480,15 @@ FT_BEGIN_HEADER
*
* Module errors
*
- * If this macro is set (which is _not_ the default), the higher byte
- * of an error code gives the module in which the error has occurred,
- * while the lower byte is the real error code.
+ * If this macro is set (which is _not_ the default), the higher byte of
+ * an error code gives the module in which the error has occurred, while
+ * the lower byte is the real error code.
*
- * Setting this macro makes sense for debugging purposes only, since
- * it would break source compatibility of certain programs that use
- * FreeType 2.
+ * Setting this macro makes sense for debugging purposes only, since it
+ * would break source compatibility of certain programs that use
+ * FreeType~2.
*
- * More details can be found in the files ftmoderr.h and fterrors.h.
+ * More details can be found in the files `ftmoderr.h` and `fterrors.h`.
*/
#undef FT_CONFIG_OPTION_USE_MODULE_ERRORS
@@ -501,11 +497,11 @@ FT_BEGIN_HEADER
*
* Error Strings
*
- * If this macro is set, `FT_Error_String' will return meaningful
+ * If this macro is set, `FT_Error_String` will return meaningful
* descriptions. This is not enabled by default to reduce the overall
* size of FreeType.
*
- * More details can be found in the file fterrors.h.
+ * More details can be found in the file `fterrors.h`.
*/
/* #define FT_CONFIG_OPTION_ERROR_STRINGS */
@@ -521,47 +517,47 @@ FT_BEGIN_HEADER
/**************************************************************************
*
- * Define TT_CONFIG_OPTION_EMBEDDED_BITMAPS if you want to support
- * embedded bitmaps in all formats using the SFNT module (namely
- * TrueType & OpenType).
+ * Define `TT_CONFIG_OPTION_EMBEDDED_BITMAPS` if you want to support
+ * embedded bitmaps in all formats using the 'sfnt' module (namely
+ * TrueType~& OpenType).
*/
#define TT_CONFIG_OPTION_EMBEDDED_BITMAPS
/**************************************************************************
*
- * Define TT_CONFIG_OPTION_COLOR_LAYERS if you want to support coloured
- * outlines (from the COLR/CPAL tables) in all formats using the SFNT
- * module (namely TrueType & OpenType).
+ * Define `TT_CONFIG_OPTION_COLOR_LAYERS` if you want to support coloured
+ * outlines (from the `COLR`/`CPAL` tables) in all formats using the 'sfnt'
+ * module (namely TrueType~& OpenType).
*/
#define TT_CONFIG_OPTION_COLOR_LAYERS
/**************************************************************************
*
- * Define TT_CONFIG_OPTION_POSTSCRIPT_NAMES if you want to be able to
- * load and enumerate the glyph Postscript names in a TrueType or
- * OpenType file.
+ * Define `TT_CONFIG_OPTION_POSTSCRIPT_NAMES` if you want to be able to
+ * load and enumerate the glyph Postscript names in a TrueType or OpenType
+ * file.
*
- * Note that when you do not compile the `PSNames' module by undefining
- * the above FT_CONFIG_OPTION_POSTSCRIPT_NAMES, the `sfnt' module will
+ * Note that when you do not compile the 'psnames' module by undefining the
+ * above `FT_CONFIG_OPTION_POSTSCRIPT_NAMES`, the 'sfnt' module will
* contain additional code used to read the PS Names table from a font.
*
- * (By default, the module uses `PSNames' to extract glyph names.)
+ * (By default, the module uses 'psnames' to extract glyph names.)
*/
#define TT_CONFIG_OPTION_POSTSCRIPT_NAMES
/**************************************************************************
*
- * Define TT_CONFIG_OPTION_SFNT_NAMES if your applications need to
- * access the internal name table in a SFNT-based format like TrueType
- * or OpenType. The name table contains various strings used to
- * describe the font, like family name, copyright, version, etc. It
- * does not contain any glyph name though.
+ * Define `TT_CONFIG_OPTION_SFNT_NAMES` if your applications need to access
+ * the internal name table in a SFNT-based format like TrueType or
+ * OpenType. The name table contains various strings used to describe the
+ * font, like family name, copyright, version, etc. It does not contain
+ * any glyph name though.
*
* Accessing SFNT names is done through the functions declared in
- * `ftsnames.h'.
+ * `ftsnames.h`.
*/
#define TT_CONFIG_OPTION_SFNT_NAMES
@@ -594,54 +590,53 @@ FT_BEGIN_HEADER
/**************************************************************************
*
- * Define TT_CONFIG_OPTION_BYTECODE_INTERPRETER if you want to compile
- * a bytecode interpreter in the TrueType driver.
+ * Define `TT_CONFIG_OPTION_BYTECODE_INTERPRETER` if you want to compile a
+ * bytecode interpreter in the TrueType driver.
*
* By undefining this, you will only compile the code necessary to load
* TrueType glyphs without hinting.
*
- * Do not #undef this macro here, since the build system might
- * define it for certain configurations only.
+ * Do not `#undef` this macro here, since the build system might define it
+ * for certain configurations only.
*/
#define TT_CONFIG_OPTION_BYTECODE_INTERPRETER
/**************************************************************************
*
- * Define TT_CONFIG_OPTION_SUBPIXEL_HINTING if you want to compile
+ * Define `TT_CONFIG_OPTION_SUBPIXEL_HINTING` if you want to compile
* subpixel hinting support into the TrueType driver. This modifies the
- * TrueType hinting mechanism when anything but FT_RENDER_MODE_MONO is
+ * TrueType hinting mechanism when anything but `FT_RENDER_MODE_MONO` is
* requested.
*
* In particular, it modifies the bytecode interpreter to interpret (or
- * not) instructions in a certain way so that all TrueType fonts look
- * like they do in a Windows ClearType (DirectWrite) environment. See
- * [1] for a technical overview on what this means. See `ttinterp.h'
- * for more details on the LEAN option.
+ * not) instructions in a certain way so that all TrueType fonts look like
+ * they do in a Windows ClearType (DirectWrite) environment. See [1] for a
+ * technical overview on what this means. See `ttinterp.h` for more
+ * details on the LEAN option.
*
* There are three possible values.
*
* Value 1:
- * This value is associated with the `Infinality' moniker,
- * contributed by an individual nicknamed Infinality with the goal of
- * making TrueType fonts render better than on Windows. A high
- * amount of configurability and flexibility, down to rules for
- * single glyphs in fonts, but also very slow. Its experimental and
- * slow nature and the original developer losing interest meant that
- * this option was never enabled in default builds.
+ * This value is associated with the 'Infinality' moniker, contributed by
+ * an individual nicknamed Infinality with the goal of making TrueType
+ * fonts render better than on Windows. A high amount of configurability
+ * and flexibility, down to rules for single glyphs in fonts, but also
+ * very slow. Its experimental and slow nature and the original
+ * developer losing interest meant that this option was never enabled in
+ * default builds.
*
* The corresponding interpreter version is v38.
*
* Value 2:
* The new default mode for the TrueType driver. The Infinality code
- * base was stripped to the bare minimum and all configurability
- * removed in the name of speed and simplicity. The configurability
- * was mainly aimed at legacy fonts like Arial, Times New Roman, or
- * Courier. Legacy fonts are fonts that modify vertical stems to
- * achieve clean black-and-white bitmaps. The new mode focuses on
- * applying a minimal set of rules to all fonts indiscriminately so
- * that modern and web fonts render well while legacy fonts render
- * okay.
+ * base was stripped to the bare minimum and all configurability removed
+ * in the name of speed and simplicity. The configurability was mainly
+ * aimed at legacy fonts like 'Arial', 'Times New Roman', or 'Courier'.
+ * Legacy fonts are fonts that modify vertical stems to achieve clean
+ * black-and-white bitmaps. The new mode focuses on applying a minimal
+ * set of rules to all fonts indiscriminately so that modern and web
+ * fonts render well while legacy fonts render okay.
*
* The corresponding interpreter version is v40.
*
@@ -649,18 +644,18 @@ FT_BEGIN_HEADER
* Compile both, making both v38 and v40 available (the latter is the
* default).
*
- * By undefining these, you get rendering behavior like on Windows
- * without ClearType, i.e., Windows XP without ClearType enabled and
- * Win9x (interpreter version v35). Or not, depending on how much
- * hinting blood and testing tears the font designer put into a given
- * font. If you define one or both subpixel hinting options, you can
- * switch between between v35 and the ones you define (using
- * `FT_Property_Set').
+ * By undefining these, you get rendering behavior like on Windows without
+ * ClearType, i.e., Windows XP without ClearType enabled and Win9x
+ * (interpreter version v35). Or not, depending on how much hinting blood
+ * and testing tears the font designer put into a given font. If you
+ * define one or both subpixel hinting options, you can switch between
+ * between v35 and the ones you define (using `FT_Property_Set`).
*
- * This option requires TT_CONFIG_OPTION_BYTECODE_INTERPRETER to be
+ * This option requires `TT_CONFIG_OPTION_BYTECODE_INTERPRETER` to be
* defined.
*
- * [1] https://www.microsoft.com/typography/cleartype/truetypecleartype.aspx
+ * [1]
+ * https://www.microsoft.com/typography/cleartype/truetypecleartype.aspx
*/
/* #define TT_CONFIG_OPTION_SUBPIXEL_HINTING 1 */
/* #define TT_CONFIG_OPTION_SUBPIXEL_HINTING 2 */
@@ -669,16 +664,16 @@ FT_BEGIN_HEADER
/**************************************************************************
*
- * Define TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED to compile the
+ * Define `TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED` to compile the
* TrueType glyph loader to use Apple's definition of how to handle
* component offsets in composite glyphs.
*
- * Apple and MS disagree on the default behavior of component offsets
- * in composites. Apple says that they should be scaled by the scaling
- * factors in the transformation matrix (roughly, it's more complex)
- * while MS says they should not. OpenType defines two bits in the
- * composite flags array which can be used to disambiguate, but old
- * fonts will not have them.
+ * Apple and MS disagree on the default behavior of component offsets in
+ * composites. Apple says that they should be scaled by the scaling
+ * factors in the transformation matrix (roughly, it's more complex) while
+ * MS says they should not. OpenType defines two bits in the composite
+ * flags array which can be used to disambiguate, but old fonts will not
+ * have them.
*
* https://www.microsoft.com/typography/otspec/glyf.htm
*
https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6glyf.html
@@ -688,34 +683,34 @@ FT_BEGIN_HEADER
/**************************************************************************
*
- * Define TT_CONFIG_OPTION_GX_VAR_SUPPORT if you want to include
- * support for Apple's distortable font technology (fvar, gvar, cvar,
- * and avar tables). This has many similarities to Type 1 Multiple
- * Masters support.
+ * Define `TT_CONFIG_OPTION_GX_VAR_SUPPORT` if you want to include support
+ * for Apple's distortable font technology (`fvar`, `gvar`, `cvar`, and
+ * `avar` tables). Tagged 'Font Variations', this is now part of OpenType
+ * also. This has many similarities to Type~1 Multiple Masters support.
*/
#define TT_CONFIG_OPTION_GX_VAR_SUPPORT
/**************************************************************************
*
- * Define TT_CONFIG_OPTION_BDF if you want to include support for
- * an embedded `BDF ' table within SFNT-based bitmap formats.
+ * Define `TT_CONFIG_OPTION_BDF` if you want to include support for an
+ * embedded `BDF ` table within SFNT-based bitmap formats.
*/
#define TT_CONFIG_OPTION_BDF
/**************************************************************************
*
- * Option TT_CONFIG_OPTION_MAX_RUNNABLE_OPCODES controls the maximum
+ * Option `TT_CONFIG_OPTION_MAX_RUNNABLE_OPCODES` controls the maximum
* number of bytecode instructions executed for a single run of the
- * bytecode interpreter, needed to prevent infinite loops. You don't
- * want to change this except for very special situations (e.g., making
- * a library fuzzer spend less time to handle broken fonts).
+ * bytecode interpreter, needed to prevent infinite loops. You don't want
+ * to change this except for very special situations (e.g., making a
+ * library fuzzer spend less time to handle broken fonts).
*
* It is not expected that this value is ever modified by a configuring
- * script; instead, it gets surrounded with #ifndef ... #endif so that
- * the value can be set as a preprocessor option on the compiler's
- * command line.
+ * script; instead, it gets surrounded with `#ifndef ... #endif` so that
+ * the value can be set as a preprocessor option on the compiler's command
+ * line.
*/
#ifndef TT_CONFIG_OPTION_MAX_RUNNABLE_OPCODES
#define TT_CONFIG_OPTION_MAX_RUNNABLE_OPCODES 1000000L
@@ -733,16 +728,15 @@ FT_BEGIN_HEADER
/**************************************************************************
*
- * T1_MAX_DICT_DEPTH is the maximum depth of nest dictionaries and
- * arrays in the Type 1 stream (see t1load.c). A minimum of 4 is
- * required.
+ * `T1_MAX_DICT_DEPTH` is the maximum depth of nest dictionaries and arrays
+ * in the Type~1 stream (see `t1load.c`). A minimum of~4 is required.
*/
#define T1_MAX_DICT_DEPTH 5
/**************************************************************************
*
- * T1_MAX_SUBRS_CALLS details the maximum number of nested sub-routine
+ * `T1_MAX_SUBRS_CALLS` details the maximum number of nested sub-routine
* calls during glyph loading.
*/
#define T1_MAX_SUBRS_CALLS 16
@@ -750,19 +744,20 @@ FT_BEGIN_HEADER
/**************************************************************************
*
- * T1_MAX_CHARSTRING_OPERANDS is the charstring stack's capacity. A
- * minimum of 16 is required.
+ * `T1_MAX_CHARSTRING_OPERANDS` is the charstring stack's capacity. A
+ * minimum of~16 is required.
*
- * The Chinese font MingTiEG-Medium (CNS 11643 character set) needs 256.
+ * The Chinese font 'MingTiEG-Medium' (covering a CNS 11643 character set)
+ * needs 256.
*/
#define T1_MAX_CHARSTRINGS_OPERANDS 256
/**************************************************************************
*
- * Define this configuration macro if you want to prevent the
- * compilation of `t1afm', which is in charge of reading Type 1 AFM
- * files into an existing face. Note that if set, the T1 driver will be
+ * Define this configuration macro if you want to prevent the compilation
+ * of the 't1afm' module, which is in charge of reading Type~1 AFM files
+ * into an existing face. Note that if set, the Type~1 driver will be
* unable to produce kerning distances.
*/
#undef T1_CONFIG_OPTION_NO_AFM
@@ -770,19 +765,18 @@ FT_BEGIN_HEADER
/**************************************************************************
*
- * Define this configuration macro if you want to prevent the
- * compilation of the Multiple Masters font support in the Type 1
- * driver.
+ * Define this configuration macro if you want to prevent the compilation
+ * of the Multiple Masters font support in the Type~1 driver.
*/
#undef T1_CONFIG_OPTION_NO_MM_SUPPORT
/**************************************************************************
*
- * T1_CONFIG_OPTION_OLD_ENGINE controls whether the pre-Adobe Type 1
+ * `T1_CONFIG_OPTION_OLD_ENGINE` controls whether the pre-Adobe Type~1
* engine gets compiled into FreeType. If defined, it is possible to
- * switch between the two engines using the `hinting-engine' property of
- * the type1 driver module.
+ * switch between the two engines using the `hinting-engine` property of
+ * the 'type1' driver module.
*/
#define T1_CONFIG_OPTION_OLD_ENGINE
@@ -798,14 +792,13 @@ FT_BEGIN_HEADER
/**************************************************************************
*
- * Using CFF_CONFIG_OPTION_DARKENING_PARAMETER_{X,Y}{1,2,3,4} it is
+ * Using `CFF_CONFIG_OPTION_DARKENING_PARAMETER_{X,Y}{1,2,3,4}` it is
* possible to set up the default values of the four control points that
- * define the stem darkening behaviour of the (new) CFF engine. For
- * more details please read the documentation of the
- * `darkening-parameters' property (file `ftdriver.h'), which allows the
- * control at run-time.
+ * define the stem darkening behaviour of the (new) CFF engine. For more
+ * details please read the documentation of the `darkening-parameters`
+ * property (file `ftdriver.h`), which allows the control at run-time.
*
- * Do *not* undefine these macros!
+ * Do **not** undefine these macros!
*/
#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1 500
#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1 400
@@ -822,10 +815,10 @@ FT_BEGIN_HEADER
/**************************************************************************
*
- * CFF_CONFIG_OPTION_OLD_ENGINE controls whether the pre-Adobe CFF
- * engine gets compiled into FreeType. If defined, it is possible to
- * switch between the two engines using the `hinting-engine' property of
- * the cff driver module.
+ * `CFF_CONFIG_OPTION_OLD_ENGINE` controls whether the pre-Adobe CFF engine
+ * gets compiled into FreeType. If defined, it is possible to switch
+ * between the two engines using the `hinting-engine` property of the 'cff'
+ * driver module.
*/
#define CFF_CONFIG_OPTION_OLD_ENGINE
@@ -841,18 +834,18 @@ FT_BEGIN_HEADER
/**************************************************************************
*
- * There are many PCF fonts just called `Fixed' which look completely
- * different, and which have nothing to do with each other. When
- * selecting `Fixed' in KDE or Gnome one gets results that appear rather
- * random, the style changes often if one changes the size and one
- * cannot select some fonts at all. This option makes the PCF module
- * prepend the foundry name (plus a space) to the family name.
+ * There are many PCF fonts just called 'Fixed' which look completely
+ * different, and which have nothing to do with each other. When selecting
+ * 'Fixed' in KDE or Gnome one gets results that appear rather random, the
+ * style changes often if one changes the size and one cannot select some
+ * fonts at all. This option makes the 'pcf' module prepend the foundry
+ * name (plus a space) to the family name.
*
- * We also check whether we have `wide' characters; all put together, we
- * get family names like `Sony Fixed' or `Misc Fixed Wide'.
+ * We also check whether we have 'wide' characters; all put together, we
+ * get family names like 'Sony Fixed' or 'Misc Fixed Wide'.
*
* If this option is activated, it can be controlled with the
- * `no-long-family-names' property of the pcf driver module.
+ * `no-long-family-names` property of the 'pcf' driver module.
*/
#define PCF_CONFIG_OPTION_LONG_FAMILY_NAMES
@@ -868,51 +861,56 @@ FT_BEGIN_HEADER
/**************************************************************************
*
- * Compile autofit module with CJK (Chinese, Japanese, Korean) script
+ * Compile 'autofit' module with CJK (Chinese, Japanese, Korean) script
* support.
*/
#define AF_CONFIG_OPTION_CJK
+
/**************************************************************************
*
- * Compile autofit module with fallback Indic script support, covering
- * some scripts that the `latin' submodule of the autofit module doesn't
+ * Compile 'autofit' module with fallback Indic script support, covering
+ * some scripts that the 'latin' submodule of the 'autofit' module doesn't
* (yet) handle.
*/
#define AF_CONFIG_OPTION_INDIC
+
/**************************************************************************
*
- * Compile autofit module with warp hinting. The idea of the warping
- * code is to slightly scale and shift a glyph within a single dimension
- * so that as much of its segments are aligned (more or less) on the
- * grid. To find out the optimal scaling and shifting value, various
- * parameter combinations are tried and scored.
+ * Compile 'autofit' module with warp hinting. The idea of the warping
+ * code is to slightly scale and shift a glyph within a single dimension so
+ * that as much of its segments are aligned (more or less) on the grid. To
+ * find out the optimal scaling and shifting value, various parameter
+ * combinations are tried and scored.
+ *
+ * You can switch warping on and off with the `warping` property of the
+ * auto-hinter (see file `ftdriver.h` for more information; by default it
+ * is switched off).
*
- * This experimental option is active only if the rendering mode is
- * FT_RENDER_MODE_LIGHT; you can switch warping on and off with the
- * `warping' property of the auto-hinter (see file `ftdriver.h' for more
- * information; by default it is switched off).
+ * This experimental option is not active if the rendering mode is
+ * `FT_RENDER_MODE_LIGHT`.
*/
#define AF_CONFIG_OPTION_USE_WARPER
+
/**************************************************************************
*
- * Use TrueType-like size metrics for `light' auto-hinting.
+ * Use TrueType-like size metrics for 'light' auto-hinting.
*
* It is strongly recommended to avoid this option, which exists only to
- * help some legacy applications retain its appearance and behaviour
- * with respect to auto-hinted TrueType fonts.
+ * help some legacy applications retain its appearance and behaviour with
+ * respect to auto-hinted TrueType fonts.
*
* The very reason this option exists at all are GNU/Linux distributions
* like Fedora that did not un-patch the following change (which was
* present in FreeType between versions 2.4.6 and 2.7.1, inclusive).
*
- * {
+ * ```
* 2011-07-16 Steven Chu <address@hidden>
*
* [truetype] Fix metrics on size request for scalable fonts.
- * }
+ * ```
*
* This problematic commit is now reverted (more or less).
*/
@@ -922,15 +920,15 @@ FT_BEGIN_HEADER
/*
- * This macro is obsolete. Support has been removed in FreeType
- * version 2.5.
+ * This macro is obsolete. Support has been removed in FreeType version
+ * 2.5.
*/
/* #define FT_CONFIG_OPTION_OLD_INTERNALS */
/*
- * This macro is defined if native TrueType hinting is requested by the
- * definitions above.
+ * The next three macros are defined if native TrueType hinting is
+ * requested by the definitions above. Don't change this.
*/
#ifdef TT_CONFIG_OPTION_BYTECODE_INTERPRETER
#define TT_USE_BYTECODE_INTERPRETER
@@ -949,7 +947,7 @@ FT_BEGIN_HEADER
/*
* Check CFF darkening parameters. The checks are the same as in function
- * `cff_property_set' in file `cffdrivr.c'.
+ * `cff_property_set` in file `cffdrivr.c`.
*/
#if CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1 < 0 || \
CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2 < 0 || \
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- [freetype2] master 48f93e6: * devel/ftoption.h: Synchronize with master `ftoption.h'.,
Werner LEMBERG <=