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@ -75,32 +75,38 @@ FT_BEGIN_HEADER |
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/*************************************************************************/ |
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/**************************************************************************
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/*#************************************************************************
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* |
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* If you enable this configuration option, FreeType recognizes an |
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* environment variable called `FREETYPE_PROPERTIES', which can be used |
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* to control the various font drivers and modules. The controllable |
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* properties are listed in the section `Controlling FreeType Modules' |
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* in the reference's table of contents; currently there are properties |
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* for the auto-hinter (file `ftautoh.h'), CFF (file `ftcffdrv.h'), |
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* TrueType (file `ftttdrv.h'), and PCF (file `ftpcfdrv.h'). |
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* environment variable called `FREETYPE_PROPERTIES', which can be used to |
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* control the various font drivers and modules. The controllable |
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* properties are listed in the section @properties. |
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* |
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* You have to undefine this configuration option on platforms that lack |
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* the concept of environment variables (and thus don't have the `getenv' |
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* function), for example Windows CE. |
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* |
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* `FREETYPE_PROPERTIES' has the following syntax form (broken here into |
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* multiple lines for better readability). |
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* |
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* { |
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* <optional whitespace> |
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* <module-name1> ':' |
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* @property-name1: '=' <property-value1> |
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* @whitespace: |
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* <module-name2> ':' |
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* @property-name2: '=' <property-value2> |
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* ... |
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* <property-name1> '=' <property-value1> |
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* <whitespace> |
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* <module-name2> ':' |
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* <property-name2> '=' <property-value2> |
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* ... |
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* } |
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* |
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* Example: |
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* |
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* FREETYPE_PROPERTIES=truetype:interpreter-version=35 \
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* cff:no-stem-darkening=1 \
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* autofitter:warping=1 |
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* { |
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* FREETYPE_PROPERTIES=truetype:interpreter-version=35 \
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* cff:no-stem-darkening=1 \
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* autofitter:warping=1 |
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* } |
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* |
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*/ |
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#define FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES |
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@ -211,6 +217,10 @@ FT_BEGIN_HEADER |
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* |
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* Do not #undef this macro here since the build system might define |
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* it for certain configurations only. |
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* |
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* If you use a build system like cmake or the `configure' script, |
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* options set by those programs have precendence, overwriting the |
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* value here with the configured one. |
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*/ |
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/* #define FT_CONFIG_OPTION_SYSTEM_ZLIB */ |
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@ -227,6 +237,10 @@ FT_BEGIN_HEADER |
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* the system available bzip2 implementation. |
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* |
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* Define this macro if you want to enable this `feature'. |
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* |
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* If you use a build system like cmake or the `configure' script, |
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* options set by those programs have precendence, overwriting the |
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* value here with the configured one. |
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*/ |
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#define FT_CONFIG_OPTION_USE_BZIP2 |
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@ -252,6 +266,10 @@ FT_BEGIN_HEADER |
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* supported regardless of this configuration. |
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* |
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* Define this macro if you want to enable this `feature'. |
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* |
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* If you use a build system like cmake or the `configure' script, |
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* options set by those programs have precendence, overwriting the |
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* value here with the configured one. |
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*/ |
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#define FT_CONFIG_OPTION_USE_PNG |
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@ -265,6 +283,10 @@ FT_BEGIN_HEADER |
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* by a font's character map will be hinted also. |
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* |
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* Define this macro if you want to enable this `feature'. |
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* |
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* If you use a build system like cmake or the `configure' script, |
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* options set by those programs have precendence, overwriting the |
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* value here with the configured one. |
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*/ |
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#define FT_CONFIG_OPTION_USE_HARFBUZZ |
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@ -577,17 +599,21 @@ FT_BEGIN_HEADER |
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* [1] for a technical overview on what this means. See `ttinterp.h' |
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* for more details on the LEAN option. |
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* |
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* There are three options. |
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* There are three possible values. |
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* |
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* 1. This option is associated with the `Infinality' moniker. |
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* Contributed by an individual nicknamed Infinality with the goal of |
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* Value 1: |
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* This value is associated with the `Infinality' moniker, |
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* contributed by an individual nicknamed Infinality with the goal of |
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* making TrueType fonts render better than on Windows. A high |
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* amount of configurability and flexibility, down to rules for |
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* single glyphs in fonts, but also very slow. Its experimental and |
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* slow nature and the original developer losing interest meant that |
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* this option was never enabled in default builds. |
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* |
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* 2. The new default mode for the TrueType driver. The Infinality code |
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* The corresponding interpreter version is v38. |
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* |
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* Value 2: |
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* The new default mode for the TrueType driver. The Infinality code |
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* base was stripped to the bare minimum and all configurability |
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* removed in the name of speed and simplicity. The configurability |
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* was mainly aimed at legacy fonts like Arial, Times New Roman, or |
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@ -597,14 +623,19 @@ FT_BEGIN_HEADER |
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* that modern and web fonts render well while legacy fonts render |
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* okay. |
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* |
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* 3. Compile both. |
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* The corresponding interpreter version is v40. |
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* |
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* Value 3: |
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* Compile both, making both v38 and v40 available (the latter is the |
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* default). |
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* |
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* By undefining these, you get rendering behavior like on Windows |
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* without ClearType, i.e., Windows XP without ClearType enabled and |
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* Win9x (interpreter version v35). Or not, depending on how much |
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* hinting blood and testing tears the font designer put into a given |
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* font. If you define one or both subpixel hinting options, you can |
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* switch between between v35 and the ones you define. |
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* switch between between v35 and the ones you define (using |
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* `FT_Property_Set'). |
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* |
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* This option requires TT_CONFIG_OPTION_BYTECODE_INTERPRETER to be |
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* defined. |
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@ -751,8 +782,8 @@ FT_BEGIN_HEADER |
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* possible to set up the default values of the four control points that |
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* define the stem darkening behaviour of the (new) CFF engine. For |
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* more details please read the documentation of the |
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* `darkening-parameters' property of the cff driver module (file |
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* `ftcffdrv.h'), which allows the control at run-time. |
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* `darkening-parameters' property (file `ftdriver.h'), which allows the |
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* control at run-time. |
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* |
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* Do *not* undefine these macros! |
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*/ |
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@ -824,7 +855,9 @@ FT_BEGIN_HEADER |
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/**************************************************************************
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* |
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* Compile autofit module with Indic script support. |
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* Compile autofit module with fallback Indic script support, covering |
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* some scripts that the `latin' submodule of the autofit module doesn't |
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* (yet) handle. |
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*/ |
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#define AF_CONFIG_OPTION_INDIC |
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@ -838,11 +871,31 @@ FT_BEGIN_HEADER |
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* |
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* This experimental option is active only if the rendering mode is |
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* FT_RENDER_MODE_LIGHT; you can switch warping on and off with the |
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* `warping' property of the auto-hinter (see file `ftautoh.h' for more |
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* `warping' property of the auto-hinter (see file `ftdriver.h' for more |
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* information; by default it is switched off). |
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*/ |
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#define AF_CONFIG_OPTION_USE_WARPER |
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/**************************************************************************
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* |
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* Use TrueType-like size metrics for `light' auto-hinting. |
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* |
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* It is strongly recommended to avoid this option, which exists only to |
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* help some legacy applications retain its appearance and behaviour |
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* with respect to auto-hinted TrueType fonts. |
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* |
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* The very reason this option exists at all are GNU/Linux distributions |
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* like Fedora that did not un-patch the following change (which was |
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* present in FreeType between versions 2.4.6 and 2.7.1, inclusive). |
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* |
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* 2011-07-16 Steven Chu <steven.f.chu@gmail.com> |
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* |
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* [truetype] Fix metrics on size request for scalable fonts. |
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* |
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* This problematic commit is now reverted (more or less). |
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*/ |
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/* #define AF_CONFIG_OPTION_TT_SIZE_METRICS */ |
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/* */ |
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Werner Lemberg
7 years ago