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| Original file line number | Diff line number | Diff line change |
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| /* */ | ||
| /* User-selectable configuration macros (specification only). */ | ||
| /* */ | ||
| /* Copyright 1996-2017 by */ | ||
| /* David Turner, Robert Wilhelm, and Werner Lemberg. */ | ||
| /* */ | ||
| /* This file is part of the FreeType project, and may only be used, */ | ||
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| /*************************************************************************/ | ||
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| /*************************************************************************/ | ||
| /* */ | ||
| /* If you enable this configuration option, FreeType recognizes an */ | ||
| /* 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 `Controlling FreeType Modules' */ | ||
| /* in the reference's table of contents; currently there are properties */ | ||
| /* for the auto-hinter (file `ftautoh.h'), CFF (file `ftcffdrv.h'), */ | ||
| /* TrueType (file `ftttdrv.h'), and PCF (file `ftpcfdrv.h'). */ | ||
| /* */ | ||
| /* `FREETYPE_PROPERTIES' has the following syntax form (broken here into */ | ||
| /* multiple lines for better readability). */ | ||
| /* */ | ||
| /* <optional whitespace> */ | ||
| /* <module-name1> ':' */ | ||
| /* <property-name1> '=' <property-value1> */ | ||
| /* <whitespace> */ | ||
| /* <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 | ||
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| /*************************************************************************/ | ||
| /* */ | ||
| /* Uncomment the line below if you want to activate sub-pixel rendering */ | ||
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@@ -148,7 +178,7 @@ FT_BEGIN_HEADER | |
| /* */ | ||
| /* Define this macro if you want to enable this `feature'. */ | ||
| /* */ | ||
| #define FT_CONFIG_OPTION_USE_LZW | ||
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| /*************************************************************************/ | ||
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@@ -163,7 +193,7 @@ FT_BEGIN_HEADER | |
| /* 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 | ||
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| /*************************************************************************/ | ||
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@@ -492,7 +522,21 @@ FT_BEGIN_HEADER | |
| /* code will be used. */ | ||
| /* */ | ||
| /* Setting this macro is needed for systems that prohibit address */ | ||
| /* fixups, such as BREW. [Note that standard compilers like gcc or */ | ||
| /* clang handle PIC generation automatically; you don't have to set */ | ||
| /* FT_CONFIG_OPTION_PIC, which is only necessary for very special */ | ||
| /* compilers.] */ | ||
| /* */ | ||
| /* Note that FT_CONFIG_OPTION_PIC support is not available for all */ | ||
| /* modules (see `modules.cfg' for a complete list). For building with */ | ||
| /* FT_CONFIG_OPTION_PIC support, do the following. */ | ||
| /* */ | ||
| /* 0. Clone the repository. */ | ||
| /* 1. Define FT_CONFIG_OPTION_PIC. */ | ||
| /* 2. Remove all subdirectories in `src' that don't have */ | ||
| /* FT_CONFIG_OPTION_PIC support. */ | ||
| /* 3. Comment out the corresponding modules in `modules.cfg'. */ | ||
| /* 4. Compile. */ | ||
| /* */ | ||
| /* #define FT_CONFIG_OPTION_PIC */ | ||
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@@ -596,17 +640,21 @@ FT_BEGIN_HEADER | |
| /* [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. */ | ||
| /* */ | ||
| /* 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 */ | ||
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@@ -616,22 +664,27 @@ FT_BEGIN_HEADER | |
| /* that modern and web fonts render well while legacy fonts render */ | ||
| /* okay. */ | ||
| /* */ | ||
| /* The corresponding interpreter version is v40. */ | ||
| /* */ | ||
| /* Value 3: */ | ||
| /* 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'). */ | ||
| /* */ | ||
| /* This option requires TT_CONFIG_OPTION_BYTECODE_INTERPRETER to be */ | ||
| /* defined. */ | ||
| /* */ | ||
| /* [1] http://www.microsoft.com/typography/cleartype/truetypecleartype.aspx */ | ||
| /* */ | ||
| /* #define TT_CONFIG_OPTION_SUBPIXEL_HINTING 1 */ | ||
| #define TT_CONFIG_OPTION_SUBPIXEL_HINTING 2 | ||
| /* #define TT_CONFIG_OPTION_SUBPIXEL_HINTING ( 1 | 2 ) */ | ||
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| /* #define CFF_CONFIG_OPTION_OLD_ENGINE */ | ||
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| /*************************************************************************/ | ||
| /*************************************************************************/ | ||
| /**** ****/ | ||
| /**** P C F D R I V E R C O N F I G U R A T I O N ****/ | ||
| /**** ****/ | ||
| /*************************************************************************/ | ||
| /*************************************************************************/ | ||
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| /*************************************************************************/ | ||
| /* */ | ||
| /* 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'. */ | ||
| /* */ | ||
| /* If this option is activated, it can be controlled with the */ | ||
| /* `no-long-family-names' property of the pcf driver module. */ | ||
| /* */ | ||
| /* #define PCF_CONFIG_OPTION_LONG_FAMILY_NAMES */ | ||
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| /*************************************************************************/ | ||
| /*************************************************************************/ | ||
| /**** ****/ | ||
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@@ -806,7 +886,9 @@ FT_BEGIN_HEADER | |
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| /*************************************************************************/ | ||
| /* */ | ||
| /* 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 | ||
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@@ -825,6 +907,26 @@ FT_BEGIN_HEADER | |
| /* */ | ||
| #define AF_CONFIG_OPTION_USE_WARPER | ||
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| /*************************************************************************/ | ||
| /* */ | ||
| /* 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. */ | ||
| /* */ | ||
| /* 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 <steven.f.chu@gmail.com> */ | ||
| /* */ | ||
| /* [truetype] Fix metrics on size request for scalable fonts. */ | ||
| /* */ | ||
| /* This problematic commit is now reverted (more or less). */ | ||
| /* */ | ||
| /* #define AF_CONFIG_OPTION_TT_SIZE_METRICS */ | ||
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| /* */ | ||
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@@ -842,13 +944,15 @@ FT_BEGIN_HEADER | |
| #ifdef TT_CONFIG_OPTION_BYTECODE_INTERPRETER | ||
| #define TT_USE_BYTECODE_INTERPRETER | ||
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| #ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING | ||
| #if TT_CONFIG_OPTION_SUBPIXEL_HINTING & 1 | ||
| #define TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY | ||
| #endif | ||
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| #if TT_CONFIG_OPTION_SUBPIXEL_HINTING & 2 | ||
| #define TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL | ||
| #endif | ||
| #endif | ||
| #endif | ||
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