[truetype] Hide Infinality.

Remove Infinality as an option before its complete extraction. * include/freetype/ftoption.h: Remove the Infinality option. * devel/ftoption.h: Ditto. * include/freetype/ftdriver.h (TT_INTERPRETER_VERSION_38): Is 40 now.
mkxp-z · Feb 17, 2023 · bbfcd79 · bbfcd79
1 parent 74ea545
commit bbfcd79
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Showing 3 changed files with 17 additions and 86 deletions.
diff --git a/devel/ftoption.h b/devel/ftoption.h
@@ -661,36 +661,12 @@ FT_BEGIN_HEADER
    * 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.
+   * details on this 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 '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.
-   *
-   * Value 3:
-   *   Compile both, making both v38 and v40 available (the latter is the
-   *   default).
+   * The new default 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.
+   * The so-called Infinality mode (v38) is no longer available in FreeType.
    *
    * By undefining these, you get rendering behavior like on Windows without
    * ClearType, i.e., Windows XP without ClearType enabled and Win9x
@@ -705,9 +681,7 @@ FT_BEGIN_HEADER
    * [1]
    * https://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 )
+#define TT_CONFIG_OPTION_SUBPIXEL_HINTING
 
 
   /**************************************************************************
@@ -977,21 +951,14 @@ FT_BEGIN_HEADER
 
 
   /*
-   * The next three macros are defined if native TrueType hinting is
+   * The next two 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
-
 #ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING
-#if TT_CONFIG_OPTION_SUBPIXEL_HINTING & 1
-#define  TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY
-#endif
-
-#if TT_CONFIG_OPTION_SUBPIXEL_HINTING & 2
 #define  TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL
 #endif
-#endif
 #endif
 
 

diff --git a/include/freetype/config/ftoption.h b/include/freetype/config/ftoption.h
@@ -661,36 +661,12 @@ FT_BEGIN_HEADER
    * 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.
+   * details on this 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 '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.
-   *
-   * Value 3:
-   *   Compile both, making both v38 and v40 available (the latter is the
-   *   default).
+   * The new default 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.
+   * The so-called Infinality mode (v38) is no longer available in FreeType.
    *
    * By undefining these, you get rendering behavior like on Windows without
    * ClearType, i.e., Windows XP without ClearType enabled and Win9x
@@ -705,9 +681,7 @@ FT_BEGIN_HEADER
    * [1]
    * https://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 ) */
+#define TT_CONFIG_OPTION_SUBPIXEL_HINTING
 
 
   /**************************************************************************
@@ -977,21 +951,14 @@ FT_BEGIN_HEADER
 
 
   /*
-   * The next three macros are defined if native TrueType hinting is
+   * The next two 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
-
 #ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING
-#if TT_CONFIG_OPTION_SUBPIXEL_HINTING & 1
-#define  TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY
-#endif
-
-#if TT_CONFIG_OPTION_SUBPIXEL_HINTING & 2
 #define  TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL
 #endif
-#endif
 #endif
 
 

diff --git a/include/freetype/ftdriver.h b/include/freetype/ftdriver.h
@@ -651,11 +651,8 @@ FT_BEGIN_HEADER
    *     Windows~98; only grayscale and B/W rasterizing is supported.
    *
    *   TT_INTERPRETER_VERSION_38 ::
-   *     Version~38 corresponds to MS rasterizer v.1.9; it is roughly
-   *     equivalent to the hinting provided by DirectWrite ClearType (as can
-   *     be found, for example, in the Internet Explorer~9 running on
-   *     Windows~7).  It is used in FreeType to select the 'Infinality'
-   *     subpixel hinting code.  The code may be removed in a future version.
+   *     Version~38 is the same Version~40. The original 'Infinality' code is
+   *     no longer available.
    *
    *   TT_INTERPRETER_VERSION_40 ::
    *     Version~40 corresponds to MS rasterizer v.2.1; it is roughly
@@ -760,7 +757,7 @@ FT_BEGIN_HEADER
    *
    */
 #define TT_INTERPRETER_VERSION_35  35
-#define TT_INTERPRETER_VERSION_38  38
+#define TT_INTERPRETER_VERSION_38  40
 #define TT_INTERPRETER_VERSION_40  40