freetype: Update to upstream version 2.11.1

(cherry picked from commit f615926)

COPYRIGHT.txt

@@ -176,7 +176,7 @@ License: Expat and Bitstream Vera Fonts Copyright
 
 Files: ./thirdparty/freetype/
 Comment: The FreeType Project
-Copyright: 1996-2020, David Turner, Robert Wilhelm, and Werner Lemberg.
+Copyright: 1996-2021, David Turner, Robert Wilhelm, and Werner Lemberg.
 License: FTL
 
 Files: ./thirdparty/glad/

modules/freetype/SCsub

@@ -50,6 +50,7 @@ if env["builtin_freetype"]:
         "src/pshinter/pshinter.c",
         "src/psnames/psnames.c",
         "src/raster/raster.c",
+        "src/sdf/sdf.c",
         "src/smooth/smooth.c",
         "src/truetype/truetype.c",
         "src/type1/type1.c",

thirdparty/README.md

@@ -118,14 +118,14 @@ comments.
 ## freetype
 
 - Upstream: https://www.freetype.org
-- Version: 2.10.4 (6a2b3e4007e794bfc6c91030d0ed987f925164a8, 2020)
+- Version: 2.11.1 (3f83daeecb1a78d851b660eed025eeba362c0e4a, 2021)
 - License: FreeType License (BSD-like)
 
 Files extracted from upstream source:
 
-- the `src/` folder, stripped of the `Jamfile` files and the `tools` subfolder
-- the `include/` folder
-- `docs/{FTL.TXT,LICENSE.TXT}`
+- the `src/` folder, minus the `.mk` files and the `dlg` and `tools` subfolders
+- the `include/` folder, minus the `dlg` subfolder
+- `LICENSE.TXT` and `docs/FTL.TXT`
 
 
 ## glad

thirdparty/freetype/LICENSE.TXT

@@ -1,39 +1,42 @@
+FREETYPE LICENSES
+-----------------
 
-The  FreeType 2  font  engine is  copyrighted  work and  cannot be  used
-legally  without a  software license.   In  order to  make this  project
-usable  to a vast  majority of  developers, we  distribute it  under two
+The FreeType  2 font  engine is  copyrighted work  and cannot  be used
+legally without  a software  license.  In order  to make  this project
+usable to  a vast majority of  developers, we distribute it  under two
 mutually exclusive open-source licenses.
 
-This means  that *you* must choose  *one* of the  two licenses described
-below, then obey  all its terms and conditions when  using FreeType 2 in
+This means that *you* must choose  *one* of the two licenses described
+below, then obey all its terms and conditions when using FreeType 2 in
 any of your projects or products.
 
-  - The FreeType License, found in  the file `FTL.TXT', which is similar
-    to the original BSD license *with* an advertising clause that forces
-    you  to  explicitly cite  the  FreeType  project  in your  product's
-    documentation.  All  details are in the license  file.  This license
-    is  suited  to products  which  don't  use  the GNU  General  Public
-    License.
+  - The FreeType License,  found in the file  `docs/FTL.TXT`, which is
+    similar to the  original BSD license *with*  an advertising clause
+    that forces  you to explicitly  cite the FreeType project  in your
+    product's  documentation.  All  details are  in the  license file.
+    This license is suited to products which don't use the GNU General
+    Public License.
 
-    Note that  this license  is  compatible  to the  GNU General  Public
+    Note that  this license  is compatible to  the GNU  General Public
     License version 3, but not version 2.
 
-  - The GNU General Public License version 2, found in  `GPLv2.TXT' (any
-    later version can be used  also), for programs which already use the
-    GPL.  Note  that the  FTL is  incompatible  with  GPLv2 due  to  its
-    advertisement clause.
+  - The   GNU   General   Public   License   version   2,   found   in
+    `docs/GPLv2.TXT`  (any  later  version  can  be  used  also),  for
+    programs  which  already  use  the  GPL.  Note  that  the  FTL  is
+    incompatible with GPLv2 due to its advertisement clause.
 
-The contributed BDF and PCF drivers  come with a license similar to that
-of the X Window System.  It is compatible to the above two licenses (see
-file src/bdf/README and  src/pcf/README).  The same holds  for the files
-`fthash.c' and  `fthash.h'; their  code was  part of  the BDF  driver in
-earlier FreeType versions.
+The contributed  BDF and PCF  drivers come  with a license  similar to
+that  of the  X Window  System.   It is  compatible to  the above  two
+licenses (see files `src/bdf/README`  and `src/pcf/README`).  The same
+holds   for   the   source    code   files   `src/base/fthash.c`   and
+`include/freetype/internal/fthash.h`; they wer part  of the BDF driver
+in earlier FreeType versions.
 
-The gzip module uses the zlib license (see src/gzip/zlib.h) which too is
-compatible to the above two licenses.
+The gzip  module uses the  zlib license (see  `src/gzip/zlib.h`) which
+too is compatible to the above two licenses.
 
-The MD5 checksum support (only used for debugging in development builds)
-is in the public domain.
+The  MD5 checksum  support  (only used  for  debugging in  development
+builds) is in the public domain.
 
 
 --- end of LICENSE.TXT ---

thirdparty/freetype/include/freetype/config/ftconfig.h

@@ -4,7 +4,7 @@
  *
  *   ANSI-specific configuration file (specification only).
  *
- * Copyright (C) 1996-2020 by
+ * Copyright (C) 1996-2021 by
  * David Turner, Robert Wilhelm, and Werner Lemberg.
  *
  * This file is part of the FreeType project, and may only be used,

thirdparty/freetype/include/freetype/config/ftheader.h

@@ -4,7 +4,7 @@
  *
  *   Build macros of the FreeType 2 library.
  *
- * Copyright (C) 1996-2020 by
+ * Copyright (C) 1996-2021 by
  * David Turner, Robert Wilhelm, and Werner Lemberg.
  *
  * This file is part of the FreeType project, and may only be used,

thirdparty/freetype/include/freetype/config/ftmodule.h

@@ -19,12 +19,14 @@ FT_USE_MODULE( FT_Driver_ClassRec, pfr_driver_class )
 FT_USE_MODULE( FT_Driver_ClassRec, t42_driver_class )
 FT_USE_MODULE( FT_Driver_ClassRec, winfnt_driver_class )
 FT_USE_MODULE( FT_Driver_ClassRec, pcf_driver_class )
+FT_USE_MODULE( FT_Driver_ClassRec, bdf_driver_class )
 FT_USE_MODULE( FT_Module_Class, psaux_module_class )
 FT_USE_MODULE( FT_Module_Class, psnames_module_class )
 FT_USE_MODULE( FT_Module_Class, pshinter_module_class )
-FT_USE_MODULE( FT_Renderer_Class, ft_raster1_renderer_class )
 FT_USE_MODULE( FT_Module_Class, sfnt_module_class )
 FT_USE_MODULE( FT_Renderer_Class, ft_smooth_renderer_class )
-FT_USE_MODULE( FT_Driver_ClassRec, bdf_driver_class )
+FT_USE_MODULE( FT_Renderer_Class, ft_raster1_renderer_class )
+FT_USE_MODULE( FT_Renderer_Class, ft_sdf_renderer_class )
+FT_USE_MODULE( FT_Renderer_Class, ft_bitmap_sdf_renderer_class )
 
 /* EOF */

thirdparty/freetype/include/freetype/config/ftoption.h

@@ -4,7 +4,7 @@
  *
  *   User-selectable configuration macros (specification only).
  *
- * Copyright (C) 1996-2020 by
+ * Copyright (C) 1996-2021 by
  * David Turner, Robert Wilhelm, and Werner Lemberg.
  *
  * This file is part of the FreeType project, and may only be used,
@@ -105,8 +105,7 @@ FT_BEGIN_HEADER
    *
    * ```
    *   FREETYPE_PROPERTIES=truetype:interpreter-version=35 \
-   *                       cff:no-stem-darkening=1 \
-   *                       autofitter:warping=1
+   *                       cff:no-stem-darkening=1
    * ```
    *
    */
@@ -431,6 +430,23 @@ FT_BEGIN_HEADER
 /* #define FT_DEBUG_LEVEL_TRACE */
 
 
+  /**************************************************************************
+   *
+   * Logging
+   *
+   *   Compiling FreeType in debug or trace mode makes FreeType write error
+   *   and trace log messages to `stderr`.  Enabling this macro
+   *   automatically forces the `FT_DEBUG_LEVEL_ERROR` and
+   *   `FT_DEBUG_LEVEL_TRACE` macros and allows FreeType to write error and
+   *   trace log messages to a file instead of `stderr`.  For writing logs
+   *   to a file, FreeType uses an the external `dlg` library (the source
+   *   code is in `src/dlg`).
+   *
+   *   This option needs a C99 compiler.
+   */
+/* #define FT_DEBUG_LOGGING */
+
+
   /**************************************************************************
    *
    * Autofitter debugging
@@ -892,24 +908,6 @@ FT_BEGIN_HEADER
 #endif
 
 
-  /**************************************************************************
-   *
-   * 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 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.
@@ -961,6 +959,21 @@ FT_BEGIN_HEADER
 #endif
 
 
+  /*
+   * The TT_SUPPORT_COLRV1 macro is defined to indicate to clients that this
+   * version of FreeType has support for 'COLR' v1 API.  This definition is
+   * useful to FreeType clients that want to build in support for 'COLR' v1
+   * depending on a tip-of-tree checkout before it is officially released in
+   * FreeType, and while the feature cannot yet be tested against using
+   * version macros.  Don't change this macro.  This may be removed once the
+   * feature is in a FreeType release version and version macros can be used
+   * to test for availability.
+   */
+#ifdef TT_CONFIG_OPTION_COLOR_LAYERS
+#define  TT_SUPPORT_COLRV1
+#endif
+
+
   /*
    * Check CFF darkening parameters.  The checks are the same as in function
    * `cff_property_set` in file `cffdrivr.c`.

thirdparty/freetype/include/freetype/config/ftstdlib.h

@@ -5,7 +5,7 @@
  *   ANSI-specific library and header configuration file (specification
  *   only).
  *
- * Copyright (C) 2002-2020 by
+ * Copyright (C) 2002-2021 by
  * David Turner, Robert Wilhelm, and Werner Lemberg.
  *
  * This file is part of the FreeType project, and may only be used,
@@ -43,7 +43,8 @@
    *
    * `UINT_MAX` and `ULONG_MAX` are used to automatically compute the size of
    * `int` and `long` in bytes at compile-time.  So far, this works for all
-   * platforms the library has been tested on.
+   * platforms the library has been tested on.  We also check `ULLONG_MAX`
+   * to see whether we can use 64-bit `long long` later on.
    *
    * Note that on the extremely rare platforms that do not provide integer
    * types that are _exactly_ 16 and 32~bits wide (e.g., some old Crays where
@@ -66,6 +67,15 @@
 #define FT_LONG_MIN    LONG_MIN
 #define FT_LONG_MAX    LONG_MAX
 #define FT_ULONG_MAX   ULONG_MAX
+#ifdef LLONG_MAX
+#define FT_LLONG_MAX   LLONG_MAX
+#endif
+#ifdef LLONG_MIN
+#define FT_LLONG_MIN   LLONG_MIN
+#endif
+#ifdef ULLONG_MAX
+#define FT_ULLONG_MAX  ULLONG_MAX
+#endif
 
 
   /**************************************************************************

thirdparty/freetype/include/freetype/config/integer-types.h

@@ -4,7 +4,7 @@
  *
  *   FreeType integer types definitions.
  *
- * Copyright (C) 1996-2020 by
+ * Copyright (C) 1996-2021 by
  * David Turner, Robert Wilhelm, and Werner Lemberg.
  *
  * This file is part of the FreeType project, and may only be used,
@@ -60,6 +60,18 @@
 
 #endif /* !defined(FT_SIZEOF_LONG) */
 
+#ifndef FT_SIZEOF_LONG_LONG
+
+  /* The size of a `long long` type if available */
+#if defined( FT_ULLONG_MAX ) && FT_ULLONG_MAX >= 0xFFFFFFFFFFFFFFFFULL
+#define FT_SIZEOF_LONG_LONG  ( 64 / FT_CHAR_BIT )
+#else
+#define FT_SIZEOF_LONG_LONG  0
+#endif
+
+#endif /* !defined(FT_SIZEOF_LONG_LONG) */
+
+
   /**************************************************************************
    *
    * @section:
@@ -174,15 +186,17 @@
 #endif
 
 
-  /* determine whether we have a 64-bit `int` type for platforms without */
-  /* Autoconf                                                            */
+  /* determine whether we have a 64-bit integer type */
 #if FT_SIZEOF_LONG == ( 64 / FT_CHAR_BIT )
 
-  /* `FT_LONG64` must be defined if a 64-bit type is available */
-#define FT_LONG64
 #define FT_INT64   long
 #define FT_UINT64  unsigned long
 
+#elif FT_SIZEOF_LONG_LONG >= ( 64 / FT_CHAR_BIT )
+
+#define FT_INT64   long long int
+#define FT_UINT64  unsigned long long int
+
   /**************************************************************************
    *
    * A 64-bit data type may create compilation problems if you compile in
@@ -192,16 +206,9 @@
    */
 #elif !defined( __STDC__ ) || defined( FT_CONFIG_OPTION_FORCE_INT64 )
 
-#if defined( __STDC_VERSION__ ) && __STDC_VERSION__ >= 199901L
-
-#define FT_LONG64
-#define FT_INT64   long long int
-#define FT_UINT64  unsigned long long int
-
-#elif defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */
+#if defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */
 
   /* this compiler provides the `__int64` type */
-#define FT_LONG64
 #define FT_INT64   __int64
 #define FT_UINT64  unsigned __int64
 
@@ -211,7 +218,6 @@
   /*       to test the compiler version.                                 */
 
   /* this compiler provides the `__int64` type */
-#define FT_LONG64
 #define FT_INT64   __int64
 #define FT_UINT64  unsigned __int64
 
@@ -221,22 +227,20 @@
 
 #elif defined( __MWERKS__ )    /* Metrowerks CodeWarrior */
 
-#define FT_LONG64
 #define FT_INT64   long long int
 #define FT_UINT64  unsigned long long int
 
 #elif defined( __GNUC__ )
 
   /* GCC provides the `long long` type */
-#define FT_LONG64
 #define FT_INT64   long long int
 #define FT_UINT64  unsigned long long int
 
-#endif /* __STDC_VERSION__ >= 199901L */
+#endif /* !__STDC__ */
 
 #endif /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */
 
-#ifdef FT_LONG64
+#ifdef FT_INT64
   typedef FT_INT64   FT_Int64;
   typedef FT_UINT64  FT_UInt64;
 #endif

thirdparty/freetype/include/freetype/config/mac-support.h

@@ -4,7 +4,7 @@
  *
  *   Mac/OS X support configuration header.
  *
- * Copyright (C) 1996-2020 by
+ * Copyright (C) 1996-2021 by
  * David Turner, Robert Wilhelm, and Werner Lemberg.
  *
  * This file is part of the FreeType project, and may only be used,