Merge remote-tracking branch 'origin/released'

* origin/released:
  Updated to freetype 2.5.3

1 files changed, 329 insertions, 32 deletions

diff --git a/freetype/builds/vms/ftconfig.h b/freetype/builds/vms/ftconfig.h
index 62fadac0f..3fb8f84fd 100644
--- a/freetype/builds/vms/ftconfig.h
+++ b/freetype/builds/vms/ftconfig.h
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    VMS-specific configuration file (specification only).                */
 /*                                                                         */
-/*  Copyright 1996-2004, 2006-2008, 2011 by                                */
+/*  Copyright 1996-2004, 2006-2008, 2011, 2013 by                          */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -27,18 +27,15 @@
   /* Note however that if some specific modifications are needed, we       */
   /* advise you to place a modified copy in your build directory.          */
   /*                                                                       */
-  /* The build directory is usually `freetype/builds/<system>', and        */
-  /* contains system-specific files that are always included first when    */
-  /* building the library.                                                 */
+  /* The build directory is usually `builds/<system>', and contains        */
+  /* system-specific files that are always included first when building    */
+  /* the library.                                                          */
   /*                                                                       */
   /*************************************************************************/
 
-
 #ifndef __FTCONFIG_H__
 #define __FTCONFIG_H__
 
-
-  /* Include the header file containing all developer build options */
 #include <ft2build.h>
 #include FT_CONFIG_OPTIONS_H
 #include FT_CONFIG_STANDARD_LIBRARY_H
@@ -46,6 +43,7 @@
 
 FT_BEGIN_HEADER
 
+
   /*************************************************************************/
   /*                                                                       */
   /*               PLATFORM-SPECIFIC CONFIGURATION MACROS                  */
@@ -53,7 +51,7 @@ FT_BEGIN_HEADER
   /* These macros can be toggled to suit a specific system.  The current   */
   /* ones are defaults used to compile FreeType in an ANSI C environment   */
   /* (16bit compilers are also supported).  Copy this file to your own     */
-  /* `freetype/builds/<system>' directory, and edit it to port the engine. */
+  /* `builds/<system>' directory, and edit it to port the engine.          */
   /*                                                                       */
   /*************************************************************************/
 
@@ -120,19 +118,95 @@ FT_BEGIN_HEADER
 
   /*************************************************************************/
   /*                                                                       */
-  /* IntN types                                                            */
+  /* <Section>                                                             */
+  /*    basic_types                                                        */
+  /*                                                                       */
+  /*************************************************************************/
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Type>                                                                */
+  /*    FT_Int16                                                           */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    A typedef for a 16bit signed integer type.                         */
+  /*                                                                       */
+  typedef signed short  FT_Int16;
+
+
+  /*************************************************************************/
   /*                                                                       */
-  /*   Used to guarantee the size of some specific integers.               */
+  /* <Type>                                                                */
+  /*    FT_UInt16                                                          */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    A typedef for a 16bit unsigned integer type.                       */
   /*                                                                       */
-  typedef signed short    FT_Int16;
   typedef unsigned short  FT_UInt16;
 
-#if FT_SIZEOF_INT == 4
+  /* */
+
+
+  /* this #if 0 ... #endif clause is for documentation purposes */
+#if 0
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Type>                                                                */
+  /*    FT_Int32                                                           */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    A typedef for a 32bit signed integer type.  The size depends on    */
+  /*    the configuration.                                                 */
+  /*                                                                       */
+  typedef signed XXX  FT_Int32;
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Type>                                                                */
+  /*    FT_UInt32                                                          */
+  /*                                                                       */
+  /*    A typedef for a 32bit unsigned integer type.  The size depends on  */
+  /*    the configuration.                                                 */
+  /*                                                                       */
+  typedef unsigned XXX  FT_UInt32;
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Type>                                                                */
+  /*    FT_Int64                                                           */
+  /*                                                                       */
+  /*    A typedef for a 64bit signed integer type.  The size depends on    */
+  /*    the configuration.  Only defined if there is real 64bit support;   */
+  /*    otherwise, it gets emulated with a structure (if necessary).       */
+  /*                                                                       */
+  typedef signed XXX  FT_Int64;
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Type>                                                                */
+  /*    FT_UInt64                                                          */
+  /*                                                                       */
+  /*    A typedef for a 64bit unsigned integer type.  The size depends on  */
+  /*    the configuration.  Only defined if there is real 64bit support;   */
+  /*    otherwise, it gets emulated with a structure (if necessary).       */
+  /*                                                                       */
+  typedef unsigned XXX  FT_UInt64;
+
+  /* */
+
+#endif
+
+#if FT_SIZEOF_INT == (32 / FT_CHAR_BIT)
 
   typedef signed int      FT_Int32;
   typedef unsigned int    FT_UInt32;
 
-#elif FT_SIZEOF_LONG == 4
+#elif FT_SIZEOF_LONG == (32 / FT_CHAR_BIT)
 
   typedef signed long     FT_Int32;
   typedef unsigned long   FT_UInt32;
@@ -141,13 +215,14 @@ FT_BEGIN_HEADER
 #error "no 32bit type found -- please check your configuration files"
 #endif
 
+
   /* look up an integer type that is at least 32 bits */
-#if FT_SIZEOF_INT >= 4
+#if FT_SIZEOF_INT >= (32 / FT_CHAR_BIT)
 
   typedef int            FT_Fast;
   typedef unsigned int   FT_UFast;
 
-#elif FT_SIZEOF_LONG >= 4
+#elif FT_SIZEOF_LONG >= (32 / FT_CHAR_BIT)
 
   typedef long           FT_Fast;
   typedef unsigned long  FT_UFast;
@@ -157,17 +232,19 @@ FT_BEGIN_HEADER
 
   /* determine whether we have a 64-bit int type for platforms without */
   /* Autoconf                                                          */
-#if FT_SIZEOF_LONG == 8
+#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_INT64   long
+#define FT_UINT64  unsigned long
 
 #elif 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_INT64   __int64
+#define FT_UINT64  unsigned __int64
 
 #elif defined( __BORLANDC__ )  /* Borland C++ */
 
@@ -176,7 +253,8 @@ FT_BEGIN_HEADER
 
   /* this compiler provides the __int64 type */
 #define FT_LONG64
-#define FT_INT64  __int64
+#define FT_INT64   __int64
+#define FT_UINT64  unsigned __int64
 
 #elif defined( __WATCOMC__ )   /* Watcom C++ */
 
@@ -185,28 +263,25 @@ FT_BEGIN_HEADER
 #elif defined( __MWERKS__ )    /* Metrowerks CodeWarrior */
 
 #define FT_LONG64
-#define FT_INT64  long long int
+#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_INT64   long long int
+#define FT_UINT64  unsigned long long int
 
-#endif /* FT_SIZEOF_LONG == 8 */
-
-
-#define FT_BEGIN_STMNT  do {
-#define FT_END_STMNT    } while ( 0 )
-#define FT_DUMMY_STMNT  FT_BEGIN_STMNT FT_END_STMNT
+#endif /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */
 
 
   /*************************************************************************/
   /*                                                                       */
   /* A 64-bit data type will create compilation problems if you compile    */
-  /* in strict ANSI mode.  To avoid them, we disable their use if          */
-  /* __STDC__ is defined.  You can however ignore this rule by             */
-  /* defining the FT_CONFIG_OPTION_FORCE_INT64 configuration macro.        */
+  /* in strict ANSI mode.  To avoid them, we disable its use if __STDC__   */
+  /* is defined.  You can however ignore this rule by defining the         */
+  /* FT_CONFIG_OPTION_FORCE_INT64 configuration macro.                     */
   /*                                                                       */
 #if defined( FT_LONG64 ) && !defined( FT_CONFIG_OPTION_FORCE_INT64 )
 
@@ -220,6 +295,225 @@ FT_BEGIN_HEADER
 
 #endif /* FT_LONG64 && !FT_CONFIG_OPTION_FORCE_INT64 */
 
+#ifdef FT_LONG64
+  typedef FT_INT64   FT_Int64;
+  typedef FT_UINT64  FT_UInt64;
+#endif
+
+
+#define FT_BEGIN_STMNT  do {
+#define FT_END_STMNT    } while ( 0 )
+#define FT_DUMMY_STMNT  FT_BEGIN_STMNT FT_END_STMNT
+
+
+#ifndef  FT_CONFIG_OPTION_NO_ASSEMBLER
+  /* Provide assembler fragments for performance-critical functions. */
+  /* These must be defined `static __inline__' with GCC.             */
+
+#if defined( __CC_ARM ) || defined( __ARMCC__ )  /* RVCT */
+
+#define FT_MULFIX_ASSEMBLER  FT_MulFix_arm
+
+  /* documentation is in freetype.h */
+
+  static __inline FT_Int32
+  FT_MulFix_arm( FT_Int32  a,
+                 FT_Int32  b )
+  {
+    register FT_Int32  t, t2;
+
+
+    __asm
+    {
+      smull t2, t,  b,  a           /* (lo=t2,hi=t) = a*b */
+      mov   a,  t,  asr #31         /* a   = (hi >> 31) */
+      add   a,  a,  #0x8000         /* a  += 0x8000 */
+      adds  t2, t2, a               /* t2 += a */
+      adc   t,  t,  #0              /* t  += carry */
+      mov   a,  t2, lsr #16         /* a   = t2 >> 16 */
+      orr   a,  a,  t,  lsl #16     /* a  |= t << 16 */
+    }
+    return a;
+  }
+
+#endif /* __CC_ARM || __ARMCC__ */
+
+
+#ifdef __GNUC__
+
+#if defined( __arm__ )                                 && \
+    ( !defined( __thumb__ ) || defined( __thumb2__ ) ) && \
+    !( defined( __CC_ARM ) || defined( __ARMCC__ ) )
+
+#define FT_MULFIX_ASSEMBLER  FT_MulFix_arm
+
+  /* documentation is in freetype.h */
+
+  static __inline__ FT_Int32
+  FT_MulFix_arm( FT_Int32  a,
+                 FT_Int32  b )
+  {
+    register FT_Int32  t, t2;
+
+
+    __asm__ __volatile__ (
+      "smull  %1, %2, %4, %3\n\t"       /* (lo=%1,hi=%2) = a*b */
+      "mov    %0, %2, asr #31\n\t"      /* %0  = (hi >> 31) */
+      "add    %0, %0, #0x8000\n\t"      /* %0 += 0x8000 */
+      "adds   %1, %1, %0\n\t"           /* %1 += %0 */
+      "adc    %2, %2, #0\n\t"           /* %2 += carry */
+      "mov    %0, %1, lsr #16\n\t"      /* %0  = %1 >> 16 */
+      "orr    %0, %0, %2, lsl #16\n\t"  /* %0 |= %2 << 16 */
+      : "=r"(a), "=&r"(t2), "=&r"(t)
+      : "r"(a), "r"(b)
+      : "cc" );
+    return a;
+  }
+
+#endif /* __arm__                      && */
+       /* ( __thumb2__ || !__thumb__ ) && */
+       /* !( __CC_ARM || __ARMCC__ )      */
+
+
+#if defined( __i386__ )
+
+#define FT_MULFIX_ASSEMBLER  FT_MulFix_i386
+
+  /* documentation is in freetype.h */
+
+  static __inline__ FT_Int32
+  FT_MulFix_i386( FT_Int32  a,
+                  FT_Int32  b )
+  {
+    register FT_Int32  result;
+
+
+    __asm__ __volatile__ (
+      "imul  %%edx\n"
+      "movl  %%edx, %%ecx\n"
+      "sarl  $31, %%ecx\n"
+      "addl  $0x8000, %%ecx\n"
+      "addl  %%ecx, %%eax\n"
+      "adcl  $0, %%edx\n"
+      "shrl  $16, %%eax\n"
+      "shll  $16, %%edx\n"
+      "addl  %%edx, %%eax\n"
+      : "=a"(result), "=d"(b)
+      : "a"(a), "d"(b)
+      : "%ecx", "cc" );
+    return result;
+  }
+
+#endif /* i386 */
+
+#endif /* __GNUC__ */
+
+
+#ifdef _MSC_VER /* Visual C++ */
+
+#ifdef _M_IX86
+
+#define FT_MULFIX_ASSEMBLER  FT_MulFix_i386
+
+  /* documentation is in freetype.h */
+
+  static __inline FT_Int32
+  FT_MulFix_i386( FT_Int32  a,
+                  FT_Int32  b )
+  {
+    register FT_Int32  result;
+
+    __asm
+    {
+      mov eax, a
+      mov edx, b
+      imul edx
+      mov ecx, edx
+      sar ecx, 31
+      add ecx, 8000h
+      add eax, ecx
+      adc edx, 0
+      shr eax, 16
+      shl edx, 16
+      add eax, edx
+      mov result, eax
+    }
+    return result;
+  }
+
+#endif /* _M_IX86 */
+
+#endif /* _MSC_VER */
+
+
+#if defined( __GNUC__ ) && defined( __x86_64__ )
+
+#define FT_MULFIX_ASSEMBLER  FT_MulFix_x86_64
+
+  static __inline__ FT_Int32
+  FT_MulFix_x86_64( FT_Int32  a,
+                    FT_Int32  b )
+  {
+    /* Temporarily disable the warning that C90 doesn't support */
+    /* `long long'.                                             */
+#if ( __GNUC__ > 4 ) || ( ( __GNUC__ == 4 ) && ( __GNUC_MINOR__ >= 6 ) )
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wlong-long"
+#endif
+
+#if 1
+    /* Technically not an assembly fragment, but GCC does a really good */
+    /* job at inlining it and generating good machine code for it.      */
+    long long  ret, tmp;
+
+
+    ret  = (long long)a * b;
+    tmp  = ret >> 63;
+    ret += 0x8000 + tmp;
+
+    return (FT_Int32)( ret >> 16 );
+#else
+
+    /* For some reason, GCC 4.6 on Ubuntu 12.04 generates invalid machine  */
+    /* code from the lines below.  The main issue is that `wide_a' is not  */
+    /* properly initialized by sign-extending `a'.  Instead, the generated */
+    /* machine code assumes that the register that contains `a' on input   */
+    /* can be used directly as a 64-bit value, which is wrong most of the  */
+    /* time.                                                               */
+    long long  wide_a = (long long)a;
+    long long  wide_b = (long long)b;
+    long long  result;
+
+
+    __asm__ __volatile__ (
+      "imul %2, %1\n"
+      "mov %1, %0\n"
+      "sar $63, %0\n"
+      "lea 0x8000(%1, %0), %0\n"
+      "sar $16, %0\n"
+      : "=&r"(result), "=&r"(wide_a)
+      : "r"(wide_b)
+      : "cc" );
+
+    return (FT_Int32)result;
+#endif
+
+#if ( __GNUC__ > 4 ) || ( ( __GNUC__ == 4 ) && ( __GNUC_MINOR__ >= 6 ) )
+#pragma GCC diagnostic pop
+#endif
+  }
+
+#endif /* __GNUC__ && __x86_64__ */
+
+#endif /* !FT_CONFIG_OPTION_NO_ASSEMBLER */
+
+
+#ifdef FT_CONFIG_OPTION_INLINE_MULFIX
+#ifdef FT_MULFIX_ASSEMBLER
+#define FT_MULFIX_INLINED  FT_MULFIX_ASSEMBLER
+#endif
+#endif
+
 
 #ifdef FT_MAKE_OPTION_SINGLE_OBJECT
 
@@ -238,6 +532,9 @@ FT_BEGIN_HEADER
 
 #endif /* FT_MAKE_OPTION_SINGLE_OBJECT */
 
+#define FT_LOCAL_ARRAY( x )      extern const  x
+#define FT_LOCAL_ARRAY_DEF( x )  const  x
+
 
 #ifndef FT_BASE
 
@@ -253,9 +550,9 @@ FT_BEGIN_HEADER
 #ifndef FT_BASE_DEF
 
 #ifdef __cplusplus
-#define FT_BASE_DEF( x )  extern "C"  x
+#define FT_BASE_DEF( x )  x
 #else
-#define FT_BASE_DEF( x )  extern  x
+#define FT_BASE_DEF( x )  x
 #endif
 
 #endif /* !FT_BASE_DEF */