Update bundled FreeType sources to 2.3.12

Most important changes:
* SFNT cmap 13 table format support;
* fixed glitches when rasterizing stretched TTF (xsize!=ysize);
* various fixes in Type1, CFF, and PCF drivers

Change-Id: Ib9e2210ffbd0daa2fdbf518ea87f4be502de6b48
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>

5 files changed, 49 insertions, 30 deletions

diff --git a/src/3rdparty/freetype/src/otvalid/otvcommn.h b/src/3rdparty/freetype/src/otvalid/otvcommn.h
index 71726d5b2e..898887fc95 100644
--- a/src/3rdparty/freetype/src/otvalid/otvcommn.h
+++ b/src/3rdparty/freetype/src/otvalid/otvcommn.h
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    OpenType common tables validation (specification).                   */
 /*                                                                         */
-/*  Copyright 2004, 2005, 2007 by                                          */
+/*  Copyright 2004, 2005, 2007, 2009 by                                    */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -85,27 +85,27 @@ FT_BEGIN_HEADER
               FT_INVALID_TOO_SHORT;                  \
           FT_END_STMNT
 
-#define OTV_SIZE_CHECK( _size )                                        \
-          FT_BEGIN_STMNT                                               \
-            if ( _size > 0 && _size < table_size )                     \
-            {                                                          \
-              if ( valid->root->level == FT_VALIDATE_PARANOID )        \
-                FT_INVALID_OFFSET;                                     \
-              else                                                     \
-              {                                                        \
-                /* strip off `const' */                                \
-                FT_Byte*  pp = (FT_Byte*)_size ## _p;                  \
-                                                                       \
-                                                                       \
-                FT_TRACE3(( "\n"                                       \
-                            "Invalid offset to optional table `%s'!\n" \
-                            "Set to zero.\n"                           \
-                            "\n", #_size ));                           \
-                                                                       \
-                /* always assume 16bit entities */                     \
-                _size = pp[0] = pp[1] = 0;                             \
-              }                                                        \
-            }                                                          \
+#define OTV_SIZE_CHECK( _size )                                     \
+          FT_BEGIN_STMNT                                            \
+            if ( _size > 0 && _size < table_size )                  \
+            {                                                       \
+              if ( valid->root->level == FT_VALIDATE_PARANOID )     \
+                FT_INVALID_OFFSET;                                  \
+              else                                                  \
+              {                                                     \
+                /* strip off `const' */                             \
+                FT_Byte*  pp = (FT_Byte*)_size ## _p;               \
+                                                                    \
+                                                                    \
+                FT_TRACE3(( "\n"                                    \
+                            "Invalid offset to optional table `%s'" \
+                            " set to zero.\n"                       \
+                            "\n", #_size ));                        \
+                                                                    \
+                /* always assume 16bit entities */                  \
+                _size = pp[0] = pp[1] = 0;                          \
+              }                                                     \
+            }                                                       \
           FT_END_STMNT
 
 
diff --git a/src/3rdparty/freetype/src/otvalid/otvgpos.c b/src/3rdparty/freetype/src/otvalid/otvgpos.c
index 53025ec5e6..49b46183a3 100644
--- a/src/3rdparty/freetype/src/otvalid/otvgpos.c
+++ b/src/3rdparty/freetype/src/otvalid/otvgpos.c
@@ -209,7 +209,7 @@
     {
       if ( format & 1 )
       {
-        FT_UInt   table_size;
+        FT_PtrDist  table_size;
 
         OTV_OPTIONAL_TABLE( device );
 
@@ -911,7 +911,8 @@
     {
     case 1:     /* ExtensionPosFormat1 */
       {
-        FT_UInt            ExtensionLookupType, ExtensionOffset;
+        FT_UInt            ExtensionLookupType;
+        FT_ULong           ExtensionOffset;
         OTV_Validate_Func  validate;
 
 
diff --git a/src/3rdparty/freetype/src/otvalid/otvgsub.c b/src/3rdparty/freetype/src/otvalid/otvgsub.c
index f01fca1e89..ed499d1e92 100644
--- a/src/3rdparty/freetype/src/otvalid/otvgsub.c
+++ b/src/3rdparty/freetype/src/otvalid/otvgsub.c
@@ -415,7 +415,8 @@
     {
     case 1:     /* ExtensionSubstFormat1 */
       {
-        FT_UInt            ExtensionLookupType, ExtensionOffset;
+        FT_UInt            ExtensionLookupType;
+        FT_ULong           ExtensionOffset;
         OTV_Validate_Func  validate;
 
 
diff --git a/src/3rdparty/freetype/src/otvalid/otvmod.c b/src/3rdparty/freetype/src/otvalid/otvmod.c
index 63c25f690c..3248564560 100644
--- a/src/3rdparty/freetype/src/otvalid/otvmod.c
+++ b/src/3rdparty/freetype/src/otvalid/otvmod.c
@@ -82,12 +82,25 @@
     FT_Byte* volatile         math;
     FT_ULong                  len_base, len_gdef, len_gpos, len_gsub, len_jstf;
     FT_ULong                  len_math;
+    FT_UInt                   num_glyphs = (FT_UInt)face->num_glyphs;
     FT_ValidatorRec volatile  valid;
 
 
     base     = gdef     = gpos     = gsub     = jstf     = math     = NULL;
     len_base = len_gdef = len_gpos = len_gsub = len_jstf = len_math = 0;
 
+    /*
+     * XXX: OpenType tables cannot handle 32-bit glyph index,
+     *      although broken TrueType can have 32-bit glyph index.
+     */
+    if ( face->num_glyphs > 0xFFFFL )
+    {
+      FT_TRACE1(( "otv_validate: Invalid glyphs index (0x0000FFFF - 0x%08x) ",
+                  face->num_glyphs ));
+      FT_TRACE1(( "are not handled by OpenType tables\n" ));
+      num_glyphs = 0xFFFF;
+    }
+
     /* load tables */
 
     if ( ot_flags & FT_VALIDATE_BASE )
@@ -148,7 +161,7 @@
     {
       ft_validator_init( &valid, gpos, gpos + len_gpos, FT_VALIDATE_DEFAULT );
       if ( ft_setjmp( valid.jump_buffer ) == 0 )
-        otv_GPOS_validate( gpos, face->num_glyphs, &valid );
+        otv_GPOS_validate( gpos, num_glyphs, &valid );
       error = valid.error;
       if ( error )
         goto Exit;
@@ -158,7 +171,7 @@
     {
       ft_validator_init( &valid, gsub, gsub + len_gsub, FT_VALIDATE_DEFAULT );
       if ( ft_setjmp( valid.jump_buffer ) == 0 )
-        otv_GSUB_validate( gsub, face->num_glyphs, &valid );
+        otv_GSUB_validate( gsub, num_glyphs, &valid );
       error = valid.error;
       if ( error )
         goto Exit;
@@ -168,7 +181,7 @@
     {
       ft_validator_init( &valid, gdef, gdef + len_gdef, FT_VALIDATE_DEFAULT );
       if ( ft_setjmp( valid.jump_buffer ) == 0 )
-        otv_GDEF_validate( gdef, gsub, gpos, face->num_glyphs, &valid );
+        otv_GDEF_validate( gdef, gsub, gpos, num_glyphs, &valid );
       error = valid.error;
       if ( error )
         goto Exit;
@@ -178,7 +191,7 @@
     {
       ft_validator_init( &valid, jstf, jstf + len_jstf, FT_VALIDATE_DEFAULT );
       if ( ft_setjmp( valid.jump_buffer ) == 0 )
-        otv_JSTF_validate( jstf, gsub, gpos, face->num_glyphs, &valid );
+        otv_JSTF_validate( jstf, gsub, gpos, num_glyphs, &valid );
       error = valid.error;
       if ( error )
         goto Exit;
@@ -188,7 +201,7 @@
     {
       ft_validator_init( &valid, math, math + len_math, FT_VALIDATE_DEFAULT );
       if ( ft_setjmp( valid.jump_buffer ) == 0 )
-        otv_MATH_validate( math, face->num_glyphs, &valid );
+        otv_MATH_validate( math, num_glyphs, &valid );
       error = valid.error;
       if ( error )
         goto Exit;
diff --git a/src/3rdparty/freetype/src/otvalid/otvmod.h b/src/3rdparty/freetype/src/otvalid/otvmod.h
index 1bfc1899fe..573b2a0c4b 100644
--- a/src/3rdparty/freetype/src/otvalid/otvmod.h
+++ b/src/3rdparty/freetype/src/otvalid/otvmod.h
@@ -27,6 +27,10 @@
 
 FT_BEGIN_HEADER
 
+#ifdef FT_CONFIG_OPTION_PIC
+#error "this module does not support PIC yet"
+#endif 
+
 
   FT_EXPORT_VAR( const FT_Module_Class )  otv_module_class;