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diff --git a/Build/source/libs/freetype2/freetype-2.5.3/src/autofit/afglobal.c b/Build/source/libs/freetype2/freetype-2.5.3/src/autofit/afglobal.c
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+++ b/Build/source/libs/freetype2/freetype-2.5.3/src/autofit/afglobal.c
@@ -0,0 +1,463 @@
+/***************************************************************************/
+/* */
+/* afglobal.c */
+/* */
+/* Auto-fitter routines to compute global hinting values (body). */
+/* */
+/* Copyright 2003-2014 by */
+/* David Turner, Robert Wilhelm, and Werner Lemberg. */
+/* */
+/* This file is part of the FreeType project, and may only be used, */
+/* modified, and distributed under the terms of the FreeType project */
+/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
+/* this file you indicate that you have read the license and */
+/* understand and accept it fully. */
+/* */
+/***************************************************************************/
+
+
+#include "afglobal.h"
+#include "afranges.h"
+#include "hbshim.h"
+#include FT_INTERNAL_DEBUG_H
+
+
+ /*************************************************************************/
+ /* */
+ /* The macro FT_COMPONENT is used in trace mode. It is an implicit */
+ /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
+ /* messages during execution. */
+ /* */
+#undef FT_COMPONENT
+#define FT_COMPONENT trace_afglobal
+
+
+ /* get writing system specific header files */
+#undef WRITING_SYSTEM
+#define WRITING_SYSTEM( ws, WS ) /* empty */
+#include "afwrtsys.h"
+
+#include "aferrors.h"
+#include "afpic.h"
+
+
+#undef SCRIPT
+#define SCRIPT( s, S, d, h, sc1, sc2, sc3 ) \
+ AF_DEFINE_SCRIPT_CLASS( \
+ af_ ## s ## _script_class, \
+ AF_SCRIPT_ ## S, \
+ af_ ## s ## _uniranges, \
+ sc1, sc2, sc3 )
+
+#include "afscript.h"
+
+
+#undef STYLE
+#define STYLE( s, S, d, ws, sc, ss, c ) \
+ AF_DEFINE_STYLE_CLASS( \
+ af_ ## s ## _style_class, \
+ AF_STYLE_ ## S, \
+ ws, \
+ sc, \
+ ss, \
+ c )
+
+#include "afstyles.h"
+
+
+#ifndef FT_CONFIG_OPTION_PIC
+
+#undef WRITING_SYSTEM
+#define WRITING_SYSTEM( ws, WS ) \
+ &af_ ## ws ## _writing_system_class,
+
+ FT_LOCAL_ARRAY_DEF( AF_WritingSystemClass )
+ af_writing_system_classes[] =
+ {
+
+#include "afwrtsys.h"
+
+ NULL /* do not remove */
+ };
+
+
+#undef SCRIPT
+#define SCRIPT( s, S, d, h, sc1, sc2, sc3 ) \
+ &af_ ## s ## _script_class,
+
+ FT_LOCAL_ARRAY_DEF( AF_ScriptClass )
+ af_script_classes[] =
+ {
+
+#include "afscript.h"
+
+ NULL /* do not remove */
+ };
+
+
+#undef STYLE
+#define STYLE( s, S, d, ws, sc, ss, c ) \
+ &af_ ## s ## _style_class,
+
+ FT_LOCAL_ARRAY_DEF( AF_StyleClass )
+ af_style_classes[] =
+ {
+
+#include "afstyles.h"
+
+ NULL /* do not remove */
+ };
+
+#endif /* !FT_CONFIG_OPTION_PIC */
+
+
+#ifdef FT_DEBUG_LEVEL_TRACE
+
+#undef STYLE
+#define STYLE( s, S, d, ws, sc, ss, c ) #s,
+
+ FT_LOCAL_ARRAY_DEF( char* )
+ af_style_names[] =
+ {
+
+#include "afstyles.h"
+
+ };
+
+#endif /* FT_DEBUG_LEVEL_TRACE */
+
+
+ /* Compute the style index of each glyph within a given face. */
+
+ static FT_Error
+ af_face_globals_compute_style_coverage( AF_FaceGlobals globals )
+ {
+ FT_Error error;
+ FT_Face face = globals->face;
+ FT_CharMap old_charmap = face->charmap;
+ FT_Byte* gstyles = globals->glyph_styles;
+ FT_UInt ss;
+ FT_UInt i;
+ FT_UInt dflt = -1;
+
+
+ /* the value AF_STYLE_UNASSIGNED means `uncovered glyph' */
+ FT_MEM_SET( globals->glyph_styles,
+ AF_STYLE_UNASSIGNED,
+ globals->glyph_count );
+
+ error = FT_Select_Charmap( face, FT_ENCODING_UNICODE );
+ if ( error )
+ {
+ /*
+ * Ignore this error; we simply use the fallback style.
+ * XXX: Shouldn't we rather disable hinting?
+ */
+ error = FT_Err_Ok;
+ goto Exit;
+ }
+
+ /* scan each style in a Unicode charmap */
+ for ( ss = 0; AF_STYLE_CLASSES_GET[ss]; ss++ )
+ {
+ AF_StyleClass style_class =
+ AF_STYLE_CLASSES_GET[ss];
+ AF_ScriptClass script_class =
+ AF_SCRIPT_CLASSES_GET[style_class->script];
+ AF_Script_UniRange range;
+
+
+ if ( script_class->script_uni_ranges == NULL )
+ continue;
+
+ /*
+ * Scan all Unicode points in the range and set the corresponding
+ * glyph style index.
+ */
+ if ( style_class->coverage == AF_COVERAGE_DEFAULT )
+ {
+ if ( style_class->script == globals->module->default_script )
+ dflt = ss;
+
+ for ( range = script_class->script_uni_ranges;
+ range->first != 0;
+ range++ )
+ {
+ FT_ULong charcode = range->first;
+ FT_UInt gindex;
+
+
+ gindex = FT_Get_Char_Index( face, charcode );
+
+ if ( gindex != 0 &&
+ gindex < (FT_ULong)globals->glyph_count &&
+ gstyles[gindex] == AF_STYLE_UNASSIGNED )
+ gstyles[gindex] = (FT_Byte)ss;
+
+ for (;;)
+ {
+ charcode = FT_Get_Next_Char( face, charcode, &gindex );
+
+ if ( gindex == 0 || charcode > range->last )
+ break;
+
+ if ( gindex < (FT_ULong)globals->glyph_count &&
+ gstyles[gindex] == AF_STYLE_UNASSIGNED )
+ gstyles[gindex] = (FT_Byte)ss;
+ }
+ }
+ }
+ else
+ {
+ /* get glyphs not directly addressable by cmap */
+ af_get_coverage( globals, style_class, gstyles );
+ }
+ }
+
+ /* handle the default OpenType features of the default script ... */
+ af_get_coverage( globals, AF_STYLE_CLASSES_GET[dflt], gstyles );
+
+ /* ... and the remaining default OpenType features */
+ for ( ss = 0; AF_STYLE_CLASSES_GET[ss]; ss++ )
+ {
+ AF_StyleClass style_class = AF_STYLE_CLASSES_GET[ss];
+
+
+ if ( ss != dflt && style_class->coverage == AF_COVERAGE_DEFAULT )
+ af_get_coverage( globals, style_class, gstyles );
+ }
+
+ /* mark ASCII digits */
+ for ( i = 0x30; i <= 0x39; i++ )
+ {
+ FT_UInt gindex = FT_Get_Char_Index( face, i );
+
+
+ if ( gindex != 0 && gindex < (FT_ULong)globals->glyph_count )
+ gstyles[gindex] |= AF_DIGIT;
+ }
+
+ Exit:
+ /*
+ * By default, all uncovered glyphs are set to the fallback style.
+ * XXX: Shouldn't we disable hinting or do something similar?
+ */
+ if ( globals->module->fallback_style != AF_STYLE_UNASSIGNED )
+ {
+ FT_Long nn;
+
+
+ for ( nn = 0; nn < globals->glyph_count; nn++ )
+ {
+ if ( ( gstyles[nn] & ~AF_DIGIT ) == AF_STYLE_UNASSIGNED )
+ {
+ gstyles[nn] &= ~AF_STYLE_UNASSIGNED;
+ gstyles[nn] |= globals->module->fallback_style;
+ }
+ }
+ }
+
+#ifdef FT_DEBUG_LEVEL_TRACE
+
+ FT_TRACE4(( "\n"
+ "style coverage\n"
+ "==============\n"
+ "\n" ));
+
+ for ( ss = 0; AF_STYLE_CLASSES_GET[ss]; ss++ )
+ {
+ AF_StyleClass style_class = AF_STYLE_CLASSES_GET[ss];
+ FT_UInt count = 0;
+ FT_Long idx;
+
+
+ FT_TRACE4(( "%s:\n", af_style_names[style_class->style] ));
+
+ for ( idx = 0; idx < globals->glyph_count; idx++ )
+ {
+ if ( ( gstyles[idx] & ~AF_DIGIT ) == style_class->style )
+ {
+ if ( !( count % 10 ) )
+ FT_TRACE4(( " " ));
+
+ FT_TRACE4(( " %d", idx ));
+ count++;
+
+ if ( !( count % 10 ) )
+ FT_TRACE4(( "\n" ));
+ }
+ }
+
+ if ( !count )
+ FT_TRACE4(( " (none)\n" ));
+ if ( count % 10 )
+ FT_TRACE4(( "\n" ));
+ }
+
+#endif /* FT_DEBUG_LEVEL_TRACE */
+
+ FT_Set_Charmap( face, old_charmap );
+ return error;
+ }
+
+
+ FT_LOCAL_DEF( FT_Error )
+ af_face_globals_new( FT_Face face,
+ AF_FaceGlobals *aglobals,
+ AF_Module module )
+ {
+ FT_Error error;
+ FT_Memory memory;
+ AF_FaceGlobals globals = NULL;
+
+
+ memory = face->memory;
+
+ if ( FT_ALLOC( globals, sizeof ( *globals ) +
+ face->num_glyphs * sizeof ( FT_Byte ) ) )
+ goto Exit;
+
+ globals->face = face;
+ globals->glyph_count = face->num_glyphs;
+ globals->glyph_styles = (FT_Byte*)( globals + 1 );
+ globals->module = module;
+
+#ifdef FT_CONFIG_OPTION_USE_HARFBUZZ
+ globals->hb_font = hb_ft_font_create( face, NULL );
+#endif
+
+ error = af_face_globals_compute_style_coverage( globals );
+ if ( error )
+ {
+ af_face_globals_free( globals );
+ globals = NULL;
+ }
+
+ globals->increase_x_height = AF_PROP_INCREASE_X_HEIGHT_MAX;
+
+ Exit:
+ *aglobals = globals;
+ return error;
+ }
+
+
+ FT_LOCAL_DEF( void )
+ af_face_globals_free( AF_FaceGlobals globals )
+ {
+ if ( globals )
+ {
+ FT_Memory memory = globals->face->memory;
+ FT_UInt nn;
+
+
+ for ( nn = 0; nn < AF_STYLE_MAX; nn++ )
+ {
+ if ( globals->metrics[nn] )
+ {
+ AF_StyleClass style_class =
+ AF_STYLE_CLASSES_GET[nn];
+ AF_WritingSystemClass writing_system_class =
+ AF_WRITING_SYSTEM_CLASSES_GET[style_class->writing_system];
+
+
+ if ( writing_system_class->style_metrics_done )
+ writing_system_class->style_metrics_done( globals->metrics[nn] );
+
+ FT_FREE( globals->metrics[nn] );
+ }
+ }
+
+#ifdef FT_CONFIG_OPTION_USE_HARFBUZZ
+ hb_font_destroy( globals->hb_font );
+ globals->hb_font = NULL;
+#endif
+
+ globals->glyph_count = 0;
+ globals->glyph_styles = NULL; /* no need to free this one! */
+ globals->face = NULL;
+
+ FT_FREE( globals );
+ }
+ }
+
+
+ FT_LOCAL_DEF( FT_Error )
+ af_face_globals_get_metrics( AF_FaceGlobals globals,
+ FT_UInt gindex,
+ FT_UInt options,
+ AF_StyleMetrics *ametrics )
+ {
+ AF_StyleMetrics metrics = NULL;
+
+ AF_Style style = (AF_Style)options;
+ AF_WritingSystemClass writing_system_class;
+ AF_StyleClass style_class;
+
+ FT_Error error = FT_Err_Ok;
+
+
+ if ( gindex >= (FT_ULong)globals->glyph_count )
+ {
+ error = FT_THROW( Invalid_Argument );
+ goto Exit;
+ }
+
+ /* if we have a forced style (via `options'), use it, */
+ /* otherwise look into `glyph_styles' array */
+ if ( style == AF_STYLE_NONE_DFLT || style + 1 >= AF_STYLE_MAX )
+ style = (AF_Style)( globals->glyph_styles[gindex] &
+ AF_STYLE_UNASSIGNED );
+
+ style_class = AF_STYLE_CLASSES_GET[style];
+ writing_system_class = AF_WRITING_SYSTEM_CLASSES_GET
+ [style_class->writing_system];
+
+ metrics = globals->metrics[style];
+ if ( metrics == NULL )
+ {
+ /* create the global metrics object if necessary */
+ FT_Memory memory = globals->face->memory;
+
+
+ if ( FT_ALLOC( metrics, writing_system_class->style_metrics_size ) )
+ goto Exit;
+
+ metrics->style_class = style_class;
+ metrics->globals = globals;
+
+ if ( writing_system_class->style_metrics_init )
+ {
+ error = writing_system_class->style_metrics_init( metrics,
+ globals->face );
+ if ( error )
+ {
+ if ( writing_system_class->style_metrics_done )
+ writing_system_class->style_metrics_done( metrics );
+
+ FT_FREE( metrics );
+ goto Exit;
+ }
+ }
+
+ globals->metrics[style] = metrics;
+ }
+
+ Exit:
+ *ametrics = metrics;
+
+ return error;
+ }
+
+
+ FT_LOCAL_DEF( FT_Bool )
+ af_face_globals_is_digit( AF_FaceGlobals globals,
+ FT_UInt gindex )
+ {
+ if ( gindex < (FT_ULong)globals->glyph_count )
+ return (FT_Bool)( globals->glyph_styles[gindex] & AF_DIGIT );
+
+ return (FT_Bool)0;
+ }
+
+
+/* END */