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diff --git a/Build/source/libs/harfbuzz/harfbuzz-0.9.18/src/hb-old.cc b/Build/source/libs/harfbuzz/harfbuzz-0.9.18/src/hb-old.cc
new file mode 100644
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+++ b/Build/source/libs/harfbuzz/harfbuzz-0.9.18/src/hb-old.cc
@@ -0,0 +1,410 @@
+/*
+ * Copyright © 2012 Google, Inc.
+ *
+ * This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#define HB_SHAPER old
+#define hb_old_shaper_face_data_t HB_FaceRec_
+#define hb_old_shaper_font_data_t HB_Font_
+#include "hb-shaper-impl-private.hh"
+
+#include <harfbuzz.h>
+
+
+#ifndef HB_DEBUG_OLD
+#define HB_DEBUG_OLD (HB_DEBUG+0)
+#endif
+
+
+static HB_Script
+hb_old_script_from_script (hb_script_t script)
+{
+ switch ((hb_tag_t) script)
+ {
+ default:
+ case HB_SCRIPT_COMMON: return HB_Script_Common;
+ case HB_SCRIPT_GREEK: return HB_Script_Greek;
+ case HB_SCRIPT_CYRILLIC: return HB_Script_Cyrillic;
+ case HB_SCRIPT_ARMENIAN: return HB_Script_Armenian;
+ case HB_SCRIPT_HEBREW: return HB_Script_Hebrew;
+ case HB_SCRIPT_ARABIC: return HB_Script_Arabic;
+ case HB_SCRIPT_SYRIAC: return HB_Script_Syriac;
+ case HB_SCRIPT_THAANA: return HB_Script_Thaana;
+ case HB_SCRIPT_DEVANAGARI: return HB_Script_Devanagari;
+ case HB_SCRIPT_BENGALI: return HB_Script_Bengali;
+ case HB_SCRIPT_GURMUKHI: return HB_Script_Gurmukhi;
+ case HB_SCRIPT_GUJARATI: return HB_Script_Gujarati;
+ case HB_SCRIPT_ORIYA: return HB_Script_Oriya;
+ case HB_SCRIPT_TAMIL: return HB_Script_Tamil;
+ case HB_SCRIPT_TELUGU: return HB_Script_Telugu;
+ case HB_SCRIPT_KANNADA: return HB_Script_Kannada;
+ case HB_SCRIPT_MALAYALAM: return HB_Script_Malayalam;
+ case HB_SCRIPT_SINHALA: return HB_Script_Sinhala;
+ case HB_SCRIPT_THAI: return HB_Script_Thai;
+ case HB_SCRIPT_LAO: return HB_Script_Lao;
+ case HB_SCRIPT_TIBETAN: return HB_Script_Tibetan;
+ case HB_SCRIPT_MYANMAR: return HB_Script_Myanmar;
+ case HB_SCRIPT_GEORGIAN: return HB_Script_Georgian;
+ case HB_SCRIPT_HANGUL: return HB_Script_Hangul;
+ case HB_SCRIPT_OGHAM: return HB_Script_Ogham;
+ case HB_SCRIPT_RUNIC: return HB_Script_Runic;
+ case HB_SCRIPT_KHMER: return HB_Script_Khmer;
+ case HB_SCRIPT_NKO: return HB_Script_Nko;
+ case HB_SCRIPT_INHERITED: return HB_Script_Inherited;
+ }
+}
+
+
+static HB_Bool
+hb_old_convertStringToGlyphIndices (HB_Font old_font,
+ const HB_UChar16 *string,
+ hb_uint32 length,
+ HB_Glyph *glyphs,
+ hb_uint32 *numGlyphs,
+ HB_Bool rightToLeft)
+{
+ hb_font_t *font = (hb_font_t *) old_font->userData;
+
+ for (unsigned int i = 0; i < length; i++)
+ {
+ hb_codepoint_t u;
+
+ /* XXX Handle UTF-16. Ugh */
+ u = string[i];
+
+ if (rightToLeft)
+ u = hb_unicode_funcs_get_default ()->mirroring (u);
+
+ font->get_glyph (u, 0, &u); /* TODO Variation selectors */
+
+ glyphs[i] = u;
+ }
+ *numGlyphs = length; /* XXX */
+
+ return true;
+}
+
+static void
+hb_old_getGlyphAdvances (HB_Font old_font,
+ const HB_Glyph *glyphs,
+ hb_uint32 numGlyphs,
+ HB_Fixed *advances,
+ int flags /*HB_ShaperFlag*/ HB_UNUSED)
+{
+ hb_font_t *font = (hb_font_t *) old_font->userData;
+
+ for (unsigned int i = 0; i < numGlyphs; i++)
+ advances[i] = font->get_glyph_h_advance (glyphs[i]);
+}
+
+static HB_Bool
+hb_old_canRender (HB_Font old_font,
+ const HB_UChar16 *string,
+ hb_uint32 length)
+{
+ return true; /* TODO */
+}
+
+static HB_Error
+hb_old_getPointInOutline (HB_Font old_font,
+ HB_Glyph glyph,
+ int flags /*HB_ShaperFlag*/,
+ hb_uint32 point,
+ HB_Fixed *xpos,
+ HB_Fixed *ypos,
+ hb_uint32 *nPoints)
+{
+ return HB_Err_Ok; /* TODO */
+}
+
+static void
+hb_old_getGlyphMetrics (HB_Font old_font,
+ HB_Glyph glyph,
+ HB_GlyphMetrics *metrics)
+{
+ hb_font_t *font = (hb_font_t *) old_font->userData;
+
+ hb_glyph_extents_t extents;
+
+ font->get_glyph_extents (glyph, &extents);
+
+ metrics->x = extents.x_bearing;
+ metrics->y = extents.y_bearing;
+ metrics->width = extents.width;
+ metrics->height = extents.height;
+ metrics->xOffset = font->get_glyph_h_advance (glyph);
+ metrics->yOffset = 0;
+}
+
+static HB_Fixed
+hb_old_getFontMetric (HB_Font old_font,
+ HB_FontMetric metric)
+{
+ hb_font_t *font = (hb_font_t *) old_font->userData;
+
+ switch (metric)
+ {
+ case HB_FontAscent:
+ return font->y_scale; /* XXX We don't have ascent data yet. */
+
+ default:
+ return 0;
+ }
+}
+
+static const HB_FontClass hb_old_font_class = {
+ hb_old_convertStringToGlyphIndices,
+ hb_old_getGlyphAdvances,
+ hb_old_canRender,
+ hb_old_getPointInOutline,
+ hb_old_getGlyphMetrics,
+ hb_old_getFontMetric
+};
+
+
+
+static HB_Error
+table_func (void *font, HB_Tag tag, HB_Byte *buffer, HB_UInt *length)
+{
+ hb_face_t *face = (hb_face_t *) font;
+ hb_blob_t *blob = face->reference_table ((hb_tag_t) tag);
+ unsigned int capacity = *length;
+ *length = hb_blob_get_length (blob);
+ memcpy (buffer, hb_blob_get_data (blob, NULL), MIN (capacity, *length));
+ hb_blob_destroy (blob);
+ return HB_Err_Ok;
+}
+
+
+/*
+ * shaper face data
+ */
+
+hb_old_shaper_face_data_t *
+_hb_old_shaper_face_data_create (hb_face_t *face)
+{
+ return HB_NewFace (face, table_func);
+}
+
+void
+_hb_old_shaper_face_data_destroy (hb_old_shaper_face_data_t *data)
+{
+ HB_FreeFace (data);
+}
+
+
+/*
+ * shaper font data
+ */
+
+hb_old_shaper_font_data_t *
+_hb_old_shaper_font_data_create (hb_font_t *font)
+{
+ HB_FontRec *data = (HB_FontRec *) calloc (1, sizeof (HB_FontRec));
+ if (unlikely (!data)) {
+ DEBUG_MSG (OLD, font, "malloc()ing HB_Font failed");
+ return NULL;
+ }
+
+ data->klass = &hb_old_font_class;
+ data->x_ppem = font->x_ppem;
+ data->y_ppem = font->y_ppem;
+ data->x_scale = font->x_scale; /* XXX */
+ data->y_scale = font->y_scale; /* XXX */
+ data->userData = font;
+
+ return data;
+}
+
+void
+_hb_old_shaper_font_data_destroy (hb_old_shaper_font_data_t *data)
+{
+ free (data);
+}
+
+
+/*
+ * shaper shape_plan data
+ */
+
+struct hb_old_shaper_shape_plan_data_t {};
+
+hb_old_shaper_shape_plan_data_t *
+_hb_old_shaper_shape_plan_data_create (hb_shape_plan_t *shape_plan HB_UNUSED,
+ const hb_feature_t *user_features HB_UNUSED,
+ unsigned int num_user_features HB_UNUSED)
+{
+ return (hb_old_shaper_shape_plan_data_t *) HB_SHAPER_DATA_SUCCEEDED;
+}
+
+void
+_hb_old_shaper_shape_plan_data_destroy (hb_old_shaper_shape_plan_data_t *data HB_UNUSED)
+{
+}
+
+
+/*
+ * shaper
+ */
+
+hb_bool_t
+_hb_old_shape (hb_shape_plan_t *shape_plan HB_UNUSED,
+ hb_font_t *font,
+ hb_buffer_t *buffer,
+ const hb_feature_t *features,
+ unsigned int num_features)
+{
+ hb_face_t *face = font->face;
+ HB_Face old_face = HB_SHAPER_DATA_GET (face);
+ HB_Font old_font = HB_SHAPER_DATA_GET (font);
+
+ bool backward = HB_DIRECTION_IS_BACKWARD (buffer->props.direction);
+
+retry:
+
+ unsigned int scratch_size;
+ char *scratch = (char *) buffer->get_scratch_buffer (&scratch_size);
+
+#define utf16_index() var1.u32
+ HB_UChar16 *pchars = (HB_UChar16 *) scratch;
+ unsigned int chars_len = 0;
+ for (unsigned int i = 0; i < buffer->len; i++) {
+ hb_codepoint_t c = buffer->info[i].codepoint;
+ buffer->info[i].utf16_index() = chars_len;
+ if (likely (c < 0x10000))
+ pchars[chars_len++] = c;
+ else if (unlikely (c >= 0x110000))
+ pchars[chars_len++] = 0xFFFD;
+ else {
+ pchars[chars_len++] = 0xD800 + ((c - 0x10000) >> 10);
+ pchars[chars_len++] = 0xDC00 + ((c - 0x10000) & ((1 << 10) - 1));
+ }
+ }
+
+
+#define ALLOCATE_ARRAY(Type, name, len) \
+ name = (Type *) scratch; \
+ scratch += (len) * sizeof ((name)[0]); \
+ scratch_size -= (len) * sizeof ((name)[0]);
+
+
+ HB_ShaperItem item = {0};
+
+ ALLOCATE_ARRAY (const HB_UChar16, item.string, chars_len);
+ ALLOCATE_ARRAY (unsigned short, item.log_clusters, chars_len + 2);
+ item.stringLength = chars_len;
+ item.item.pos = 0;
+ item.item.length = item.stringLength;
+ item.item.script = hb_old_script_from_script (buffer->props.script);
+ item.item.bidiLevel = backward ? 1 : 0;
+
+ item.font = old_font;
+ item.face = old_face;
+ item.shaperFlags = 0;
+
+ item.glyphIndicesPresent = false;
+
+ /* TODO Alignment. */
+ unsigned int num_glyphs = scratch_size / (sizeof (HB_Glyph) +
+ sizeof (HB_GlyphAttributes) +
+ sizeof (HB_Fixed) +
+ sizeof (HB_FixedPoint) +
+ sizeof (uint32_t));
+
+ item.num_glyphs = num_glyphs;
+ ALLOCATE_ARRAY (HB_Glyph, item.glyphs, num_glyphs);
+ ALLOCATE_ARRAY (HB_GlyphAttributes, item.attributes, num_glyphs);
+ ALLOCATE_ARRAY (HB_Fixed, item.advances, num_glyphs);
+ ALLOCATE_ARRAY (HB_FixedPoint, item.offsets, num_glyphs);
+ /* Apparently in some cases the offsets array will not be fully assigned to.
+ * Clear it. */
+ memset (item.offsets, 0, num_glyphs * sizeof (item.offsets[0]));
+ uint32_t *vis_clusters;
+ ALLOCATE_ARRAY (uint32_t, vis_clusters, num_glyphs);
+
+#undef ALLOCATE_ARRAY
+
+ if (!HB_ShapeItem (&item))
+ {
+ if (unlikely (item.num_glyphs > num_glyphs))
+ {
+ buffer->ensure (buffer->allocated * 2);
+ if (buffer->in_error)
+ return false;
+ goto retry;
+ }
+ return false;
+ }
+ num_glyphs = item.num_glyphs;
+
+ /* Ok, we've got everything we need, now compose output buffer,
+ * very, *very*, carefully! */
+
+ /* Calculate visual-clusters. That's what we ship. */
+ for (unsigned int i = 0; i < num_glyphs; i++)
+ vis_clusters[i] = -1;
+ for (unsigned int i = 0; i < buffer->len; i++) {
+ uint32_t *p = &vis_clusters[item.log_clusters[buffer->info[i].utf16_index()]];
+ *p = MIN (*p, buffer->info[i].cluster);
+ }
+ for (unsigned int i = 1; i < num_glyphs; i++)
+ if (vis_clusters[i] == (uint32_t) -1)
+ vis_clusters[i] = vis_clusters[i - 1];
+
+#undef utf16_index
+
+ buffer->ensure (num_glyphs);
+ if (buffer->in_error)
+ return false;
+
+
+ buffer->len = num_glyphs;
+ hb_glyph_info_t *info = buffer->info;
+ for (unsigned int i = 0; i < num_glyphs; i++)
+ {
+ info[i].codepoint = item.glyphs[i];
+ info[i].cluster = vis_clusters[i];
+
+ info[i].mask = item.advances[i];
+ info[i].var1.u32 = item.offsets[i].x;
+ info[i].var2.u32 = item.offsets[i].y;
+ }
+
+ buffer->clear_positions ();
+
+ for (unsigned int i = 0; i < num_glyphs; ++i) {
+ hb_glyph_info_t *info = &buffer->info[i];
+ hb_glyph_position_t *pos = &buffer->pos[i];
+
+ /* TODO vertical */
+ pos->x_advance = info->mask;
+ pos->x_offset = info->var1.u32;
+ pos->y_offset = info->var2.u32;
+ }
+
+ if (HB_DIRECTION_IS_BACKWARD (buffer->props.direction))
+ buffer->reverse ();
+
+ return true;
+}
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