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diff --git a/Build/source/libs/harfbuzz/harfbuzz-0.9.12/src/hb-ot-shape-complex-arabic-fallback.hh b/Build/source/libs/harfbuzz/harfbuzz-0.9.12/src/hb-ot-shape-complex-arabic-fallback.hh
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--- a/Build/source/libs/harfbuzz/harfbuzz-0.9.12/src/hb-ot-shape-complex-arabic-fallback.hh
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-/*
- * 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
- */
-
-#ifndef HB_OT_SHAPE_COMPLEX_ARABIC_FALLBACK_HH
-#define HB_OT_SHAPE_COMPLEX_ARABIC_FALLBACK_HH
-
-#include "hb-private.hh"
-
-#include "hb-ot-shape-private.hh"
-#include "hb-ot-layout-gsub-table.hh"
-
-
-static const hb_tag_t arabic_fallback_features[] =
-{
- HB_TAG('i','n','i','t'),
- HB_TAG('m','e','d','i'),
- HB_TAG('f','i','n','a'),
- HB_TAG('i','s','o','l'),
- HB_TAG('r','l','i','g'),
-};
-
-/* Same order as the fallback feature array */
-enum {
- FALLBACK_INIT,
- FALLBACK_MEDI,
- FALLBACK_FINA,
- FALLBACK_ISOL,
- FALLBACK_RLIG,
- ARABIC_NUM_FALLBACK_FEATURES
-};
-
-static OT::SubstLookup *
-arabic_fallback_synthesize_lookup_single (const hb_ot_shape_plan_t *plan HB_UNUSED,
- hb_font_t *font,
- unsigned int feature_index)
-{
- OT::GlyphID glyphs[SHAPING_TABLE_LAST - SHAPING_TABLE_FIRST + 1];
- OT::GlyphID substitutes[SHAPING_TABLE_LAST - SHAPING_TABLE_FIRST + 1];
- unsigned int num_glyphs = 0;
-
- /* Populate arrays */
- for (hb_codepoint_t u = SHAPING_TABLE_FIRST; u < SHAPING_TABLE_LAST + 1; u++)
- {
- hb_codepoint_t s = shaping_table[u - SHAPING_TABLE_FIRST][feature_index];
- hb_codepoint_t u_glyph, s_glyph;
-
- if (!s ||
- !hb_font_get_glyph (font, u, 0, &u_glyph) ||
- !hb_font_get_glyph (font, s, 0, &s_glyph) ||
- u_glyph == s_glyph ||
- u_glyph > 0xFFFF || s_glyph > 0xFFFF)
- continue;
-
- glyphs[num_glyphs].set (u_glyph);
- substitutes[num_glyphs].set (s_glyph);
-
- num_glyphs++;
- }
-
- /* Bubble-sort!
- * May not be good-enough for presidential candidate interviews, but good-enough for us... */
- hb_bubble_sort (&glyphs[0], num_glyphs, OT::GlyphID::cmp, &substitutes[0]);
-
- OT::Supplier<OT::GlyphID> glyphs_supplier (glyphs, num_glyphs);
- OT::Supplier<OT::GlyphID> substitutes_supplier (substitutes, num_glyphs);
-
- /* Each glyph takes four bytes max, and there's some overhead. */
- char buf[(SHAPING_TABLE_LAST - SHAPING_TABLE_FIRST + 1) * 4 + 128];
- OT::hb_serialize_context_t c (buf, sizeof (buf));
- OT::SubstLookup *lookup = c.start_serialize<OT::SubstLookup> ();
- bool ret = lookup->serialize_single (&c,
- OT::LookupFlag::IgnoreMarks,
- glyphs_supplier,
- substitutes_supplier,
- num_glyphs);
- c.end_serialize ();
- /* TODO sanitize the results? */
-
- return ret ? c.copy<OT::SubstLookup> () : NULL;
-}
-
-static OT::SubstLookup *
-arabic_fallback_synthesize_lookup_ligature (const hb_ot_shape_plan_t *plan HB_UNUSED,
- hb_font_t *font)
-{
- OT::GlyphID first_glyphs[ARRAY_LENGTH_CONST (ligature_table)];
- unsigned int first_glyphs_indirection[ARRAY_LENGTH_CONST (ligature_table)];
- unsigned int ligature_per_first_glyph_count_list[ARRAY_LENGTH_CONST (first_glyphs)];
- unsigned int num_first_glyphs = 0;
-
- /* We know that all our ligatures are 2-component */
- OT::GlyphID ligature_list[ARRAY_LENGTH_CONST (first_glyphs) * ARRAY_LENGTH_CONST(ligature_table[0].ligatures)];
- unsigned int component_count_list[ARRAY_LENGTH_CONST (ligature_list)];
- OT::GlyphID component_list[ARRAY_LENGTH_CONST (ligature_list) * 1/* One extra component per ligature */];
- unsigned int num_ligatures = 0;
-
- /* Populate arrays */
-
- /* Sort out the first-glyphs */
- for (unsigned int first_glyph_idx = 0; first_glyph_idx < ARRAY_LENGTH (first_glyphs); first_glyph_idx++)
- {
- hb_codepoint_t first_u = ligature_table[first_glyph_idx].first;
- hb_codepoint_t first_glyph;
- if (!hb_font_get_glyph (font, first_u, 0, &first_glyph))
- continue;
- first_glyphs[num_first_glyphs].set (first_glyph);
- ligature_per_first_glyph_count_list[num_first_glyphs] = 0;
- first_glyphs_indirection[num_first_glyphs] = first_glyph_idx;
- num_first_glyphs++;
- }
- hb_bubble_sort (&first_glyphs[0], num_first_glyphs, OT::GlyphID::cmp, &first_glyphs_indirection[0]);
-
- /* Now that the first-glyphs are sorted, walk again, populate ligatures. */
- for (unsigned int i = 0; i < num_first_glyphs; i++)
- {
- unsigned int first_glyph_idx = first_glyphs_indirection[i];
-
- for (unsigned int second_glyph_idx = 0; second_glyph_idx < ARRAY_LENGTH (ligature_table[0].ligatures); second_glyph_idx++)
- {
- hb_codepoint_t second_u = ligature_table[first_glyph_idx].ligatures[second_glyph_idx].second;
- hb_codepoint_t ligature_u = ligature_table[first_glyph_idx].ligatures[second_glyph_idx].ligature;
- hb_codepoint_t second_glyph, ligature_glyph;
- if (!second_u ||
- !hb_font_get_glyph (font, second_u, 0, &second_glyph) ||
- !hb_font_get_glyph (font, ligature_u, 0, &ligature_glyph))
- continue;
-
- ligature_per_first_glyph_count_list[i]++;
-
- ligature_list[num_ligatures].set (ligature_glyph);
- component_count_list[num_ligatures] = 2;
- component_list[num_ligatures].set (second_glyph);
- num_ligatures++;
- }
- }
-
- OT::Supplier<OT::GlyphID> first_glyphs_supplier (first_glyphs, num_first_glyphs);
- OT::Supplier<unsigned int > ligature_per_first_glyph_count_supplier (ligature_per_first_glyph_count_list, num_first_glyphs);
- OT::Supplier<OT::GlyphID> ligatures_supplier (ligature_list, num_ligatures);
- OT::Supplier<unsigned int > component_count_supplier (component_count_list, num_ligatures);
- OT::Supplier<OT::GlyphID> component_supplier (component_list, num_ligatures);
-
- /* 16 bytes per ligature ought to be enough... */
- char buf[ARRAY_LENGTH_CONST (ligature_list) * 16 + 128];
- OT::hb_serialize_context_t c (buf, sizeof (buf));
- OT::SubstLookup *lookup = c.start_serialize<OT::SubstLookup> ();
- bool ret = lookup->serialize_ligature (&c,
- OT::LookupFlag::IgnoreMarks,
- first_glyphs_supplier,
- ligature_per_first_glyph_count_supplier,
- num_first_glyphs,
- ligatures_supplier,
- component_count_supplier,
- component_supplier);
-
- c.end_serialize ();
- /* TODO sanitize the results? */
-
- return ret ? c.copy<OT::SubstLookup> () : NULL;
-}
-
-static OT::SubstLookup *
-arabic_fallback_synthesize_lookup (const hb_ot_shape_plan_t *plan,
- hb_font_t *font,
- unsigned int feature_index)
-{
- if (feature_index < 4)
- return arabic_fallback_synthesize_lookup_single (plan, font, feature_index);
- else
- return arabic_fallback_synthesize_lookup_ligature (plan, font);
-}
-
-struct arabic_fallback_plan_t
-{
- ASSERT_POD ();
-
- hb_mask_t mask_array[ARABIC_NUM_FALLBACK_FEATURES];
- OT::SubstLookup *lookup_array[ARABIC_NUM_FALLBACK_FEATURES];
- hb_set_digest_t digest_array[ARABIC_NUM_FALLBACK_FEATURES];
-};
-
-static const arabic_fallback_plan_t arabic_fallback_plan_nil = {};
-
-static arabic_fallback_plan_t *
-arabic_fallback_plan_create (const hb_ot_shape_plan_t *plan,
- hb_font_t *font)
-{
- arabic_fallback_plan_t *fallback_plan = (arabic_fallback_plan_t *) calloc (1, sizeof (arabic_fallback_plan_t));
- if (unlikely (!fallback_plan))
- return const_cast<arabic_fallback_plan_t *> (&arabic_fallback_plan_nil);
-
- for (unsigned int i = 0; i < ARABIC_NUM_FALLBACK_FEATURES; i++) {
- fallback_plan->mask_array[i] = plan->map.get_1_mask (arabic_fallback_features[i]);
- if (fallback_plan->mask_array[i]) {
- fallback_plan->lookup_array[i] = arabic_fallback_synthesize_lookup (plan, font, i);
- if (fallback_plan->lookup_array[i])
- fallback_plan->lookup_array[i]->add_coverage (&fallback_plan->digest_array[i]);
- }
- }
-
- return fallback_plan;
-}
-
-static void
-arabic_fallback_plan_destroy (arabic_fallback_plan_t *fallback_plan)
-{
- if (!fallback_plan || fallback_plan == &arabic_fallback_plan_nil)
- return;
-
- for (unsigned int i = 0; i < ARABIC_NUM_FALLBACK_FEATURES; i++)
- if (fallback_plan->lookup_array[i])
- free (fallback_plan->lookup_array[i]);
-
- free (fallback_plan);
-}
-
-static void
-arabic_fallback_plan_shape (arabic_fallback_plan_t *fallback_plan,
- hb_font_t *font,
- hb_buffer_t *buffer)
-{
- for (unsigned int i = 0; i < ARABIC_NUM_FALLBACK_FEATURES; i++)
- if (fallback_plan->lookup_array[i]) {
- OT::hb_apply_context_t c (font, buffer, fallback_plan->mask_array[i]);
- fallback_plan->lookup_array[i]->apply_string (&c, &fallback_plan->digest_array[i]);
- }
-}
-
-
-#endif /* HB_OT_SHAPE_COMPLEX_ARABIC_FALLBACK_HH */