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diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-draw.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-draw.cc
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+/*
+ * Copyright © 2019-2020 Ebrahim Byagowi
+ *
+ * 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.
+ */
+
+#include "hb.hh"
+
+#ifndef HB_NO_DRAW
+#ifdef HB_EXPERIMENTAL_API
+
+#include "hb-draw.hh"
+#include "hb-ot.h"
+#include "hb-ot-glyf-table.hh"
+#include "hb-ot-cff1-table.hh"
+#include "hb-ot-cff2-table.hh"
+
+/**
+ * hb_draw_funcs_set_move_to_func:
+ * @funcs: draw functions object
+ * @move_to: move-to callback
+ *
+ * Sets move-to callback to the draw functions object.
+ *
+ * Since: EXPERIMENTAL
+ **/
+void
+hb_draw_funcs_set_move_to_func (hb_draw_funcs_t *funcs,
+ hb_draw_move_to_func_t move_to)
+{
+ if (unlikely (hb_object_is_immutable (funcs))) return;
+ funcs->move_to = move_to;
+}
+
+/**
+ * hb_draw_funcs_set_line_to_func:
+ * @funcs: draw functions object
+ * @line_to: line-to callback
+ *
+ * Sets line-to callback to the draw functions object.
+ *
+ * Since: EXPERIMENTAL
+ **/
+void
+hb_draw_funcs_set_line_to_func (hb_draw_funcs_t *funcs,
+ hb_draw_line_to_func_t line_to)
+{
+ if (unlikely (hb_object_is_immutable (funcs))) return;
+ funcs->line_to = line_to;
+}
+
+/**
+ * hb_draw_funcs_set_quadratic_to_func:
+ * @funcs: draw functions object
+ * @move_to: quadratic-to callback
+ *
+ * Sets quadratic-to callback to the draw functions object.
+ *
+ * Since: EXPERIMENTAL
+ **/
+void
+hb_draw_funcs_set_quadratic_to_func (hb_draw_funcs_t *funcs,
+ hb_draw_quadratic_to_func_t quadratic_to)
+{
+ if (unlikely (hb_object_is_immutable (funcs))) return;
+ funcs->quadratic_to = quadratic_to;
+ funcs->is_quadratic_to_set = true;
+}
+
+/**
+ * hb_draw_funcs_set_cubic_to_func:
+ * @funcs: draw functions
+ * @cubic_to: cubic-to callback
+ *
+ * Sets cubic-to callback to the draw functions object.
+ *
+ * Since: EXPERIMENTAL
+ **/
+void
+hb_draw_funcs_set_cubic_to_func (hb_draw_funcs_t *funcs,
+ hb_draw_cubic_to_func_t cubic_to)
+{
+ if (unlikely (hb_object_is_immutable (funcs))) return;
+ funcs->cubic_to = cubic_to;
+}
+
+/**
+ * hb_draw_funcs_set_close_path_func:
+ * @funcs: draw functions object
+ * @close_path: close-path callback
+ *
+ * Sets close-path callback to the draw functions object.
+ *
+ * Since: EXPERIMENTAL
+ **/
+void
+hb_draw_funcs_set_close_path_func (hb_draw_funcs_t *funcs,
+ hb_draw_close_path_func_t close_path)
+{
+ if (unlikely (hb_object_is_immutable (funcs))) return;
+ funcs->close_path = close_path;
+}
+
+static void
+_move_to_nil (hb_position_t to_x HB_UNUSED, hb_position_t to_y HB_UNUSED, void *user_data HB_UNUSED) {}
+
+static void
+_line_to_nil (hb_position_t to_x HB_UNUSED, hb_position_t to_y HB_UNUSED, void *user_data HB_UNUSED) {}
+
+static void
+_quadratic_to_nil (hb_position_t control_x HB_UNUSED, hb_position_t control_y HB_UNUSED,
+ hb_position_t to_x HB_UNUSED, hb_position_t to_y HB_UNUSED,
+ void *user_data HB_UNUSED) {}
+
+static void
+_cubic_to_nil (hb_position_t control1_x HB_UNUSED, hb_position_t control1_y HB_UNUSED,
+ hb_position_t control2_x HB_UNUSED, hb_position_t control2_y HB_UNUSED,
+ hb_position_t to_x HB_UNUSED, hb_position_t to_y HB_UNUSED,
+ void *user_data HB_UNUSED) {}
+
+static void
+_close_path_nil (void *user_data HB_UNUSED) {}
+
+/**
+ * hb_draw_funcs_create:
+ *
+ * Creates a new draw callbacks object.
+ *
+ * Since: EXPERIMENTAL
+ **/
+hb_draw_funcs_t *
+hb_draw_funcs_create ()
+{
+ hb_draw_funcs_t *funcs;
+ if (unlikely (!(funcs = hb_object_create<hb_draw_funcs_t> ())))
+ return const_cast<hb_draw_funcs_t *> (&Null (hb_draw_funcs_t));
+
+ funcs->move_to = (hb_draw_move_to_func_t) _move_to_nil;
+ funcs->line_to = (hb_draw_line_to_func_t) _line_to_nil;
+ funcs->quadratic_to = (hb_draw_quadratic_to_func_t) _quadratic_to_nil;
+ funcs->is_quadratic_to_set = false;
+ funcs->cubic_to = (hb_draw_cubic_to_func_t) _cubic_to_nil;
+ funcs->close_path = (hb_draw_close_path_func_t) _close_path_nil;
+ return funcs;
+}
+
+/**
+ * hb_draw_funcs_reference:
+ * @funcs: draw functions
+ *
+ * Add to callbacks object refcount.
+ *
+ * Returns: The same object.
+ * Since: EXPERIMENTAL
+ **/
+hb_draw_funcs_t *
+hb_draw_funcs_reference (hb_draw_funcs_t *funcs)
+{
+ return hb_object_reference (funcs);
+}
+
+/**
+ * hb_draw_funcs_destroy:
+ * @funcs: draw functions
+ *
+ * Decreases refcount of callbacks object and deletes the object if it reaches
+ * to zero.
+ *
+ * Since: EXPERIMENTAL
+ **/
+void
+hb_draw_funcs_destroy (hb_draw_funcs_t *funcs)
+{
+ if (!hb_object_destroy (funcs)) return;
+
+ free (funcs);
+}
+
+/**
+ * hb_draw_funcs_make_immutable:
+ * @funcs: draw functions
+ *
+ * Makes funcs object immutable.
+ *
+ * Since: EXPERIMENTAL
+ **/
+void
+hb_draw_funcs_make_immutable (hb_draw_funcs_t *funcs)
+{
+ if (hb_object_is_immutable (funcs))
+ return;
+
+ hb_object_make_immutable (funcs);
+}
+
+/**
+ * hb_draw_funcs_is_immutable:
+ * @funcs: draw functions
+ *
+ * Checks whether funcs is immutable.
+ *
+ * Returns: If is immutable.
+ * Since: EXPERIMENTAL
+ **/
+hb_bool_t
+hb_draw_funcs_is_immutable (hb_draw_funcs_t *funcs)
+{
+ return hb_object_is_immutable (funcs);
+}
+
+/**
+ * hb_font_draw_glyph:
+ * @font: a font object
+ * @glyph: a glyph id
+ * @funcs: draw callbacks object
+ * @user_data: parameter you like be passed to the callbacks when are called
+ *
+ * Draw a glyph.
+ *
+ * Returns: Whether the font had the glyph and the operation completed successfully.
+ * Since: EXPERIMENTAL
+ **/
+hb_bool_t
+hb_font_draw_glyph (hb_font_t *font, hb_codepoint_t glyph,
+ const hb_draw_funcs_t *funcs,
+ void *user_data)
+{
+ if (unlikely (funcs == &Null (hb_draw_funcs_t) ||
+ glyph >= font->face->get_num_glyphs ()))
+ return false;
+
+ draw_helper_t draw_helper (funcs, user_data);
+ if (font->face->table.glyf->get_path (font, glyph, draw_helper)) return true;
+#ifndef HB_NO_CFF
+ if (font->face->table.cff1->get_path (font, glyph, draw_helper)) return true;
+ if (font->face->table.cff2->get_path (font, glyph, draw_helper)) return true;
+#endif
+
+ return false;
+}
+
+#endif
+#endif