--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-ot-var.cc	Thu Dec 07 11:55:06 2017 -0800
@@ -0,0 +1,159 @@
+/*
+ * Copyright © 2017  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
+ */
+
+#include "hb-open-type-private.hh"
+
+#include "hb-ot-layout-private.hh"
+#include "hb-ot-var-avar-table.hh"
+#include "hb-ot-var-fvar-table.hh"
+#include "hb-ot-var-mvar-table.hh"
+#include "hb-ot-var.h"
+
+/*
+ * fvar/avar
+ */
+
+static inline const OT::fvar&
+_get_fvar (hb_face_t *face)
+{
+  if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(OT::fvar);
+  hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
+  return *(layout->fvar.get ());
+}
+static inline const OT::avar&
+_get_avar (hb_face_t *face)
+{
+  if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(OT::avar);
+  hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
+  return *(layout->avar.get ());
+}
+
+/**
+ * hb_ot_var_has_data:
+ * @face: #hb_face_t to test
+ *
+ * This function allows to verify the presence of OpenType variation data on the face.
+ * Alternatively, use hb_ot_var_get_axis_count().
+ *
+ * Return value: true if face has a `fvar' table and false otherwise
+ *
+ * Since: 1.4.2
+ **/
+hb_bool_t
+hb_ot_var_has_data (hb_face_t *face)
+{
+  return &_get_fvar (face) != &OT::Null(OT::fvar);
+}
+
+/**
+ * hb_ot_var_get_axis_count:
+ *
+ * Since: 1.4.2
+ **/
+unsigned int
+hb_ot_var_get_axis_count (hb_face_t *face)
+{
+  const OT::fvar &fvar = _get_fvar (face);
+  return fvar.get_axis_count ();
+}
+
+/**
+ * hb_ot_var_get_axes:
+ *
+ * Since: 1.4.2
+ **/
+unsigned int
+hb_ot_var_get_axes (hb_face_t        *face,
+                    unsigned int      start_offset,
+                    unsigned int     *axes_count /* IN/OUT */,
+                    hb_ot_var_axis_t *axes_array /* OUT */)
+{
+  const OT::fvar &fvar = _get_fvar (face);
+  return fvar.get_axis_infos (start_offset, axes_count, axes_array);
+}
+
+/**
+ * hb_ot_var_find_axis:
+ *
+ * Since: 1.4.2
+ **/
+hb_bool_t
+hb_ot_var_find_axis (hb_face_t        *face,
+                     hb_tag_t          axis_tag,
+                     unsigned int     *axis_index,
+                     hb_ot_var_axis_t *axis_info)
+{
+  const OT::fvar &fvar = _get_fvar (face);
+  return fvar.find_axis (axis_tag, axis_index, axis_info);
+}
+
+
+/**
+ * hb_ot_var_normalize_variations:
+ *
+ * Since: 1.4.2
+ **/
+void
+hb_ot_var_normalize_variations (hb_face_t            *face,
+                                const hb_variation_t *variations, /* IN */
+                                unsigned int          variations_length,
+                                int                  *coords, /* OUT */
+                                unsigned int          coords_length)
+{
+  for (unsigned int i = 0; i < coords_length; i++)
+    coords[i] = 0;
+
+  const OT::fvar &fvar = _get_fvar (face);
+  for (unsigned int i = 0; i < variations_length; i++)
+  {
+    unsigned int axis_index;
+    if (hb_ot_var_find_axis (face, variations[i].tag, &axis_index, nullptr) &&
+        axis_index < coords_length)
+      coords[axis_index] = fvar.normalize_axis_value (axis_index, variations[i].value);
+  }
+
+  const OT::avar &avar = _get_avar (face);
+  avar.map_coords (coords, coords_length);
+}
+
+/**
+ * hb_ot_var_normalize_coords:
+ *
+ * Since: 1.4.2
+ **/
+void
+hb_ot_var_normalize_coords (hb_face_t    *face,
+                            unsigned int coords_length,
+                            const float *design_coords, /* IN */
+                            int *normalized_coords /* OUT */)
+{
+  const OT::fvar &fvar = _get_fvar (face);
+  for (unsigned int i = 0; i < coords_length; i++)
+    normalized_coords[i] = fvar.normalize_axis_value (i, design_coords[i]);
+
+  const OT::avar &avar = _get_avar (face);
+  avar.map_coords (normalized_coords, coords_length);
+}