--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-ot-var-hvar-table.hh	Thu Dec 07 11:55:06 2017 -0800
@@ -0,0 +1,165 @@
+/*
+ * 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
+ */
+
+#ifndef HB_OT_VAR_HVAR_TABLE_HH
+#define HB_OT_VAR_HVAR_TABLE_HH
+
+#include "hb-ot-layout-common-private.hh"
+
+
+namespace OT {
+
+
+struct DeltaSetIndexMap
+{
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (c->check_struct (this) &&
+                  c->check_array (mapData, get_width (), mapCount));
+  }
+
+  unsigned int map (unsigned int v) const /* Returns 16.16 outer.inner. */
+  {
+    /* If count is zero, pass value unchanged.  This takes
+     * care of direct mapping for advance map. */
+    if (!mapCount)
+      return v;
+
+    if (v >= mapCount)
+      v = mapCount - 1;
+
+    unsigned int u = 0;
+    { /* Fetch it. */
+      unsigned int w = get_width ();
+      const BYTE *p = mapData + w * v;
+      for (; w; w--)
+        u = (u << 8) + *p++;
+    }
+
+    { /* Repack it. */
+      unsigned int n = get_inner_bitcount ();
+      unsigned int outer = u >> n;
+      unsigned int inner = u & ((1 << n) - 1);
+      u = (outer<<16) | inner;
+    }
+
+    return u;
+  }
+
+  protected:
+  inline unsigned int get_width (void) const
+  { return ((format >> 4) & 3) + 1; }
+
+  inline unsigned int get_inner_bitcount (void) const
+  { return (format & 0xF) + 1; }
+
+  protected:
+  USHORT        format;         /* A packed field that describes the compressed
+                                 * representation of delta-set indices. */
+  USHORT        mapCount;       /* The number of mapping entries. */
+  BYTE          mapData[VAR];   /* The delta-set index mapping data. */
+
+  public:
+  DEFINE_SIZE_ARRAY (4, mapData);
+};
+
+
+/*
+ * HVAR -- The Horizontal Metrics Variations Table
+ * VVAR -- The Vertical Metrics Variations Table
+ */
+
+#define HB_OT_TAG_HVAR HB_TAG('H','V','A','R')
+#define HB_OT_TAG_VVAR HB_TAG('V','V','A','R')
+
+struct HVARVVAR
+{
+  static const hb_tag_t HVARTag = HB_OT_TAG_HVAR;
+  static const hb_tag_t VVARTag = HB_OT_TAG_VVAR;
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (version.sanitize (c) &&
+                  likely (version.major == 1) &&
+                  varStore.sanitize (c, this) &&
+                  advMap.sanitize (c, this) &&
+                  lsbMap.sanitize (c, this) &&
+                  rsbMap.sanitize (c, this));
+  }
+
+  inline float get_advance_var (hb_codepoint_t glyph,
+                                int *coords, unsigned int coord_count) const
+  {
+    unsigned int varidx = (this+advMap).map (glyph);
+    return (this+varStore).get_delta (varidx, coords, coord_count);
+  }
+
+  inline bool has_sidebearing_deltas (void) const
+  { return lsbMap && rsbMap; }
+
+  protected:
+  FixedVersion<>version;        /* Version of the metrics variation table
+                                 * initially set to 0x00010000u */
+  LOffsetTo<VariationStore>
+                varStore;       /* Offset to item variation store table. */
+  LOffsetTo<DeltaSetIndexMap>
+                advMap;         /* Offset to advance var-idx mapping. */
+  LOffsetTo<DeltaSetIndexMap>
+                lsbMap;         /* Offset to lsb/tsb var-idx mapping. */
+  LOffsetTo<DeltaSetIndexMap>
+                rsbMap;         /* Offset to rsb/bsb var-idx mapping. */
+
+  public:
+  DEFINE_SIZE_STATIC (20);
+};
+
+struct HVAR : HVARVVAR {
+  static const hb_tag_t tableTag        = HB_OT_TAG_HVAR;
+};
+struct VVAR : HVARVVAR {
+  static const hb_tag_t tableTag        = HB_OT_TAG_VVAR;
+
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (static_cast<const HVARVVAR *> (this)->sanitize (c) &&
+                  vorgMap.sanitize (c, this));
+  }
+
+  protected:
+  LOffsetTo<DeltaSetIndexMap>
+                vorgMap;        /* Offset to vertical-origin var-idx mapping. */
+
+  public:
+  DEFINE_SIZE_STATIC (24);
+};
+
+} /* namespace OT */
+
+
+#endif /* HB_OT_VAR_HVAR_TABLE_HH */