chromium/third_party/harfbuzz-ng/src/src/hb-aat-layout-kerx-table.hh

/*
 * Copyright © 2018  Ebrahim Byagowi
 * Copyright © 2018  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_AAT_LAYOUT_KERX_TABLE_HH
#define HB_AAT_LAYOUT_KERX_TABLE_HH

#include "hb-kern.hh"
#include "hb-aat-layout-ankr-table.hh"
#include "hb-set-digest.hh"

/*
 * kerx -- Extended Kerning
 * https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6kerx.html
 */
#define HB_AAT_TAG_kerx …


namespace AAT {

usingnamespaceOT;


static inline int
kerxTupleKern (int value,
	       unsigned int tupleCount,
	       const void *base,
	       hb_aat_apply_context_t *c)
{ … }


struct hb_glyph_pair_t
{ … };

struct KernPair
{ … };

template <typename KernSubTableHeader>
struct KerxSubTableFormat0
{ … };


template <bool extended>
struct Format1Entry;

template <>
struct Format1Entry<true>
{ … };
template <>
struct Format1Entry<false>
{ … };

template <typename KernSubTableHeader>
struct KerxSubTableFormat1
{ … };

template <typename KernSubTableHeader>
struct KerxSubTableFormat2
{ … };

template <typename KernSubTableHeader>
struct KerxSubTableFormat4
{ … };

template <typename KernSubTableHeader>
struct KerxSubTableFormat6
{ … };


struct KerxSubTableHeader
{ … };

struct KerxSubTable
{ … };


/*
 * The 'kerx' Table
 */

kern_accelerator_data_t;

template <typename T>
struct KerxTable
{ … };

struct kerx : KerxTable<kerx>
{ … };

struct kerx_accelerator_t : kerx::accelerator_t { … };

} /* namespace AAT */

#endif /* HB_AAT_LAYOUT_KERX_TABLE_HH */