chromium/third_party/harfbuzz-ng/src/src/hb-cff2-interp-cs.hh

/*
 * Copyright © 2018 Adobe 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.
 *
 * Adobe Author(s): Michiharu Ariza
 */
#ifndef HB_CFF2_INTERP_CS_HH
#define HB_CFF2_INTERP_CS_HH

#include "hb.hh"
#include "hb-cff-interp-cs-common.hh"

namespace CFF {

usingnamespaceOT;

struct blend_arg_t : number_t
{ … };

cff2_biased_subrs_t;

template <typename ELEM>
struct cff2_cs_interp_env_t : cs_interp_env_t<ELEM, CFF2Subrs>
{ … };
template <typename OPSET, typename PARAM, typename ELEM, typename PATH=path_procs_null_t<cff2_cs_interp_env_t<ELEM>, PARAM>>
struct cff2_cs_opset_t : cs_opset_t<ELEM, OPSET, cff2_cs_interp_env_t<ELEM>, PARAM, PATH>
{
  static void process_op (op_code_t op, cff2_cs_interp_env_t<ELEM> &env, PARAM& param)
  { … }

  template <typename T = ELEM,
	    hb_enable_if (hb_is_same (T, blend_arg_t))>
  static void process_arg_blend (cff2_cs_interp_env_t<ELEM> &env,
				 ELEM &arg,
				 const hb_array_t<const ELEM> blends,
				 unsigned n, unsigned i)
  { … }
  template <typename T = ELEM,
	    hb_enable_if (!hb_is_same (T, blend_arg_t))>
  static void process_arg_blend (cff2_cs_interp_env_t<ELEM> &env,
				 ELEM &arg,
				 const hb_array_t<const ELEM> blends,
				 unsigned n, unsigned i)
  { … }

  static void process_blend (cff2_cs_interp_env_t<ELEM> &env, PARAM& param)
  { … }

  static void process_vsindex (cff2_cs_interp_env_t<ELEM> &env, PARAM& param)
  { … }

  private:
  typedef cs_opset_t<ELEM, OPSET, cff2_cs_interp_env_t<ELEM>, PARAM, PATH>  SUPER;
};

cff2_cs_interpreter_t;

} /* namespace CFF */

#endif /* HB_CFF2_INTERP_CS_HH */