/*

 * Copyright © 2016  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_POST_TABLE_HH

#define HB_OT_POST_TABLE_HH

#include "hb-open-type-private.hh"

namespace OT {

/*

 * post -- PostScript

 */

#define HB_OT_TAG_post HB_TAG('p','o','s','t')

struct postV2Tail

{

  inline bool sanitize (hb_sanitize_context_t *c) const

  {

    TRACE_SANITIZE (this);

    return_trace (numberOfGlyphs.sanitize (c) &&

		  c->check_array (glyphNameIndex, sizeof (USHORT), numberOfGlyphs));

  }

  USHORT	numberOfGlyphs;		/* Number of glyphs (this should be the

					 * same as numGlyphs in 'maxp' table). */

  USHORT	glyphNameIndex[VAR];	/* This is not an offset, but is the

					 * ordinal number of the glyph in 'post'

					 * string tables. */

  BYTE		namesX[VAR];		/* Glyph names with length bytes [variable]

					 * (a Pascal string). */

  DEFINE_SIZE_ARRAY2 (2, glyphNameIndex, namesX);

};

struct post

{

  static const hb_tag_t tableTag = HB_OT_TAG_post;

  inline bool sanitize (hb_sanitize_context_t *c) const

  {

    TRACE_SANITIZE (this);

    if (unlikely (!c->check_struct (this)))

      return_trace (false);

    if (version.to_int () == 0x00020000)

    {

      const postV2Tail &v2 = StructAfter<postV2Tail>(*this);

      return_trace (v2.sanitize (c));

    }

    return_trace (true);

  }

  public:

  FixedVersion<>version;		/* 0x00010000 for version 1.0

					 * 0x00020000 for version 2.0

					 * 0x00025000 for version 2.5 (deprecated)

					 * 0x00030000 for version 3.0 */

  Fixed		italicAngle;		/* Italic angle in counter-clockwise degrees

					 * from the vertical. Zero for upright text,

					 * negative for text that leans to the right

					 * (forward). */

  FWORD		underlinePosition;	/* This is the suggested distance of the top

					 * of the underline from the baseline

					 * (negative values indicate below baseline).

					 * The PostScript definition of this FontInfo

					 * dictionary key (the y coordinate of the

					 * center of the stroke) is not used for

					 * historical reasons. The value of the

					 * PostScript key may be calculated by

					 * subtracting half the underlineThickness

					 * from the value of this field. */

  FWORD		underlineThickness;	/* Suggested values for the underline

					   thickness. */

  ULONG		isFixedPitch;		/* Set to 0 if the font is proportionally

					 * spaced, non-zero if the font is not

					 * proportionally spaced (i.e. monospaced). */

  ULONG		minMemType42;		/* Minimum memory usage when an OpenType font

					 * is downloaded. */

  ULONG		maxMemType42;		/* Maximum memory usage when an OpenType font

					 * is downloaded. */

  ULONG		minMemType1;		/* Minimum memory usage when an OpenType font

					 * is downloaded as a Type 1 font. */

  ULONG		maxMemType1;		/* Maximum memory usage when an OpenType font

					 * is downloaded as a Type 1 font. */

/*postV2Tail	v2[VAR];*/

  DEFINE_SIZE_STATIC (32);

};

} /* namespace OT */

#endif /* HB_OT_POST_TABLE_HH */