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/*
* 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 */
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