harfbuzz/src/hb-aat-layout-ankr-table.hh

83 lines
2.3 KiB
C++

/*
* Copyright © 2018 Ebrahim Byagowi
*
* 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.
*/
#ifndef HB_AAT_LAYOUT_ANKR_TABLE_HH
#define HB_AAT_LAYOUT_ANKR_TABLE_HH
#include "hb-aat-layout-common.hh"
/*
* ankr -- Anchor Point
* https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6ankr.html
*/
#define HB_AAT_TAG_ankr HB_TAG('a','n','k','r')
namespace AAT {
struct Anchor
{
inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (c->check_struct (this));
}
FWORD xCoordinate;
FWORD yCoordinate;
public:
DEFINE_SIZE_STATIC (4);
};
struct ankr
{
static const hb_tag_t tableTag = HB_AAT_TAG_ankr;
inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (likely (c->check_struct (this) &&
version == 0 &&
lookupTable.sanitize (c, this) &&
anchors.sanitize (c, this)));
}
protected:
HBUINT16 version; /* Version number (set to zero) */
HBUINT16 flags; /* Flags (currently unused; set to zero) */
LOffsetTo<Lookup<HBUINT16> >
lookupTable; /* Offset to the table's lookup table */
LOffsetTo<LArrayOf<Anchor> >
anchors; /* Offset to the glyph data table */
public:
DEFINE_SIZE_STATIC (12);
};
} /* namespace AAT */
#endif /* HB_AAT_LAYOUT_ANKR_TABLE_HH */