2018-02-25 22:01:09 +01:00
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/*
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* Copyright © 2018 Ebrahim Byagowi
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*/
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#ifndef HB_AAT_LAYOUT_ANKR_TABLE_HH
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#define HB_AAT_LAYOUT_ANKR_TABLE_HH
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#include "hb-aat-layout-common-private.hh"
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#define HB_AAT_TAG_ankr HB_TAG('a','n','k','r')
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namespace AAT {
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/*
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* ankr -- Anchor point
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*/
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struct GlyphDataTable
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{
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inline bool sanitize (hb_sanitize_context_t *c) const
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{
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TRACE_SANITIZE (this);
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return_trace (c->check_struct (this) &&
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2018-02-26 08:59:48 +01:00
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(numPoints != 0) &&
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2018-02-25 22:01:09 +01:00
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(anchorPoints.sanitize (c, numPoints)));
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}
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protected:
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HBUINT32 numPoints; /* Number of anchor points for this glyph */
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UnsizedArrayOf<HBUINT32> anchorPoints; /* Individual anchor points. Each anchor point is a two-byte
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* signed x-coordinate followed by a two-byte signed y-coordinate */
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public:
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DEFINE_SIZE_ARRAY (4, anchorPoints);
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};
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struct ankr
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{
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static const hb_tag_t tableTag = HB_AAT_TAG_ankr;
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inline bool sanitize (hb_sanitize_context_t *c) const
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{
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TRACE_SANITIZE (this);
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return_trace (c->check_struct (this) &&
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(version == 0) &&
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(flags == 0) &&
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(lookupTableOffset == 0x0000000C) &&
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(glyphDataTableOffset.sanitize (c, this)));
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}
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protected:
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HBUINT16 version; /* Version number (set to zero) */
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HBUINT16 flags; /* Flags (currently unused; set to zero) */
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LOffsetTo<const void*> lookupTableOffset; /* Offset to the table's lookup table */
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LOffsetTo<GlyphDataTable> glyphDataTableOffset; /* Offset to the glyph data table */
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public:
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DEFINE_SIZE_MIN (12);
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};
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} /* namespace AAT */
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#endif /* HB_AAT_LAYOUT_ANKR_TABLE_HH */
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