76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
/*
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* Copyright © 2007,2008,2009 Red Hat, Inc.
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* Copyright © 2010,2012 Google, Inc.
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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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* Red Hat Author(s): Behdad Esfahbod
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* Google Author(s): Behdad Esfahbod, Garret Rieger
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*/
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#ifndef OT_LAYOUT_COMMON_RANGERECORD_HH
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#define OT_LAYOUT_COMMON_RANGERECORD_HH
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namespace OT {
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namespace Layout {
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namespace Common {
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template <typename Types>
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struct RangeRecord
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{
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typename Types::HBGlyphID first; /* First GlyphID in the range */
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typename Types::HBGlyphID last; /* Last GlyphID in the range */
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HBUINT16 value; /* Value */
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DEFINE_SIZE_STATIC (2 + 2 * Types::size);
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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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}
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int cmp (hb_codepoint_t g) const
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{ return g < first ? -1 : g <= last ? 0 : +1; }
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bool intersects (const hb_set_t *glyphs) const
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{ return glyphs->intersects (first, last); }
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template <typename set_t>
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bool collect_coverage (set_t *glyphs) const
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{ return glyphs->add_range (first, last); }
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};
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}
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}
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}
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extern HB_INTERNAL const unsigned char _hb_Null_OT_RangeRecord[9];
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template <typename Spec>
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struct Null<OT::Layout::Common::RangeRecord<Spec>> {
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static OT::Layout::Common::RangeRecord<Spec> const & get_null () {
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return *reinterpret_cast<const OT::Layout::Common::RangeRecord<Spec> *> (_hb_Null_OT_RangeRecord);
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}
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};
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#endif // #ifndef OT_LAYOUT_COMMON_RANGERECORD_HH
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