85 lines
2.3 KiB
C++
85 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_OT_GASP_TABLE_HH
|
|
#define HB_OT_GASP_TABLE_HH
|
|
|
|
#include "hb-open-type.hh"
|
|
#include "hb-ot-hhea-table.hh"
|
|
#include "hb-ot-os2-table.hh"
|
|
#include "hb-ot-var-hvar-table.hh"
|
|
|
|
/*
|
|
* gasp -- Grid-fitting and Scan-conversion Procedure
|
|
* https://docs.microsoft.com/en-us/typography/opentype/spec/gasp
|
|
*/
|
|
#define HB_OT_TAG_gasp HB_TAG('g','a','s','p')
|
|
|
|
|
|
namespace OT {
|
|
|
|
struct GaspRange
|
|
{
|
|
bool sanitize (hb_sanitize_context_t *c) const
|
|
{
|
|
TRACE_SANITIZE (this);
|
|
return_trace (c->check_struct (this));
|
|
}
|
|
|
|
public:
|
|
HBUINT16 rangeMaxPPEM; /* Upper limit of range, in PPEM */
|
|
HBUINT16 rangeGaspBehavior;
|
|
/* Flags describing desired rasterizer behavior. */
|
|
public:
|
|
DEFINE_SIZE_STATIC (4);
|
|
};
|
|
|
|
struct gasp
|
|
{
|
|
static constexpr hb_tag_t tableTag = HB_OT_TAG_gasp;
|
|
|
|
const GaspRange &get_gasp_range (unsigned int i) const
|
|
{ return gaspRanges[i]; }
|
|
|
|
bool sanitize (hb_sanitize_context_t *c) const
|
|
{
|
|
TRACE_SANITIZE (this);
|
|
return_trace (c->check_struct (this) &&
|
|
gaspRanges.sanitize (c));
|
|
}
|
|
|
|
protected:
|
|
HBUINT16 version; /* Version number (set to 1) */
|
|
ArrayOf<GaspRange>
|
|
gaspRanges; /* Number of records to follow
|
|
* Sorted by ppem */
|
|
public:
|
|
DEFINE_SIZE_ARRAY (4, gaspRanges);
|
|
};
|
|
|
|
} /* namespace OT */
|
|
|
|
|
|
#endif /* HB_OT_GASP_TABLE_HH */
|