[aat] Implement gcid table parsing (#944)

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Ebrahim Byagowi 2018-03-30 21:57:10 +04:30 committed by GitHub
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3 changed files with 75 additions and 0 deletions

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@ -87,6 +87,7 @@ HB_OT_sources = \
hb-aat-layout-morx-table.hh \ hb-aat-layout-morx-table.hh \
hb-aat-layout-trak-table.hh \ hb-aat-layout-trak-table.hh \
hb-aat-fmtx-table.hh \ hb-aat-fmtx-table.hh \
hb-aat-gcid-table.hh \
hb-aat-ltag-table.hh \ hb-aat-ltag-table.hh \
hb-aat-layout-private.hh \ hb-aat-layout-private.hh \
hb-ot-font.cc \ hb-ot-font.cc \

73
src/hb-aat-gcid-table.hh Normal file
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@ -0,0 +1,73 @@
/*
* 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_GCID_TABLE_HH
#define HB_AAT_GCID_TABLE_HH
#include "hb-aat-layout-common-private.hh"
#define HB_AAT_TAG_gcid HB_TAG('g','c','i','d')
namespace AAT {
/*
* gcid -- Glyphs CIDs
* https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6gcid.html
*/
struct gcid
{
static const hb_tag_t tableTag = HB_AAT_TAG_gcid;
inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (c->check_struct (this) && CIDs.sanitize (c));
}
protected:
HBUINT16 version; /* Version number (set to 0) */
HBUINT16 format; /* Data format (set to 0) */
HBUINT32 size; /* Size of the table, including header */
HBUINT16 registry; /* The registry ID */
uint8_t registryName[64];
/* The registry name in ASCII */
HBUINT16 order; /* The order ID */
uint8_t orderName[64]; /* The order name in ASCII */
HBUINT16 supplementVersion;
/* The supplement version */
ArrayOf<HBUINT16>
CIDs; /* The CIDs for the glyphs in the font,
* starting with glyph 0. If a glyph does not correspond
* to a CID in the identified collection, 0xFFFF is used.
* This should not exceed the number of glyphs in the font. */
public:
DEFINE_SIZE_ARRAY (144, CIDs);
};
} /* namespace AAT */
#endif /* HB_AAT_GCID_TABLE_HH */

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@ -36,6 +36,7 @@
#include "hb-aat-layout-morx-table.hh" #include "hb-aat-layout-morx-table.hh"
#include "hb-aat-layout-trak-table.hh" #include "hb-aat-layout-trak-table.hh"
#include "hb-aat-fmtx-table.hh" // Just so we compile it; unused otherwise. #include "hb-aat-fmtx-table.hh" // Just so we compile it; unused otherwise.
#include "hb-aat-gcid-table.hh" // Just so we compile it; unused otherwise.
#include "hb-aat-ltag-table.hh" // Just so we compile it; unused otherwise. #include "hb-aat-ltag-table.hh" // Just so we compile it; unused otherwise.
/* /*