harfbuzz/src/hb-ot-face.hh

117 lines
3.8 KiB
C++

/*
* Copyright © 2007,2008,2009 Red Hat, Inc.
* Copyright © 2012,2013 Google, Inc.
*
* 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.
*
* Red Hat Author(s): Behdad Esfahbod
* Google Author(s): Behdad Esfahbod
*/
#ifndef HB_OT_FACE_HH
#define HB_OT_FACE_HH
#include "hb.hh"
#include "hb-machinery.hh"
#define hb_ot_face_data(face) ((hb_ot_face_data_t *) face->shaper_data.ot.get_relaxed ())
/*
* hb_ot_face_data_t
*/
/* Most of these tables are NOT needed for shaping. But we need to hook them *somewhere*.
* This is as good as any place. */
#define HB_OT_LAYOUT_TABLES \
/* OpenType shaping. */ \
HB_OT_LAYOUT_TABLE(OT, JSTF) \
HB_OT_LAYOUT_TABLE(OT, BASE) \
/* AAT shaping. */ \
HB_OT_LAYOUT_TABLE(AAT, morx) \
HB_OT_LAYOUT_TABLE(AAT, kerx) \
HB_OT_LAYOUT_TABLE(AAT, ankr) \
HB_OT_LAYOUT_TABLE(AAT, trak) \
/* OpenType variations. */ \
HB_OT_LAYOUT_TABLE(OT, fvar) \
HB_OT_LAYOUT_TABLE(OT, avar) \
HB_OT_LAYOUT_TABLE(OT, MVAR) \
/* OpenType math. */ \
HB_OT_LAYOUT_TABLE(OT, MATH) \
/* OpenType fundamentals. */ \
HB_OT_LAYOUT_ACCELERATOR(OT, GDEF) \
HB_OT_LAYOUT_ACCELERATOR(OT, GSUB) \
HB_OT_LAYOUT_ACCELERATOR(OT, GPOS) \
HB_OT_LAYOUT_ACCELERATOR(OT, cmap) \
HB_OT_LAYOUT_ACCELERATOR(OT, hmtx) \
HB_OT_LAYOUT_ACCELERATOR(OT, vmtx) \
HB_OT_LAYOUT_ACCELERATOR(OT, post) \
HB_OT_LAYOUT_ACCELERATOR(OT, kern) \
HB_OT_LAYOUT_ACCELERATOR(OT, glyf) \
HB_OT_LAYOUT_ACCELERATOR(OT, CBDT) \
/* */
/* Declare tables. */
#define HB_OT_LAYOUT_TABLE(Namespace, Type) namespace Namespace { struct Type; }
#define HB_OT_LAYOUT_ACCELERATOR(Namespace, Type) HB_OT_LAYOUT_TABLE (Namespace, Type##_accelerator_t)
HB_OT_LAYOUT_TABLES
#undef HB_OT_LAYOUT_ACCELERATOR
#undef HB_OT_LAYOUT_TABLE
struct hb_ot_face_data_t
{
HB_INTERNAL void init0 (hb_face_t *face);
HB_INTERNAL void fini (void);
#define HB_OT_LAYOUT_TABLE_ORDER(Namespace, Type) \
HB_PASTE (ORDER_, HB_PASTE (Namespace, HB_PASTE (_, Type)))
enum order_t
{
ORDER_ZERO,
#define HB_OT_LAYOUT_TABLE(Namespace, Type) HB_OT_LAYOUT_TABLE_ORDER (Namespace, Type),
#define HB_OT_LAYOUT_ACCELERATOR(Namespace, Type) HB_OT_LAYOUT_TABLE (Namespace, Type)
HB_OT_LAYOUT_TABLES
#undef HB_OT_LAYOUT_ACCELERATOR
#undef HB_OT_LAYOUT_TABLE
};
hb_face_t *face; /* MUST be JUST before the lazy loaders. */
#define HB_OT_LAYOUT_TABLE(Namespace, Type) \
hb_table_lazy_loader_t<Namespace::Type, HB_OT_LAYOUT_TABLE_ORDER (Namespace, Type)> Type;
#define HB_OT_LAYOUT_ACCELERATOR(Namespace, Type) \
hb_face_lazy_loader_t<Namespace::Type##_accelerator_t, HB_OT_LAYOUT_TABLE_ORDER (Namespace, Type)> Type;
HB_OT_LAYOUT_TABLES
#undef HB_OT_LAYOUT_ACCELERATOR
#undef HB_OT_LAYOUT_TABLE
};
HB_INTERNAL hb_ot_face_data_t *
_hb_ot_face_data_create (hb_face_t *face);
HB_INTERNAL void
_hb_ot_face_data_destroy (hb_ot_face_data_t *data);
#endif /* HB_OT_FACE_HH */