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