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-/*
- * 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_FDSC_TABLE_HH
-#define HB_AAT_FDSC_TABLE_HH
-
-#include "hb-aat-layout-common.hh"
-#include "hb-open-type.hh"
-
-/*
- * fdsc -- Font descriptors
- * https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6fdsc.html
- */
-#define HB_AAT_TAG_fdsc HB_TAG('f','d','s','c')
-
-
-namespace AAT {
-
-
-struct FontDescriptor
-{
- bool has_data () const { return tag; }
-
- int cmp (hb_tag_t a) const { return tag.cmp (a); }
-
- float get_value () const { return u.value.to_float (); }
-
- enum non_alphabetic_value_t {
- Alphabetic = 0,
- Dingbats = 1,
- PiCharacters = 2,
- Fleurons = 3,
- DecorativeBorders = 4,
- InternationalSymbols= 5,
- MathSymbols = 6
- };
-
- bool sanitize (hb_sanitize_context_t *c) const
- {
- TRACE_SANITIZE (this);
- return_trace (c->check_struct (this));
- }
-
- protected:
- Tag tag; /* The 4-byte table tag name. */
- union {
- HBFixed value; /* The value for the descriptor tag. */
- HBUINT32 nalfType; /* If the tag is `nalf`, see non_alphabetic_value_t */
- } u;
- public:
- DEFINE_SIZE_STATIC (8);
-};
-
-struct fdsc
-{
- static constexpr hb_tag_t tableTag = HB_AAT_TAG_fdsc;
-
- enum {
- Weight = HB_TAG ('w','g','h','t'),
- /* Percent weight relative to regular weight.
- * (defaul value: 1.0) */
- Width = HB_TAG ('w','d','t','h'),
- /* Percent width relative to regular width.
- * (default value: 1.0) */
- Slant = HB_TAG ('s','l','n','t'),
- /* Angle of slant in degrees, where positive
- * is clockwise from straight up.
- * (default value: 0.0) */
- OpticalSize = HB_TAG ('o','p','s','z'),
- /* Point size the font was designed for.
- * (default value: 12.0) */
- NonAlphabetic= HB_TAG ('n','a','l','f')
- /* These values are treated as integers,
- * not fixed32s. 0 means alphabetic, and greater
- * integers mean the font is non-alphabetic (e.g. symbols).
- * (default value: 0) */
- };
-
- const FontDescriptor &get_descriptor (hb_tag_t style) const
- { return descriptors.lsearch (style); }
-
- bool sanitize (hb_sanitize_context_t *c) const
- {
- TRACE_SANITIZE (this);
- return_trace (c->check_struct (this) &&
- descriptors.sanitize (c));
- }
-
- protected:
- HBFixed version; /* Version number of the font descriptors
- * table (0x00010000 for the current version). */
- LArrayOf<FontDescriptor>
- descriptors; /* List of tagged-coordinate pairs style descriptors
- * that will be included to characterize this font.
- * Each descriptor consists of a <tag, value> pair.
- * These pairs are located in the gxFontDescriptor
- * array that follows. */
- public:
- DEFINE_SIZE_ARRAY (8, descriptors);
-};
-
-} /* namespace AAT */
-
-
-#endif /* HB_AAT_FDSC_TABLE_HH */