From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- gfx/harfbuzz/src/hb-aat-layout-ankr-table.hh | 99 ++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 gfx/harfbuzz/src/hb-aat-layout-ankr-table.hh (limited to 'gfx/harfbuzz/src/hb-aat-layout-ankr-table.hh') diff --git a/gfx/harfbuzz/src/hb-aat-layout-ankr-table.hh b/gfx/harfbuzz/src/hb-aat-layout-ankr-table.hh new file mode 100644 index 0000000000..dbb38b1bc0 --- /dev/null +++ b/gfx/harfbuzz/src/hb-aat-layout-ankr-table.hh @@ -0,0 +1,99 @@ +/* + * 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_LAYOUT_ANKR_TABLE_HH +#define HB_AAT_LAYOUT_ANKR_TABLE_HH + +#include "hb-aat-layout-common.hh" + +/* + * ankr -- Anchor Point + * https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6ankr.html + */ +#define HB_AAT_TAG_ankr HB_TAG('a','n','k','r') + + +namespace AAT { + +using namespace OT; + + +struct Anchor +{ + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + return_trace (c->check_struct (this)); + } + + public: + FWORD xCoordinate; + FWORD yCoordinate; + public: + DEFINE_SIZE_STATIC (4); +}; + +typedef Array32Of GlyphAnchors; + +struct ankr +{ + static constexpr hb_tag_t tableTag = HB_AAT_TAG_ankr; + + const Anchor &get_anchor (hb_codepoint_t glyph_id, + unsigned int i, + unsigned int num_glyphs) const + { + const NNOffset16To *offset = (this+lookupTable).get_value (glyph_id, num_glyphs); + if (!offset) + return Null (Anchor); + const GlyphAnchors &anchors = &(this+anchorData) + *offset; + return anchors[i]; + } + + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + return_trace (likely (c->check_struct (this) && + hb_barrier () && + version == 0 && + c->check_range (this, anchorData) && + lookupTable.sanitize (c, this, &(this+anchorData)))); + } + + protected: + HBUINT16 version; /* Version number (set to zero) */ + HBUINT16 flags; /* Flags (currently unused; set to zero) */ + Offset32To>> + lookupTable; /* Offset to the table's lookup table */ + NNOffset32To + anchorData; /* Offset to the glyph data table */ + + public: + DEFINE_SIZE_STATIC (12); +}; + +} /* namespace AAT */ + + +#endif /* HB_AAT_LAYOUT_ANKR_TABLE_HH */ -- cgit v1.2.3