From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- gfx/ots/src/gsub.h | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 gfx/ots/src/gsub.h (limited to 'gfx/ots/src/gsub.h') diff --git a/gfx/ots/src/gsub.h b/gfx/ots/src/gsub.h new file mode 100644 index 0000000000..9ceb5c7170 --- /dev/null +++ b/gfx/ots/src/gsub.h @@ -0,0 +1,34 @@ +// Copyright (c) 2011-2017 The OTS Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef OTS_GSUB_H_ +#define OTS_GSUB_H_ + +#include "ots.h" +#include "layout.h" + +namespace ots { + +class OpenTypeGSUB : public OpenTypeLayoutTable { + public: + explicit OpenTypeGSUB(Font *font, uint32_t tag) + : OpenTypeLayoutTable(font, tag, tag) { } + + private: + bool ValidLookupSubtableType(uint16_t lookup_type, + bool extension = false) const; + bool ParseLookupSubtable(const uint8_t *data, const size_t length, + const uint16_t lookup_type); + + bool ParseSingleSubstitution(const uint8_t *data, const size_t length); + bool ParseMutipleSubstitution(const uint8_t *data, const size_t length); + bool ParseAlternateSubstitution(const uint8_t *data, const size_t length); + bool ParseLigatureSubstitution(const uint8_t *data, const size_t length); + bool ParseReverseChainingContextSingleSubstitution(const uint8_t *data, const size_t length); +}; + +} // namespace ots + +#endif // OTS_GSUB_H_ + -- cgit v1.2.3