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/prep.cc | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 gfx/ots/src/prep.cc (limited to 'gfx/ots/src/prep.cc') diff --git a/gfx/ots/src/prep.cc b/gfx/ots/src/prep.cc new file mode 100644 index 0000000000..943bb45b91 --- /dev/null +++ b/gfx/ots/src/prep.cc @@ -0,0 +1,43 @@ +// Copyright (c) 2009-2017 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. + +#include "prep.h" + +// prep - Control Value Program +// http://www.microsoft.com/typography/otspec/prep.htm + +namespace ots { + +bool OpenTypePREP::Parse(const uint8_t *data, size_t length) { + Buffer table(data, length); + + if (length >= 128 * 1024u) { + // almost all prep tables are less than 9k bytes. + return Error("Table length %ld > 120K", length); + } + + if (!table.Skip(length)) { + return Error("Failed to read table of length %ld", length); + } + + this->m_data = data; + this->m_length = length; + return true; +} + +bool OpenTypePREP::Serialize(OTSStream *out) { + if (!out->Write(this->m_data, this->m_length)) { + return Error("Failed to write table length"); + } + + return true; +} + +bool OpenTypePREP::ShouldSerialize() { + return Table::ShouldSerialize() && + // this table is not for CFF fonts. + GetFont()->GetTable(OTS_TAG_GLYF) != NULL; +} + +} // namespace ots -- cgit v1.2.3