From 9e3c08db40b8916968b9f30096c7be3f00ce9647 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 21 Apr 2024 13:44:51 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- gfx/ots/src/sile.cc | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 gfx/ots/src/sile.cc (limited to 'gfx/ots/src/sile.cc') diff --git a/gfx/ots/src/sile.cc b/gfx/ots/src/sile.cc new file mode 100644 index 0000000000..9b34f8aad6 --- /dev/null +++ b/gfx/ots/src/sile.cc @@ -0,0 +1,71 @@ +// 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 "sile.h" + +namespace ots { + +bool OpenTypeSILE::Parse(const uint8_t* data, size_t length) { + Buffer table(data, length); + + if (!table.ReadU32(&this->version) || this->version >> 16 != 1) { + return DropGraphite("Failed to read valid version"); + } + if (!table.ReadU32(&this->checksum)) { + return DropGraphite("Failed to read checksum"); + } + if (!table.ReadU32(&this->createTime[0]) || + !table.ReadU32(&this->createTime[1])) { + return DropGraphite("Failed to read createTime"); + } + if (!table.ReadU32(&this->modifyTime[0]) || + !table.ReadU32(&this->modifyTime[1])) { + return DropGraphite("Failed to read modifyTime"); + } + + if (!table.ReadU16(&this->fontNameLength)) { + return DropGraphite("Failed to read fontNameLength"); + } + //this->fontName.resize(this->fontNameLength); + for (unsigned i = 0; i < this->fontNameLength; ++i) { + this->fontName.emplace_back(); + if (!table.ReadU16(&this->fontName[i])) { + return DropGraphite("Failed to read fontName[%u]", i); + } + } + + if (!table.ReadU16(&this->fontFileLength)) { + return DropGraphite("Failed to read fontFileLength"); + } + //this->baseFile.resize(this->fontFileLength); + for (unsigned i = 0; i < this->fontFileLength; ++i) { + this->baseFile.emplace_back(); + if (!table.ReadU16(&this->baseFile[i])) { + return DropGraphite("Failed to read baseFile[%u]", i); + } + } + + if (table.remaining()) { + return Warning("%zu bytes unparsed", table.remaining()); + } + return true; +} + +bool OpenTypeSILE::Serialize(OTSStream* out) { + if (!out->WriteU32(this->version) || + !out->WriteU32(this->checksum) || + !out->WriteU32(this->createTime[0]) || + !out->WriteU32(this->createTime[1]) || + !out->WriteU32(this->modifyTime[0]) || + !out->WriteU32(this->modifyTime[1]) || + !out->WriteU16(this->fontNameLength) || + !SerializeParts(this->fontName, out) || + !out->WriteU16(this->fontFileLength) || + !SerializeParts(this->baseFile, out)) { + return Error("Failed to write table"); + } + return true; +} + +} // namespace ots -- cgit v1.2.3