Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 36 insertions, 0 deletions

diff --git a/vcl/source/graphic/BinaryDataContainer.cxx b/vcl/source/graphic/BinaryDataContainer.cxx
new file mode 100644
index 000000000..339d28d60
--- /dev/null
+++ b/vcl/source/graphic/BinaryDataContainer.cxx
@@ -0,0 +1,36 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ */
+
+#include <vcl/BinaryDataContainer.hxx>
+#include <o3tl/hash_combine.hxx>
+
+BinaryDataContainer::BinaryDataContainer() = default;
+
+BinaryDataContainer::BinaryDataContainer(const sal_uInt8* pData, size_t nSize)
+    : mpData(std::make_shared<std::vector<sal_uInt8>>(nSize))
+{
+    std::copy(pData, pData + nSize, mpData->data());
+}
+
+BinaryDataContainer::BinaryDataContainer(std::unique_ptr<std::vector<sal_uInt8>> aData)
+    : mpData(std::shared_ptr<std::vector<sal_uInt8>>(aData.release(), aData.get_deleter()))
+{
+}
+
+size_t BinaryDataContainer::calculateHash() const
+{
+    size_t nSeed = 0;
+    o3tl::hash_combine(nSeed, getSize());
+    for (sal_uInt8 const& rByte : *mpData)
+        o3tl::hash_combine(nSeed, rByte);
+    return nSeed;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */