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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /gfx/2d/RecordingTypes.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/2d/RecordingTypes.h')
-rw-r--r-- | gfx/2d/RecordingTypes.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/gfx/2d/RecordingTypes.h b/gfx/2d/RecordingTypes.h new file mode 100644 index 0000000000..818e9c1729 --- /dev/null +++ b/gfx/2d/RecordingTypes.h @@ -0,0 +1,71 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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/. */ + +#ifndef MOZILLA_GFX_RECORDINGTYPES_H_ +#define MOZILLA_GFX_RECORDINGTYPES_H_ + +#include <ostream> +#include <vector> + +#include "Logging.h" + +namespace mozilla { +namespace gfx { + +template <class S, class T> +struct ElementStreamFormat { + static void Write(S& aStream, const T& aElement) { + aStream.write(reinterpret_cast<const char*>(&aElement), sizeof(T)); + } + static void Read(S& aStream, T& aElement) { + aStream.read(reinterpret_cast<char*>(&aElement), sizeof(T)); + } +}; + +template <class S, class T> +void WriteElement(S& aStream, const T& aElement) { + ElementStreamFormat<S, T>::Write(aStream, aElement); +} +template <class S, class T> +void WriteVector(S& aStream, const std::vector<T>& aVector) { + size_t size = aVector.size(); + WriteElement(aStream, size); + if (size) { + aStream.write(reinterpret_cast<const char*>(aVector.data()), + sizeof(T) * size); + } +} + +// ReadElement is disabled for enum types. Use ReadElementConstrained instead. +template <class S, class T, + typename = typename std::enable_if<!std::is_enum<T>::value>::type> +void ReadElement(S& aStream, T& aElement) { + ElementStreamFormat<S, T>::Read(aStream, aElement); +} +template <class S, class T> +void ReadElementConstrained(S& aStream, T& aElement, const T& aMinValue, + const T& aMaxValue) { + ElementStreamFormat<S, T>::Read(aStream, aElement); + if (aElement < aMinValue || aElement > aMaxValue) { + aStream.SetIsBad(); + } +} +template <class S, class T> +void ReadVector(S& aStream, std::vector<T>& aVector) { + size_t size; + ReadElement(aStream, size); + if (size && aStream.good()) { + aVector.resize(size); + aStream.read(reinterpret_cast<char*>(aVector.data()), sizeof(T) * size); + } else { + aVector.clear(); + } +} + +} // namespace gfx +} // namespace mozilla + +#endif /* MOZILLA_GFX_RECORDINGTYPES_H_ */ |