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43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_image_DecoderFlags_h
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#define mozilla_image_DecoderFlags_h
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#include "mozilla/TypedEnumBits.h"
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namespace mozilla {
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namespace image {
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/**
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* Flags that influence decoder behavior. Note that these flags *don't*
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* influence the logical content of the surfaces that the decoder generates, so
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* they're not in a factor in SurfaceCache lookups and the like. These flags
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* instead either influence which surfaces are generated at all or the tune the
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* decoder's behavior for a particular scenario.
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*/
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enum class DecoderFlags : uint8_t
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{
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FIRST_FRAME_ONLY = 1 << 0,
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IS_REDECODE = 1 << 1,
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IMAGE_IS_TRANSIENT = 1 << 2,
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ASYNC_NOTIFY = 1 << 3
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};
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MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(DecoderFlags)
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/**
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* @return the default set of decode flags.
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*/
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inline DecoderFlags
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DefaultDecoderFlags()
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{
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return DecoderFlags();
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}
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} // namespace image
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} // namespace mozilla
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#endif // mozilla_image_DecoderFlags_h
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