/* * Copyright (C) 2017 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #pragma once #if USE(CG) typedef struct CGImageSource* CGImageSourceRef; #endif namespace WebCore { // There are four subsampling levels: 0 = 1x, 1 = 0.5x, 2 = 0.25x, 3 = 0.125x. enum class SubsamplingLevel { First = 0, Default = First, Level0 = First, Level1, Level2, Level3, Last = Level3, Max }; inline SubsamplingLevel& operator++(SubsamplingLevel& subsamplingLevel) { subsamplingLevel = static_cast<SubsamplingLevel>(static_cast<int>(subsamplingLevel) + 1); ASSERT(subsamplingLevel <= SubsamplingLevel::Max); return subsamplingLevel; } typedef int RepetitionCount; enum { RepetitionCountNone = 0, RepetitionCountOnce = 1, RepetitionCountInfinite = -1, }; enum class AlphaOption { Premultiplied, NotPremultiplied }; enum class GammaAndColorProfileOption { Applied, Ignored }; enum class ImageAnimatingState { Yes, No }; enum class EncodedDataStatus { Error, Unknown, TypeAvailable, SizeAvailable, Complete }; enum class DecodingStatus { Invalid, Partial, Complete, Decoding }; enum class ImageDrawResult { DidNothing, DidRequestDecoding, DidRecord, DidDraw }; }