gif_image_decoder.cc | Explore in Territory

/*
 * Copyright (C) 2006 Apple Computer, 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 COMPUTER, 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 COMPUTER, 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.
 */

#include "third_party/blink/renderer/platform/image-decoders/gif/gif_image_decoder.h"

#include <limits>
#include "third_party/blink/renderer/platform/image-decoders/segment_stream.h"
#include "third_party/skia/include/codec/SkCodec.h"
#include "third_party/skia/include/codec/SkCodecAnimation.h"
#include "third_party/skia/include/codec/SkEncodedImageFormat.h"
#include "third_party/skia/include/codec/SkGifDecoder.h"
#include "third_party/skia/include/core/SkAlphaType.h"
#include "third_party/skia/include/core/SkColorType.h"
#include "third_party/skia/include/core/SkImageInfo.h"

namespace blink {

namespace {

ImageFrame::DisposalMethod ConvertDisposalMethod(
    SkCodecAnimation::DisposalMethod disposal_method) { … }

}  // anonymous namespace

GIFImageDecoder::GIFImageDecoder(AlphaOption alpha_option,
                                 ColorBehavior color_behavior,
                                 wtf_size_t max_decoded_bytes)
    : … { … }

GIFImageDecoder::~GIFImageDecoder() = default;

String GIFImageDecoder::FilenameExtension() const { … }

const AtomicString& GIFImageDecoder::MimeType() const { … }

void GIFImageDecoder::OnSetData(scoped_refptr<SegmentReader> data) { … }

int GIFImageDecoder::RepetitionCount() const { … }

bool GIFImageDecoder::FrameIsReceivedAtIndex(wtf_size_t index) const { … }

base::TimeDelta GIFImageDecoder::FrameDurationAtIndex(wtf_size_t index) const { … }

bool GIFImageDecoder::SetFailed() { … }

wtf_size_t GIFImageDecoder::ClearCacheExceptFrame(wtf_size_t index) { … }

wtf_size_t GIFImageDecoder::DecodeFrameCount() { … }

void GIFImageDecoder::InitializeNewFrame(wtf_size_t index) { … }

void GIFImageDecoder::Decode(wtf_size_t index) { … }

bool GIFImageDecoder::CanReusePreviousFrameBuffer(
    wtf_size_t frame_index) const { … }

wtf_size_t GIFImageDecoder::GetViableReferenceFrameIndex(
    wtf_size_t dependent_index) const { … }

void GIFImageDecoder::SetFailedFrameIndex(wtf_size_t index) { … }

bool GIFImageDecoder::IsFailedFrameIndex(wtf_size_t index) const { … }

}  // namespace blink
chromium/third_party/blink/renderer/platform/image-decoders/gif/gif_image_decoder.cc
