chromium/third_party/blink/renderer/platform/image-decoders/bmp/bmp_image_reader.cc

// Copyright 2008 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "third_party/blink/renderer/platform/image-decoders/bmp/bmp_image_reader.h"

#include "third_party/blink/renderer/platform/image-decoders/jpeg/jpeg_image_decoder.h"
#include "third_party/blink/renderer/platform/image-decoders/png/png_image_decoder.h"
#include "third_party/skia/include/core/SkColorSpace.h"

namespace {

// See comments on lookup_table_addresses_ in the header.
constexpr uint8_t nBitTo8BitlookupTable[] = …;

}  // namespace

namespace blink {

BMPImageReader::BMPImageReader(ImageDecoder* parent,
                               wtf_size_t decoded_and_header_offset,
                               wtf_size_t img_data_offset,
                               bool is_in_ico)
    : … { … }

BMPImageReader::~BMPImageReader() = default;

void BMPImageReader::SetData(scoped_refptr<SegmentReader> data) { … }

bool BMPImageReader::DecodeBMP(bool only_size) { … }

bool BMPImageReader::ReadInfoHeaderSize() { … }

bool BMPImageReader::ProcessInfoHeader() { … }

bool BMPImageReader::ReadInfoHeader() { … }

bool BMPImageReader::IsInfoHeaderValid() const { … }

bool BMPImageReader::DecodeAlternateFormat() { … }

bool BMPImageReader::ProcessEmbeddedColorProfile() { … }

bool BMPImageReader::ProcessBitmasks() { … }

bool BMPImageReader::ProcessColorTable() { … }

bool BMPImageReader::InitFrame() { … }

bool BMPImageReader::DecodePixelData(bool non_rle) { … }

BMPImageReader::ProcessingResult BMPImageReader::ProcessRLEData() { … }

BMPImageReader::ProcessingResult BMPImageReader::ProcessNonRLEData(
    bool in_rle,
    int num_pixels) { … }

void BMPImageReader::MoveBufferToNextRow() { … }

void BMPImageReader::ColorCorrectCurrentRow() { … }

}  // namespace blink