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// Copyright 2016 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc.
#include <memory>
#include "core/fxcodec/fx_codec_def.h"
#include "third_party/base/span.h"
class CJBig2_Context;
class JBig2_DocumentContext;
class PauseIndicatorIface;
namespace fxcodec {
class Jbig2Context {
uint32_t m_width = 0;
uint32_t m_height = 0;
uint64_t m_nGlobalKey = 0;
uint64_t m_nSrcKey = 0;
pdfium::span<const uint8_t> m_pGlobalSpan;
pdfium::span<const uint8_t> m_pSrcSpan;
uint8_t* m_dest_buf = nullptr;
uint32_t m_dest_pitch = 0;
std::unique_ptr<CJBig2_Context> m_pContext;
class Jbig2Decoder {
static FXCODEC_STATUS StartDecode(
Jbig2Context* pJbig2Context,
JBig2_DocumentContext* pJbig2DocumentContext,
uint32_t width,
uint32_t height,
pdfium::span<const uint8_t> src_span,
uint64_t src_key,
pdfium::span<const uint8_t> global_span,
uint64_t global_key,
pdfium::span<uint8_t> dest_buf,
uint32_t dest_pitch,
PauseIndicatorIface* pPause);
static FXCODEC_STATUS ContinueDecode(Jbig2Context* pJbig2Context,
PauseIndicatorIface* pPause);
Jbig2Decoder() = delete;
Jbig2Decoder(const Jbig2Decoder&) = delete;
Jbig2Decoder& operator=(const Jbig2Decoder&) = delete;
} // namespace fxcodec
using Jbig2Context = fxcodec::Jbig2Context;
using Jbig2Decoder = fxcodec::Jbig2Decoder;