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// Copyright 2016 PDFium Authors. All rights reserved.
// 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. http://www.foxitsoftware.com
#ifndef CORE_FXCODEC_CODEC_CCODEC_JBIG2MODULE_H_
#define CORE_FXCODEC_CODEC_CCODEC_JBIG2MODULE_H_
#include <memory>
#include "core/fxcodec/fx_codec_def.h"
#include "core/fxcrt/cfx_unowned_ptr.h"
#include "core/fxcrt/fx_basic.h"
class CJBig2_Context;
class CJBig2_Image;
class CPDF_StreamAcc;
class IFX_Pause;
class JBig2_DocumentContext;
class CCodec_Jbig2Context {
public:
CCodec_Jbig2Context();
~CCodec_Jbig2Context();
uint32_t m_width;
uint32_t m_height;
CFX_RetainPtr<CPDF_StreamAcc> m_pGlobalStream;
CFX_RetainPtr<CPDF_StreamAcc> m_pSrcStream;
uint8_t* m_dest_buf;
uint32_t m_dest_pitch;
CFX_UnownedPtr<IFX_Pause> m_pPause;
std::unique_ptr<CJBig2_Context> m_pContext;
};
class CCodec_Jbig2Module {
public:
CCodec_Jbig2Module() {}
~CCodec_Jbig2Module();
FXCODEC_STATUS StartDecode(
CCodec_Jbig2Context* pJbig2Context,
std::unique_ptr<JBig2_DocumentContext>* pContextHolder,
uint32_t width,
uint32_t height,
const CFX_RetainPtr<CPDF_StreamAcc>& src_stream,
const CFX_RetainPtr<CPDF_StreamAcc>& global_stream,
uint8_t* dest_buf,
uint32_t dest_pitch,
IFX_Pause* pPause);
FXCODEC_STATUS ContinueDecode(CCodec_Jbig2Context* pJbig2Context,
IFX_Pause* pPause);
private:
FXCODEC_STATUS Decode(CCodec_Jbig2Context* pJbig2Context, int result);
};
#endif // CORE_FXCODEC_CODEC_CCODEC_JBIG2MODULE_H_
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