core/fxcodec/bmp/bmp_progressive_decoder.h

// Copyright 2020 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_BMP_BMP_PROGRESSIVE_DECODER_H_
#define CORE_FXCODEC_BMP_BMP_PROGRESSIVE_DECODER_H_

#include "core/fxcodec/progressive_decoder_iface.h"
#include "third_party/base/no_destructor.h"

#ifndef PDF_ENABLE_XFA_BMP
#error "BMP must be enabled"
#endif

namespace fxcodec {

class BmpProgressiveDecoder final : public ProgressiveDecoderIface {
 public:
  static BmpProgressiveDecoder* GetInstance();

  // ProgressiveDecoderIface:
  FX_FILESIZE GetAvailInput(Context* context) const override;
  bool Input(Context* context,
             RetainPtr<CFX_CodecMemory> codec_memory,
             CFX_DIBAttribute* pAttribute) override;

 private:
  friend pdfium::base::NoDestructor<BmpProgressiveDecoder>;

  BmpProgressiveDecoder();
  ~BmpProgressiveDecoder() override;
};

}  // namespace fxcodec

using BmpProgressiveDecoder = fxcodec::BmpProgressiveDecoder;

#endif  // CORE_FXCODEC_BMP_BMP_PROGRESSIVE_DECODER_H_