cpdfsdk_customaccess.h

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// Copyright 2018 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. http://www.foxitsoftware.com
 
#ifndef FPDFSDK_CPDFSDK_CUSTOMACCESS_H_
#define FPDFSDK_CPDFSDK_CUSTOMACCESS_H_
 
#include "core/fxcrt/fx_stream.h"
#include "core/fxcrt/retain_ptr.h"
#include "public/fpdfview.h"
 
class CPDFSDK_CustomAccess final : public IFX_SeekableReadStream {
 public:
  CONSTRUCT_VIA_MAKE_RETAIN;
 
  // IFX_SeekableReadStream
  FX_FILESIZE GetSize() override;
  bool ReadBlockAtOffset(pdfium::span<uint8_t> buffer,
                         FX_FILESIZE offset) override;
 
 private:
  explicit CPDFSDK_CustomAccess(FPDF_FILEACCESS* pFileAccess);
  ~CPDFSDK_CustomAccess() override;
 
  FPDF_FILEACCESS m_FileAccess;
};
 
#endif  // FPDFSDK_CPDFSDK_CUSTOMACCESS_H_