DoocsBackendImageRegisterAccessor.h

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// SPDX-FileCopyrightText: Deutsches Elektronen-Synchrotron DESY, MSK, ChimeraTK Project <chimeratk-support@desy.de>
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#pragma once
 
#include "DoocsBackendRegisterAccessor.h"
#include <doocs/EqCall.h>
 
#include <ChimeraTK/MappedImage.h>
 
namespace ChimeraTK {
 
  /**********************************************************************************************************************/
 
  class DoocsBackendImageRegisterAccessor : public DoocsBackendRegisterAccessor<std::uint8_t> {
   public:
    virtual ~DoocsBackendImageRegisterAccessor();
 
   protected:
    DoocsBackendImageRegisterAccessor(boost::shared_ptr<DoocsBackend> backend, const std::string& path,
        const std::string& registerPathName, size_t numberOfBytes, size_t wordOffsetInRegister, AccessModeFlags flags);
 
    bool isReadOnly() const override { return true; }
 
    bool isReadable() const override { return true; }
 
    bool isWriteable() const override { return false; }
 
    bool doWriteTransfer(VersionNumber /*versionNumber = {}*/) override {
      // do not throw again, already done in doPreWrite...
      return false;
    }
 
    void doPostRead(TransferType type, bool hasNewData) override;
 
    friend class DoocsBackend;
  };
 
  /**********************************************************************************************************************/
 
  struct MappedDoocsImgIn : public MappedImage {
    using MappedImage::MappedImage;
 
    ImgFormat getImgFormat(const IMH* h);
 
    void set(const IMH* h, const std::uint8_t* body);
  };
 
  /**********************************************************************************************************************/
 
} // namespace ChimeraTK