mlProcessAllPagesHandler.h

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/*************************************************************************************
**
** Copyright 2009, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 
#ifndef ML_PROCESS_ALL_PAGES_HANDLER_H
#define ML_PROCESS_ALL_PAGES_HANDLER_H

 
// ML-includes
#include "mlInitSystemML.h"
 
#include "mlModuleInterfaces.h"
 
#include <ThirdPartyWarningsDisable.h>
#include <boost/unordered_map.hpp>
#include <ThirdPartyWarningsRestore.h>
 
ML_START_NAMESPACE

class MLEXPORT ProcessAllPagesHandler : public CalculateOutputImageHandler
{
public:
  virtual void calculateOutputImageProperties(PagedImage* /*outImg*/) {};

  virtual bool wantsProgressUpdates() { return false; }

  virtual void updateProgress(double /*progress*/) {}

  void install(PagedImage* outImg);

  virtual const char* getName() { return nullptr; }
 
private:
  static void calcOutImagePropsCB(void* userData, PagedImage* outImg) { static_cast<ProcessAllPagesHandler*>(userData)->calculateOutputImageProperties(outImg); }
};
 
 
//---------------------------------------------------------------
class MLEXPORT OrderedSingleInputProcessAllPagesHandler : public ProcessAllPagesHandler
{
public:
  OrderedSingleInputProcessAllPagesHandler(int inputIndex = 0);

  void calculateOutputImageProperties(PagedImage* image) override;

  virtual MLErrorCode processTile(const SubImage& image) = 0;

  virtual SubImageBox calculateInputSubImageBox(const SubImageBox& outputSubImageBox) { return outputSubImageBox; }

  SubImageBox calculateInputSubImageBox(int inputIndex, const SubImageBox& outputSubImageBox) override;

  void calculateOutputSubImage(SubImage* outputSubImage, SubImage* inputSubImages, UserThreadData* /*userThreadData*/) override;
 
protected:
  PagedImage* _image;
 
private:
  int _inputIndex;
  MLint _nextPageId;
 
  boost::unordered_map<MLint, SubImage> _bufferedImages;
};
 
//---------------------------------------------------------------
class MLEXPORT OrderedProcessAllPagesHandler : public ProcessAllPagesHandler
{
public:
  OrderedProcessAllPagesHandler();

  void calculateOutputImageProperties(PagedImage* image) override;

  virtual MLErrorCode processTiles(SubImage* images) = 0;

  SubImageBox calculateInputSubImageBox(int /*inputIndex*/, const SubImageBox& outputSubImageBox) override;

  void calculateOutputSubImage(SubImage* outputSubImage, SubImage* inputSubImages, UserThreadData* /*userThreadData*/) override;
 
protected:
  PagedImage* _image;
 
private:
  MLint _nextPageId;
  int   _numInputs;
 
  boost::unordered_map<MLint, std::vector<SubImage> > _bufferedImages;
};
 
ML_END_NAMESPACE
 
#endif