/*# ---------------------------------------------------------------------
#
# Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image
#                        pour la Sant�)
# Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
# Previous Authors : Laurent Guigues, Jean-Pierre Roux
# CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
#
#  This software is governed by the CeCILL-B license under French law and
#  abiding by the rules of distribution of free software. You can  use,
#  modify and/ or redistribute the software under the terms of the CeCILL-B
#  license as circulated by CEA, CNRS and INRIA at the following URL
#  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
#  or in the file LICENSE.txt.
#
#  As a counterpart to the access to the source code and  rights to copy,
#  modify and redistribute granted by the license, users are provided only
#  with a limited warranty  and the software's author,  the holder of the
#  economic rights,  and the successive licensors  have only  limited
#  liability.
#
#  The fact that you are presently reading this means that you have had
#  knowledge of the CeCILL-B license and that you accept its terms.
# ------------------------------------------------------------------------ */

/**
 *  \file
 *  \brief Class bbtk::ThresholdImageView .
 */

#include "LayerImageBase.h"


//---------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------

ColorLayerImageBasevtkInteractor::ColorLayerImageBasevtkInteractor(LayerImageBase* layerImageBase)
{
    _layerImageBase=layerImageBase;
}

//---------------------------------------------------------------------------------------------
ColorLayerImageBasevtkInteractor::~ColorLayerImageBasevtkInteractor()
{
}


//---------------------------------------------------------------------------------------------
bool ColorLayerImageBasevtkInteractor::OnMouseMove()
{
	printf("EED ColorLayerImageBasevtkInteractor::OnMouseMove \n");
    if  (_vtkInteractorStyleBaseView->GetRefresh_waiting()==true)
    {
        _layerImageBase->GetvtkImageReslice()->Modified();
    }

    return true;
}


//---------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------



LayerImageBase::LayerImageBase()
{
	_actorPresent			=	false;
	_Z				=	0;
	_thresholdTable			=	NULL;
	_thresholdMapper		=	NULL;
	_thresholdActor			=	NULL;
	_image				=	NULL;
	_baseView                       =       NULL;
	_imageReslicer			=	vtkImageReslice::New();

}

//----------------------------------------------------------------------------
  LayerImageBase::~LayerImageBase()
  {
  }

//----------------------------------------------------------------------------
void LayerImageBase::SetZ(int z)
{
	_Z = z;
}

//----------------------------------------------------------------------------
int LayerImageBase::GetZ()  // virtual
{
	return _Z;
}

//----------------------------------------------------------------------------
vtkImageData* LayerImageBase::GetImage()
{
	return _image;
}

//----------------------------------------------------------------------------
bool LayerImageBase::GetActorPresent()
{
	return _actorPresent;
}



//----------------------------------------------------------------------------
void LayerImageBase::SetImage(vtkImageData* image)
{
	_image = image;
}

//----------------------------------------------------------------------------
void LayerImageBase::SetwxVtkBaseView(wxVtkBaseView *baseview)
{
	printf("EED LayerImageBase::SetwxVtkBaseView start baseview:%p \n", baseview);

	_baseView = baseview;

    vtkInteractorStyleBaseView *isbv    = (vtkInteractorStyleBaseView*)(_baseView->GetInteractorStyleBaseView());
    isbv->AddInteractorStyleMaracas( new ColorLayerImageBasevtkInteractor(this) );
	
	printf("EED LayerImageBase::SetwxVtkBaseView end \n");
}

//----------------------------------------------------------------------------
wxVtkBaseView *LayerImageBase::GetwxVtkBaseView()
{
	return _baseView;
}

//----------------------------------------------------------------------------
void LayerImageBase::Refresh()
{
    printf("EED LayerImageBase::Refresh\n");
    if (_baseView!=NULL)
    {
        _baseView->Refresh();
    }
}


//----------------------------------------------------------------------------
vtkLookupTable* LayerImageBase::GetThresholdTable()
{
	return _thresholdTable;
}

//----------------------------------------------------------------------------
int LayerImageBase::CleanZ(int z)
{
	int ext[6];
	_image->GetWholeExtent(ext);

	if (z<0)
	{
		z=0;
	}

	if ( z > (ext[5]-ext[4]) )
	{
		z=ext[5]-ext[4];
	}

	return z;
}

//----------------------------------------------------------------------------
void LayerImageBase::onThreshold()
{
	
	printf("EED LayerImageBase::onThreshold start \n");
	
	if ((_image!=NULL) && (_baseView!=NULL))
	{
		int z=CleanZ( GetZ() );

		if (!GetActorPresent())
		{
			if (_thresholdTable==NULL)
			{
				//Lookup Table
				_thresholdTable = vtkLookupTable::New();
			} // _thresholdTable

			if (_thresholdMapper==NULL)
			{
				_thresholdMapper = vtkImageMapToColors::New( );
			}

			if (_thresholdActor==NULL)
			{
				_thresholdActor = vtkImageActor::New( );
				_thresholdActor->SetOpacity( 0.6 );
				_thresholdActor->InterpolateOn(  );
				_thresholdActor->SetPosition( 0,0, -900-1 );
			} // _thresholdActor
			_baseView->GetRenderer()->AddActor( _thresholdActor );
			_actorPresent = true;
		}  // !GetActorPresent()

		ConfigLookupTable();  // virtual method
		_imageReslicer->SetInput( GetImage() );
		_imageReslicer->SetInformationInput( GetImage() );
		_imageReslicer->SetResliceAxesDirectionCosines(1,0,0, 0,1,0 ,0,0,1);
		_imageReslicer->SetOutputDimensionality(2);
//		_imageReslicer->SetInterpolationModeToLinear();
		_imageReslicer->SetInterpolationModeToNearestNeighbor();
		_imageReslicer->SetResliceAxesOrigin(0,0,z);

		vtkImageData *img = _imageReslicer->GetOutput();
//		img->Update();
//		img->UpdateInformation();

		_thresholdMapper->SetInput( img );
		_thresholdMapper->SetLookupTable( _thresholdTable );
		_thresholdActor->SetInput( _thresholdMapper->GetOutput() );

		printf("EED LayerImageBase::onThreshold working \n");
		
		
		} // _image
	printf("EED LayerImageBase::onThreshold end");
}



//----------------------------------------------------------------------------
void LayerImageBase::onThresholdChange()
{
	if (_actorPresent)
	{
		onThreshold();
	}
}

//----------------------------------------------------------------------------
void LayerImageBase::onThresholdInterpolation(bool interpolate)
{
	if (_thresholdActor!=NULL)
	{
		if (interpolate)
		{
			_thresholdActor->InterpolateOn( );
		}
		else
		{
			_thresholdActor->InterpolateOff( );
		}
	}
}

//----------------------------------------------------------------------------
void LayerImageBase::onThresholdChangeOpacity (int opacity)
{
	if (_actorPresent)
	{
		_thresholdActor->SetOpacity(opacity*0.1);
	}
}

//----------------------------------------------------------------------------
void LayerImageBase::onThresholdRemove()
{
	if (_actorPresent)
	{
		wxVtkBaseView * baseView = _baseView;
		baseView->GetRenderer()->RemoveActor( _thresholdActor );
		_actorPresent = false;
	}
}

//----------------------------------------------------------------------------
vtkLookupTable *LayerImageBase::GetvtkLookupTable()
{
    return _thresholdTable;
}

vtkImageReslice *LayerImageBase::GetvtkImageReslice()
{
    return _imageReslicer;
}



// EOF