//===== 
// Before editing this file, make sure it's a file of your own (i.e.: it wasn't generated from xml description; if so : your modifications will be lost)
//===== 
#include "bbvtkInversCrop.h"
#include "bbvtkPackage.h"
namespace bbvtk
{

BBTK_ADD_BLACK_BOX_TO_PACKAGE(vtk,InversCrop)
BBTK_BLACK_BOX_IMPLEMENTATION(InversCrop,bbtk::AtomicBlackBox);
//===== 
// Before editing this file, make sure it's a file of your own (i.e.: it wasn't generated from xml description; if so : your modifications will be lost)
//===== 
void InversCrop::Process()
{

// THE MAIN PROCESSING METHOD BODY
//   Here we simply set the input 'In' value to the output 'Out'
//   And print out the output value
// INPUT/OUTPUT ACCESSORS ARE OF THE FORM :
//    void bbSet{Input|Output}NAME(const TYPE&)
//    const TYPE& bbGet{Input|Output}NAME() const 
//    Where :
//    * NAME is the name of the input/output
//      (the one provided in the attribute 'name' of the tag 'input')
//    * TYPE is the C++ type of the input/output
//      (the one provided in the attribute 'type' of the tag 'input')

	if (bbGetInputActive()==true)
	{
	    if ( (bbGetInputImageFix()!=NULL) && (bbGetInputImageMove()!=NULL) )
	    {
	     if ( bbGetInputImageFix()->GetScalarType()==bbGetInputImageMove()->GetScalarType() ) 
	     {
		// Creating Image
		int dim[3];
		int ext[6];
	
		bbGetInputImageFix()->GetWholeExtent(ext);
		dim[0]= ext[1]-ext[0]+1;
		dim[1]= ext[3]-ext[2]+1;
		dim[2]= ext[5]-ext[4]+1;

		if (bbGetInputType()==0)
		{
			_imageoutput = vtkImageData::New();
			_imageoutput->Initialize();
			_imageoutput->SetScalarType( bbGetInputImageFix()->GetScalarType() );
			_imageoutput->SetSpacing( bbGetInputImageFix()->GetSpacing() );
			_imageoutput->SetDimensions(  dim[0], dim[1], dim[2] );
			_imageoutput->AllocateScalars();
		}
		if (bbGetInputType()==1)
		{
			_imageoutput=bbGetInputImageFix();
		}


		// Duplicating Fix Image
		long sizeimage = dim[0]*dim[1]*dim[2]*bbGetInputImageFix()->GetScalarSize(); 	
		memcpy( _imageoutput->GetScalarPointer() , bbGetInputImageFix()->GetScalarPointer() , sizeimage);

		// Copy the Move Image
		int j,k; 
		int px,py,pz;

		bbGetInputImageMove()->GetWholeExtent(ext);
		int dimMoveX = ext[1]-ext[0]+1;
		int dimMoveY = ext[3]-ext[2]+1;
		int dimMoveZ = ext[5]-ext[4]+1;

		int spxM=0;  // start px MoveImage
		int sizeXM=0;  // sizeX MoveImage

		px=bbGetInputOrigin()[0];
		spxM=0;
		if (px<=0)
		{ 
		   spxM=px*(-1);
		   px=0;
		}
		sizeXM = dimMoveX-spxM;
		if (px+sizeXM>=dim[0]) sizeXM=dim[0]-px;

		sizeXM=sizeXM*bbGetInputImageFix()->GetScalarSize();
		for (k=0; k<dimMoveZ; k++)
		{
		   for (j=0; j<dimMoveY; j++)
		   {
		        py=j+bbGetInputOrigin()[1];
			pz=k+bbGetInputOrigin()[2];
		
			if ( (py<dim[1]) && (pz<dim[2]) &&
	 	             (py>=0)    && (pz>=0)	&&
			     (sizeXM>0) ) 
			{
				memcpy( _imageoutput->GetScalarPointer(px,py,pz) , bbGetInputImageMove()->GetScalarPointer(spxM,j,k) , sizeXM );
			}

		   } // for j
		} // for k
		_imageoutput->Modified();
	      } // If Image Fixe Move the same GetScalarType
		else {
		   printf ("ERROR: InversCrop  both ImageFixe and ImageMove need the same format.\n");
		   printf ("       type ImageFix:%d   type ImageMove:%d\n", bbGetInputImageFix()->GetScalarType(), bbGetInputImageMove()->GetScalarType() );

	      }  
	    } // If Image Fixe Move != NULL   
	     else {
		printf ("ERROR: InversCrop  need ImageFixe and ImageMove to run.\n");
	    } 
	    bbSetOutputOut(_imageoutput);

	} // if Active

}

//===== 
// Before editing this file, make sure it's a file of your own (i.e.: it wasn't generated from xml description; if so : your modifications will be lost)
//===== 
void InversCrop::bbUserSetDefaultValues()
{
//  SET HERE THE DEFAULT INPUT/OUTPUT VALUES OF YOUR BOX 
//    Here we initialize the input 'In' to 0
   bbSetInputActive(true);
   bbSetInputType(0);
   bbSetInputImageFix(NULL);
   bbSetInputImageMove(NULL);
   std::vector<int> origin;
   origin.push_back(0);
   origin.push_back(0);
   origin.push_back(0);
   bbSetInputOrigin(origin);
   _imageoutput=NULL;
}
//===== 
// Before editing this file, make sure it's a file of your own (i.e.: it wasn't generated from xml description; if so : your modifications will be lost)
//===== 
void InversCrop::bbUserInitializeProcessing()
{

//  THE INITIALIZATION METHOD BODY :
//    Here does nothing 
//    but this is where you should allocate the internal/output pointers 
//    if any 

  
}
//===== 
// Before editing this file, make sure it's a file of your own (i.e.: it wasn't generated from xml description; if so : your modifications will be lost)
//===== 
void InversCrop::bbUserFinalizeProcessing()
{

//  THE FINALIZATION METHOD BODY :
//    Here does nothing 
//    but this is where you should desallocate the internal/output pointers 
//    if any
  
}
}
// EO namespace bbvtk