#include "bbUtilitiesChangeImageDimensions.h"
#include "bbUtilitiesPackage.h"
namespace bbUtilities
{

BBTK_ADD_BLACK_BOX_TO_PACKAGE(Utilities,ChangeImageDimensions)
BBTK_BLACK_BOX_IMPLEMENTATION(ChangeImageDimensions,bbtk::AtomicBlackBox);
void ChangeImageDimensions::Process()
{
 
	vtkImageData* img0 = bbGetInputIn();
	int *ext0 = img0->GetExtent();
	int x1, y1, z1;

	unsigned short *ptr0, *ptr1;
	//std::vector<int> ext1 = bbGetInputExtent();
	double* ext1 = bbGetInputBounds();
	int x1min=ext1[0], x1max=ext1[1], y1min=ext1[2], y1max=ext1[3], z1min=ext1[4], z1max=ext1[5];


	vtkImageData* img1 = vtkImageData::New();
	img1->SetScalarTypeToUnsignedShort();
	img1->SetDimensions(x1max-x1min, y1max-y1min, z1max-z1min);
	img1->SetSpacing(img0->GetSpacing());
	img1->AllocateScalars();

	for(int i = x1min; i < x1max; i++){
		for(int j = y1min; j < y1max; j++){
			for(int k = z1min; k < z1max; k++){
				ptr1 = (unsigned short*)img1->GetScalarPointer(i,j,k);	
				*ptr1 = 0;
			}
		}
	}

	

	for(int i = ext0[0]; i < ext0[1]; i++){
		for(int j = ext0[2]; j < ext0[3]; j++){
			for(int k = ext0[4]; k < ext0[5]; k++){

				int tempx = ext0[1]-ext0[0];
				int tempy = ext0[3]-ext0[2];
				int tempz = ext0[5]-ext0[4];

				x1 = i*(x1max-x1min);
				y1 = j*(y1max-y1min);
				z1 = k*(z1max-z1min);

				x1 = x1/tempx;
				y1 = y1/tempy;
				z1 = z1/tempz;

				if(x1min<=x1 && x1 <= x1max && y1min <= y1 && y1 <= y1max && z1min <= z1 && z1 <= z1max){
					ptr0 = (unsigned short*)img0->GetScalarPointer(i, j, k);
					ptr1 = (unsigned short*)img1->GetScalarPointer(x1,y1,z1);
					if(*ptr1==0){
						*ptr1 = *ptr0;
					}
				}else{
					std::cout<< "Error creating image in Change Dimensions"<<std::endl;
					//return;
				}				
			}
		}
	}    

    bbSetOutputOut( img1 ); 
	std::cout<< "Change Dimensions succeded"<<std::endl;
    
  
}
void ChangeImageDimensions::bbUserSetDefaultValues()
{

	bbSetInputIn(0); 
}
void ChangeImageDimensions::bbUserInitializeProcessing()
{

}
void ChangeImageDimensions::bbUserFinalizeProcessing()
{

}
}
// EO namespace bbUtilities