#ifndef __bbPackRecalageImageSubstraction_h_INCLUDED__
#define __bbPackRecalageImageSubstraction_h_INCLUDED__
#include "bbPackRecalage_EXPORT.h"
#include "bbtkAtomicBlackBox.h"
#include "iostream"
#include "vtkImageData.h"

#include <string>
#include <vector>


namespace bbPackRecalage
{

	class MyImageSubstraction 
{

	//----------------------------------------------------------------------------------------
	// Methods definition
	//----------------------------------------------------------------------------------------
	public:
	//--------------------------
	//Constructor & Destructor
	//--------------------------		
		MyImageSubstraction(vtkImageData* imageData1, vtkImageData* imageData2, int uZLevel,int lZLevel, std::vector<double> uColor, std::vector<double> lColor, std::vector<double> mColor);
		~MyImageSubstraction();
	//--------------------------
	//Methods
	//--------------------------
		/*
		getting ready the points
		*/
		void initialize(int dimensions[],double spacing[]);
		/*
		Calculate the new image and save it in the attribute imageResult
		it is used if the user had given the imageData
		*/
		void substractImage(vtkImageData* imageData1, vtkImageData* imageData2);
		
		/*
		Returns the ImageResult
		*/
		vtkImageData* getSubstractedImage();
		
		/*
		 Get Image Size
		*/
		int getImageSize();
		
		/*
		constructing image substract
		*/
		void substract(vtkImageData* imageData1, vtkImageData* imageData2);
		


	//----------------------------------------------------------------------------------------
	// Attributes declaration
	//----------------------------------------------------------------------------------------
	private: 
		/*
		 Substracted Image
		*/
		vtkImageData* imageResult;
		/*
		 image size dimx*dimy*dimz
		*/
		int sizeImage;
		/*
		upper zero level for doing the Substraction
		*/
		int uZeroLevel;
		/*
		lower zero level for doing the Substraction
		*/
		int lZeroLevel;
		/*
		Color for the upper threshold
		*/
		int upperColor[3];
		/*
		Color for the lower threshold
		*/
		int lowerColor[3];
		/*
		Color for the medium threshold
		*/
		int mediumColor[3];
};

class bbPackRecalage_EXPORT ImageSubstraction
 : 
   public bbtk::AtomicBlackBox
{
  BBTK_BLACK_BOX_INTERFACE(ImageSubstraction,bbtk::AtomicBlackBox);
  BBTK_DECLARE_INPUT(In1,vtkImageData*);
  BBTK_DECLARE_INPUT(In2,vtkImageData*);
  BBTK_DECLARE_INPUT(In3,int);
  BBTK_DECLARE_INPUT(In4,int);
  BBTK_DECLARE_INPUT(InU,std::vector<double>);
  BBTK_DECLARE_INPUT(InM,std::vector<double>);
  BBTK_DECLARE_INPUT(InL,std::vector<double>);
  BBTK_DECLARE_OUTPUT(Out,vtkImageData*);
  BBTK_PROCESS(Process);
  void Process();
};

BBTK_BEGIN_DESCRIBE_BLACK_BOX(ImageSubstraction,bbtk::AtomicBlackBox);
BBTK_NAME("ImageSubstraction");
BBTK_AUTHOR("jn.trillos44@uniandes.edu.co");
BBTK_DESCRIPTION("Creates a image resulting from the substraction of the RGB values of 2 other images.");
BBTK_CATEGORY("__CATEGORY__");
BBTK_INPUT(ImageSubstraction,In1,"Image 1",vtkImageData*,"");
BBTK_INPUT(ImageSubstraction,In2,"Image 2",vtkImageData*,"");
BBTK_INPUT(ImageSubstraction,In3,"Upper Zero Level (Value between 0 and 255)",int,"");
BBTK_INPUT(ImageSubstraction,In4,"Lower Zero Level (Value between 0 and 255)",int,"");
BBTK_INPUT(ImageSubstraction,InU,"Upper Level Color (RGB)",std::vector<double>,"");
BBTK_INPUT(ImageSubstraction,InM,"Medium Level Color (RGB)",std::vector<double>,"");
BBTK_INPUT(ImageSubstraction,InL,"Lower Level Color (RGB)",std::vector<double>,"");
BBTK_OUTPUT(ImageSubstraction,Out,"Image Result",vtkImageData*,"");
BBTK_END_DESCRIBE_BLACK_BOX(ImageSubstraction);
}
// EO namespace bbCreaRecalage

#endif // __bbCreaRecalageImageSubstraction_h_INCLUDED__