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/*
-----------------------------------------------------------------------
Copyright: 2010-2018, iMinds-Vision Lab, University of Antwerp
           2014-2018, CWI, Amsterdam

Contact: astra@astra-toolbox.com
Website: http://www.astra-toolbox.com/

This file is part of the ASTRA Toolbox.


The ASTRA Toolbox is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

The ASTRA Toolbox is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.

-----------------------------------------------------------------------
*/

#ifndef _INC_ASTRA_FLOAT32DATA3D
#define _INC_ASTRA_FLOAT32DATA3D

#include "Globals.h"
#include "Float32Data.h"
#include "Float32Data2D.h"

#include "../../cuda/3d/mem3d.h"

namespace astra {

/**
 * This class represents a 3-dimensional block of 32-bit floating point data.
 */
class _AstraExport CFloat32Data3D : public CFloat32Data {

protected:
	
	int m_iWidth;			///< width of the data (x)
	int m_iHeight;			///< height of the data (y)
	int m_iDepth;			///< depth of the data (z)
	size_t m_iSize;			///< size of the data (width*height*depth)

	/**
	 * Compares the size of two CFloat32Data instances.
	 *
	 * @param _pA CFloat32Data3D instance A
	 * @param _pB CFloat32Data3D instance B
	 * @return True if they have the same size
	 */
	static bool _data3DSizesEqual(const CFloat32Data3D * _pA, const CFloat32Data3D * _pB);

public:

	typedef enum {BASE, PROJECTION, VOLUME} EDataType;

    /** Default constructor. Sets all numeric member variables to 0 and all pointer member variables to NULL.
	 *
	 * If an object is constructed using this default constructor, it must always be followed by a call 
	 * to one of the init() methods before the object can be used. Any use before calling init() is not allowed,
	 * except calling the member function isInitialized().
	 */
	CFloat32Data3D();

	/** Destructor.
	 */
	virtual ~CFloat32Data3D();

	/** Get the width of the data block.
	 *
	 * @return width of the data block
	 */
	int getWidth() const;

	/** Get the height of the data block.
	 *
	 * @return height of the data block
	 */
	int getHeight() const;

	/** Get the depth of the data block.
	 *
	 * @return depth of the data block
	 */
	int getDepth() const;

	/** Get the size of the data block.
	 *
	 * @return size of the data block
	 */
	int getSize() const;

	/** Which type is this class?
	 *
	 * @return DataType: PROJECTION or VOLUME
	 */
	virtual EDataType getType() const;
	
    /** Get the number of dimensions of this object.
	 *
	 * @return number of dimensions
	 */
	int getDimensionCount() const;	

	/** get a description of the class
	 *
	 * @return description string
	 */
	virtual std::string description() const;

};
//----------------------------------------------------------------------------------------



//----------------------------------------------------------------------------------------
// Get dimension count.
inline int CFloat32Data3D::getDimensionCount() const
{
	return 3;
}

//----------------------------------------------------------------------------------------
// Get the width of the data block.
inline int CFloat32Data3D::getWidth() const
{
	ASTRA_ASSERT(m_bInitialized);
	return m_iWidth;
}

//----------------------------------------------------------------------------------------
// Get the height of the data block.
inline int CFloat32Data3D::getHeight() const
{
	ASTRA_ASSERT(m_bInitialized);
	return m_iHeight;
}

//----------------------------------------------------------------------------------------
// Get the height of the data block.
inline int CFloat32Data3D::getDepth() const
{
	ASTRA_ASSERT(m_bInitialized);
	return m_iDepth;
}

//----------------------------------------------------------------------------------------
// Get the size of the data block.
inline int CFloat32Data3D::getSize() const
{
	ASTRA_ASSERT(m_bInitialized);
	return m_iSize;
}


//----------------------------------------------------------------------------------------
// get type
inline CFloat32Data3D::EDataType CFloat32Data3D::getType() const
{
	return BASE;
}

} // end namespace astra

#endif // _INC_ASTRA_FLOAT32DATA2D