WaveletBlock2D.h

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//
//      $Id$
//

#ifndef _WaveletBlock2D_h_
#define _WaveletBlock2D_h_

#include <vapor/MyBase.h>
#include <vapor/EasyThreads.h>
#include <vapor/WaveletBlock1D.h>

#include "Lifting1D.h"


namespace VAPoR {

//
//
class WaveletBlock2D : public VetsUtil::MyBase {

public:

 //
 WaveletBlock2D(
    size_t bs[2],   // X,Y,Z coordinate tile dimensions
    unsigned int n,     // # wavelet filter coefficents
    unsigned int ntilde // # wavelet lifting coefficients
 );
 virtual ~WaveletBlock2D();

 //
 void   ForwardTransform(
    const float *src_super_tile[4],
    float *dst_super_tile[4]
 );

 //
 void   InverseTransform(
    const float *src_super_tile[4],
    float *dst_super_tile[4]
 );

private:
 int    _objInitialized;    // has the obj successfully been initialized?
 size_t _bs[2];         // tile dimensions in voxels
 float  **_temp_tiles1,
    **_temp_tiles2;

 WaveletBlock1D *_wb1d0;    // lifting method wavelet transform
 WaveletBlock1D *_wb1d1;    // lifting method wavelet transform

 WaveletBlock2D(WaveletBlock2D *X, int index);

 void   forward_transform2D_tiles(
    const float **src_tiles,
    float **lambda_tiles,
    float **gamma_tiles,
    int ntiles,
    size_t nx,
    size_t ny,
    WaveletBlock1D *wb1d
 );

 void   forward_transform2D(
    const float *src_tileptr,
    float *lambda_tileptr,
    float *gamma_tileptr,
    int lambda_offset,
    int gamma_offset,
    size_t nx,
    size_t ny,
    WaveletBlock1D *wb1d
 );

 void   inverse_transform2D_tiles(
    const float **lambda_tiles,
    const float **gamma_tiles,
    float **dst_tiles,
    int ntiles,
    size_t nx,
    size_t ny,
    WaveletBlock1D *wb1d
 );

 void   inverse_transform2D(
    const float *lambda_tileptr,
    const float *gamma_tileptr,
    float *dst_tileptr,
    int lambda_offset,
    int gamma_offset,
    size_t nx,
    size_t ny,
    WaveletBlock1D *wb1d
 );

};

};

#endif  //  _WaveletBlock2D_h_