Interface of SDL_Wavelet

const
{$IFDEF PAIDVERS}
  SDLVersionInfo = 'wavelet_r1200_full';
  IsLightEd = false;
{$ELSE}
  SDLVersionInfo = 'wavelet_r1200_lighted';
  IsLightEd = true;
{$ENDIF}
  Release = 1200;

type
  ESDLWaveletError = class(ESDLError);      // exception type to indicate errors
  TWLSigExtMode = (wseWrap, wseZeroPad, wseSymmetric);  { signal extension
                                                           modes at boundaries }
  TWaveletFamily = (wlfDaubechies);
  TWavelet1D = class (TComponent)
    private
      FNumData      : longint;           // size of data array, must be 2^n
      FData         : array of extended;
      FOrder        : integer;           // order of Daubechies wavelet
      FCoeffsLP     : array of extended; // Daubechies wavelet coeff. (low pass)
      FCoeffsHP     : array of extended; // Daubechies wavelet coeff. (high pass)
      FWLSigExtMode : TWLSigExtMode;
      FWaveletFam   : TWaveletFamily;
      procedure DoWLT (Level: integer; inverse: boolean);
      function  GetDataVal(ix: integer): double;
      procedure SetDataVal (ix: integer; v: double);
      procedure SetNumData (ndata: longint);
      procedure SetOrder (order: integer);
      procedure SetSigExtMode (sext: TWLSigExtMode);
      procedure SetWaveletFam (fam: TWaveletFamily);
      procedure PartialWLT (nData, offset: integer; inverse: boolean);
    public
      constructor Create(AOwner: TComponent); override;
      destructor Destroy; override;
      property  Data[ix: integer]: double read GetDataVal write SetDataVal;
      procedure Clear;
      procedure InverseTransform (Level: integer);
      procedure Transform (Level: integer);
{$IFDEF DEVELOPVERS}
   {$I intf_wavelet_futurevers.pas}
{$ENDIF}
    published
      property WaveletFamily: TWaveletFamily read FWaveletFam write SetWaveletFam;
      property Order: integer read FOrder write SetOrder;
      property Size: integer read FNumData write SetNumData;
      property SignalExtMode: TWLSigExtMode read FWLSigExtMode write SetSigExtMode;
      procedure SingleStep (inverse: boolean);
    end;