Ptex
PtexBicubicFilter Class Reference

Separable bicubic filter. More...

Inheritance diagram for PtexBicubicFilter:
PtexWidth4Filter PtexSeparableFilter PtexFilter

Public Member Functions

 PtexBicubicFilter (PtexTexture *tx, const PtexFilter::Options &opts, float sharpness)
Public Member Functions inherited from PtexWidth4Filter
 PtexWidth4Filter (PtexTexture *tx, const PtexFilter::Options &opts, KernelFn k, const float *c=0)
virtual void buildKernel (PtexSeparableKernel &k, float u, float v, float uw, float vw, Res faceRes)
Public Member Functions inherited from PtexSeparableFilter
virtual void release ()
 Release resources held by this pointer (pointer becomes invalid).
virtual void eval (float *result, int firstchan, int nchannels, int faceid, float u, float v, float uw1, float vw1, float uw2, float vw2, float width, float blur)
 Apply filter to a ptex data file.

Static Private Member Functions

static float kernelFn (float x, const float *c)

Private Attributes

float _coeffs [7]

Additional Inherited Members

Public Types inherited from PtexWidth4Filter
typedef float KernelFn(float x, const float *c)
Public Types inherited from PtexFilter
enum  FilterType {
  f_point , f_bilinear , f_box , f_gaussian ,
  f_bicubic , f_bspline , f_catmullrom , f_mitchell
}
 Filter types. More...
Static Public Member Functions inherited from PtexFilter
static PtexFiltergetFilter (PtexTexture *tx, const Options &opts)
Protected Member Functions inherited from PtexSeparableFilter
 PtexSeparableFilter (PtexTexture *tx, const PtexFilter::Options &opts)
virtual ~PtexSeparableFilter ()
void splitAndApply (PtexSeparableKernel &k, int faceid, const Ptex::FaceInfo &f)
void applyAcrossEdge (PtexSeparableKernel &k, int faceid, const Ptex::FaceInfo &f, int eid)
void applyToCorner (PtexSeparableKernel &k, int faceid, const Ptex::FaceInfo &f, int eid)
void applyToCornerFace (PtexSeparableKernel &k, const Ptex::FaceInfo &f, int eid, int cfaceid, const Ptex::FaceInfo &cf, int ceid)
void apply (PtexSeparableKernel &k, int faceid, const Ptex::FaceInfo &f)
Protected Member Functions inherited from PtexFilter
virtual ~PtexFilter ()
 Destructor not for public use. Use release() instead.
Protected Attributes inherited from PtexSeparableFilter
PtexTexture_tx
Options _options
float * _result
float _weight
int _firstChanOffset
int _nchan
int _ntxchan
DataType _dt
BorderMode _uMode
BorderMode _vMode
EdgeFilterMode _efm

Detailed Description

Separable bicubic filter.

Definition at line 252 of file PtexFilters.cpp.

Constructor & Destructor Documentation

◆ PtexBicubicFilter()

PtexBicubicFilter::PtexBicubicFilter ( PtexTexture * tx,
const PtexFilter::Options & opts,
float sharpness )
inline

Definition at line 255 of file PtexFilters.cpp.

References _coeffs, kernelFn(), and PtexWidth4Filter::PtexWidth4Filter().

Member Function Documentation

◆ kernelFn()

float PtexBicubicFilter::kernelFn ( float x,
const float * c )
inlinestaticprivate

Definition at line 278 of file PtexFilters.cpp.

References PtexUtils::abs().

Referenced by PtexBicubicFilter().

Member Data Documentation

◆ _coeffs

float PtexBicubicFilter::_coeffs[7]
private

Definition at line 286 of file PtexFilters.cpp.

Referenced by PtexBicubicFilter().


The documentation for this class was generated from the following file: