Rectangular box filter. More...
Inheritance diagram for PtexBoxFilter:
Public Member Functions | |
| PtexBoxFilter (PtexTexture *tx, const PtexFilter::Options &opts) | |
 Public Member Functions inherited from PtexSeparableFilter | |
| virtual void | release () |
| Release resources held by this pointer (pointer becomes invalid). More... | |
| 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. More... | |
Protected Member Functions | |
| virtual void | buildKernel (PtexSeparableKernel &k, float u, float v, float uw, float vw, Res faceRes) |
| 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. More... | |
Private Member Functions | |
| void | computeWeights (float *kernel, int size, float f1, float f2) |
Additional Inherited Members | |
| 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 PtexFilter * | getFilter (PtexTexture *tx, const Options &opts) |
| 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
Rectangular box filter.
The box is convolved with the texels as area samples and thus the kernel function is actually trapezoidally shaped.
Definition at line 311 of file PtexFilters.cpp.
Constructor & Destructor Documentation
◆ PtexBoxFilter()
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inline |
Definition at line 314 of file PtexFilters.cpp.
Member Function Documentation
◆ buildKernel()
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inlineprotectedvirtual |
Implements PtexSeparableFilter.
Definition at line 318 of file PtexFilters.cpp.
References PtexUtils::calcResFromWidth(), computeWeights(), PtexSeparableKernel::ku, PtexSeparableKernel::kv, PtexUtils::max(), PtexUtils::min(), PtexUtils::reciprocalPow2(), PtexSeparableKernel::res, PtexSeparableKernel::u, PtexSeparableKernel::uw, PtexSeparableKernel::v, and PtexSeparableKernel::vw.
◆ computeWeights()
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inlineprivate |
Definition at line 358 of file PtexFilters.cpp.
Referenced by buildKernel().
The documentation for this class was generated from the following file:
