| Ptex
    | 
#include <PtexSeparableFilter.h>
 
  
| Public Member Functions | |
| 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 | |
| PtexSeparableFilter (PtexTexture *tx, const PtexFilter::Options &opts) | |
| virtual | ~PtexSeparableFilter () | 
| virtual void | buildKernel (PtexSeparableKernel &k, float u, float v, float uw, float vw, Res faceRes)=0 | 
| 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... | |
| Protected Attributes | |
| PtexTexture * | _tx | 
| Options | _options | 
| float * | _result | 
| float | _weight | 
| int | _firstChanOffset | 
| int | _nchan | 
| int | _ntxchan | 
| DataType | _dt | 
| BorderMode | _uMode | 
| BorderMode | _vMode | 
| EdgeFilterMode | _efm | 
| 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) | 
Definition at line 45 of file PtexSeparableFilter.h.
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 | inlineprotected | 
Definition at line 55 of file PtexSeparableFilter.h.
References PtexFilter::Options::__structSize, _options, and PtexFilter::Options::noedgeblend.
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 | inlineprotectedvirtual | 
Definition at line 66 of file PtexSeparableFilter.h.
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 | protected | 
Definition at line 348 of file PtexSeparableFilter.cpp.
References _dt, _efm, _firstChanOffset, _nchan, _ntxchan, _result, _tx, PtexSeparableKernel::apply(), PtexSeparableKernel::applyConst(), PtexSeparableKernel::downresU(), PtexSeparableKernel::downresV(), Ptex::efm_tanvec, PtexFaceData::getData(), PtexTexture::getData(), PtexFaceData::getTile(), PtexFaceData::isConstant(), PtexFaceData::isTiled(), PtexSeparableKernel::ku, PtexSeparableKernel::kv, PtexUtils::min(), PtexSeparableKernel::res, Ptex::FaceInfo::res, PtexSeparableKernel::rot, PtexFaceData::tileRes(), PtexSeparableKernel::u, Ptex::Res::u(), PtexSeparableKernel::uw, PtexSeparableKernel::v, Ptex::Res::v(), and PtexSeparableKernel::vw.
Referenced by applyAcrossEdge(), applyToCornerFace(), and splitAndApply().
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 | protected | 
Definition at line 215 of file PtexSeparableFilter.cpp.
References _tx, Ptex::FaceInfo::adjedge(), Ptex::FaceInfo::adjface(), PtexSeparableKernel::adjustMainToSubface(), PtexSeparableKernel::adjustSubfaceToMain(), apply(), PtexTexture::getFaceInfo(), Ptex::FaceInfo::isSubface(), PtexSeparableKernel::rotate(), and splitAndApply().
Referenced by splitAndApply().
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 | protected | 
Definition at line 257 of file PtexSeparableFilter.cpp.
References _tx, _weight, PtexSeparableKernel::adjustSubfaceToMain(), applyToCornerFace(), PtexTexture::getFaceInfo(), Ptex::FaceInfo::isSubface(), PtexSeparableKernel::makeSymmetric(), PtexSeparableKernel::rotate(), splitAndApply(), and PtexSeparableKernel::weight().
Referenced by splitAndApply().
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 | protected | 
Definition at line 331 of file PtexSeparableFilter.cpp.
References PtexSeparableKernel::adjustMainToSubface(), PtexSeparableKernel::adjustSubfaceToMain(), apply(), Ptex::FaceInfo::isSubface(), PtexSeparableKernel::rotate(), and splitAndApply().
Referenced by applyToCorner().
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 | protectedpure virtual | 
Implemented in PtexBilinearFilter, PtexBoxFilter, and PtexWidth4Filter.
Referenced by eval().
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 | virtual | 
Apply filter to a ptex data file.
The filter region is a parallelogram centered at the given (u,v) coordinate with sides defined by two vectors [uw1, vw1] and [uw2, vw2]. For an axis-aligned rectangle, the vectors are [uw, 0] and [0, vw]. See Filter Footprint for details.
| result | Buffer to hold filter result. Must be large enough to hold nchannels worth of data. | 
| firstchan | First channel to evaluate [0..tx->numChannels()-1] | 
| nchannels | Number of channels to evaluate | 
| faceid | Face index [0..tx->numFaces()-1] | 
| u | U coordinate, normalized [0..1] | 
| v | V coordinate, normalized [0..1] | 
| uw1 | U filter width 1, normalized [0..1] | 
| vw1 | V filter width 1, normalized [0..1] | 
| uw2 | U filter width 2, normalized [0..1] | 
| vw2 | V filter width 2, normalized [0..1] | 
| width | scale factor for filter width | 
| blur | amount to add to filter width [0..1] | 
Implements PtexFilter.
Definition at line 47 of file PtexSeparableFilter.cpp.
References _dt, _firstChanOffset, _nchan, _ntxchan, _result, _tx, _uMode, _vMode, _weight, PtexUtils::abs(), buildKernel(), PtexUtils::clamp(), Ptex::ConvertToFloat(), Ptex::DataSize(), PtexFaceData::getData(), PtexTexture::getData(), PtexTexture::getFaceInfo(), PtexSeparableKernel::kmax, Ptex::m_black, Ptex::m_clamp, Ptex::m_periodic, PtexUtils::min(), PtexTexture::numFaces(), Ptex::OneValue(), PtexSeparableKernel::res, splitAndApply(), PtexSeparableKernel::stripZeros(), PtexSeparableKernel::upresU(), PtexSeparableKernel::upresV(), PtexSeparableKernel::uw, PtexSeparableKernel::vw, and PtexSeparableKernel::weight().
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 | inlinevirtual | 
Release resources held by this pointer (pointer becomes invalid).
Implements PtexFilter.
Definition at line 48 of file PtexSeparableFilter.h.
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 | protected | 
Definition at line 135 of file PtexSeparableFilter.cpp.
References _options, _uMode, _vMode, Ptex::FaceInfo::adjface(), apply(), applyAcrossEdge(), applyToCorner(), Ptex::e_bottom, Ptex::e_left, Ptex::e_right, Ptex::e_top, PtexSeparableKernel::mergeB(), PtexSeparableKernel::mergeL(), PtexSeparableKernel::mergeR(), PtexSeparableKernel::mergeT(), PtexFilter::Options::noedgeblend, PtexSeparableKernel::res, PtexSeparableKernel::splitB(), PtexSeparableKernel::splitL(), PtexSeparableKernel::splitR(), PtexSeparableKernel::splitT(), PtexSeparableKernel::u, PtexSeparableKernel::uw, PtexSeparableKernel::v, and PtexSeparableKernel::vw.
Referenced by applyAcrossEdge(), applyToCorner(), applyToCornerFace(), and eval().
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 | protected | 
Definition at line 85 of file PtexSeparableFilter.h.
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 | protected | 
Definition at line 87 of file PtexSeparableFilter.h.
Referenced by apply().
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 | protected | 
Definition at line 82 of file PtexSeparableFilter.h.
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 | protected | 
Definition at line 83 of file PtexSeparableFilter.h.
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 | protected | 
Definition at line 84 of file PtexSeparableFilter.h.
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 | protected | 
Definition at line 79 of file PtexSeparableFilter.h.
Referenced by PtexWidth4Filter::buildKernelAxis(), PtexSeparableFilter(), and splitAndApply().
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 | protected | 
Definition at line 80 of file PtexSeparableFilter.h.
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 | protected | 
Definition at line 78 of file PtexSeparableFilter.h.
Referenced by apply(), applyAcrossEdge(), applyToCorner(), and eval().
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 | protected | 
Definition at line 86 of file PtexSeparableFilter.h.
Referenced by eval(), and splitAndApply().
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 | protected | 
Definition at line 86 of file PtexSeparableFilter.h.
Referenced by eval(), and splitAndApply().
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 | protected | 
Definition at line 81 of file PtexSeparableFilter.h.
Referenced by applyToCorner(), and eval().
 1.8.17
 1.8.17