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FFTCompressor Class Reference

#include <fftCompressor.h>

List of all members.

Public Member Functions
	FFTCompressor ()
void	set_quality (int quality)
int	get_quality () const
void	set_transpose_quats (bool flag)
bool	get_transpose_quats () const
void	write_header (Datagram &datagram)
void	write_reals (Datagram &datagram, const float *array, int length)
void	write_hprs (Datagram &datagram, const LVecBase3f *array, int length)
bool	read_header (DatagramIterator &di)
bool	read_reals (DatagramIterator &di, vector_float &array)
bool	read_hprs (DatagramIterator &di, vector_LVecBase3f &array)
Static Public Member Functions
bool	is_compression_available ()
void	free_storage ()
Private Types
enum	RunWidth {   RW_width_mask = 0xc0, RW_length_mask = 0x3f, RW_0 = 0x00, RW_8 = 0x40,   RW_16 = 0x80, RW_32 = 0xc0, RW_double = 0xff, RW_invalid = 0x01 }
Private Member Functions
int	write_run (Datagram &datagram, RunWidth run_width, const vector_double &run)
int	read_run (DatagramIterator &di, vector_double &run)
double	get_scale_factor (int i, int length) const
Static Private Member Functions
double	interpolate (double t, double a, double b)
Private Attributes
int	_quality
double	_fft_offset
double	_fft_factor
double	_fft_exponent
bool	_transpose_quats

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Member Enumeration Documentation

enum FFTCompressor::RunWidth [private]

Enumeration values: RW_width_mask  RW_length_mask  RW_0  RW_8  RW_16  RW_32  RW_double  RW_invalid  Definition at line 71 of file fftCompressor.h. Referenced by read_run(), and write_reals().

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Constructor & Destructor Documentation

FFTCompressor::FFTCompressor (   )

Definition at line 49 of file fftCompressor.cxx. References _transpose_quats, and set_quality().

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Member Function Documentation

void FFTCompressor::free_storage (   )  [static]

Definition at line 719 of file fftCompressor.cxx.

int FFTCompressor::get_quality (   )  const

Definition at line 160 of file fftCompressor.cxx. References _quality.

double FFTCompressor::get_scale_factor (  int  i, int  length )  const [private]

Definition at line 902 of file fftCompressor.cxx. References _fft_exponent, _fft_factor, _fft_offset, length, and pow(). Referenced by read_reals(), and write_reals().

bool FFTCompressor::get_transpose_quats (   )  const

Definition at line 184 of file fftCompressor.cxx. References _transpose_quats.

double FFTCompressor::interpolate (  double  t, double  a, double  b )  [static, private]

Definition at line 919 of file fftCompressor.cxx. References a, b, and t. Referenced by set_quality().

bool FFTCompressor::is_compression_available (   )  [static]

Definition at line 66 of file fftCompressor.cxx. Referenced by AnimChannelScalarTable::write_datagram(), and AnimChannelMatrixXfmTable::write_datagram().

bool FFTCompressor::read_header (  DatagramIterator &  di  )

Definition at line 479 of file fftCompressor.cxx. References _fft_exponent, _fft_factor, _fft_offset, _quality, DatagramIterator::get_float64(), DatagramIterator::get_int8(), and set_quality(). Referenced by AnimChannelScalarTable::fillin(), and AnimChannelMatrixXfmTable::fillin().

bool FFTCompressor::read_hprs (  DatagramIterator &  di, vector_LVecBase3f &  array )

Definition at line 586 of file fftCompressor.cxx. References _quality, decompose_matrix(), IS_THRESHOLD_EQUAL, p, r, read_reals(), and scale. Referenced by AnimChannelMatrixXfmTable::fillin().

bool FFTCompressor::read_reals (  DatagramIterator &  di, vector_float &  array )

Definition at line 517 of file fftCompressor.cxx. References _quality, data, DatagramIterator::get_float32(), DatagramIterator::get_int32(), get_scale_factor(), length, read_run(), and scale. Referenced by AnimChannelScalarTable::fillin(), AnimChannelMatrixXfmTable::fillin(), and read_hprs().

int FFTCompressor::read_run (  DatagramIterator &  di, vector_double &  run )  [private]

Definition at line 831 of file fftCompressor.cxx. References DatagramIterator::get_float64(), DatagramIterator::get_int16(), DatagramIterator::get_int32(), DatagramIterator::get_int8(), DatagramIterator::get_uint16(), DatagramIterator::get_uint8(), length, PN_uint8, RunWidth, RW_0, RW_16, RW_32, RW_8, RW_double, RW_length_mask, RW_width_mask, and start. Referenced by read_reals().

void FFTCompressor::set_quality (  int  quality  )

Definition at line 98 of file fftCompressor.cxx. References _fft_exponent, _fft_factor, _fft_offset, _quality, fft_exponent, fft_factor, fft_offset, interpolate(), and t. Referenced by FFTCompressor(), read_header(), AnimChannelScalarTable::write_datagram(), and AnimChannelMatrixXfmTable::write_datagram().

void FFTCompressor::set_transpose_quats (  bool  flag  )

Definition at line 173 of file fftCompressor.cxx. References _transpose_quats.

void FFTCompressor::write_header (  Datagram &  datagram  )

Definition at line 198 of file fftCompressor.cxx. References _fft_exponent, _fft_factor, _fft_offset, _quality, Datagram::add_float64(), and Datagram::add_int8(). Referenced by AnimChannelScalarTable::write_datagram(), and AnimChannelMatrixXfmTable::write_datagram().

void FFTCompressor::write_hprs (  Datagram &  datagram, const LVecBase3f *  array, int  length )

Definition at line 320 of file fftCompressor.cxx. References _quality, compose_matrix(), decompose_matrix(), length, p, r, scale, and write_reals(). Referenced by AnimChannelMatrixXfmTable::write_datagram().

void FFTCompressor::write_reals (  Datagram &  datagram, const float *  array, int  length )

Definition at line 214 of file fftCompressor.cxx. References _quality, a, Datagram::add_float32(), Datagram::add_int32(), cfloor(), data, get_scale_factor(), length, RunWidth, RW_0, RW_16, RW_32, RW_8, RW_double, RW_invalid, scale_factor, and write_run(). Referenced by AnimChannelScalarTable::write_datagram(), AnimChannelMatrixXfmTable::write_datagram(), and write_hprs().

int FFTCompressor::write_run (  Datagram &  datagram, RunWidth  run_width, const vector_double &  run )  [private]

Definition at line 746 of file fftCompressor.cxx. References Datagram::add_float64(), Datagram::add_int16(), Datagram::add_int32(), Datagram::add_int8(), Datagram::add_uint16(), Datagram::add_uint8(), PN_int8, RW_0, RW_16, RW_32, RW_8, RW_double, RW_invalid, and RW_length_mask. Referenced by write_reals().

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Member Data Documentation

double FFTCompressor::_fft_exponent [private]

Definition at line 95 of file fftCompressor.h. Referenced by get_scale_factor(), read_header(), set_quality(), and write_header().

double FFTCompressor::_fft_factor [private]

Definition at line 94 of file fftCompressor.h. Referenced by get_scale_factor(), read_header(), set_quality(), and write_header().

double FFTCompressor::_fft_offset [private]

Definition at line 93 of file fftCompressor.h. Referenced by get_scale_factor(), read_header(), set_quality(), and write_header().

int FFTCompressor::_quality [private]

Definition at line 92 of file fftCompressor.h. Referenced by get_quality(), read_header(), read_hprs(), read_reals(), set_quality(), write_header(), write_hprs(), and write_reals().

bool FFTCompressor::_transpose_quats [private]

Definition at line 96 of file fftCompressor.h. Referenced by FFTCompressor(), get_transpose_quats(), and set_transpose_quats().

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

• fftCompressor.h
• fftCompressor.cxx

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