Freestyle::GaussianFilter Class Reference

#include <GaussianFilter.h>

Public Member Functions
	GaussianFilter (float iSigma=1.0f)
	GaussianFilter (const GaussianFilter &)
GaussianFilter &	operator= (const GaussianFilter &)
virtual	~GaussianFilter ()
template<class Map>
float	getSmoothedPixel (Map *map, int x, int y)
float	sigma () const
int	maskSize () const
int	getBound ()
void	setSigma (float sigma)

Static Public Member Functions
static int	computeMaskSize (float sigma)

Protected Member Functions
void	computeMask ()

Protected Attributes
float	_sigma
float *	_mask
int	_bound
int	_maskSize
int	_storedMaskSize

Detailed Description

Definition at line 21 of file GaussianFilter.h.

Constructor & Destructor Documentation

GaussianFilter() [1/2]

Freestyle::GaussianFilter::GaussianFilter

(

float

iSigma = 1.0f

)

Definition at line 18 of file GaussianFilter.cpp.

References _mask, _sigma, and computeMask().

Referenced by GaussianFilter(), and operator=().

GaussianFilter() [2/2]

Freestyle::GaussianFilter::GaussianFilter

(

const GaussianFilter &

iBrother

)

Definition at line 25 of file GaussianFilter.cpp.

References _bound, _mask, _maskSize, _sigma, _storedMaskSize, and GaussianFilter().

~GaussianFilter()

Freestyle::GaussianFilter::~GaussianFilter ( )

virtual

Definition at line 46 of file GaussianFilter.cpp.

References _mask.

Member Function Documentation

computeMask()

void Freestyle::GaussianFilter::computeMask ( )

protected

Definition at line 67 of file GaussianFilter.cpp.

References _bound, _mask, _maskSize, _sigma, _storedMaskSize, computeMaskSize(), exp, float, i, M_PI, and norm().

Referenced by GaussianFilter(), and setSigma().

computeMaskSize()

int Freestyle::GaussianFilter::computeMaskSize ( float sigma )

static

Compute the mask size and returns the REAL mask size ((2*_maskSize)-1) This method is provided for convenience.

Definition at line 51 of file GaussianFilter.cpp.

References floor, maskSize(), and sigma().

Referenced by computeMask().

getBound()

int Freestyle::GaussianFilter::getBound ( )

inline

Definition at line 71 of file GaussianFilter.h.

References _bound.

getSmoothedPixel()

template<class Map>

float Freestyle::GaussianFilter::getSmoothedPixel	(	Map *	map,
		int	x,
		int	y )

Returns the value for pixel x,y of image "map" after a gaussian blur, made using the sigma value. The sigma value determines the mask size (~ 2 x sigma).

Parameters

map	The image we wish to work on. The Map template must implement the following methods: float pixel(uint x, uint y) const; uint width() const; uint height() const;
x	The abscissa of the pixel where we want to evaluate the gaussian blur.
y	The ordinate of the pixel where we want to evaluate the gaussian blur.

Definition at line 104 of file GaussianFilter.h.

References _bound, _mask, _storedMaskSize, abs, i, L, w(), Freestyle::x, and y.

Referenced by Freestyle::GaussianPyramid::BuildPyramid(), and Freestyle::Canvas::loadMap().

maskSize()

int Freestyle::GaussianFilter::maskSize ( ) const

inline

Definition at line 66 of file GaussianFilter.h.

References _maskSize.

Referenced by computeMaskSize().

operator=()

GaussianFilter & Freestyle::GaussianFilter::operator=

(

const GaussianFilter &

iBrother

)

Definition at line 35 of file GaussianFilter.cpp.

References _bound, _mask, _maskSize, _sigma, _storedMaskSize, and GaussianFilter().

setSigma()

void Freestyle::GaussianFilter::setSigma

(

float

sigma

)

modifiers

Definition at line 61 of file GaussianFilter.cpp.

References _sigma, computeMask(), and sigma().

sigma()

float Freestyle::GaussianFilter::sigma ( ) const

inline

accessors

Definition at line 61 of file GaussianFilter.h.

References _sigma.

Referenced by computeMaskSize(), and setSigma().

Member Data Documentation

_bound

int Freestyle::GaussianFilter::_bound

protected

Definition at line 31 of file GaussianFilter.h.

Referenced by computeMask(), GaussianFilter(), getBound(), getSmoothedPixel(), and operator=().

_mask

float* Freestyle::GaussianFilter::_mask

protected

Definition at line 30 of file GaussianFilter.h.

Referenced by computeMask(), GaussianFilter(), GaussianFilter(), getSmoothedPixel(), operator=(), and ~GaussianFilter().

_maskSize

int Freestyle::GaussianFilter::_maskSize

protected

Definition at line 34 of file GaussianFilter.h.

Referenced by computeMask(), GaussianFilter(), maskSize(), and operator=().

_sigma

float Freestyle::GaussianFilter::_sigma

protected

The sigma value of the gaussian function.

Definition at line 29 of file GaussianFilter.h.

Referenced by computeMask(), GaussianFilter(), GaussianFilter(), operator=(), setSigma(), and sigma().

_storedMaskSize

int Freestyle::GaussianFilter::_storedMaskSize

protected

Definition at line 35 of file GaussianFilter.h.

Referenced by computeMask(), GaussianFilter(), getSmoothedPixel(), and operator=().

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

• GaussianFilter.h
• GaussianFilter.cpp