"wrapper" for efficient interpolation access to an image More...

#include <Interpolators.h>

Public Types
typedef SrcAccessor::value_type	PixelType

typedef vigra::UInt8	MaskType

Public Member Functions
	ImageInterpolator (vigra::triple< SrcImageIterator, SrcImageIterator, SrcAccessor > const &src, INTERPOLATOR &inter, bool warparound)
	Construct interpolator for an given image.

	ImageInterpolator (SrcImageIterator src_upperleft, SrcImageIterator src_lowerright, SrcAccessor sa, INTERPOLATOR &inter, bool warparound)
	Construct interpolator for specific image.

bool	operator() (double x, double y, PixelType &result, MaskType &mask) const
	Interpolate without mask, but return dummy alpha value nevertheless.

bool	operator() (double x, double y, PixelType &result) const
	Interpolate without mask.

bool	interpolateNoMaskInside (int srcx, int srcy, double dx, double dy, PixelType &result) const
	Interpolate without boundary check and mask.

void	emitGLSL (std::ostringstream &oss) const

Private Types
typedef vigra::NumericTraits< PixelType >::RealPromote	RealPixelType

Private Attributes
SrcImageIterator	m_sIter

SrcAccessor	m_sAcc

int	m_w

int	m_h

bool	m_warparound

INTERPOLATOR	m_inter

Detailed Description

template<typename SrcImageIterator, typename SrcAccessor, typename INTERPOLATOR>
class vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >

"wrapper" for efficient interpolation access to an image

Tailored for panorama remapping. Supports warparound boundary condition of left and right

Definition at line 290 of file Interpolators.h.

Member Typedef Documentation

◆ MaskType

template<typename SrcImageIterator , typename SrcAccessor , typename INTERPOLATOR >

typedef vigra::UInt8 vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::MaskType

Definition at line 295 of file Interpolators.h.

◆ PixelType

template<typename SrcImageIterator , typename SrcAccessor , typename INTERPOLATOR >

typedef SrcAccessor::value_type vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::PixelType

Definition at line 293 of file Interpolators.h.

◆ RealPixelType

template<typename SrcImageIterator , typename SrcAccessor , typename INTERPOLATOR >

typedef vigra::NumericTraits<PixelType>::RealPromote vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::RealPixelType

private

Definition at line 297 of file Interpolators.h.

Constructor & Destructor Documentation

◆ ImageInterpolator() [1/2]

template<typename SrcImageIterator , typename SrcAccessor , typename INTERPOLATOR >

vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::ImageInterpolator	(	vigra::triple< SrcImageIterator, SrcImageIterator, SrcAccessor > const &	src,
		INTERPOLATOR &	inter,
		bool	warparound
	)

inline

Construct interpolator for an given image.

Definition at line 309 of file Interpolators.h.

◆ ImageInterpolator() [2/2]

template<typename SrcImageIterator , typename SrcAccessor , typename INTERPOLATOR >

vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::ImageInterpolator	(	SrcImageIterator	src_upperleft,
		SrcImageIterator	src_lowerright,
		SrcAccessor	sa,
		INTERPOLATOR &	inter,
		bool	warparound
	)

inline

Construct interpolator for specific image.

Definition at line 324 of file Interpolators.h.

Member Function Documentation

◆ emitGLSL()

template<typename SrcImageIterator , typename SrcAccessor , typename INTERPOLATOR >

void vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::emitGLSL ( std::ostringstream & oss ) const

inline

Definition at line 459 of file Interpolators.h.

References vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::m_inter, and threshold().

◆ interpolateNoMaskInside()

template<typename SrcImageIterator , typename SrcAccessor , typename INTERPOLATOR >

bool vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::interpolateNoMaskInside	(	int	srcx,
		int	srcy,
		double	dx,
		double	dy,
		PixelType &	result
	)		const

inline

Interpolate without boundary check and mask.

Definition at line 423 of file Interpolators.h.

References vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::m_inter, vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::m_sAcc, vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::m_sIter, and threshold().

Referenced by vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::operator()().

◆ operator()() [1/2]

template<typename SrcImageIterator , typename SrcAccessor , typename INTERPOLATOR >

bool vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::operator()	(	double	x,
		double	y,
		PixelType &	result
	)		const

inline

Interpolate without mask.

Definition at line 347 of file Interpolators.h.

References vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::interpolateNoMaskInside(), vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::m_h, vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::m_inter, vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::m_sAcc, vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::m_sIter, vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::m_w, vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::m_warparound, and threshold().

◆ operator()() [2/2]

template<typename SrcImageIterator , typename SrcAccessor , typename INTERPOLATOR >

bool vigra_ext::ImageInterpolator< SrcImageIterator, SrcAccessor, INTERPOLATOR >::operator()	(	double	x,
		double	y,
		PixelType &	result,
		MaskType &	mask
	)		const