SourceXtractor::ScaledImageSource< T > Class Template Reference

#include <ScaledImageSource.h>

Inheritance diagram for SourceXtractor::ScaledImageSource< T >:

Collaboration diagram for SourceXtractor::ScaledImageSource< T >:

Public Types
enum class	InterpolationType { BILINEAR , BICUBIC }
	Interpolation type: bilinear or bicubic. More...

Public Member Functions
	ScaledImageSource (const std::shared_ptr< Image< T > > &image, int width, int height, InterpolationType interp_type=InterpolationType::BICUBIC)
virtual	~ScaledImageSource ()=default
std::string	getRepr () const final
std::shared_ptr< ImageTile >	getImageTile (int x, int y, int width, int height) const final
void	saveTile (ImageTile &) final
int	getWidth () const final
int	getHeight () const final
ImageTile::ImageType	getType () const override
Public Member Functions inherited from SourceXtractor::ImageSource
	ImageSource ()
virtual	~ImageSource ()=default
virtual const std::map< std::string, MetadataEntry > &	getMetadata () const
virtual void	setMetadata (const std::string &key, const MetadataEntry &value)

Private Attributes
std::shared_ptr< Image< T > >	m_image
int	m_width
int	m_height
Euclid::MathUtils::InterpolationType	m_interpolation_type
std::vector< std::unique_ptr< Euclid::MathUtils::Function > >	m_interpolated_cols
std::vector< double >	m_x_coords
double	m_wscale
double	m_hscale

Detailed Description

template<typename T>
class SourceXtractor::ScaledImageSource< T >

Scales an image to a target width and height. Note that the original image grid is centered on the target one, so values on the edges are actually extrapolated.

Template Parameters

T	Pixel type

Definition at line 35 of file ScaledImageSource.h.

Member Enumeration Documentation

InterpolationType

template<typename T >

enum class SourceXtractor::ScaledImageSource::InterpolationType

strong

Interpolation type: bilinear or bicubic.

Enumerator
BILINEAR
BICUBIC

Definition at line 38 of file ScaledImageSource.h.

Constructor & Destructor Documentation

ScaledImageSource()

template<typename T >

SourceXtractor::ScaledImageSource< T >::ScaledImageSource ( const std::shared_ptr< Image< T > > & image, int width, int height, InterpolationType interp_type = InterpolationType::BICUBIC )

inline

Constructor

Parameters

image	Image to upscale
width	New width
height	New height
interp_type	Interpolation type

Definition at line 53 of file ScaledImageSource.h.

References SourceXtractor::ScaledImageSource< T >::BICUBIC, SourceXtractor::ScaledImageSource< T >::BILINEAR, std::ceil(), std::floor(), Euclid::MathUtils::interpolate(), SourceXtractor::ScaledImageSource< T >::m_hscale, SourceXtractor::ScaledImageSource< T >::m_interpolated_cols, SourceXtractor::ScaledImageSource< T >::m_interpolation_type, SourceXtractor::ScaledImageSource< T >::m_wscale, SourceXtractor::ScaledImageSource< T >::m_x_coords, std::vector< T >::resize(), std::vector< T >::size(), x, and y.

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~ScaledImageSource()

template<typename T >

virtual SourceXtractor::ScaledImageSource< T >::~ScaledImageSource ( )

virtualdefault

Destructor

Member Function Documentation

getHeight()

template<typename T >

int SourceXtractor::ScaledImageSource< T >::getHeight ( ) const

inlinefinalvirtual

Returns

Upscaled height

Implements SourceXtractor::ImageSource.

Definition at line 152 of file ScaledImageSource.h.

References SourceXtractor::ScaledImageSource< T >::m_height.

getImageTile()

template<typename T >

std::shared_ptr< ImageTile > SourceXtractor::ScaledImageSource< T >::getImageTile ( int x, int y, int width, int height ) const

inlinefinalvirtual

Get a tile from the scaled image

Parameters

x	Tile offset on the X coordinate
y	Tile offset on the Y coordinate
width	Tile width
height	Tile height

Returns

An initialized upscaled tile

Implements SourceXtractor::ImageSource.

Definition at line 118 of file ScaledImageSource.h.

References SourceXtractor::ImageTile::create(), SourceXtractor::ImageTile::getTypeValue(), Euclid::MathUtils::interpolate(), SourceXtractor::ScaledImageSource< T >::m_interpolated_cols, SourceXtractor::ScaledImageSource< T >::m_interpolation_type, SourceXtractor::ScaledImageSource< T >::m_x_coords, std::vector< T >::size(), x, and y.

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getRepr()

template<typename T >

std::string SourceXtractor::ScaledImageSource< T >::getRepr ( ) const

inlinefinalvirtual

Returns

Human readable representation of this object

Implements SourceXtractor::ImageSource.

Definition at line 101 of file ScaledImageSource.h.

getType()

template<typename T >

ImageTile::ImageType SourceXtractor::ScaledImageSource< T >::getType ( ) const

inlineoverridevirtual

Implements SourceXtractor::ImageSource.

Definition at line 156 of file ScaledImageSource.h.

References SourceXtractor::ImageTile::getTypeValue().

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getWidth()

template<typename T >

int SourceXtractor::ScaledImageSource< T >::getWidth ( ) const

inlinefinalvirtual

Returns

Upscaled width

Implements SourceXtractor::ImageSource.

Definition at line 145 of file ScaledImageSource.h.

References SourceXtractor::ScaledImageSource< T >::m_width.

saveTile()

template<typename T >

void SourceXtractor::ScaledImageSource< T >::saveTile ( ImageTile & )

inlinefinalvirtual

A tile of this type can not be saved

Implements SourceXtractor::ImageSource.

Definition at line 138 of file ScaledImageSource.h.

Member Data Documentation

m_height

template<typename T >

int SourceXtractor::ScaledImageSource< T >::m_height

private

Definition at line 162 of file ScaledImageSource.h.

Referenced by SourceXtractor::ScaledImageSource< T >::getHeight().

m_hscale

template<typename T >

double SourceXtractor::ScaledImageSource< T >::m_hscale

private

Definition at line 166 of file ScaledImageSource.h.

Referenced by SourceXtractor::ScaledImageSource< T >::ScaledImageSource().

m_image

template<typename T >

std::shared_ptr<Image<T> > SourceXtractor::ScaledImageSource< T >::m_image

private

Definition at line 161 of file ScaledImageSource.h.

m_interpolated_cols

template<typename T >

std::vector<std::unique_ptr<Euclid::MathUtils::Function> > SourceXtractor::ScaledImageSource< T >::m_interpolated_cols

private

Definition at line 164 of file ScaledImageSource.h.

Referenced by SourceXtractor::ScaledImageSource< T >::getImageTile(), and SourceXtractor::ScaledImageSource< T >::ScaledImageSource().

m_interpolation_type

template<typename T >

Euclid::MathUtils::InterpolationType SourceXtractor::ScaledImageSource< T >::m_interpolation_type

private

Definition at line 163 of file ScaledImageSource.h.

Referenced by SourceXtractor::ScaledImageSource< T >::getImageTile(), and SourceXtractor::ScaledImageSource< T >::ScaledImageSource().

m_width

template<typename T >

int SourceXtractor::ScaledImageSource< T >::m_width

private

Definition at line 162 of file ScaledImageSource.h.

Referenced by SourceXtractor::ScaledImageSource< T >::getWidth().

m_wscale

template<typename T >

double SourceXtractor::ScaledImageSource< T >::m_wscale

private

Definition at line 166 of file ScaledImageSource.h.

Referenced by SourceXtractor::ScaledImageSource< T >::ScaledImageSource().

m_x_coords

template<typename T >

std::vector<double> SourceXtractor::ScaledImageSource< T >::m_x_coords

private

Definition at line 165 of file ScaledImageSource.h.

Referenced by SourceXtractor::ScaledImageSource< T >::getImageTile(), and SourceXtractor::ScaledImageSource< T >::ScaledImageSource().

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

• SEFramework/SEFramework/Image/ScaledImageSource.h