walberla::geometry::RGBAImage Class Reference

Detailed Description

A gray scale image.

Can be loaded from png files

#include <RGBAImage.h>

Classes
struct	pixel_t
struct	RGBAColor

Public Types
enum	Channel { R = 0 , G = 1 , B = 2 , A = 3 }

Public Member Functions
	RGBAImage (uint_t _width, uint_t _height)
	RGBAImage (const std::string &pngFilename)
void	save (const std::string &pngFilename)
RGBAImage	getResizedImage (uint_t newWidth, uint_t newHeight, bool bilinear=true) const
uint_t	width () const
uint_t	height () const
uint_t	size (uint_t coord) const
void	setToWhite ()
real_t	operator() (cell_idx_t x, cell_idx_t y, Channel c) const
void	setElement (cell_idx_t x, cell_idx_t y, Channel c, real_t val)
unsigned char &	getElement (cell_idx_t x, cell_idx_t y, RGBAImage::Channel c)
const unsigned char &	getElement (cell_idx_t x, cell_idx_t y, RGBAImage::Channel c) const
pixel_t &	getElement (cell_idx_t x, cell_idx_t y)
const pixel_t &	getElement (cell_idx_t x, cell_idx_t y) const

Static Public Member Functions
static pixel_t	pixelValueFromString (const std::string &str)

Protected Member Functions
	RGBAImage ()=default

Protected Attributes
std::array< uint_t, 2 >	size_
std::vector< unsigned char >	image_

Member Enumeration Documentation

Channel

enum walberla::geometry::RGBAImage::Channel

Enumerator
R
G
B
A

Constructor & Destructor Documentation

RGBAImage() [1/3]

walberla::geometry::RGBAImage::RGBAImage	(	uint_t	_width,
		uint_t	_height )

RGBAImage() [2/3]

walberla::geometry::RGBAImage::RGBAImage

(

const std::string &

pngFilename

)

RGBAImage() [3/3]

walberla::geometry::RGBAImage::RGBAImage ( )

protecteddefault

Member Function Documentation

getElement() [1/4]

RGBAImage::pixel_t & walberla::geometry::RGBAImage::getElement ( cell_idx_t x, cell_idx_t y )

inline

getElement() [2/4]

const RGBAImage::pixel_t & walberla::geometry::RGBAImage::getElement ( cell_idx_t x, cell_idx_t y ) const

inline

getElement() [3/4]

unsigned char & walberla::geometry::RGBAImage::getElement ( cell_idx_t x, cell_idx_t y, RGBAImage::Channel c )

inline

getElement() [4/4]

const unsigned char & walberla::geometry::RGBAImage::getElement ( cell_idx_t x, cell_idx_t y, RGBAImage::Channel c ) const

inline

getResizedImage()

RGBAImage walberla::geometry::RGBAImage::getResizedImage	(	uint_t	newWidth,
		uint_t	newHeight,
		bool	bilinear = true ) const

height()

uint_t walberla::geometry::RGBAImage::height ( ) const

inline

operator()()

real_t walberla::geometry::RGBAImage::operator()	(	cell_idx_t	x,
		cell_idx_t	y,
		RGBAImage::Channel	c ) const

pixelValueFromString()

RGBAImage::pixel_t walberla::geometry::RGBAImage::pixelValueFromString ( const std::string & str )

static

save()

void walberla::geometry::RGBAImage::save

(

const std::string &

pngFilename

)

setElement()

void walberla::geometry::RGBAImage::setElement	(	cell_idx_t	x,
		cell_idx_t	y,
		RGBAImage::Channel	c,
		real_t	val )

setToWhite()

void walberla::geometry::RGBAImage::setToWhite ( )

inline

size()

uint_t walberla::geometry::RGBAImage::size ( uint_t coord ) const

inline

width()

uint_t walberla::geometry::RGBAImage::width ( ) const

inline

Member Data Documentation

image_

std::vector<unsigned char> walberla::geometry::RGBAImage::image_

protected

size_

std::array<uint_t, 2> walberla::geometry::RGBAImage::size_

protected

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

• /builds/administration/walberla-website/walberla/src/geometry/structured/RGBAImage.h
• /builds/administration/walberla-website/walberla/src/geometry/structured/RGBAImage.cpp