A grayscale pixel with alpha channel. More...

#include <png.hpp>

Inheritance diagram for facade::png::AlphaGrayscalePixel< _Base >:

Public Types
using	Base = _Base
	The type base of the samples in this pixel.

Public Types inherited from facade::png::Sample< _Base, _Bits >
using	Base = _Base
	The base type used by this sample.

Public Member Functions
	AlphaGrayscalePixel ()

	AlphaGrayscalePixel (Sample< _Base > value, Sample< _Base > alpha)

	AlphaGrayscalePixel (const AlphaGrayscalePixel &other)

Sample< _Base > &	alpha ()
	The alpha channel of this pixel.

const Sample< _Base > &	alpha () const
	The const alpha channel of this pixel.

Public Member Functions inherited from facade::png::GrayscalePixel< _Base, _Bits >
	GrayscalePixel ()

	GrayscalePixel (_Base value)

	GrayscalePixel (const GrayscalePixel &other)

Public Member Functions inherited from facade::png::Sample< _Base, _Bits >
	Sample ()

	Sample (Base value)

	Sample (const Sample &other)

Base	operator* () const
	Syntactic sugar to get the value of this sample.

Sample &	operator= (Base value)
	Syntactic sugar to assign the value of this sample.

Base	value () const
	Get the value retained by this sample.

void	set_value (Base value)
	Assign the given value to this sample.

Static Public Attributes
static const std::size_t	Bits = Sample<_Base>::Bits*2

Static Public Attributes inherited from facade::png::Sample< _Base, _Bits >
static const std::size_t	Bits = _Bits
	The size, in bits, of this sample.

static const std::size_t	Max = (1 << Bits) - 1
	The maximum value that can be used with this sample.

Detailed Description

template<typename _Base = std::uint8_t>
class facade::png::AlphaGrayscalePixel< _Base >

A grayscale pixel with alpha channel.

Template Parameters

_Base The base type for the sample value. Can be std::uint8_t or std::uint16_t.

See also: facade::png::AlphaGrayscalePixel8Bit; facade::png::AlphaGrayscalePixel16Bit