lsst::afw::fits::detail::PixelArray< T > Class Template Reference

Typed array of pixel values. More...

#include <fitsCompression.h>

Inheritance diagram for lsst::afw::fits::detail::PixelArray< T >:

Public Member Functions
	PixelArray ()=delete
	PixelArray (PixelArray const &)=delete
	PixelArray (ndarray::Array< T, 1, 1 > const &array)
	Construct from an ndarray::Array of the same type. More...
template<typename U >
	PixelArray (ndarray::Array< U, 1, 1 > const &array)
	Construct from an ndarray::Array of different type. More...
	~PixelArray () override
void const *	getData () const override
	Return a void* array of the pixels. More...
std::size_t	getNumElements () const
	Return the number of pixels. More...

Detailed Description

template<typename T>
class lsst::afw::fits::detail::PixelArray< T >

Typed array of pixel values.

Definition at line 94 of file fitsCompression.h.

Constructor & Destructor Documentation

PixelArray() [1/4]

template<typename T >

lsst::afw::fits::detail::PixelArray< T >::PixelArray ( )

delete

PixelArray() [2/4]

template<typename T >

lsst::afw::fits::detail::PixelArray< T >::PixelArray ( PixelArray< T > const &  )

delete

PixelArray() [3/4]

template<typename T >

lsst::afw::fits::detail::PixelArray< T >::PixelArray ( ndarray::Array< T, 1, 1 > const &  array )

inline

Construct from an ndarray::Array of the same type.

Copies pointers only, no deep copy.

Definition at line 102 of file fitsCompression.h.

            : PixelArrayBase(array.getNumElements()),
              _pixels(array.getData()),
              _manager(array.getManager()) {}

PixelArray() [4/4]

template<typename T >

template<typename U >

lsst::afw::fits::detail::PixelArray< T >::PixelArray ( ndarray::Array< U, 1, 1 > const &  array )

inline

Construct from an ndarray::Array of different type.

Allocates memory and sets values: necessary to support the type change.

Definition at line 111 of file fitsCompression.h.

                                                   : PixelArrayBase(array.getNumElements()) {
        auto mem = ndarray::SimpleManager<U>::allocate(getNumElements());
        _manager = mem.first;
        _pixels = mem.second;
        std::copy(array.begin(), array.end(),
                  const_cast<typename std::remove_const<T>::type*>(reinterpret_cast<T const*>(_pixels)));
    }

~PixelArray()

template<typename T >

lsst::afw::fits::detail::PixelArray< T >::~PixelArray ( )

inlineoverride

Definition at line 119 of file fitsCompression.h.

{}

Member Function Documentation

getData()

template<typename T >

void const* lsst::afw::fits::detail::PixelArray< T >::getData ( ) const

inlineoverridevirtual

Return a void* array of the pixels.

Implements lsst::afw::fits::detail::PixelArrayBase.

Definition at line 121 of file fitsCompression.h.

{ return _pixels; }

getNumElements()

std::size_t lsst::afw::fits::detail::PixelArrayBase::getNumElements ( ) const

inlineinherited

Return the number of pixels.

Definition at line 83 of file fitsCompression.h.

{ return _num; }

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

• /j/snowflake/release/lsstsw/stack/0.4.3/Linux64/afw/21.0.0-25-g1d57be3cd+e73869a214/include/lsst/afw/fitsCompression.h