png::packed_pixel_row< pixel > Class Template Reference

The packed pixel row class template. More...

#include <pixel_buffer.hpp>

Collaboration diagram for png::packed_pixel_row< pixel >:

Public Types
typedef detail::const_packed_pixel_proxy < pixel >	const_pixel_proxy
	The immutable packed pixel proxy type. More...
typedef detail::packed_pixel_proxy < pixel >	pixel_proxy
	The mutable packed pixel proxy type. More...

Public Member Functions
	packed_pixel_row (size_t size=0)
	Constructs a pixel row object for size packed pixels. More...
const_pixel_proxy	at (size_t index) const
	Returns an immutable proxy the to the pixel at index. More...
pixel_proxy	at (size_t index)
	Returns a mutable proxy the to the pixel at index. More...
byte *	get_data ()
	Returns the starting address of the row. More...
const_pixel_proxy	operator[] (size_t index) const
	Returns an immutable proxy the to the pixel at index. More...
pixel_proxy	operator[] (size_t index)
	Returns n mutable proxy the to the pixel at index. More...
void	resize (size_t size)
	Resizes the pixel row to hold up to size packed pixels. More...
size_t	size () const

Static Private Member Functions
static size_t	get_pixels_per_byte ()

Private Attributes
size_t	m_size
std::vector< byte >	m_vec

Detailed Description

template<class pixel>
class png::packed_pixel_row< pixel >

The packed pixel row class template.

Stores the pixel row as a std::vector of byte-s, providing access to individual packed pixels via proxy objects.

Member Typedef Documentation

template<class pixel>

typedef detail::const_packed_pixel_proxy< pixel > png::packed_pixel_row< pixel >::const_pixel_proxy

The immutable packed pixel proxy type.

template<class pixel>

typedef detail::packed_pixel_proxy< pixel > png::packed_pixel_row< pixel >::pixel_proxy

The mutable packed pixel proxy type.

Constructor & Destructor Documentation

template<class pixel>

png::packed_pixel_row< pixel >::packed_pixel_row ( size_t  size = 0 )

inlineexplicit

Constructs a pixel row object for size packed pixels.

References png::packed_pixel_row< pixel >::resize(), and png::packed_pixel_row< pixel >::size().

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Member Function Documentation

template<class pixel>

const_pixel_proxy png::packed_pixel_row< pixel >::at ( size_t  index ) const

inline

Returns an immutable proxy the to the pixel at index.

References png::packed_pixel_row< pixel >::get_pixels_per_byte(), and png::packed_pixel_row< pixel >::m_vec.

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template<class pixel>

pixel_proxy png::packed_pixel_row< pixel >::at ( size_t  index )

inline

Returns a mutable proxy the to the pixel at index.

References png::packed_pixel_row< pixel >::get_pixels_per_byte(), and png::packed_pixel_row< pixel >::m_vec.

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template<class pixel>

byte* png::packed_pixel_row< pixel >::get_data ( )

inline

Returns the starting address of the row.

References png::packed_pixel_row< pixel >::m_vec.

Referenced by png::row_traits< packed_pixel_row< pixel > >::get_data().

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template<class pixel>

static size_t png::packed_pixel_row< pixel >::get_pixels_per_byte ( )

inlinestaticprivate

Referenced by png::packed_pixel_row< pixel >::at(), png::packed_pixel_row< pixel >::operator[](), and png::packed_pixel_row< pixel >::resize().

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template<class pixel>

const_pixel_proxy png::packed_pixel_row< pixel >::operator[] ( size_t  index ) const

inline

Returns an immutable proxy the to the pixel at index.

The non-checking version.

References png::packed_pixel_row< pixel >::get_pixels_per_byte(), and png::packed_pixel_row< pixel >::m_vec.

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template<class pixel>

pixel_proxy png::packed_pixel_row< pixel >::operator[] ( size_t  index )

inline

Returns n mutable proxy the to the pixel at index.

The non-checking version.

References png::packed_pixel_row< pixel >::get_pixels_per_byte(), and png::packed_pixel_row< pixel >::m_vec.

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template<class pixel>

void png::packed_pixel_row< pixel >::resize ( size_t  size )

inline

Resizes the pixel row to hold up to size packed pixels.

References png::packed_pixel_row< pixel >::get_pixels_per_byte(), png::packed_pixel_row< pixel >::m_size, png::packed_pixel_row< pixel >::m_vec, and png::packed_pixel_row< pixel >::size().

Referenced by png::packed_pixel_row< pixel >::packed_pixel_row().

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template<class pixel>

size_t png::packed_pixel_row< pixel >::size ( ) const

inline

References png::packed_pixel_row< pixel >::m_size.

Referenced by png::packed_pixel_row< pixel >::packed_pixel_row(), png::basic_pixel_buffer< packed_index_pixel< bits >, packed_pixel_row< packed_index_pixel< bits > > >::put_row(), and png::packed_pixel_row< pixel >::resize().

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Member Data Documentation

template<class pixel>

size_t png::packed_pixel_row< pixel >::m_size

private

Referenced by png::packed_pixel_row< pixel >::resize(), and png::packed_pixel_row< pixel >::size().

template<class pixel>

std::vector< byte > png::packed_pixel_row< pixel >::m_vec

private

Referenced by png::packed_pixel_row< pixel >::at(), png::packed_pixel_row< pixel >::get_data(), png::packed_pixel_row< pixel >::operator[](), and png::packed_pixel_row< pixel >::resize().

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

• /usr/include/png++/pixel_buffer.hpp