png::packed_pixel_row< pixel > Class Template Reference

The packed pixel row class template. More...

#include <pixel_buffer.hpp>

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...
size_t	size () const
void	resize (size_t size)
	Resizes the pixel row to hold up to 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...
const_pixel_proxy	operator[] (size_t index) const
	Returns an immutable proxy the to the pixel at index. The non-checking version. More...
pixel_proxy	operator[] (size_t index)
	Returns n mutable proxy the to the pixel at index. The non-checking version. More...
byte *	get_data ()
	Returns the starting address of the row. More...

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

const_pixel_proxy

template<class pixel>

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

The immutable packed pixel proxy type.

pixel_proxy

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

packed_pixel_row()

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::basic_pixel_buffer< pixel, row, traits >::resize().

Member Function Documentation

size()

template<class pixel>

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

inline

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

resize()

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.

at() [1/2]

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.

at() [2/2]

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.

operator[]() [1/2]

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.

operator[]() [2/2]

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.

get_data()

template<class pixel>

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

inline

Returns the starting address of the row.

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

---

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

• pixel_buffer.hpp