The pixel buffer class template specialization for the packed_index_pixel type. More...

#include <pixel_buffer.hpp>

Inheritance diagram for png::pixel_buffer< packed_index_pixel< bits > >:

Collaboration diagram for png::pixel_buffer< packed_index_pixel< bits > >:

Public Types
typedef packed_pixel_row < pixel_type >	pixel_row_type

typedef packed_index_pixel< bits >	pixel_type

typedef row_traits < packed_pixel_row < packed_index_pixel< bits > > >	row_traits

typedef packed_pixel_row < packed_index_pixel< bits > >	row_type
	A row of pixel data. More...

Public Member Functions
	pixel_buffer ()

	pixel_buffer (size_t width, size_t height)

size_t	get_height () const

packed_index_pixel< bits >	get_pixel (size_t x, size_t y) const
	Returns a pixel at (x,y) position. More...

row_type &	get_row (size_t index)
	Returns a reference to the row of image data at specified index. More...

row_type const &	get_row (size_t index) const
	Returns a const reference to the row of image data at specified index. More...

size_t	get_width () const

row_type &	operator[] (size_t index)
	The non-checking version of get_row() method. More...

row_type const &	operator[] (size_t index) const
	The non-checking version of get_row() method. More...

void	put_row (size_t index, row_type const &r)
	Replaces the row at specified index. More...

void	resize (size_t width, size_t height)
	Resizes the pixel buffer. More...

void	set_pixel (size_t x, size_t y, packed_index_pixel< bits >p)
	Replaces a pixel at (x,y) position. More...

Protected Types
typedef std::vector< row_type >	row_vec

Protected Attributes
size_t	m_height

row_vec	m_rows

size_t	m_width

Detailed Description

template<size_t bits>
class png::pixel_buffer< packed_index_pixel< bits > >

The pixel buffer class template specialization for the packed_index_pixel type.

Member Typedef Documentation

template<size_t bits>

typedef packed_pixel_row< pixel_type > png::pixel_buffer< packed_index_pixel< bits > >::pixel_row_type

template<size_t bits>

typedef packed_index_pixel< bits > png::pixel_buffer< packed_index_pixel< bits > >::pixel_type

typedef row_traits< packed_pixel_row< packed_index_pixel< bits > > > png::basic_pixel_buffer< packed_index_pixel< bits > , packed_pixel_row< packed_index_pixel< bits > > , row_traits< packed_pixel_row< packed_index_pixel< bits > > > >::row_traits

inherited

typedef packed_pixel_row< packed_index_pixel< bits > > png::basic_pixel_buffer< packed_index_pixel< bits > , packed_pixel_row< packed_index_pixel< bits > > , row_traits< packed_pixel_row< packed_index_pixel< bits > > > >::row_type

inherited

A row of pixel data.

typedef std::vector< row_type > png::basic_pixel_buffer< packed_index_pixel< bits > , packed_pixel_row< packed_index_pixel< bits > > , row_traits< packed_pixel_row< packed_index_pixel< bits > > > >::row_vec

protectedinherited

Constructor & Destructor Documentation

template<size_t bits>

png::pixel_buffer< packed_index_pixel< bits > >::pixel_buffer ( )

inline

template<size_t bits>

png::pixel_buffer< packed_index_pixel< bits > >::pixel_buffer	(	size_t	width,
		size_t	height
	)

inline

Member Function Documentation

size_t png::basic_pixel_buffer< packed_index_pixel< bits > , packed_pixel_row< packed_index_pixel< bits > > , row_traits< packed_pixel_row< packed_index_pixel< bits > > > >::get_height ( ) const

inlineinherited

References png::basic_pixel_buffer< pixel, row, traits >::m_height.

packed_index_pixel< bits > png::basic_pixel_buffer< packed_index_pixel< bits > , packed_pixel_row< packed_index_pixel< bits > > , row_traits< packed_pixel_row< packed_index_pixel< bits > > > >::get_pixel	(	size_t	x,
		size_t	y
	)		const

inlineinherited

Returns a pixel at (x,y) position.

References png::basic_pixel_buffer< pixel, row, traits >::get_row().

Here is the call graph for this function:

row_type& png::basic_pixel_buffer< packed_index_pixel< bits > , packed_pixel_row< packed_index_pixel< bits > > , row_traits< packed_pixel_row< packed_index_pixel< bits > > > >::get_row ( size_t index )

inlineinherited

Returns a reference to the row of image data at specified index.

Checks the index before returning a row: an instance of std::out_of_range is thrown if index is greater than height.

References png::basic_pixel_buffer< pixel, row, traits >::m_rows.

row_type const& png::basic_pixel_buffer< packed_index_pixel< bits > , packed_pixel_row< packed_index_pixel< bits > > , row_traits< packed_pixel_row< packed_index_pixel< bits > > > >::get_row ( size_t index ) const

inlineinherited

Returns a const reference to the row of image data at specified index.

The checking version.

References png::basic_pixel_buffer< pixel, row, traits >::m_rows.

size_t png::basic_pixel_buffer< packed_index_pixel< bits > , packed_pixel_row< packed_index_pixel< bits > > , row_traits< packed_pixel_row< packed_index_pixel< bits > > > >::get_width ( ) const

inlineinherited

References png::basic_pixel_buffer< pixel, row, traits >::m_width.

row_type& png::basic_pixel_buffer< packed_index_pixel< bits > , packed_pixel_row< packed_index_pixel< bits > > , row_traits< packed_pixel_row< packed_index_pixel< bits > > > >::operator[] ( size_t index )

inlineinherited

The non-checking version of get_row() method.

References png::basic_pixel_buffer< pixel, row, traits >::m_rows.

row_type const& png::basic_pixel_buffer< packed_index_pixel< bits > , packed_pixel_row< packed_index_pixel< bits > > , row_traits< packed_pixel_row< packed_index_pixel< bits > > > >::operator[] ( size_t index ) const

inlineinherited

The non-checking version of get_row() method.

References png::basic_pixel_buffer< pixel, row, traits >::m_rows.

void png::basic_pixel_buffer< packed_index_pixel< bits > , packed_pixel_row< packed_index_pixel< bits > > , row_traits< packed_pixel_row< packed_index_pixel< bits > > > >::put_row	(	size_t	index,
		row_type const &	r
	)

inlineinherited

Replaces the row at specified index.

References png::basic_pixel_buffer< pixel, row, traits >::m_rows, png::basic_pixel_buffer< pixel, row, traits >::m_width, and png::packed_pixel_row< pixel >::size().

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void png::basic_pixel_buffer< packed_index_pixel< bits > , packed_pixel_row< packed_index_pixel< bits > > , row_traits< packed_pixel_row< packed_index_pixel< bits > > > >::resize	(	size_t	width,
		size_t	height
	)

inlineinherited

Resizes the pixel buffer.

If new width or height is greater than the original, expanded pixels are filled with value of pixel().

References png::basic_pixel_buffer< pixel, row, traits >::m_height, png::basic_pixel_buffer< pixel, row, traits >::m_rows, and png::basic_pixel_buffer< pixel, row, traits >::m_width.

void png::basic_pixel_buffer< packed_index_pixel< bits > , packed_pixel_row< packed_index_pixel< bits > > , row_traits< packed_pixel_row< packed_index_pixel< bits > > > >::set_pixel	(	size_t	x,
		size_t	y,
		packed_index_pixel< bits >	p
	)