Base class for PNG reader/writer classes. More...

#include <io_base.hpp>

Inheritance diagram for png::io_base:

Public Member Functions
	io_base (png_struct *png)

	~io_base ()

png_struct *	get_png_struct () const

info &	get_info ()

info const &	get_info () const

image_info const &	get_image_info () const

void	set_image_info (image_info const &info)

end_info &	get_end_info ()

end_info const &	get_end_info () const

uint_32	get_width () const

void	set_width (uint_32 width)

uint_32	get_height () const

void	set_height (uint_32 height)

color_type	get_color_type () const

void	set_color_type (color_type color_space)

int	get_bit_depth () const

void	set_bit_depth (int bit_depth)

interlace_type	get_interlace_type () const

void	set_interlace_type (interlace_type interlace)

compression_type	get_compression_type () const

void	set_compression_type (compression_type compression)

filter_type	get_filter_type () const

void	set_filter_type (filter_type filter)

bool	has_chunk (chunk id)

void	set_gray_1_2_4_to_8 () const

void	set_palette_to_rgb () const

void	set_tRNS_to_alpha () const

void	set_bgr () const

void	set_gray_to_rgb () const

void	set_rgb_to_gray (rgb_to_gray_error_action error_action=rgb_to_gray_silent, double red_weight=-1.0, double green_weight=-1.0) const

void	set_rgb_to_gray (rgb_to_gray_error_action error_action=rgb_to_gray_silent, fixed_point red_weight=-1, fixed_point green_weight=-1) const

void	set_strip_alpha () const

void	set_swap_alpha () const

void	set_invert_alpha () const

void	set_filler (uint_32 filler, filler_type type) const

void	set_add_alpha (uint_32 filler, filler_type type) const

void	set_swap () const

void	set_packing () const

void	set_packswap () const

void	set_shift (byte red_bits, byte green_bits, byte blue_bits, byte alpha_bits=0) const

void	set_shift (byte gray_bits, byte alpha_bits=0) const

int	set_interlace_handling () const

void	set_invert_mono () const

void	set_strip_16 () const

void	set_read_user_transform (png_user_transform_ptr transform_fn)

void	set_user_transform_info (void *info, int bit_depth, int channels)

Protected Member Functions
void *	get_io_ptr () const

void	set_error (char const *message)

void	reset_error ()

bool	is_error () const

void	raise_error ()

Static Protected Member Functions
static void	raise_error (png_struct png, char const message)

Protected Attributes
png_struct *	m_png

info	m_info

end_info	m_end_info

std::string	m_error

Detailed Description

Base class for PNG reader/writer classes.

See also: reader, writer

Constructor & Destructor Documentation

png::io_base::io_base ( png_struct * png )

inlineexplicit

png::io_base::~io_base ( )

inline

References png::info_base::get_png_info(), m_end_info, m_info, and m_png.

Member Function Documentation

png_struct* png::io_base::get_png_struct ( ) const

inline

References m_png.

info& png::io_base::get_info ( )

inline

References m_info.

Referenced by png::detail::convert_color_space_impl< rgb_pixel >::handle_palette().

info const& png::io_base::get_info ( ) const

inline

References m_info.

image_info const& png::io_base::get_image_info ( ) const

inline

References m_info.

Referenced by png::consumer< pixel, pixel_consumer, image_info_ref_holder, true >::read().

void png::io_base::set_image_info ( image_info const & info )

inline

References m_info.

Referenced by png::generator< pixel, pixel_generator, image_info_ref_holder, true >::write().

end_info& png::io_base::get_end_info ( )

inline

References m_end_info.

end_info const& png::io_base::get_end_info ( ) const

inline

References m_end_info.

uint_32 png::io_base::get_width ( ) const

inline

References png::image_info::get_width(), and m_info.

void png::io_base::set_width ( uint_32 width )

inline

References m_info, and png::image_info::set_width().

uint_32 png::io_base::get_height ( ) const

inline

References png::image_info::get_height(), and m_info.

void png::io_base::set_height ( uint_32 height )

inline

References m_info, and png::image_info::set_height().

color_type png::io_base::get_color_type ( ) const

inline

References png::image_info::get_color_type(), and m_info.

Referenced by png::detail::convert_color_space_impl< rgb_pixel >::handle_alpha(), png::detail::convert_color_space_impl< rgb_pixel >::handle_gray(), png::detail::convert_color_space_impl< rgb_pixel >::handle_palette(), png::detail::convert_color_space_impl< rgb_pixel >::handle_rgb(), png::require_color_space< pixel >::operator()(), png::consumer< pixel, pixel_consumer, image_info_ref_holder, true >::read(), and set_shift().

void png::io_base::set_color_type ( color_type color_space )

inline

References m_info, and png::image_info::set_color_type().

Referenced by png::detail::convert_color_space_impl< rgb_pixel >::operator()().

int png::io_base::get_bit_depth ( ) const

inline

References png::image_info::get_bit_depth(), and m_info.

Referenced by png::detail::convert_color_space_impl< rgb_pixel >::handle_16(), png::detail::convert_color_space_impl< rgb_pixel >::handle_gray(), png::detail::convert_color_space_impl< rgb_pixel >::handle_palette(), png::require_color_space< pixel >::operator()(), and png::consumer< pixel, pixel_consumer, image_info_ref_holder, true >::read().

void png::io_base::set_bit_depth ( int bit_depth )

inline

References m_info, and png::image_info::set_bit_depth().

Referenced by png::detail::convert_color_space_impl< rgb_pixel >::operator()().

interlace_type png::io_base::get_interlace_type ( ) const

inline

References png::image_info::get_interlace_type(), and m_info.

Referenced by png::consumer< pixel, pixel_consumer, image_info_ref_holder, true >::read().

void png::io_base::set_interlace_type ( interlace_type interlace )

inline

References m_info, and png::image_info::set_interlace_type().

compression_type png::io_base::get_compression_type ( ) const

inline

References png::image_info::get_compression_type(), and m_info.

void png::io_base::set_compression_type ( compression_type compression )

inline

References m_info, and png::image_info::set_compression_type().

filter_type png::io_base::get_filter_type ( ) const

inline

References png::image_info::get_filter_type(), and m_info.

void png::io_base::set_filter_type ( filter_type filter )

inline

References m_info, and png::image_info::set_filter_type().

bool png::io_base::has_chunk ( chunk id )

inline

References png::info_base::get_png_info(), m_info, and m_png.

Referenced by png::detail::convert_color_space_impl< rgb_pixel >::handle_alpha().

void png::io_base::set_gray_1_2_4_to_8 ( ) const

inline

References m_png.

Referenced by png::detail::convert_color_space_impl< rgb_pixel >::handle_gray().

void png::io_base::set_palette_to_rgb ( ) const

inline

References m_png.

Referenced by png::detail::convert_color_space_impl< rgb_pixel >::handle_palette().

void png::io_base::set_tRNS_to_alpha ( ) const

inline

References m_png.

Referenced by png::detail::convert_color_space_impl< rgb_pixel >::handle_alpha().

void png::io_base::set_bgr ( ) const

inline

References m_png.

void png::io_base::set_gray_to_rgb ( ) const

inline

References m_png.

Referenced by png::detail::convert_color_space_impl< rgb_pixel >::handle_rgb().

void png::io_base::set_rgb_to_gray	(	rgb_to_gray_error_action	error_action = `rgb_to_gray_silent`,
		double	red_weight = `-1.0`,
		double	green_weight = `-1.0`
	)		const

inline

References m_png.

Referenced by png::detail::convert_color_space_impl< rgb_pixel >::handle_rgb().

void png::io_base::set_rgb_to_gray	(	rgb_to_gray_error_action	error_action = `rgb_to_gray_silent`,
		fixed_point	red_weight = `-1`,
		fixed_point	green_weight = `-1`
	)		const