Public Member Functions | Protected Member Functions | Static Protected Member Functions | Protected Attributes

png::io_base Class Reference

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

#include <io_base.hpp>

Inheritance diagram for png::io_base:
png::reader< istream > png::writer< ostream >

List of all members.

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
size_t get_width () const
void set_width (size_t width)
size_t get_height () const
void set_height (size_t height)
color_type get_color_type () const
void set_color_type (color_type color_space)
size_t get_bit_depth () const
void set_bit_depth (size_t 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  )  [inline, explicit]
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.

size_t png::io_base::get_width (  )  const [inline]

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

void png::io_base::set_width ( size_t  width  )  [inline]

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

size_t png::io_base::get_height (  )  const [inline]

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

void png::io_base::set_height ( size_t  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()().

size_t 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::require_color_space< pixel >::operator()(), and png::consumer< pixel, pixel_consumer, image_info_ref_holder, true >::read().

void png::io_base::set_bit_depth ( size_t  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 [inline]

References m_png.

void png::io_base::set_strip_alpha (  )  const [inline]

References m_png.

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

void png::io_base::set_swap_alpha (  )  const [inline]

References m_png.

void png::io_base::set_invert_alpha (  )  const [inline]

References m_png.

void png::io_base::set_filler ( uint_32  filler,
filler_type  type 
) const [inline]

References m_png.

void png::io_base::set_add_alpha ( uint_32  filler,
filler_type  type 
) const [inline]

References m_png.

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

void png::io_base::set_swap (  )  const [inline]

References m_png.

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

void png::io_base::set_packing (  )  const [inline]

References m_png.

void png::io_base::set_packswap (  )  const [inline]

References m_png.

void png::io_base::set_shift ( byte  red_bits,
byte  green_bits,
byte  blue_bits,
byte  alpha_bits = 0 
) const [inline]

References png::color_type_rgb, png::color_type_rgb_alpha, get_color_type(), and m_png.

void png::io_base::set_shift ( byte  gray_bits,
byte  alpha_bits = 0 
) const [inline]

References png::color_type_gray, png::color_type_gray_alpha, get_color_type(), and m_png.

int png::io_base::set_interlace_handling (  )  const [inline]

References m_png.

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

void png::io_base::set_invert_mono (  )  const [inline]

References m_png.

void png::io_base::set_strip_16 (  )  const [inline]

References m_png.

Referenced by png::detail::convert_color_space_impl< rgb_pixel >::handle_16().

void png::io_base::set_read_user_transform ( png_user_transform_ptr  transform_fn  )  [inline]

References m_png.

Referenced by png::detail::convert_color_space_impl< rgb_pixel >::handle_16().

void png::io_base::set_user_transform_info ( void *  info,
int  bit_depth,
int  channels 
) [inline]

References m_png.

Referenced by png::detail::convert_color_space_impl< rgb_pixel >::handle_16().

void* png::io_base::get_io_ptr (  )  const [inline, protected]

References m_png.

void png::io_base::set_error ( char const *  message  )  [inline, protected]

References m_error.

Referenced by raise_error().

void png::io_base::reset_error (  )  [inline, protected]

References m_error.

bool png::io_base::is_error (  )  const [inline, protected]

References m_error.

void png::io_base::raise_error (  )  [inline, protected]

References m_png.

Referenced by raise_error().

static void png::io_base::raise_error ( png_struct *  png,
char const *  message 
) [inline, static, protected]

References raise_error(), and set_error().

Member Data Documentation

png_struct* png::io_base::m_png [protected]

Referenced by get_io_ptr(), get_png_struct(), has_chunk(), raise_error(), png::reader< istream >::read_end_info(), png::reader< istream >::read_info(), png::reader< istream >::read_png(), png::reader< istream >::read_row(), png::reader< istream >::reader(), set_add_alpha(), set_bgr(), set_filler(), set_gray_1_2_4_to_8(), set_gray_to_rgb(), set_interlace_handling(), set_invert_alpha(), set_invert_mono(), set_packing(), set_packswap(), set_palette_to_rgb(), set_read_user_transform(), set_rgb_to_gray(), set_shift(), set_strip_16(), set_strip_alpha(), set_swap(), set_swap_alpha(), set_tRNS_to_alpha(), set_user_transform_info(), png::writer< ostream >::write_end_info(), png::writer< ostream >::write_info(), png::writer< ostream >::write_png(), png::writer< ostream >::write_row(), png::writer< ostream >::writer(), ~io_base(), png::reader< istream >::~reader(), and png::writer< ostream >::~writer().

info png::io_base::m_info [protected]

Referenced by get_bit_depth(), get_color_type(), get_compression_type(), get_filter_type(), get_height(), get_image_info(), get_info(), get_interlace_type(), get_width(), has_chunk(), png::reader< istream >::read_info(), png::reader< istream >::read_png(), set_bit_depth(), set_color_type(), set_compression_type(), set_filter_type(), set_height(), set_image_info(), set_interlace_type(), set_width(), png::reader< istream >::update_info(), png::writer< ostream >::write_info(), png::writer< ostream >::write_png(), ~io_base(), png::reader< istream >::~reader(), and png::writer< ostream >::~writer().

end_info png::io_base::m_end_info [protected]

Referenced by get_end_info(), png::reader< istream >::read_end_info(), png::writer< ostream >::write_end_info(), ~io_base(), png::reader< istream >::~reader(), and png::writer< ostream >::~writer().

std::string png::io_base::m_error [protected]

Referenced by is_error(), png::reader< istream >::read_end_info(), png::reader< istream >::read_info(), png::reader< istream >::read_png(), png::reader< istream >::read_row(), reset_error(), set_error(), png::writer< ostream >::write_end_info(), png::writer< ostream >::write_info(), png::writer< ostream >::write_png(), and png::writer< ostream >::write_row().

The documentation for this class was generated from the following file:
Generated on Sat Jan 8 2011 12:22:52 for png++ by  doxygen 1.7.1