Base class for PNG reader/writer classes. More...
#include <io_base.hpp>
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 |
Base class for PNG reader/writer classes.
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.
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().
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] |
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.
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] |
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().
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] |
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().