31#ifndef PNGPP_WRITER_HPP_INCLUDED
32#define PNGPP_WRITER_HPP_INCLUDED
65 template<
class ostream >
152 catch (std::exception
const& error)
158 assert(!
"caught something wrong");
159 wr->
set_error(
"write_data: caught something wrong");
167 static void flush_data(png_struct*
png)
172 ostream* stream =
reinterpret_cast< ostream*
>(png_get_io_ptr(
png));
178 wr->
set_error(
"ostream::flush() failed");
181 catch (std::exception
const& error)
187 assert(!
"caught something wrong");
188 wr->set_error(
"flush_data: caught something wrong");
void destroy()
Definition end_info.hpp:53
void write() const
Definition end_info.hpp:64
Exception class to represent runtime errors related to png++ operation.
Definition error.hpp:59
png_info ** get_png_info_ptr()
Definition info_base.hpp:64
png_info * get_png_info() const
Definition info_base.hpp:59
void write() const
Definition info.hpp:116
Base class for PNG reader/writer classes.
Definition io_base.hpp:63
std::string m_error
Definition io_base.hpp:462
info m_info
Definition io_base.hpp:460
png_struct * m_png
Definition io_base.hpp:459
void set_error(char const *message)
Definition io_base.hpp:424
end_info m_end_info
Definition io_base.hpp:461
bool is_error() const
Definition io_base.hpp:442
io_base(png_struct *png)
Definition io_base.hpp:68
void raise_error()
Definition io_base.hpp:447
void reset_error()
Definition io_base.hpp:430
The PNG reader class template. This is the low-level reading interface–use image class or consumer cl...
Definition reader.hpp:67
PNG writer class template. This is the low-level writing interface–use image class or generator class...
Definition writer.hpp:68
void write_info() const
Write info about PNG image.
Definition writer.hpp:104
void write_end_info() const
Reads ending info about PNG image.
Definition writer.hpp:128
writer(ostream &stream)
Constructs a writer prepared to write PNG image into a stream.
Definition writer.hpp:74
~writer()
Definition writer.hpp:83
void write_png() const
Definition writer.hpp:89
void write_row(byte *bytes)
Writes a row of image data at a time.
Definition writer.hpp:116