image()
Constructor. Creates an image without datas.
This class read data from a png file and store it in an image.
This class write an image in a png file.
png(unsigned int w, unsigned int h)
Constructor. Creates an empty image.
void save(std::ostream &os, const writer::options &opt=writer::options()) const
Save the image.
A class for png pictures.
Parameters of the writing algorithm.