{
{ PNG_TEXT_COMPRESSION_NONE, "Title", const_cast<char *>(get_canvas()->get_name().c_str()) },
{ PNG_TEXT_COMPRESSION_NONE, "Description", const_cast<char *>(get_canvas()->get_description().c_str()) },
{
{ PNG_TEXT_COMPRESSION_NONE, "Title", const_cast<char *>(get_canvas()->get_name().c_str()) },
{ PNG_TEXT_COMPRESSION_NONE, "Description", const_cast<char *>(get_canvas()->get_description().c_str()) },