Returns %TRUE if the save option specified by @option_key is supported when saving a pixbuf using the module implementing @format. See gdk_pixbuf_save() for more information about option keys.
the name of an option
Return: %TRUE if the specified option is supported
2.36
See Implementation
Returns %TRUE if the save option specified by @option_key is supported when saving a pixbuf using the module implementing @format. See gdk_pixbuf_save() for more information about option keys.