Method Image.Image()->write_lsb_grey()

Method write_lsb_rgb
Method write_lsb_grey
Method read_lsb_rgb
Method read_lsb_grey

object write_lsb_rgb(string what)
object write_lsb_grey(string what)
string read_lsb_rgb()
string read_lsb_grey()

Description

These functions read/write in the least significant bit of the image pixel values. The _rgb() functions read/write on each of the red, green and blue values, and the grey keeps the same lsb on all three.

The string is nullpadded or cut to fit.

Parameter what

the hidden message

Returns

the current object or the read string