You must create a number of points on the path of each letter and randomize each point's X and Y position by a random value (with a range based on the font size) that overlaps with only the next point or the previous point.
Then you can have a trustable captcha.
You must create a number of points on the path of each letter and randomize each point's X and Y position by a random value (with a range based on the font size) that overlaps with only the next point or the previous point.
Then you can have a trustable captcha.