Current location - Quotes Website - Signature design - The tutor has a question, how to realize handwritten electronic signature with C++. It is required to be completed on the touch screen. . . I hope someone can help me and think about it.
The tutor has a question, how to realize handwritten electronic signature with C++. It is required to be completed on the touch screen. . . I hope someone can help me and think about it.
Write a soft brush (brush style (I originally made it with OPENGL))
Save the drawing result as a picture.
Then do MD5 operation on the whole picture.
The result of MD5 is a digital signature.
Touch screen is just a matter of input, which is actually similar to a mouse.