CODEWITHSUNDEEP
iosdrawingcharacter
Steve Lai
Steve Lai

Reputation: 637

How to drawing on screen and convert it to character?

I want to write a app that can drawing on the screen(or view) then convert it to be a character. IE: drawing a circle then the label appear "O" drawing "N" shape and the label appear "N"/ "n"

Can anyone give me some advice??? thank you very much

Upvotes: 0

Views: 121

Answers (1)

CodenameLambda1
CodenameLambda1

Reputation: 1299

  1. You will have to keep noting the locations of touch when the user is drawing. That is note it from touch-down event to the touch-up event.

  2. Then, you'll have to iterate through the points and understand the pattern.

  3. The approach to understand the drawing patterns for letters/characters is known as OCR. OCR = Optical Character Recognition.

  4. You'll have to either write your own OCR code or search for some readily available OCR from internet.

I hope you get the direction.. :)

Upvotes: 1

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