title: Android: get raw bitmap data from touch events
body: <p>Is there a possibility to get an array/bitmap with the raw data of the touched spots on an Android touch display? (See illustration)
  <img src="https://i.stack.imgur.com/4WUXT.jpg" alt="Illustration of desired touch information"></p>
  
  <p>So far I only know the commands event.getX(), event.getY(), event.getSize, ...</p>