Im working on a little app that requires a user to take a picture and then draw on it (like paint). I have been at this for a little while now and keep running into a problems.
How would you recommend handling this?
At the moment I am aiming for iOS only so I am using a custom renderer to creating a UIView that I can draw on. So thats fine and works (has undo, clear, change colour + size). Now Putting a background image onto this view will not work due to when
Draw.Path etc I need to
SetNeedsDisplay(), this will keep reloading the image. I only want to draw on the image and may even add this view into a scrollview to allow zooming etc.
Is there anyway I can get around this? If you need any more info please comment to let me know. I hope I have explained that so it is as least understandable!
Should have also said that I have got code to save the view as a image, so its mainly just how to get the image behind the drawing view (and able to save it all as a image).