How to check if an image has been modified or annotated?

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I have an image box to display 1 image at a time and the option to annotate these images. Now I want to save only those images that have been annotated or modified.How to achieve this?

What I have tried:

Wanted to play about with the option of using the mouse down , drag and release events to see which images have been touched and save only those images . tried to utilize the option of finding difference in image file sizes ..but that was not much helpfull

Posted 4-Apr-16 21:11pm

Member 11368627

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deepankarbhatnagar 5-Apr-16 3:34am

Please show your code what you have tried..

susad 13-Apr-16 4:44am

Please show us some code. What kind of application are you trying to build?

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