There is no way to set the image size that you assign to an element’s pseudo like ::before. But do not fret. There is a workaround.

User David Vasquez of StackOverflow provided a solution for this. See sample CSS.

User Jarrod from the StackOverflow forum posted a very useful function to change the color of the image drawn in an HTML Canvas.

I modified his function to take into account where the image’s current position is in the Canvas.

There is no way to detect when a user selects files from an Input Type File form element in Angular JS. So we will have to do it the old fashion way.

Rather than binding, we can directly make use of the input element’s onchange event.

And in our Javascript file where your controller is located, add this function:

That’s it!

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