1. A computing device, comprising: a display device configured to display a canvas interface that displays image segments of an image in different layers of the image; a processing system to implement an image layers application that is configured to: receive a position input of a canvas viewer control that encompasses one or more of the image segments of the image, the canvas viewer control being selectable to move around the canvas interface; and determine one or more of the layers of the image that correspond to the one or more image segments encompassed by the canvas viewer control.