load a larger region than that what is in current view, so that on move it looks like the image is already there.
currently we just load an image when it becomes in view, it should load even images that are slightly outside of view for a nicer behavior
load a larger region than that what is in current view, so that on move it looks like the image is already there.
currently we just load an image when it becomes in view, it should load even images that are slightly outside of view for a nicer behavior