This is a very nice demo of canvas and kineticjs. Anyway if an image is drawn to a size of zero pixel all images on the canvas disappear. I'm looking for alternatives to kineticjs in pure JS, or is kineticjs the best solution for this job?
[link] http://www.html5canvastutorials.com/labs/html5-canvas-drag-and-drop-resize-and-invert-images/