Html5 Academy

I have been trying to make a script that compares two images in HTML5 and Javascript. But for some … Read more Getimagedata Always Returning 0

I'm trying to get a feel for some image manipulation in HTML5. I am finding that when I try and… Read more Getimagedata Causes "uncaught Error: Not_supported_err: Dom Exception 9"

I'm doing a little HTML5 game and, while loading my sprites at the beginning of the map, I do s… Read more Horrible Canvas Getimagedata() / Putimagedata() Performance On Mobile

So, I have a function like this: var getRGBArray = function (img) { // create the canvas we nee… Read more Getimagedata() Returning All 0's

I'm trying to get a feel for some image manipulation in HTML5. I am finding that when I try and… Read more GetImageData Causes "Uncaught Error: NOT_SUPPORTED_ERR: DOM Exception 9"