How can one use .getImageData() to get the data from the background-image of a given element? Project is already using jQuery, so jQuery solutions welcome.
.getImageData() with background-image property?
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The getImageData method will give you the image data from a canvas element only (so this has nothing to do with the css background-image property)
That said, you will be able to use
element.style.backgroundImageto get the background image from the element, and then work from there... if you're running the js on the same domain as the image, you'll be able to paint it to a new canvas, and rungetImageDatafrom there.