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javascript Programming Glossary: context.getimagedataHow to use javascript or jQuery to read a pixel of an image? http://stackoverflow.com/questions/1041399/how-to-use-javascript-or-jquery-to-read-a-pixel-of-an-image
Uncaught ReferenceError: $ is not defined? http://stackoverflow.com/questions/2075337/uncaught-referenceerror-is-not-defined
How can I perform flood fill with HTML Canvas? http://stackoverflow.com/questions/2106995/how-can-i-perform-flood-fill-with-html-canvas color cx cy var context canvas.getContext 2d var pixelData context.getImageData 0 0 canvas.width canvas.height var done for var i 0 i canvas.width..
get average color of image via javascript http://stackoverflow.com/questions/2541481/get-average-color-of-image-via-javascript imgEl.width context.drawImage imgEl 0 0 try data context.getImageData 0 0 width height catch e security error img on diff domain return..
Hit detection on non-transparent pixel http://stackoverflow.com/questions/2878511/hit-detection-on-non-transparent-pixel image 2 Get Canvas's context drawImage yourImage 0 0 3 d context.getImageData 0 0 w of img h of img 4 d.data y width x 4 3 for the alpha canvas..
blend two images on a javascript canvas http://stackoverflow.com/questions/3648312/blend-two-images-on-a-javascript-canvas 4 width height context.drawImage img1 0 0 var image1 context.getImageData 0 0 width height var imageData1 image1.data context.drawImage.. image1.data context.drawImage img2 0 0 var image2 context.getImageData 0 0 width height var imageData2 image2.data while pixels imageData1..
http://stackoverflow.com/questions/667045/getpixel-from-html-canvas from the given coordinates and dimensions. var imgd context.getImageData x y width height var pix imgd.data Loop over each pixel and..
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