Create a Paint Bucket Tool with HTML5 Canvas { William Malone }

William Malone: Tutorial on how to create a Paint Bucket Tool with HTML5 Canvas and JavaScript. ... pixelPos = (y*canvasWidth + x) * 4; while(y-- >= 0 && matchStartColor(pixelPos)) { pixelPos -= canvasWidth * 4; } ... } function matchStartColor(pixelPos)

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