HTML5 Canvas API implementation of the AS3 BitmapData class.

bmd = document.getElementById("canvas").bitmapData;

for (var i = 0; i<100; i++) {
	for (var j = 0; j<300; j++) {
		var d = Math.pow(i-50, 2) + Math.pow(j-150, 2);
		var r = Math.sin(Math.sqrt(d) * 10 * Math.PI/180);
		var color = 100 + 100 * r << 16;
		bmd.setPixel( i, j, color );
	}
}

bmd.copyChannel(bmd, 
	bmd.rect, 
	new Point(100, 0), 
	BitmapDataChannel.RED, 
	BitmapDataChannel.GREEN);
	
bmd.copyChannel(bmd, 
	bmd.rect, 
	new Point(200, 0), 
	BitmapDataChannel.RED, 
	BitmapDataChannel.BLUE);

• BitmapDataChannel example
• Blendmodes example
• ColorMatrixFilter example
• ColorTransform example
• PaletteMap example
• Perlin Noise example
• Plasma example
• Rotozoomer example
• Threshold example
• GPU example (experimental, requires WebGL)