lib/conversion.js
function (x, y, funcName) {
		var idx = this.getIndex(x, y);
		return this.getBlurPixelAtIndex(idx, funcName);
	}
function (x, y, funcName) {
		var idx = this.getIndex(x, y);
		return this.getBlurPixelAtIndex(idx, funcName);
	}
function ( x , y , funcName ) { var idx = this . getIndex ( x , y ) ; return this . getBlurPixelAtIndex ( idx , funcName ) ; }
Gets the blur-value of a pixel at a specific coordinate

@method getBlurPixel
@param {int} x X-coordinate of pixel
@param {int} y Y-coordinate of pixel
@param {string} [funcName] Gray-scale function
@return {int} blur-value
Gets the blur - value of a pixel at a specific coordinate