src/weightedBoxBlurGaussian.js
function boxBlur(scl, tcl, w, h, r) {
    for (var i = 0, l = scl.length; i < l; i++) { tcl[i] = scl[i]; }
    boxBlurH(tcl, scl, w, h, r);
    boxBlurV(scl, tcl, w, h, r);
}
function boxBlur(scl, tcl, w, h, r) {
    for (var i = 0, l = scl.length; i < l; i++) { tcl[i] = scl[i]; }
    boxBlurH(tcl, scl, w, h, r);
    boxBlurV(scl, tcl, w, h, r);
}
function boxBlur ( scl , tcl , w , h , r ) { for ( var i = 0 , l = scl . length ; i < l ; i ++ ) { tcl [ i ] = scl [ i ] ; } boxBlurH ( tcl , scl , w , h , r ) ; boxBlurV ( scl , tcl , w , h , r ) ; }
Perform a 2D box blur by doing a 1D box blur in two directions.

Uses the same parameters as gaussblur().
Perform a 2D box blur by doing a 1D box blur in two directions .