Function blurv

external/.d3.js:157–161

(blur, T, S, w, h)

}

function blurv(blur, T, S, w, h) {
  for (let x = 0, n = w * h; x < w; ++x) {
    blur(T, S, x, x + n, w);
  }
}

function blurfImage(radius) {
  const blur = blurf(radius);