Function clientToArtboardPx

app.js:512–519

(clientX, clientY)

}

function clientToArtboardPx(clientX, clientY) {
  if (!preview) return { x: 0, y: 0 };
  const pr = preview.getBoundingClientRect();
  if (pr.width <= 0 || pr.height <= 0) return { x: 0, y: 0 };
  const lx = (clientX - pr.left) * dispWidth / pr.width;
  const ly = (clientY - pr.top) * dispHeight / pr.height;
  return { x: lx, y: ly };
}

function clearDistanceHints() {
  if (!preview) return;