Function canvasToImg

web/js/sparse_track_editor.js:301–304

(node, p)

}

function canvasToImg(node, p) {
  const s = getScale(node);
  return { x: p.x / s, y: p.y / s };
}

function mouseToCanvas(node, e) {
  const rect = node._ed.canvas.getBoundingClientRect();