Function getGlobalMatrix

esm/utils/matrix.js:398–428

(element, inverse, adjustGOffset, includeScrollInFixed)

//     ty = m.b * x + m.d * y + m.f

export function getGlobalMatrix(element, inverse, adjustGOffset, includeScrollInFixed) {
  // adjustGOffset is typically used only when grabbing an element's PARENT's global matrix, and it ignores the x/y offset of any SVG <g> elements because they behave in a special way.
  if (!element || !element.parentNode || (_doc || _setDoc(element)).documentElement === element) {
    return new Matrix2D();
  }

  var zeroScales = _forceNonZeroScale(element),
      svg = _svgOwner(element),
      temps = svg ? _svgTemps : _divTemps,
      container = _placeSiblings(element, adjustGOffset),
      b1 = temps[0].getBoundingClientRect(),
      b2 = temps[1].getBoundingClientRect(),
      b3 = temps[2].getBoundingClientRect(),
      parent = container.parentNode,
      isFixed = !includeScrollInFixed && _isFixed(element),
      m = new Matrix2D((b2.left - b1.left) / 100, (b2.top - b1.top) / 100, (b3.left - b1.left) / 100, (b3.top - b1.top) / 100, b1.left + (isFixed ? 0 : _getDocScrollLeft()), b1.top + (isFixed ? 0 : _getDocScrollTop()));

  parent.removeChild(container);

  if (zeroScales) {
    b1 = zeroScales.length;

    while (b1--) {
      b2 = zeroScales[b1];
      b2.scaleX = b2.scaleY = 0;
      b2.renderTransform(1, b2);
    }
  }

  return inverse ? m.inverse() : m;
}
export { _getDocScrollTop, _getDocScrollLeft, _setDoc, _isFixed, _getCTM }; // export function getMatrix(element) {
// 	_doc || _setDoc(element);
// 	let m = (_win.getComputedStyle(element)[_transformProp] + "").substr(7).match(/[-.]*\d+[.e\-+]*\d*[e\-\+]*\d*/g),