lost-sia/src/utils/mouse.js

Single Image Annotation Tool

export function getMousePosition(e, svg) {
  const absPos = getMousePositionAbs(e, svg);
  return {
    x: absPos.x / svg.scale - svg.translateX,
    y: absPos.y / svg.scale - svg.translateY,
  };
}

export function getMousePositionAbs(e, svg) {
  return {
    x: e.pageX - svg.left,
    y: e.pageY - svg.top,
  };
}