getRealIndexFromRenderIndex static method

int getRealIndexFromRenderIndex({
  1. required bool reverse,
  2. int index = 0,
  3. int itemCount = 0,
  4. required bool loop,
})

Implementation

static int getRealIndexFromRenderIndex({
  required bool reverse,
  int index = 0,
  int itemCount = 0,
  required bool loop,
}) {
  var initPage = reverse ? (itemCount - index - 1) : index;
  if (loop) {
    initPage += kMiddleValue;
  }
  return initPage;
}