deviceRectToPdf method
Implementation
Rect deviceRectToPdf(UDocPageInfo info, Rect rect) {
final Offset a = devicePointToPdf(info, rect.topLeft);
final Offset b = devicePointToPdf(info, rect.bottomRight);
return Rect.fromLTRB(min(a.dx, b.dx), min(a.dy, b.dy), max(a.dx, b.dx), max(a.dy, b.dy));
}