#pragma warning restore CS0618
private void MainImage_PointerMoved(object sender, PointerEventArgs e)
{
// allow to move cursor out leaving selection/hignlighting unchanged
if (IgnorePointerMove(e))
{
return;
}
PointerPoint p = e.GetCurrentPoint(_mainImageControl);
_pointerPos = p.Position;
//
if (p.Properties.IsMiddleButtonPressed)
{
TD.Point delta = ToPoint(_pointerPosDrag - _pointerPos);
_pointerPosDrag = _pointerPos;
_viewport.MoveOrigin(delta);
UpdateDrawerBounds();
MarkPresetChanged();
InvalidateView(false); // viewport moved only
}
else
{
TD.Point u = _viewport.ToUser(ToPoint(_pointerPos));
_gridDrawer.SetCursor(u.X, u.Y);
var mode = e.KeyModifiers.HasFlag(KeyModifiers.Alt)
? GridDrawer.CursorHighlightMode.Cents
: GridDrawer.CursorHighlightMode.NearestRational;
_gridDrawer.SetCursorHighlightMode(mode);
InvalidateView();
}
}