private void InvalidateChild(double zoomX, double zoomY, double offsetX, double offsetY)
{
if (_projectEditor != null)
{
var state = _projectEditor.Renderers[0].State;
bool invalidate = state.ZoomX != zoomX || state.ZoomY != zoomY;
state.ZoomX = zoomX;
state.ZoomY = zoomY;
state.PanX = offsetX;
state.PanY = offsetY;
if (invalidate)
{
_projectEditor.OnInvalidateCache(isZooming: true);
}
}
}