internal void Initialize(Window window, FrameworkElement element = null)
{
if (window == null)
{
throw new ArgumentNullException(nameof(window));
}
if (!window.IsInitialized)
{
throw new InvalidOperationException("Target Window has not been initialized.");
}
_targetWindow = window;
_targetElement = element;
ForbearScaling = WillForbearScalingIfUnnecessary && BuiltinFunction.IsScalingSupported(_targetWindow);
if (IsPerMonitorDpiAware)
{
MonitorDpi = DpiChecker.GetDpiFromVisual(_targetWindow);
if (MonitorDpi.Equals(SystemDpi) || ForbearScaling)
{
WindowDpi = MonitorDpi;
}
else
{
var newInfo = new WindowInfo
{
Dpi = MonitorDpi,
Width = _targetWindow.Width * (double)MonitorDpi.X / SystemDpi.X,
Height = _targetWindow.Height * (double)MonitorDpi.Y / SystemDpi.Y,
};
Interlocked.Exchange(ref _dueInfo, newInfo);
ChangeDpi();
}
}
else
{
MonitorDpi = SystemDpi;
WindowDpi = MonitorDpi;
}
ColorProfilePath = ColorProfileChecker.GetColorProfilePath(_targetWindow);
_targetSource = PresentationSource.FromVisual(_targetWindow) as HwndSource;
_targetSource?.AddHook(WndProc);
}
private void ChangeColorProfilePath()
{
var newPath = ColorProfileChecker.GetColorProfilePath(_targetWindow);
if (ColorProfilePath.Equals(newPath, StringComparison.OrdinalIgnoreCase))
{
return;
}
var oldPath = ColorProfilePath;
ColorProfilePath = newPath;
ColorProfileChanged?.Invoke(this, new ColorProfileChangedEventArgs(oldPath, ColorProfilePath));
}
