public FunctionGraph()
{
InitializeComponent();
_backgroundColor = Background.SolidColor();
_foregroundColor = Foreground.SolidColor();
Canvas.ClearColor = _backgroundColor;
ManipulationMode =
ManipulationModes.Scale
| ManipulationModes.TranslateX
| ManipulationModes.TranslateY
| ManipulationModes.TranslateInertia
| ManipulationModes.ScaleInertia;
_dispatcher = Window.Current.Dispatcher;
_currentStrokes = _rootStrokes;
InkPresenter inkPresenter = InkInput.InkPresenter;
inkPresenter.UpdateDefaultDrawingAttributes(new InkDrawingAttributes()
{
Size = new Size(4, 4),
Color = _foregroundColor
});
CoreInkIndependentInputSource coreInputSource = CoreInkIndependentInputSource.Create(inkPresenter);
coreInputSource.PointerMoving += CoreInputSource_PointerMoving;
coreInputSource.PointerPressing += CoreInputSource_PointerPressing;
_inkInputProcessing = inkPresenter.InputProcessingConfiguration;
inkPresenter.StrokesCollected += InkPresenter_StrokesCollected;
_inkSynchronizer = inkPresenter.ActivateCustomDrying();
SizeChanged += (s, e) => ReduceFunctionDetail();
RegisterPropertyChangedCallback(BackgroundProperty, OnBackgroundChanged);
RegisterPropertyChangedCallback(ForegroundProperty, OnForegroundChanged);
}
