void AxisLayoutAlgorithmPropertyChanged()
{
switch (AxisLayoutAlgorithm)
{
case AxisLayoutAlgorithm.Wilkinson:
_axisLabeler = new WilkinsonAxisLabeler();
break;
case AxisLayoutAlgorithm.ExtendedWilkinson:
_axisLabeler = new ExtendedAxisLabeler();
break;
case AxisLayoutAlgorithm.MatPlotLib:
_axisLabeler = new MatplotlibAxisLabeler();
break;
case AxisLayoutAlgorithm.Heckbert:
_axisLabeler = new HeckbertAxisLabeler();
break;
}
}
public Axis layoutAxis()
{
AxisLabeler labeler = new NoOpAxisLabeler();
if (_options.Symbol is Numeric)
switch (algorithm)
{
case Algorithm.ExtendedWilkinson:
labeler = new ExtendedAxisLabeler();
break;
case Algorithm.Heckbert:
labeler = new HeckbertAxisLabeler();
break;
case Algorithm.MatPlotLib:
labeler = new MatplotlibAxisLabeler();
break;
case Algorithm.Wilkinson:
labeler = new WilkinsonAxisLabeler();
break;
}
else if (_options.Symbol is Factor) labeler = new CategoricalAxisLabeler();
return labeler.Generate(_options, AxisDensity);
}
public DataAxis()
{
SnapsToDevicePixels = true;
UseLayoutRounding = true;
AxisTicks = new ObservableList<DataAxisTick>();
SizeChanged += (s, e) => OnSizeChanged();
_axisOptions = new AxisLabelerOptions
{
ComputeLabelRect = ComputeLabelRect,
FontSize = TextBlock.GetFontSize(this),
Typeface = new Typeface(TextBlock.GetFontFamily(this), TextBlock.GetFontStyle(this), TextBlock.GetFontWeight(this), TextBlock.GetFontStretch(this))
};
_axisLabeler = new ExtendedAxisLabeler();
SetValue(VisibleRangePropertyKey, _visibleRange);
_visibleRange.ObserveOnDispatcher().Subscribe(e =>
{
//if (_showDebugMessages) Debug.WriteLine(string.Format("{0:HH:mm:ss.fff} DataAxis: Axis \"{1}\": Updated _visbleRange to: {2}", DateTime.Now, AxisLabel, _visibleRange));
VisibleRangeChanged();
SetValue(VisibleRangePropertyKey, new Range(_visibleRange));
});
var presentationSource = PresentationSource.FromVisual(this);
if (presentationSource == null || presentationSource.CompositionTarget == null) return;
var matrix = presentationSource.CompositionTarget.TransformToDevice;
_pixelsPerInch = Math.Max(matrix.M11, matrix.M22);
}