protected virtual void ComputeSize()
{
var longest = XAxis.GetLongestLabel();
AxisLabelPaint.Typeface = XAxis.Typeface;
AxisLabelPaint.TextSize = XAxis.TextSize;
var labelSize = AxisLabelPaint.Measure(longest);
float labelWidth = labelSize.Width;
float labelHeight = AxisLabelPaint.MeasureHeight("Q");
var labelRotatedSize = ChartUtil.GetSizeOfRotatedRectangleByDegrees(
labelWidth,
labelHeight,
XAxis.LabelRotationAngle);
XAxis.LabelWidth = (int)Math.Round(labelWidth);
XAxis.LabelHeight = (int)Math.Round(labelHeight);
XAxis.LabelRotatedWidth = (int)MathF.Round(labelRotatedSize.Width);
XAxis.LabelRotatedHeight = (int)MathF.Round(labelRotatedSize.Height);
}
