public override void RenderPointLabels(TKChartSeries series, CGRect bounds, CGContext ctx)
{
if (labelLayer != null)
{
labelLayer.RemoveFromSuperLayer();
}
for (int i = 0; i < series.Items.Length; i++)
{
TKChartData dataPoint = (TKChartData)series.Items [i];
CGPoint location = base.LocationForDataPoint(dataPoint, series, bounds);
if (!bounds.Contains(location))
{
continue;
}
TKChartPointLabel label = this.LabelForDataPoint(dataPoint, series, (uint)i);
CGRect labelRect;
TKChartPointLabelStyle labelStyle = series.Style.PointLabelStyle;
if (this.isSelectedPoint)
{
labelRect = new CGRect((float)(location.X - 17.5), (float)(location.Y - 10 - 2.5 * Math.Abs(labelStyle.LabelOffset.Vertical)), 35, 30);
if (labelRect.Y < bounds.Y)
{
this.labelLayer.IsOutsideBounds = true;
labelRect.Y = (float)(location.Y + 10 + 2.5 * Math.Abs(labelStyle.LabelOffset.Vertical) - labelRect.Size.Height);
}
else
{
this.labelLayer.IsOutsideBounds = false;
}
this.labelLayer.Frame = labelRect;
this.Render.AddSublayer(this.labelLayer);
this.labelLayer.SetNeedsDisplay();
}
else
{
CGSize labelSize = label.SizeThatFits(bounds.Size);
labelRect = new CGRect((float)(location.X - labelSize.Width / 2.0 + labelStyle.LabelOffset.Horizontal),
(float)(location.Y - labelSize.Height / 2.0 + labelStyle.LabelOffset.Vertical), labelSize.Width, labelSize.Height);
if (labelRect.Y < this.Render.Bounds.Y)
{
labelRect.Y = (float)(location.Y - labelSize.Height / 2.0 + Math.Abs(labelStyle.LabelOffset.Vertical));
}
label.DrawInContext(ctx, labelRect, new TKChartVisualPoint(new PointF(0, 0)), UIColor.White);
}
}
}
public MyPointLabel(TKChartData dataPoint, TKChartPointLabelStyle style, string text) : base(dataPoint, style, text)
{
}
public MyPointLabel(TKChartData dataPoint, TKChartPointLabelStyle style, string text)
: base(dataPoint, style, text)
{
}
