public override void Measure(
IChartView <TDrawingContext> view,
IAxis <TDrawingContext> xAxis,
IAxis <TDrawingContext> yAxis,
SeriesContext <TDrawingContext> context,
HashSet <IDrawable <TDrawingContext> > drawBucket)
{
var drawLocation = view.Core.DrawMaringLocation;
var drawMarginSize = view.Core.DrawMarginSize;
var xScale = new ScaleContext(drawLocation, drawMarginSize, xAxis.Orientation, xAxis.DataBounds);
var yScale = new ScaleContext(drawLocation, drawMarginSize, yAxis.Orientation, yAxis.DataBounds);
float uw = xScale.ScaleToUi(1f) - xScale.ScaleToUi(0f);
float uwm = 0.5f * uw;
float sw = Stroke?.StrokeWidth ?? 0;
float p = yScale.ScaleToUi(unchecked ((float)Pivot));
var pos = context.GetColumnPostion(this);
var count = context.GetColumnSeriesCount();
float cp = 0f;
if (!IgnoresColumnPosition && count > 1)
{
uw = uw / count;
uwm = 0.5f * uw;
cp = (pos - (count / 2f)) * uw + uwm;
}
if (uw > MaxColumnWidth)
{
uw = unchecked ((float)MaxColumnWidth);
uwm = uw / 2f;
}
if (Fill != null)
{
view.CoreCanvas.AddPaintTask(Fill);
}
if (Stroke != null)
{
view.CoreCanvas.AddPaintTask(Stroke);
}
var chartAnimation = new Animation(view.EasingFunction, view.AnimationsSpeed);
var ts = TransitionsSetter ?? SetDefaultTransitions;
foreach (var point in GetPonts())
{
var x = xScale.ScaleToUi(point.X);
var y = yScale.ScaleToUi(point.Y);
float b = Math.Abs(y - p);
if (point.Visual == null)
{
var r = new TVisual
{
X = x - uwm + cp,
Y = p,
Width = uw,
Height = 0
};
ts(r, chartAnimation);
point.HoverArea = new HoverArea();
point.Visual = r;
if (Fill != null)
{
Fill.AddGeometyToPaintTask(r);
}
if (Stroke != null)
{
Stroke.AddGeometyToPaintTask(r);
}
}
var sizedGeometry = (TVisual)point.Visual;
var cy = point.Y > Pivot ? y : y - b;
sizedGeometry.X = x - uwm + cp;
sizedGeometry.Y = cy;
sizedGeometry.Width = uw;
sizedGeometry.Height = b;
point.HoverArea.SetDimensions(x - uwm + cp, cy, uw, b);
OnPointMeasured(point, sizedGeometry);
drawBucket.Add(sizedGeometry);
}
if (HighlightFill != null)
{
view.CoreCanvas.AddPaintTask(HighlightFill);
}
if (HighlightStroke != null)
{
view.CoreCanvas.AddPaintTask(HighlightStroke);
}
}
