/// <inheritdoc/>
public virtual CartesianBounds GetBounds(
CartesianChartCore <TDrawingContext> chart, IAxis <TDrawingContext> x, IAxis <TDrawingContext> y)
{
var seriesLength = 0;
var stack = chart.SeriesContext.GetStackPosition(this, GetStackGroup());
var bounds = new CartesianBounds();
foreach (var point in Fetch(chart))
{
var secondary = point.SecondaryValue;
var primary = point.PrimaryValue;
if (stack != null)
{
primary = stack.StackPoint(point);
}
var abx = bounds.SecondaryBounds.AppendValue(secondary);
var aby = bounds.PrimaryBounds.AppendValue(primary);
seriesLength++;
}
return(bounds);
}
public override CartesianBounds GetBounds(
CartesianChartCore <TDrawingContext> chart, IAxis <TDrawingContext> x, IAxis <TDrawingContext> y)
{
var baseBounds = base.GetBounds(chart, x, y);
var tick = y.GetTick(chart.ControlSize, baseBounds.PrimaryBounds);
return(new CartesianBounds
{
SecondaryBounds = new Bounds
{
Max = baseBounds.SecondaryBounds.Max + 0.5,
Min = baseBounds.SecondaryBounds.Min - 0.5
},
PrimaryBounds = new Bounds
{
Max = baseBounds.PrimaryBounds.Max + tick.Value,
min = baseBounds.PrimaryBounds.min - tick.Value
}
});
}
/// <inheritdoc/>
public abstract void Measure(
CartesianChartCore <TDrawingContext> chart, IAxis <TDrawingContext> x, IAxis <TDrawingContext> y);
public override void Measure(
CartesianChartCore <TDrawingContext> chart, IAxis <TDrawingContext> xAxis, IAxis <TDrawingContext> yAxis)
{
var drawLocation = chart.DrawMaringLocation;
var drawMarginSize = chart.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 = chart.SeriesContext.GetColumnPostion(this);
var count = chart.SeriesContext.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)
{
chart.Canvas.AddPaintTask(Fill);
}
if (Stroke != null)
{
chart.Canvas.AddPaintTask(Stroke);
}
var chartAnimation = new Animation(chart.EasingFunction, chart.AnimationsSpeed);
var ts = TransitionsSetter ?? SetDefaultTransitions;
foreach (var point in Fetch(chart))
{
var x = xScale.ScaleToUi(point.SecondaryValue);
var y = yScale.ScaleToUi(point.PrimaryValue);
float b = Math.Abs(y - p);
if (point.PointContext.Visual == null)
{
var r = new TVisual
{
X = x - uwm + cp,
Y = p,
Width = uw,
Height = 0
};
ts(r, chartAnimation);
point.PointContext.Visual = r;
if (Fill != null)
{
Fill.AddGeometyToPaintTask(r);
}
if (Stroke != null)
{
Stroke.AddGeometyToPaintTask(r);
}
}
var sizedGeometry = point.PointContext.Visual;
var cy = point.PrimaryValue > Pivot ? y : y - b;
sizedGeometry.X = x - uwm + cp;
sizedGeometry.Y = cy;
sizedGeometry.Width = uw;
sizedGeometry.Height = b;
point.PointContext.HoverArea.SetDimensions(x - uwm + cp, cy, uw, b);
OnPointMeasured(point, sizedGeometry);
chart.MeasuredDrawables.Add(sizedGeometry);
}
if (HighlightFill != null)
{
chart.Canvas.AddPaintTask(HighlightFill);
}
if (HighlightStroke != null)
{
chart.Canvas.AddPaintTask(HighlightStroke);
}
}
