internal override void ApplyLayoutRounding()
{
// fit first and last ticks within axis layout slot
AxisTickModel firstTick = this.owner.FirstTick;
AxisTickModel lastTick = this.owner.LastTick;
double thickness = this.owner.TickThickness;
double thicknessOffset = (int)(thickness / 2);
if (firstTick != null && RadMath.IsZero(firstTick.normalizedValue))
{
firstTick.layoutSlot.X = this.owner.layoutSlot.X - thicknessOffset;
}
if (lastTick != null && RadMath.IsOne(lastTick.normalizedValue))
{
double zoomWidth = this.owner.layoutSlot.Width * this.owner.GetChartArea().view.ZoomWidth;
lastTick.layoutSlot.X = this.owner.layoutSlot.X + zoomWidth - thicknessOffset;
// remove one additional pixel on the right (rendering along the X-axis goes from left to right)
lastTick.layoutSlot.X--;
}
}
internal override RadRect ArrangeOverride(RadRect rect)
{
this.radialLines.Clear();
this.polarLines.Clear();
RadPoint center = RadPoint.Round(rect.Center);
double radius = Math.Max(0, rect.Width / 2);
PolarChartAreaModel polarArea = this.GetChartArea <PolarChartAreaModel>();
PolarAxisModel polarAxis = polarArea.PolarAxis;
foreach (AxisTickModel tick in polarAxis.MajorTicks)
{
double tickRadius = (int)(((double)tick.normalizedValue * radius) + 0.5);
this.radialLines.Add(new RadCircle()
{
Center = center, Radius = tickRadius
});
}
AxisModel angleAxis = polarArea.AngleAxis;
foreach (AxisTickModel tick in angleAxis.MajorTicks)
{
// do not add a line for the last tick
if (RadMath.IsOne(angleAxis.IsInverse ? 1 - tick.normalizedValue : tick.normalizedValue))
{
continue;
}
double angle = polarArea.NormalizeAngle((double)tick.value);
this.polarLines.Add(new RadPolarVector()
{
Center = center, Point = tick.layoutSlot.Location, Angle = angle
});
}
return(rect);
}
internal override void ApplyLayoutRounding()
{
// fit first and last ticks within axis layout slot
AxisTickModel firstTick = this.owner.FirstTick;
AxisTickModel lastTick = this.owner.LastTick;
double thickness = this.owner.TickThickness;
double thicknessOffset = (int)(thickness / 2);
// ensure that the first and last ticks are within axis' layout slot
if (firstTick != null && RadMath.IsZero(firstTick.normalizedValue))
{
double zoomHeight = this.owner.layoutSlot.Height * this.owner.GetChartArea().view.ZoomHeight;
firstTick.layoutSlot.Y = this.owner.layoutSlot.Y + zoomHeight - thicknessOffset;
// remove one additional pixel at bottom (rendering along the Y-axis goes from top to bottom)
firstTick.layoutSlot.Y--;
}
if (lastTick != null && RadMath.IsOne(lastTick.normalizedValue))
{
lastTick.layoutSlot.Y = this.owner.layoutSlot.Y - thicknessOffset;
}
}
internal virtual IEnumerable <AxisLabelModel> GenerateLabels()
{
AxisPlotMode plotMode = this.ActualPlotMode;
int labelIndex = 0;
int startIndex = this.LabelOffset;
int labelStep = this.LabelInterval;
int skipLabelCount = 1;
IContentFormatter labelFormatter = this.ContentFormatter;
object owner = this.Presenter;
string format = this.GetLabelFormat();
// generate label for each major tick
foreach (AxisTickModel tick in this.ticks)
{
if (labelIndex < startIndex)
{
labelIndex++;
continue;
}
// skip minor ticks
if (tick.Type == TickType.Minor)
{
continue;
}
if (skipLabelCount > 1)
{
skipLabelCount--;
continue;
}
// no need to process last tick if we are plotting between ticks
if (plotMode == AxisPlotMode.BetweenTicks && RadMath.IsOne(this.IsInverse ? 1 - tick.normalizedValue : tick.normalizedValue))
{
break;
}
AxisLabelModel label = new AxisLabelModel();
object content = this.GetLabelContent(tick);
if (labelFormatter != null)
{
content = labelFormatter.Format(owner, content);
}
else if (!string.IsNullOrEmpty(format))
{
content = string.Format(CultureInfo.CurrentUICulture, format, content);
}
label.Content = content;
tick.associatedLabel = label;
if (plotMode == AxisPlotMode.BetweenTicks)
{
decimal length = tick.NormalizedForwardLength;
if (length == 0)
{
length = tick.NormalizedBackwardLength;
}
tick.associatedLabel.normalizedPosition = tick.normalizedValue + (length / 2);
}
else
{
tick.associatedLabel.normalizedPosition = tick.normalizedValue;
}
yield return(label);
skipLabelCount = labelStep;
}
}