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Fixed the issue of Horizontal axis labels skipped despite available space. #242

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Fixed the issue of Horizontal axis labels skipped despite available space. #242

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25 changes: 22 additions & 3 deletions maui/src/Charts/Axis/ChartAxis.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -239,9 +239,9 @@ public double PointToValue(double x, double y)
protected internal double GetActualDesiredIntervalsCount(Size availableSize)
{
double size = !IsVertical ? availableSize.Width : availableSize.Height;
double adjustedDesiredIntervalsCount = size * (!IsVertical ? 0.54 : 1.0) * MaximumLabels;
var actualDesiredIntervalsCount = Math.Max(adjustedDesiredIntervalsCount / 100, 1.0);
return actualDesiredIntervalsCount;
double spacingFactor = GetLabelSpacingFactor();
double adjustedDesiredIntervalsCount = size * spacingFactor * MaximumLabels;
return Math.Max(adjustedDesiredIntervalsCount / 100, 1.0);
}

/// <summary>
Expand Down Expand Up @@ -776,6 +776,25 @@ void RaiseActualRangeChangedEvent(DoubleRange visibleRange, Size plotSize)
}
}

double GetLabelSpacingFactor()
{
if (IsVertical)
return 1.0;

// Base factor for horizontal labels - more conservative than 0.54
double factor = 0.6;
// Adjust based on label rotation
double rotationRadians = Math.Abs(LabelRotation) * Math.PI / 180;

if (rotationRadians > 0)
{
// Rotated labels can be packed more densely
factor *= 1.0 + 0.3 * Math.Sin(rotationRadians);
}

return factor;
}

#endregion

#endregion
Expand Down