public override void RenderAxisLabels(SKCanvas c)
{
if (!YAxis.IsEnabled || !YAxis.IsDrawLabelsEnabled)
{
return;
}
AxisLabelPaint.Typeface = YAxis.Typeface;
AxisLabelPaint.TextSize = YAxis.TextSize;
AxisLabelPaint.Color = YAxis.TextColor;
// calculate the factor that is needed for transforming the value to
// pixels
float factor = Chart.Factor;
var center = Chart.CenterOffsets;
int from = YAxis.DrawBottomYLabelEntry ? 0 : 1;
int to = YAxis.DrawTopYLabelEntry
? YAxis.EntryCount
: (YAxis.EntryCount - 1);
float xOffset = YAxis.XLabelOffset;
for (int j = from; j < to; j++)
{
float r = (YAxis.entries[j] - YAxis.axisMinimum) * factor;
var pOut = ChartUtil.GetPosition(center, r, Chart.RotationAngle);
var label = YAxis.GetFormattedLabel(j);
c.DrawText(label, pOut.X + xOffset, pOut.Y, AxisLabelPaint);
}
}
/// <summary>
/// draws the y-labels on the specified x-position
/// </summary>
protected virtual void DrawYLabels(SKCanvas c, float fixedPosition, SKPoint[] positions, float offset)
{
int from = YAxis.DrawBottomYLabelEntry ? 0 : 1;
int to = YAxis.DrawTopYLabelEntry
? YAxis.entryCount
: (YAxis.entryCount - 1);
float xOffset = YAxis.XLabelOffset;
// draw
for (int i = from; i < to; i++)
{
c.DrawText(YAxis.GetFormattedLabel(i),
fixedPosition + xOffset,
positions[i].Y + offset,
AxisLabelPaint);
}
}
protected override void DrawYLabels(SKCanvas c, float fixedPosition, SKPoint[] positions, float offset)
{
AxisLabelPaint.Typeface = YAxis.Typeface;
AxisLabelPaint.TextSize = YAxis.TextSize;
AxisLabelPaint.Color = YAxis.TextColor;
int from = YAxis.DrawBottomYLabelEntry ? 0 : 1;
int to = YAxis.DrawTopYLabelEntry
? YAxis.entryCount
: (YAxis.entryCount - 1);
float xOffset = YAxis.XLabelOffset;
// draw
for (int i = from; i < to; i++)
{
c.DrawText(YAxis.GetFormattedLabel(i),
positions[i].X,
fixedPosition - offset + xOffset,
AxisLabelPaint);
}
}
