public override void DrawContent(SKCanvas canvas, int width, int height)
{
DrawCaption(canvas, width, height);
using (new SKAutoCanvasRestore(canvas))
{
canvas.Translate(width / 2, height / 2);
var sumValue = Series.First().Sum(x => Math.Abs(x.Value));
var radius = (Math.Min(width, height) - (2 * Margin)) / 2;
var start = 0.0f;
for (int i = 0; i < Series.Count(); i++)
{
var entry = Series.First().ElementAt(i);
var end = start + (Math.Abs(entry.Value) / sumValue);
// Sector
var path = RadialHelpers.CreateSectorPath(start, end, radius, radius * HoleRadius);
using (var paint = new SKPaint
{
Style = SKPaintStyle.Fill,
Color = entry.Color,
IsAntialias = true,
})
{
canvas.DrawPath(path, paint);
}
start = end;
}
}
}
public override void DrawContent(SKCanvas canvas, int width, int height)
{
if (Entries != null)
{
DrawCaption(canvas, width, height);
using (new SKAutoCanvasRestore(canvas))
{
if (DrawDebugRectangles)
{
using (var paint = new SKPaint
{
Color = SKColors.Red,
IsStroke = true,
})
{
canvas.DrawRect(DrawableChartArea, paint);
}
}
canvas.Translate(DrawableChartArea.Left + DrawableChartArea.Width / 2, height / 2);
var sumValue = Entries.Where(x => x.Value.HasValue).Sum(x => Math.Abs(x.Value.Value));
var radius = (Math.Min(DrawableChartArea.Width, DrawableChartArea.Height) - (2 * Margin)) / 2;
var start = 0.0f;
for (int i = 0; i < Entries.Count(); i++)
{
var entry = Entries.ElementAt(i);
if (!entry.Value.HasValue)
{
continue;
}
var end = start + ((Math.Abs(entry.Value.Value) / sumValue) * AnimationProgress);
// Sector
var path = RadialHelpers.CreateSectorPath(start, end, radius, radius * HoleRadius);
using (var paint = new SKPaint
{
Style = SKPaintStyle.Fill,
Color = entry.Color,
IsAntialias = true,
})
{
canvas.DrawPath(path, paint);
}
start = end;
}
}
}
}
