private void DrawCircle(SKCanvas canvas, CoreCircle circle, float strokewidth, SKColor color)
{
canvas.DrawCircle(circle.Center, circle.Radius,
new SKPaint()
{
StrokeWidth = strokewidth,
Color = color,
IsStroke = true
});
}
public CoreCircleProgressDrawer(SKCanvasView canvas, CoreCircle circle, Func <float> progress, float strokeWidth, SKColor progressColor, SKColor foregroundColor)
{
canvas.PaintSurface += (sender, args) =>
{
circle.CalculateCenter(args.Info);
args.Surface.Canvas.Clear();
DrawCircle(args.Surface.Canvas, circle, strokeWidth, foregroundColor);
DrawArc(args.Surface.Canvas, circle, progress, strokeWidth, progressColor);
};
}
private void DrawArc(SKCanvas canvas, CoreCircle circle, Func <float> progress, float strokewidth, SKColor color)
{
var angle = progress.Invoke() * 3.6f;
canvas.DrawArc(circle.Rect, 180, angle, false,
new SKPaint()
{
StrokeWidth = strokewidth, Color = color, IsStroke = true, StrokeCap = SKStrokeCap.Round
});
}
public CoreRadialProgressbar(float radius, SKColor backgroundColor, SKColor ringColor, float strokeWidth = 5)
{
var circle = new CoreCircle(radius, (info) => new SKPoint((float)info.Width / 2, (float)info.Height / 2));
_ProgressDrawer = new CoreRadialProgressDrawer(this, circle, () => (float)(Progress / 2), strokeWidth, ringColor, backgroundColor);
}
