public override void Draw(Canvas canvas)
{
base.Draw(canvas);
paint.Color = Pattern.TextColor.ToAndroid();
paint.TextSize = Android.Util.TypedValue.ApplyDimension(Android.Util.ComplexUnitType.Sp, Pattern.TextSize > 0 ? Pattern.TextSize : 12, Forms.Context.Resources.DisplayMetrics);
var bounds = new Rect();
paint.GetTextBounds(Pattern.Text, 0, Pattern.Text.Length, bounds);
var al = (int)Pattern.TextAlign;
var x = Bounds.Left;
if ((al & 2) == 2) // center
{
x = Bounds.CenterX() - Math.Abs(bounds.CenterX());
}
else if ((al & 4) == 4) // right
{
x = Bounds.Right - bounds.Width();
}
var y = Bounds.Top + Math.Abs(bounds.Top);
if ((al & 16) == 16) // middle
{
y = Bounds.CenterY() + Math.Abs(bounds.CenterY());
}
else if ((al & 32) == 32) // bottom
{
y = Bounds.Bottom - Math.Abs(bounds.Bottom);
}
canvas.DrawText(Pattern.Text.ToCharArray(), 0, Pattern.Text.Length, x, y, paint);
}