using System;
using UIKit;

using SkiaSharp;
using SkiaSharp.Views.iOS;

namespace SkiaSharpSample
{
	public partial class ViewController : UIViewController
	{
		protected ViewController(IntPtr handle)
			: base(handle)
		{
		}

		public override void ViewDidLoad()
		{
			base.ViewDidLoad();

			skiaView.PaintSurface += OnPaintSurface;
		}

		private void OnPaintSurface(object sender, SKPaintSurfaceEventArgs e)
		{
			// the the canvas and properties
			var canvas = e.Surface.Canvas;

			// get the screen density for scaling
			var scale = (float)skiaView.ContentScaleFactor;

			// handle the device screen density
			canvas.Scale(scale);

			// make sure the canvas is blank
			canvas.Clear(SKColors.White);

			// draw some text
			var paint = new SKPaint
			{
				Color = SKColors.Black,
				IsAntialias = true,
				Style = SKPaintStyle.Fill,
				TextAlign = SKTextAlign.Center,
				TextSize = 24
			};
			var coord = new SKPoint((float)skiaView.Bounds.Width / 2, ((float)skiaView.Bounds.Height + paint.TextSize) / 2);
			canvas.DrawText("SkiaSharp", coord, paint);
		}
	}
}