using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Mesen.GUI.Config
{
	public static class ImageExtensions
	{
		public static byte[] ToByteArray(this Image image, ImageFormat format)
		{
			using(MemoryStream ms = new MemoryStream()) {
				image.Save(ms, format);
				return ms.ToArray();
			}
		}

		public static Image ResizeImage(this Image image, int width, int height)
		{
			var destRect = new Rectangle(0, 0, width, height);
			var destImage = new Bitmap(width, height);

			destImage.SetResolution(image.HorizontalResolution, image.VerticalResolution);

			using(var graphics = Graphics.FromImage(destImage)) {
				graphics.CompositingMode = CompositingMode.SourceCopy;
				graphics.CompositingQuality = CompositingQuality.HighQuality;
				graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
				graphics.SmoothingMode = SmoothingMode.HighQuality;
				graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;

				using(var wrapMode = new ImageAttributes()) {
					wrapMode.SetWrapMode(WrapMode.TileFlipXY);
					graphics.DrawImage(image, destRect, 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, wrapMode);
				}
			}

			return destImage;
		}
	}
}