using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.Linq;
using System.Threading.Tasks;


public static class BitmapExtensions
{
    /// <summary>
    /// Saves the specified bitmap as a JPEG file with the specified quality (0-100).
    /// </summary>
    /// <param name="bitmap">The bitmap.</param>
    /// <param name="filePath">The file path.</param>
    /// <param name="quality">The quality.</param>
    public static void SaveJpeg(this Bitmap bitmap, String filePath, int quality)
    {
        var encoder = ImageCodecInfo.GetImageEncoders().First(c => c.FormatID == ImageFormat.Jpeg.Guid);
        var encParams = new EncoderParameters() { Param = new[] { new EncoderParameter(Encoder.Quality, quality) } };
        bitmap.Save(filePath, encoder, encParams);
    }

    public static Bitmap ConvertTo24Bit(this Bitmap bitmap)
    {
        var bmp = new Bitmap(bitmap.Width, bitmap.Height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
        using (var gr = Graphics.FromImage(bmp))
            gr.DrawImage(bitmap, new Rectangle(0, 0, bitmap.Width, bitmap.Height));
        return bmp;
    }
}