Hidistro.UI.Web/Admin/distributor/DistributorLogoUpload.cs

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namespace Hidistro.UI.Web.Admin.distributor
{
    using Hidistro.Core;
    using Hidistro.Core.Entities;
    using System;
    using System.Drawing;
    using System.Drawing.Drawing2D;
    using System.Drawing.Imaging;
    using System.Globalization;
    using System.IO;
    using System.Web;
    using System.Web.UI;
    using System.Web.UI.HtmlControls;

    public class DistributorLogoUpload : Page
    {
        protected HtmlForm form1;

        public static Bitmap GetThumbnail(Bitmap b, int destHeight, int destWidth)
        {
            Image image = b;
            ImageFormat rawFormat = image.RawFormat;
            int width = 0;
            int height = 0;
            int num3 = image.Width;
            int num4 = image.Height;
            if ((num4 > destHeight) || (num3 > destWidth))
            {
                if ((num3 * destHeight) < (num4 * destWidth))
                {
                    width = destWidth;
                    height = (destWidth * num4) / num3;
                }
                else
                {
                    height = destHeight;
                    width = (num3 * destHeight) / num4;
                }
            }
            else
            {
                width = destWidth;
                height = destHeight;
            }
            Bitmap bitmap = new Bitmap(destWidth, destHeight);
            Graphics graphics = Graphics.FromImage(bitmap);
            graphics.Clear(Color.Transparent);
            graphics.CompositingQuality = CompositingQuality.HighQuality;
            graphics.SmoothingMode = SmoothingMode.HighQuality;
            graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
            graphics.DrawImage(image, new Rectangle((destWidth - width) / 2, (destHeight - height) / 2, width, height), 0, 0, image.Width, image.Height, GraphicsUnit.Pixel);
            graphics.Dispose();
            EncoderParameters parameters = new EncoderParameters();
            long[] numArray = new long[] { 100L };
            EncoderParameter parameter = new EncoderParameter(Encoder.Quality, numArray);
            parameters.Param[0] = parameter;
            image.Dispose();
            return bitmap;
        }