impsquarescaletransform.cs

破解的飞信源代码

namespace Imps.Utils
{
    using System;
    using System.Drawing;
    using System.Drawing.Drawing2D;

    public sealed class ImpSquareScaleTransform : ImpScaleTransform
    {
        public ImpSquareScaleTransform(int w) : base(w, w, true)
        {
        }

        public override IImage Transform(IImage image)
        {
            IImage image5;
            if (image == null)
            {
                throw new ArgumentNullException("image");
            }
            int width = base.Width;
            int height = base.Height;
            int x = 0;
            int y = 0;
            IImage image2 = null;
            try
            {
                image2 = (IImage) image.Clone();
                using (Image image3 = image.Image)
                {
                    using (Image image4 = new Bitmap(base.Width, base.Height, image3.PixelFormat))
                    {
                        using (Graphics graphics = Graphics.FromImage(image4))
                        {
                            float num5 = image.Width;
                            float num6 = image.Height;
                            float num7 = 0f;
                            float num8 = 0f;
                            if (num5 > num6)
                            {
                                num7 = (num5 - num6) / 2f;
                                num5 = num6;
                            }
                            else if (num6 > num5)
                            {
                                num8 = (num6 - num5) / 2f;
                                num6 = num5;
                            }
                            graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
                            graphics.DrawImage(image3, new Rectangle(x, y, width, height), new Rectangle(Convert.ToInt32(num7), Convert.ToInt32(num8), Convert.ToInt32(num5), Convert.ToInt32(num6)), GraphicsUnit.Pixel);
                        }
                        image2.Image = image4;
                    }
                }
                image5 = image2;
            }
            catch (Exception exception)
            {
                if (image2 != null)
                {
                    image2.Dispose();
                }
                throw exception;
            }
            return image5;
        }
    }
}