Disco.Services.ImagingExtensions.RotateImage C# (CSharp) Method

        public static Bitmap RotateImage(this Image Source, float Angle, Brush BackgroundColor = null, bool ResizeIfOver45Deg = true)
        {
            var destWidth = Source.Width;
            var destHeight = Source.Height;
            var resizedDest = false;

            if (ResizeIfOver45Deg && ((Angle > 45 && Angle < 135) || (Angle < -45 && Angle > -135)))
            {
                destWidth = Source.Height;
                destHeight = Source.Width;
                resizedDest = true;
            }

            var destination = new Bitmap(destWidth, destHeight);
            destination.SetResolution(Source.HorizontalResolution, Source.VerticalResolution);

            using (Graphics destinationGraphics = Graphics.FromImage(destination))
            {
                destinationGraphics.CompositingQuality = CompositingQuality.HighQuality;
                destinationGraphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
                destinationGraphics.SmoothingMode = SmoothingMode.HighQuality;

                if (BackgroundColor != null)
                    destinationGraphics.FillRectangle(BackgroundColor, destinationGraphics.VisibleClipBounds);

                float offsetWidth = destWidth / 2;
                float offsetHeight = destHeight / 2;

                destinationGraphics.TranslateTransform(offsetWidth, offsetHeight);
                destinationGraphics.RotateTransform(Angle);

                RectangleF destinationLocation;

                if (resizedDest)
                    destinationLocation = new RectangleF(
                        offsetHeight * -1, offsetWidth * -1,
                        destHeight, destWidth);
                else
                    destinationLocation = new RectangleF(
                        offsetWidth * -1, offsetHeight * -1,
                        destWidth, destHeight);

                destinationGraphics.DrawImage(Source, destinationLocation, new RectangleF(0, 0, Source.Width, Source.Height), GraphicsUnit.Pixel);
            }
            return destination;
        }