public static SoftwareBitmap DrawInk()

in WindowsSmartInk/Microsoft.MTC.SmartInk/Extensions/InkStrokeCollectionExtensions.cs [60:105]
35 lines of code
5 McCabe index (conditional complexity)

        public static SoftwareBitmap DrawInk(this IList<InkStroke> strokes, double targetWidth = 0, double targetHeight = 0, float rotation = 0, Color? backgroundColor = null  )
        {
            if (strokes == null)
                throw new ArgumentNullException($"{nameof(strokes)} cannot be null");

            var boundingBox = strokes.GetBoundingBox();

            if (targetWidth == 0)
                targetWidth = DEFAULT_WIDTH;

            if (targetHeight == 0)
                targetHeight = DEFAULT_HEIGHT;

            if (backgroundColor == null)
                backgroundColor = Colors.White;

            var scale = CalculateScale(boundingBox, targetWidth, targetHeight);

            var scaledStrokes = ScaleAndTransformStrokes(strokes, scale,rotation);

            WriteableBitmap writeableBitmap = null;
            CanvasDevice device = CanvasDevice.GetSharedDevice();
            using (CanvasRenderTarget offscreen = new CanvasRenderTarget(device, (float) targetWidth, (float)targetHeight, 96))
            {
                using (CanvasDrawingSession ds = offscreen.CreateDrawingSession())
                {

                    ds.Units = CanvasUnits.Pixels;
                    ds.Clear(backgroundColor.Value);
                    ds.DrawInk(scaledStrokes);
                }

                writeableBitmap = new WriteableBitmap((int)offscreen.SizeInPixels.Width, (int)offscreen.SizeInPixels.Height);
                offscreen.GetPixelBytes().CopyTo(writeableBitmap.PixelBuffer);
            }

            SoftwareBitmap inkBitmap = SoftwareBitmap.CreateCopyFromBuffer(
                 writeableBitmap.PixelBuffer,
                 BitmapPixelFormat.Bgra8,
                 writeableBitmap.PixelWidth,
                 writeableBitmap.PixelHeight,
                 BitmapAlphaMode.Premultiplied
             );

            return inkBitmap;
        }