PixiEditor/PixiEditor/Models/Layers/LayerGenerator.cs

using System.Windows.Media.Imaging;

namespace PixiEditor.Models.Layers
{
    public static class LayerGenerator
    {
        /// <summary>
        ///     Generating useable layer with image and bitmap
        /// </summary>
        /// <param name="imageWidth">Width of layer.</param>
        /// <param name="imageHeight">Height of layer.</param>
        /// <returns></returns>
        public static Layer Generate(int imageWidth, int imageHeight)
        {
            return new Layer(GenerateBitmap(imageWidth, imageHeight));
        }

        /// <summary>
        ///     Generates bitmap ready to work with
        /// </summary>
        /// <param name="bitmapWidth">Width of bitmap.</param>
        /// <param name="imageHeight">Height of bitmap.</param>
        /// <returns></returns>
        private static WriteableBitmap GenerateBitmap(int bitmapWidth, int imageHeight)
        {
            WriteableBitmap bitmap = BitmapFactory.New(bitmapWidth, imageHeight);
            bitmap.Clear(System.Windows.Media.Colors.Transparent);
            return bitmap;
        }
    }
}