public FilterImageSpanGenerator(IImageReaderWriter src, ISpanInterpolator inter, ImageFilterLookUpTable filterLookup) : base(inter) { this.imageBufferAccessor = new ImageBufferAccessor(src); m_scale_limit = 20; //m_blur_x = ((int)img_subpix_scale.SCALE); //m_blur_y = ((int)img_subpix_scale.SCALE); this.filterLookup = filterLookup; }