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        private static string SvgColor(string svgFile, string color = null, string bgcolor = null, decimal opacity = 1)
        {
            var gskinColor = new Dictionary<string, string>
            {
                {"&prcolor;", "fill:" + color},
                {"&bgcolor;", "fill:" + bgcolor},
                {"&opcty;", "1" /*opacity.ToString().Replace(",",".")*/}
            };

            var _svg = File.ReadAllText(svgFile);

            foreach (var attribute in gskinColor)
                _svg = _svg.Replace(attribute.Key, attribute.Value);

            var svg = Encoding.ASCII.GetBytes(_svg);

            var image = new MagickImage(svg);

            image.Format = MagickFormat.Png;

            var base64img = image.ToBase64();

            image.Dispose();

            return base64img;
        }