Create Gaussian Blur Filter on SVG in C# | feGaussianBlur Effect on Scalable Vector Graphics in .NET

Gaussian-Blur-feGaussianBlur-SVG.cs

// Initialize a SVGDocument class object
Aspose.Svg.SVGDocument document = new Aspose.Svg.SVGDocument("complex.svg");

// Set SVG Namespace Url
string SvgNamespace = "http://www.w3.org/2000/svg";

// Get root svg element of the document
Aspose.Svg.SVGSVGElement svgElement = document.RootElement;

// Create an image element and add it to the svgElement
Aspose.Svg.SVGImageElement imageElement = (Aspose.Svg.SVGImageElement)document.CreateElementNS(SvgNamespace, "image");
imageElement.Href.BaseVal = dataDir +  "complex.jpg";
imageElement.Height.BaseVal.ConvertToSpecifiedUnits(Aspose.Svg.DataTypes.SVGLength.SVG_LENGTHTYPE_PX);
imageElement.Width.BaseVal.ConvertToSpecifiedUnits(Aspose.Svg.DataTypes.SVGLength.SVG_LENGTHTYPE_PX);
imageElement.Height.BaseVal.Value = 640;
imageElement.Width.BaseVal.Value = 480;
imageElement.X.BaseVal.Value = 20;
imageElement.Y.BaseVal.Value = 20;
imageElement.SetAttribute("filter", "url(#F1)");
svgElement.AppendChild(imageElement);

// Create a defs element and add to the svgElement
Aspose.Svg.SVGDefsElement defsElement = (Aspose.Svg.SVGDefsElement)document.CreateElementNS(SvgNamespace, "defs");
svgElement.AppendChild(defsElement);

// Create a filter element and add to the defsElement
Aspose.Svg.SVGFilterElement filterElement = (Aspose.Svg.SVGFilterElement)document.CreateElementNS(SvgNamespace, "filter");
defsElement.AppendChild(filterElement);

// Create a feGaussianBlur element and add to the filterElement	
Aspose.Svg.Filters.SVGFEGaussianBlurElement feGaussianBlurElement = (Aspose.Svg.Filters.SVGFEGaussianBlurElement)document.CreateElementNS(SvgNamespace, "feGaussianBlur");
feGaussianBlurElement.In1.BaseVal = "SourceGraphic";
feGaussianBlurElement.StdDeviationX.BaseVal = 3;
feGaussianBlurElement.StdDeviationY.BaseVal = 3;
feGaussianBlurElement.SetAttribute("x", "-20px");
feGaussianBlurElement.SetAttribute("y", "-20px");
feGaussianBlurElement.SetAttribute("height", "720px");
feGaussianBlurElement.SetAttribute("width", "560px");
filterElement.Id = "F1";
filterElement.AppendChild(feGaussianBlurElement);

// Save the SVG document
document.Save(Path.Combine(dataDir, "gaussianBlur.svg"));