Work with Smart Filters and Smart Objects in PSD File with C# .NET

Smart Filter Smart Object in PSD Image File.cs

            var sourceFilter = "r2_SmartFilters.psd";
            var outputPsd = "output.psd";

            using (var image = (PsdImage)Image.Load(sourceFilter))
            {
                SmartObjectLayer smartObj = (SmartObjectLayer)image.Layers[1];

                // edit smart filters
                GaussianBlurSmartFilter gaussianBlur = (GaussianBlurSmartFilter)smartObj.SmartFilters.Filters[0];

                // check filter values
                Console.WriteLine("Radius: " + gaussianBlur.Radius); // 3.1
                Console.WriteLine("Blend Mode: " + gaussianBlur.BlendMode); // BlendMode.Dissolve
                Console.WriteLine("Opacity: " + gaussianBlur.Opacity); // 90d
                Console.WriteLine("GuassianBlurEnabled: " + gaussianBlur.IsEnabled); // true

                // update filter values
                gaussianBlur.Radius = 1;
                gaussianBlur.BlendMode = BlendMode.Divide;
                gaussianBlur.Opacity = 75;
                gaussianBlur.IsEnabled = false;
                AddNoiseSmartFilter addNoise = (AddNoiseSmartFilter)smartObj.SmartFilters.Filters[1];
                addNoise.Distribution = NoiseDistribution.Uniform;

                // add new filter items
                var filters = new List<SmartFilter>(smartObj.SmartFilters.Filters);
                filters.Add(new GaussianBlurSmartFilter());
                filters.Add(new AddNoiseSmartFilter());
                smartObj.SmartFilters.Filters = filters.ToArray();

                // apply changes
                smartObj.SmartFilters.UpdateResourceValues();

                // Apply filters
                smartObj.SmartFilters.Filters[0].Apply(image.Layers[2]);
                smartObj.SmartFilters.Filters[4].ApplyToMask(image.Layers[2]);

                image.Save(outputPsd);
            }

            using (var image = (PsdImage)Image.Load(outputPsd))
            {
                SmartObjectLayer smartObj = (SmartObjectLayer)image.Layers[1];

                GaussianBlurSmartFilter gaussianBlur = (Aspose.PSD.FileFormats.Psd.Layers.SmartFilters.GaussianBlurSmartFilter)smartObj.SmartFilters.Filters[0];

                // check filter values
                Console.WriteLine("\n\n");
                Console.WriteLine("Radius: " + gaussianBlur.Radius); // 1d
                Console.WriteLine("Blend Mode: " + gaussianBlur.BlendMode); // BlendMode.Divide
                Console.WriteLine("Opacity: " + gaussianBlur.Opacity); // 75d
                Console.WriteLine("GuassianBlurEnabled: " + gaussianBlur.IsEnabled); // false

                Console.WriteLine(smartObj.SmartFilters.Filters[5] is GaussianBlurSmartFilter); // true
                Console.WriteLine(smartObj.SmartFilters.Filters[6] is AddNoiseSmartFilter); // true
            }