Aspose.PSD是高级PSD和入门级AI文件格式操作API，允许创建和编辑Photoshop文件，并提供更新图层属性，添加水印，执行图形操作或将一种文件格式转换为另一种文件的功能，没有任何Adobe Photoshop或Adobe Illustrator依赖项。

Aspose.PSD for .Net更新至新版本v21.3，添加SectionDividerLayer以改善图层组的体验，修复笔画效果属性未保存到PSD文件等问题。

>>你可以点击这里下载Aspose.PSD for .NET v21.3试体验。

具体更新内容

新功能解析

PSDNET-823——添加SectionDividerLayer以改善图层组的体验

// The following code demonstrates SectionDividerLayer layers and how to get the related to it LayerGroup.

            // Layers hierarchy
            //    [0]: '' SectionDividerLayer for Group 1
            //    [1]: 'Layer 1' Regular Layer
            //    [2]: '' SectionDividerLayer for Group 2
            //    [3]: '' SectionDividerLayer for Group 3
            //    [4]: 'Group 3' GroupLayer
            //    [5]: 'Group 2' GroupLayer
            //    [6]: 'Group 1' GroupLayer

            void AssertAreEqual(object expected, object actual, string message = null)
            {
                if (!object.Equals(expected, actual))
                {
                    throw new FormatException(message ?? "Objects are not equal.");
                }
            }

            using (var image = new PsdImage(100, 100))
            {
                // Creating layers hierarchy
                // Add the LayerGroup 'Group 1'
                LayerGroup group1 = image.AddLayerGroup("Group 1", 0, true);
                // Add regular layer
                Layer layer1 = new Layer();
                layer1.DisplayName = "Layer 1";
                group1.AddLayer(layer1);
                // Add the LayerGroup 'Group 2'
                LayerGroup group2 = group1.AddLayerGroup("Group 2", 1);
                // Add the LayerGroup 'Group 3'
                LayerGroup group3 = group2.AddLayerGroup("Group 3", 0);

                // Gets the SectionDividerLayer's
                SectionDividerLayer divider1 = (SectionDividerLayer)image.Layers[0];
                SectionDividerLayer divider2 = (SectionDividerLayer)image.Layers[2];
                SectionDividerLayer divider3 = (SectionDividerLayer)image.Layers[3];

                // using the SectionDividerLayer.GetRelatedLayerGroup() method, obtains the related LayerGroup instance.
                AssertAreEqual(group1.DisplayName, divider1.GetRelatedLayerGroup().DisplayName); // the same LayerGroup
                AssertAreEqual(group2.DisplayName, divider2.GetRelatedLayerGroup().DisplayName); // the same LayerGroup
                AssertAreEqual(group3.DisplayName, divider3.GetRelatedLayerGroup().DisplayName); // the same LayerGroup

                LayerGroup folder1 = divider1.GetRelatedLayerGroup();
                AssertAreEqual(5, folder1.Layers.Length); // 'Group 1' contains 5 layers
            }

PSDNET-694——读取PattResource时，宽度和高度已交换

  string sourceFile = "Untitled-1.psd";
            string outputFile = "output.png";

            using (var image = (PsdImage)Image.Load(sourceFile))
            {
                var fillLayer = (FillLayer)image.Layers[1];
                fillLayer.Update(); // invoke pattern rendering

                image.Save(outputFile, new PngOptions());
            }

PSDNET-842——修复笔画效果属性未保存到PSD文件

  void AssertAreEqual(object expected, object actual, string message = null)
            {
                if (!object.Equals(expected, actual))
                {
                    throw new FormatException(message ?? "Objects are not equal.");
                }
            }

            string srcFile = "badStrokeEffect.psd";
            string output = "output.psd";

            using (var image = (PsdImage)Image.Load(srcFile, new PsdLoadOptions() { LoadEffectsResource = true }))
            {
                var layer1 = new Layer();
                image.AddLayer(layer1);
                layer1.BlendingOptions.AddStroke(FillType.Color); // Will not throw ArgumentNullException

                StrokeEffect strokeEffect = image.Layers[1].BlendingOptions.AddStroke(FillType.Color);
                strokeEffect.Size = 10;
                strokeEffect.Position = StrokePosition.Outside;
                strokeEffect.Overprint = true;

                image.Save(output);
            }

            // Checks saved values
            using (var image = (PsdImage)Image.Load(output, new PsdLoadOptions() { LoadEffectsResource = true }))
            {
                StrokeEffect strokeEffect = (StrokeEffect)image.Layers[1].BlendingOptions.Effects[0];

                AssertAreEqual(10, strokeEffect.Size);
                AssertAreEqual(StrokePosition.Outside, strokeEffect.Position);
                AssertAreEqual(true, strokeEffect.Overprint);
            }

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