Aspose.PSD for .Net是高級PSD和入門級AI文件格式操作API，允許創(chuàng)建和編輯Photoshop文件，并提供更新圖層屬性，添加水印，執(zhí)行圖形操作或將一種文件格式轉換為另一種文件的功能，沒有任何Adobe Photoshop或Adobe Illustrator依賴項。

令人興奮的是，.NET版Aspose.PSD迎來了6月的最新更新！新增了如下兩大新功能：

• 支持LnkE資源
• 支持britResource（亮度/對比度調整層資源）

>>你可以點擊這里下載Aspose.PSD for .NET v20.6測試體驗

具體更新內容

PSDNET-606-支持LnkE資源

string message = "ExampleOfLnkEResourceSupport works incorrectly.";
void AssertIsTrue(bool condition)
{
    if (!condition)
    {
        throw new FormatException(message);
    }
}
 
void AssertAreEqual(object actual, object expected)
{
    if (!object.Equals(actual, expected))
    {
        throw new FormatException(message);
    }
}
 
// This example demonstrates how to get and set properties of the Photoshop Psd LnkE Resource that contains information about an external linked file.
void ExampleOfLnkEResourceSupport(
    string filePath,
    int length,
    int length2,
    int length3,
    int length4,
    string fullPath,
    string date,
    double assetModTime,
    string childDocId,
    bool locked,
    string uid,
    string name,
    string originalFileName,
    string fileType,
    long size)
{
    string fileName = Path.GetFileName(filePath);
    string outputPath = @"Output\" + fileName;
    using (PsdImage image = (PsdImage)Image.Load(filePath))
    {
        LnkeResource lnkeResource = null;
        foreach (var resource in image.GlobalLayerResources)
        {
            lnkeResource = resource as LnkeResource;
            if (lnkeResource != null)
            {
                AssertAreEqual(lnkeResource.Length, length);
                AssertAreEqual(lnkeResource.UniqueId, new Guid(uid));
                AssertAreEqual(lnkeResource.FullPath, fullPath);
                AssertAreEqual(lnkeResource.Date.ToString(CultureInfo.InvariantCulture), date);
                AssertAreEqual(lnkeResource.AssetModTime, assetModTime);
                AssertAreEqual(lnkeResource.AssetLockedState, locked);
                AssertAreEqual(lnkeResource.FileName, name);
                AssertAreEqual(lnkeResource.FileSize, size);
                AssertAreEqual(lnkeResource.ChildDocId, childDocId);
                AssertAreEqual(lnkeResource.Version, 7);
                AssertAreEqual(lnkeResource.FileType, fileType);
                AssertAreEqual(lnkeResource.FileCreator, string.Empty);
                AssertAreEqual(lnkeResource.OriginalFileName, originalFileName);
                AssertAreEqual(lnkeResource.CompId, -1);
                AssertAreEqual(lnkeResource.OriginalCompId, -1);
                AssertIsTrue(lnkeResource.HasFileOpenDescriptor);
                AssertIsTrue(!lnkeResource.IsEmpty);
                AssertIsTrue(lnkeResource.Type == LinkResourceType.liFE);
 
                lnkeResource.FullPath =
                    @"file:///C:/Aspose/net/Aspose.Psd/test/testdata/Images/Psd/SmartObjects/rgb8_2x2.png";
                AssertAreEqual(lnkeResource.Length, length2);
                lnkeResource.FileName = "rgb8_2x23.png";
                AssertAreEqual(lnkeResource.Length, length3);
                lnkeResource.ChildDocId = Guid.NewGuid().ToString();
                AssertAreEqual(lnkeResource.Length, length4);
                lnkeResource.Date = DateTime.Now;
                lnkeResource.AssetModTime = double.MaxValue;
                lnkeResource.FileSize = long.MaxValue;
                lnkeResource.FileType = "test";
                lnkeResource.FileCreator = "file";
                lnkeResource.CompId = int.MaxValue;
                break;
            }
        }
 
        AssertIsTrue(lnkeResource != null);
 
        image.Save(outputPath, new PsdOptions(image));
    }
 
    using (PsdImage image = (PsdImage)Image.Load(outputPath))
    {
        image.Save(
            Path.ChangeExtension(outputPath, "png"),
            new PngOptions
            {
                ColorType = PngColorType.TruecolorWithAlpha
            });
    }
}
 
// This example demonstrates how to get and set properties of the Psd LnkE Resource that contains information about external linked JPEG file.
this.ExampleOfLnkEResourceSupport(
    @"..\..\..\Issues\IMAGINGNET-2375\photooverlay_5_new.psd",
    0x21c,
    0x26c,
    0x274,
    0x27c,
    @"file:///C:/Users/cvallejo/Desktop/photo.jpg",
    "05/09/2017 22:24:51",
    0,
    "F062B9DB73E8D124167A4186E54664B0",
    false,
    "02df245c-36a2-11e7-a9d8-fdb2b61f07a7",
    "photo.jpg",
    "photo.jpg",
    "JPEG",
    0x1520d);
 
// This example demonstrates how to get and set properties of the PSD LnkE Resource that contains information about an external linked PNG file.
this.ExampleOfLnkEResourceSupport(
    "rgb8_2x2_linked.psd",
    0x284,
    0x290,
    0x294,
    0x2dc,
    @"file:///C:/Aspose/net/Aspose.Psd/test/testdata/Issues/PSDNET-491/rgb8_2x2.png",
    "04/14/2020 14:23:44",
    0,
    "",
    false,
    "5867318f-3174-9f41-abca-22f56a75247e",
    "rgb8_2x2.png",
    "rgb8_2x2.png",
    "png",
    0x53);
 
// This example demonstrates how to get and set properties of the Photoshop Psd LnkE Resource that contains information about an external linked CC Libraries Asset.
this.ExampleOfLnkEResourceSupport(
    "rgb8_2x2_asset_linked.psd",
    0x398,
    0x38c,
    0x388,
    0x3d0,
    @"CC Libraries Asset “rgb8_2x2_linked/rgb8_2x2” (Feature is available in Photoshop CC 2015)",
    "01/01/0001 00:00:00",
    1588890915488.0d,
    "",
    false,
    "ec15f0a8-7f13-a640-b928-7d29c6e9859c",
    "rgb8_2x2_linked",
    "rgb8_2x2.png",
    "png",
    0);

PSDNET-201-支持文檔轉換進度

string sourceFilePath = "Apple.psd";
Stream outputStream = new MemoryStream();
 
ProgressEventHandler localProgressEventHandler = delegate(ProgressEventHandlerInfo progressInfo)
{
      string message = string.Format(
           "{0} {1}: {2} out of {3}",
           progressInfo.Description,
           progressInfo.EventType,
           progressInfo.Value,
           progressInfo.MaxValue);
      Console.WriteLine(message);
};
 
Console.WriteLine("---------- Loading Apple.psd ----------");
var loadOptions = new PsdLoadOptions() { ProgressEventHandler = localProgressEventHandler };
using (PsdImage image = (PsdImage)Image.Load(sourceFilePath, loadOptions))
{
      Console.WriteLine("---------- Saving Apple.psd to PNG format ----------");
      image.Save(
           outputStream,
           new PngOptions()
           {
                 ColorType = PngColorType.Truecolor, ProgressEventHandler = localProgressEventHandler
           });
 
      Console.WriteLine("---------- Saving Apple.psd to PSD format ----------");
      image.Save(
           outputStream,
           new PsdOptions()
           {
                 ColorMode = ColorModes.Rgb,
                 ChannelsCount = 4,
                 ProgressEventHandler = localProgressEventHandler
           });
}

PSDNET-386-支持britResource（亮度/對比度調整層資源）

/* This Example demonstrates how you can programmatically change the PSD Image Brightness/Contrast Layer Resource - BritResource
   This is a Low-Level Aspose.PSD API. You can use Brightness/Contrast Layer through its API, which will be much easier, 
   but direct PhotoShop resource editing gives you more control over the PSD file content.  */
string path = @"BrightnessContrastPS6.psd";
string outputPath = @"BrightnessContrastPS6_output.psd";
using (PsdImage im = (PsdImage)Image.Load(path))
{
    foreach (var layer in im.Layers)
    {
        if (layer is BrightnessContrastLayer)
        {
            foreach (var layerResource in layer.Resources)
            {
                if (layerResource is BritResource)
                {
                    var resource = (BritResource)layerResource;
                    isRequiredResourceFound = true;
                    if (resource.Brightness != -40 ||
                        resource.Contrast != 10 ||
                        resource.LabColor != false ||
                        resource.MeanValueForBrightnessAndContrast != 127)
                    {
                        throw new Exception("BritResource was read wrong");
                    }
                    // Test editing and saving
                    resource.Brightness = 25;
                    resource.Contrast = -14;
                    resource.LabColor = true;
                    resource.MeanValueForBrightnessAndContrast = 200;
                    im.Save(outputPath, new PsdOptions());
                    break;
                }
            }
        }
    }
}

PSDBET-219-將DefaultReplacementFont設置移到ImageOptionsBase類中

// Please, don't intall Konstanting Font, because this test should replace font that is not installed
string sourceFileName = "sample_konstanting.psd";
string[] outputs = new string[]
{
    "replacedfont0.tiff",
    "replacedfont1.png",
    "replacedfont2.jpg"
};
using (PsdImage image = (PsdImage)Image.Load(sourceFileName, new PsdLoadOptions()))
{
    // This way you can use different fonts for different outputs 
    image.Save(outputs[0], new TiffOptions(TiffExpectedFormat.TiffJpegRgb) { DefaultReplacementFont = "Arial" });
    image.Save(outputs[1], new PngOptions { DefaultReplacementFont = "Verdana" });
    image.Save(outputs[2], new JpegOptions { DefaultReplacementFont = "Times New Roman" });
}