LiFeDataSource.ElementRef

LiFeDataSource.ElementRef property

Ruft die Elementreferenz der Grafikbibliothek für Adobe® Photoshop® CC-Bibliotheken ab oder legt sie fest.

public string ElementRef { get; set; }

Eigentumswert

Die Elementreferenz der Grafikbibliothek.

Ausnahmen

AusnahmeBedingung
PsdImageExceptionSie können nicht auf die Eigenschaft ElementRef zugreifen, sie ist nur für die LiFE-Datenquelle verfügbar, wenn IsLibrary wahr ist

Beispiele

Dieses Beispiel zeigt, wie Eigenschaften der Psd LnkE-Ressource abgerufen und festgelegt werden.

[C#]

string message = "The example works incorrectly.";
void AssertAreEqual(object actual, object expected)
{
    if (!object.Equals(actual, expected))
    {
        throw new FormatException(message);
    }
}

// Dieses Beispiel zeigt, wie Eigenschaften der Psd LnkE-Ressource abgerufen und festgelegt werden, die Informationen zu einer extern verknüpften Datei enthält.
void ExampleOfLnkEResourceSupport(
    string fileName,
    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,
    int version)
{
    string outputPath = fileName;
    using (PsdImage image = (PsdImage)Image.Load(fileName))
    {
        LnkeResource lnkeResource = null;
        foreach (var resource in image.GlobalLayerResources)
        {
            lnkeResource = resource as LnkeResource;
            if (lnkeResource != null)
            {
                LiFeDataSource lifeSource = lnkeResource[0];
                AssertAreEqual(lnkeResource.Length, length);
                AssertAreEqual(lifeSource.UniqueId, new Guid(uid));
                AssertAreEqual(lifeSource.FullPath, fullPath);
                AssertAreEqual(lifeSource.Date.ToString(CultureInfo.InvariantCulture), date);
                AssertAreEqual(lifeSource.AssetModTime, assetModTime);
                AssertAreEqual(lifeSource.FileName, name);
                AssertAreEqual(lifeSource.FileSize, size);
                AssertAreEqual(lifeSource.ChildDocId, childDocId);
                AssertAreEqual(lifeSource.Version, version);
                AssertAreEqual(lifeSource.FileType.TrimEnd(' '), fileType);
                AssertAreEqual(lifeSource.FileCreator.TrimEnd(' '), string.Empty);
                AssertAreEqual(lifeSource.OriginalFileName, originalFileName);
                AssertAreEqual(false, lnkeResource.IsEmpty);
                AssertAreEqual(true, lifeSource.Type == LinkDataSourceType.liFE);
                if (version == 7)
                {
                    AssertAreEqual(lifeSource.AssetLockedState, locked);
                }

                if (lifeSource.HasFileOpenDescriptor)
                {
                    AssertAreEqual(lifeSource.CompId, -1);
                    AssertAreEqual(lifeSource.OriginalCompId, -1);
                }

                lifeSource.FullPath =
                    @"file:///C:/Aspose/net/Aspose.Psd/test/testdata/Images/Psd/SmartObjects/rgb8_2x2.png";
                AssertAreEqual(lnkeResource.Length, length2);
                lifeSource.FileName = "rgb8_2x23.png";
                AssertAreEqual(lnkeResource.Length, length3);
                lifeSource.ChildDocId = Guid.NewGuid().ToString();
                AssertAreEqual(lnkeResource.Length, length4);
                lifeSource.Date = DateTime.Now;
                lifeSource.AssetModTime = double.MaxValue;
                lifeSource.FileSize = long.MaxValue;
                lifeSource.FileType = "test";
                lifeSource.FileCreator = "file";
                lifeSource.CompId = int.MaxValue;
                break;
            }
        }

        AssertAreEqual(true, lnkeResource != null);

        image.Save(outputPath, new PsdOptions(image));
    }
}

// Dieses Beispiel zeigt, wie Eigenschaften der Psd LnkeResource abgerufen und festgelegt werden, die Informationen über extern verknüpfte JPEG-Dateien enthält.
ExampleOfLnkEResourceSupport(
    @"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,
    7);

// Dieses Beispiel zeigt, wie Eigenschaften der PSD LnkeResource abgerufen und festgelegt werden, die Informationen zu einer extern verknüpften PNG-Datei enthält.
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,
    string.Empty,
    false,
    "5867318f-3174-9f41-abca-22f56a75247e",
    "rgb8_2x2.png",
    "rgb8_2x2.png",
    "png",
    0x53,
    7);

// Dieses Beispiel zeigt, wie Eigenschaften der PSD LnkeResource abgerufen und festgelegt werden, die Informationen zu zwei extern verknüpften PNG- und PSD-Dateien enthält.
ExampleOfLnkEResourceSupport(
    "rgb8_2x2_linked2.psd",
    0x590,
    0x580,
    0x554,
    0x528,
    @"file:///C:/Aspose/net/Aspose.Psd/test/testdata/Images/Psd/AddColorBalanceAdjustmentLayer.psd",
    "01/15/2020 13:02:00",
    0,
    "adobe:docid:photoshop:9312f484-3403-a644-8973-e725abc95fb7",
    false,
    "78a5b588-364f-0940-a2e5-a450a031aa48",
    "AddColorBalanceAdjustmentLayer.psd",
    "AddColorBalanceAdjustmentLayer.psd",
    "8BPS",
    0x4aea,
    7);

// Dieses Beispiel zeigt, wie Eigenschaften der Photoshop Psd LnkeResource abgerufen und festgelegt werden, die Informationen zu einem extern verknüpften CC Libraries-Asset enthält.
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,
    string.Empty,
    false,
    "ec15f0a8-7f13-a640-b928-7d29c6e9859c",
    "rgb8_2x2_linked",
    "rgb8_2x2.png",
    "png",
    0,
    7);

Der folgende Code demonstriert die Unterstützung der LnkeResource-Ressource.

[C#]

void AssertIsTrue(bool condition)
{
    if (!condition)
    {
        throw new FormatException(string.Format("Expected true"));
    }
}

void AssertAreEqual(object actual, object expected)
{
    if (!object.Equals(actual, expected))
    {
        throw new FormatException(string.Format("Actual value {0} are not equal to expected {1}.", actual, expected));
    }
}

object[] ComplexLnkEResourceSupportCases = new object[]
{
    new object[]
    {
        "10fc87d0-688f-1179-9685-9d0a040abdc3",
        @"CC Libraries Asset “OneReview-InDesign-InContextTranslation/or hdr btns” (Feature is available in Photoshop CC 2015)",
        "01/01/0001 00:00:00",
        1463698633541.0d,
        "uuid:8485ca8d-9496-7f4d-9ef7-4243a00d4161",
        "OneReview-InDesign-InContextTranslation",
        "or hdr btns.ai",
        0L,
        "",
        6,
        "unlicensed",
        false,
        0x3b4
    },
    new object[]
    {
        "10fc87cc-688f-1179-9685-9d0a040abdc3",
        @"CC Libraries Asset “OneReview-InDesign-InContextTranslation/cs Id icon” (Feature is available in Photoshop CC 2015)",
        "01/01/0001 00:00:00",
        1463698633512.0d,
        "uuid:c18be832-adf7-4b43-8223-a9740807a66c",
        "OneReview-InDesign-InContextTranslation",
        "cs Id icon.ai",
        0L,
        "",
        6,
        "unlicensed",
        false,
        0x3b0
    },
    new object[]
    {
        "10fef79c-688f-1179-9685-9d0a040abdc3",
        @"CC Libraries Asset “OneReview-InDesign-InContextTranslation/pointer cursor” (Feature is available in Photoshop CC 2015)",
        "01/01/0001 00:00:00",
        1463698633570.0d,
        "uuid:9d7ccaac-f094-214b-8721-1a07ae8700a9",
        "OneReview-InDesign-InContextTranslation",
        "pointer cursor.ai",
        0L,
        "",
        6,
        "unlicensed",
        false,
        0x03c0
    },
    new object[]
    {
        "10fef79a-688f-1179-9685-9d0a040abdc3",
        @"CC Libraries Asset “OneReview-InDesign-InContextTranslation/x” (Feature is available in Photoshop CC 2015)",
        "01/01/0001 00:00:00",
        1463698633555.0d,
        "uuid:b28aa699-21d6-2d4d-a4c7-790234c1b6ba",
        "OneReview-InDesign-InContextTranslation",
        "x.ai",
        0L,
        "",
        6,
        "unlicensed",
        false,
        0x38c
    },
    new object[]
    {
        "10fef79b-688f-1179-9685-9d0a040abdc3",
        @"CC Libraries Asset “OneReview-InDesign-InContextTranslation/modal btns” (Feature is available in Photoshop CC 2015)",
        "01/01/0001 00:00:00",
        1463698633562.0d,
        "uuid:1bd42767-058d-da44-bdee-eada3b9d40a5",
        "OneReview-InDesign-InContextTranslation",
        "modal btns.ai",
        0L,
        "",
        6,
        "unlicensed",
        false,
        0x3b0
    },
    new object[]
    {
        "10fc87cd-688f-1179-9685-9d0a040abdc3",
        @"CC Libraries Asset “OneReview-InDesign-InContextTranslation/cs ppt icon” (Feature is available in Photoshop CC 2015)",
        "01/01/0001 00:00:00",
        1463698633519.0d,
        "uuid:215499ac-ac44-b44d-894b-9ff2c7008d9d",
        "OneReview-InDesign-InContextTranslation",
        "cs ppt icon.ai",
        0L,
        "",
        6,
        "unlicensed",
        false,
        0x3b4
    },
    new object[]
    {
        "10fc87cf-688f-1179-9685-9d0a040abdc3",
        @"CC Libraries Asset “OneReview-InDesign-InContextTranslation/cs AI icon” (Feature is available in Photoshop CC 2015)",
        "01/01/0001 00:00:00",
        1463698633534.0d,
        "uuid:a67964d4-8682-d649-8118-474cb1776264",
        "OneReview-InDesign-InContextTranslation",
        "cs AI icon.ai",
        0L,
        "",
        6,
        "unlicensed",
        false,
        0x3b0
    },
    new object[]
    {
        "10fc87ce-688f-1179-9685-9d0a040abdc3",
        @"CC Libraries Asset “OneReview-InDesign-InContextTranslation/cs PSD icon” (Feature is available in Photoshop CC 2015)",
        "01/01/0001 00:00:00",
        1463698633527.0d,
        "uuid:8e9d5745-9f23-6f49-968e-647a45811bcb",
        "OneReview-InDesign-InContextTranslation",
        "cs PSD icon.ai",
        0L,
        "",
        6,
        "unlicensed",
        false,
        0x3b4
    },
};

void ExampleOfComplexLnkEResourceSupport(string filePath, int length, int length2, object[] dataSourceExpectedValues)
{
    filePath = "PSDNET652_1" + Path.DirectorySeparatorChar + filePath;
    string fileName = Path.GetFileName(filePath);
    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.DataSourceCount, 8);
                AssertAreEqual(lnkeResource.Length, length);
                AssertAreEqual(lnkeResource.IsEmpty, false);

                for (int i = 0; i < lnkeResource.DataSourceCount; i++)
                {
                    LiFeDataSource liFeSource = lnkeResource[i];
                    object[] expected = (object[])dataSourceExpectedValues[i];
                    AssertAreEqual(liFeSource.Type, LinkDataSourceType.liFE);
                    AssertAreEqual(liFeSource.UniqueId, new Guid((string)expected[0]));
                    AssertAreEqual(liFeSource.FullPath, expected[1]);
                    AssertAreEqual(liFeSource.Date.ToString(CultureInfo.InvariantCulture), expected[2]);
                    AssertAreEqual(liFeSource.AssetModTime, expected[3]);
                    AssertAreEqual(liFeSource.ChildDocId, expected[4]);
                    AssertAreEqual(liFeSource.FileName, expected[5]);
                    AssertAreEqual(liFeSource.OriginalFileName, expected[6]);
                    AssertAreEqual(liFeSource.FileSize, expected[7]);
                    AssertAreEqual(liFeSource.FileType, expected[8]);
                    AssertAreEqual(liFeSource.FileCreator.TrimEnd(' '), string.Empty);
                    AssertAreEqual(liFeSource.Version, expected[9]);
                    AssertAreEqual(liFeSource.AdobeStockLicenseState, expected[10]);
                    AssertAreEqual(liFeSource.HasFileOpenDescriptor, (bool)expected[11]);

                    if (liFeSource.HasFileOpenDescriptor)
                    {
                        AssertAreEqual(liFeSource.CompId, -1);
                        AssertAreEqual(liFeSource.OriginalCompId, -1);
                        liFeSource.CompId = int.MaxValue;
                    }

                    liFeSource.FullPath = @"file:///C:/Aspose/net/Aspose.Psd/test/testdata/Images/Psd/SmartObjects/rgb8_2x2.png";
                    liFeSource.FileName = "rgb8_2x23.png";
                    liFeSource.ChildDocId = Guid.NewGuid().ToString();
                    liFeSource.Date = DateTime.Now;
                    liFeSource.AssetModTime = double.MaxValue;
                    liFeSource.FileSize = long.MaxValue;
                    liFeSource.FileType = "test";
                    liFeSource.FileCreator = "file";
                    AssertAreEqual((int)liFeSource.Length, expected[12]);
                }

                AssertAreEqual(lnkeResource.Length, length2);
                break;
            }
        }

        AssertIsTrue(lnkeResource != null);
    }
}

ExampleOfComplexLnkEResourceSupport(
    "OneReview-InDesign-RefreshPreviewIxD(2).psd",
    0x21ac,
    0x1db8,
    ComplexLnkEResourceSupportCases);

Siehe auch