SmartObjectLayer.EmbedLinked

SmartObjectLayer.EmbedLinked method

Incorpore l’objet intelligent lié dans ce calque.

public void EmbedLinked()

Exemples

Le code suivant illustre la prise en charge de la mise à jour des objets intelligents liés.

[C#]

void AssertAreEqual(object actual, object expected)
{
    var areEqual = object.Equals(actual, expected);
    if (!areEqual && actual is Array && expected is Array)
    {
        var actualArray = (Array)actual;
        var expectedArray = (Array)actual;
        if (actualArray.Length == expectedArray.Length)
        {
            for (int i = 0; i < actualArray.Length; i++)
            {
                if (!object.Equals(actualArray.GetValue(i), expectedArray.GetValue(i)))
                {
                    break;
                }
            }

            areEqual = true;
        }
    }

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

// Cet exemple montre comment mettre à jour la couche d'objet intelligent externe ou intégrée à l'aide de ces méthodes :
// RelinkToFile, UpdateModifiedContent, ExportContents
ExampleOfUpdatingSmartObjectLayer("rgb8_2x2_linked2.psd", 0x53, 0, 0, 2, 2, FileFormat.Png);
ExampleOfUpdatingSmartObjectLayer("r-embedded-png.psd", 0x207, 0, 0, 0xb, 0x10, FileFormat.Png);

void ExampleOfUpdatingSmartObjectLayer(
    string filePath,
    int contentsLength,
    int left,
    int top,
    int right,
    int bottom,
    FileFormat format)
{
    // Cet exemple montre comment modifier le calque d'objet intelligent dans le fichier PSD et exporter/mettre à jour son contenu.
    string fileName = Path.GetFileNameWithoutExtension(filePath);
    string dataDir = "updating_output" + Path.DirectorySeparatorChar;
    filePath = filePath;
    string pngOutputPath = dataDir + fileName + "_modified.png";
    string png2OutputPath = dataDir + fileName + "_updated_modified.png";
    string psd2OutputPath = dataDir + fileName + "_updated_modified.psd";
    string exportPath = dataDir + fileName + "_exported." + GetFormatExt(format);
    using (PsdImage image = (PsdImage)Image.Load(filePath))
    {
        var smartObjectLayer = (SmartObjectLayer)image.Layers[0];
        var contentType = smartObjectLayer.ContentType;
        AssertAreEqual(contentsLength, smartObjectLayer.Contents.Length);
        AssertAreEqual(left, smartObjectLayer.ContentsBounds.Left);
        AssertAreEqual(top, smartObjectLayer.ContentsBounds.Top);
        AssertAreEqual(right, smartObjectLayer.ContentsBounds.Right);
        AssertAreEqual(bottom, smartObjectLayer.ContentsBounds.Bottom);

        if (contentType == SmartObjectType.AvailableLinked)
        {
            Directory.CreateDirectory(Path.GetDirectoryName(exportPath));
            // Exportons l'image de l'objet intelligent externe du calque d'objet intelligent PSD vers un nouvel emplacement
            // car nous allons le modifier.
            smartObjectLayer.ExportContents(exportPath);
            smartObjectLayer.RelinkToFile(exportPath);
        }

        // Inversons le contenu de l'objet intelligent : image interne (non mise en cache)
        using (var innerImage = (RasterImage)smartObjectLayer.LoadContents(new LoadOptions()))
        {
            InvertImage(innerImage);
            using (var stream = new MemoryStream())
            {
                innerImage.Save(stream);
                smartObjectLayer.Contents = stream.ToArray();
            }
        }

        // Vérifions si le contenu modifié n'affecte pas encore le rendu.
        image.Save(pngOutputPath, new PngOptions() { ColorType = PngColorType.TruecolorWithAlpha });

        smartObjectLayer.UpdateModifiedContent();

        // Vérifions si le contenu mis à jour affecte le rendu et si l'image psd est correctement enregistrée
        image.Save(psd2OutputPath, new PsdOptions(image));
        image.Save(png2OutputPath, new PngOptions() { ColorType = PngColorType.TruecolorWithAlpha });
    }
}

// Cet exemple montre comment convertir l'objet intelligent intégré en contenu lié externe à l'aide de la méthode ConvertToLinked.
ExampleOfEmbeddedSmartObjectLayerToLinkedConversion("new_panama-papers-4.psd", 0x10caa, 0, 0, 0x280, 0x169, FileFormat.Jpeg);
ExampleOfEmbeddedSmartObjectLayerToLinkedConversion("r3-embedded.psd", 0x207, 0, 0, 0xb, 0x10, FileFormat.Png);
ExampleOfEmbeddedSmartObjectLayerToLinkedConversion("r-embedded-tiff.psd", 0xca94, 0, 0, 0xb, 0x10, FileFormat.Tiff);
ExampleOfEmbeddedSmartObjectLayerToLinkedConversion("r-embedded-bmp.psd", 0x278, 0, 0, 0xb, 0x10, FileFormat.Bmp);
ExampleOfEmbeddedSmartObjectLayerToLinkedConversion("r-embedded-gif.psd", 0x3ec, 0, 0, 0xb, 0x10, FileFormat.Gif);
ExampleOfEmbeddedSmartObjectLayerToLinkedConversion("r-embedded-jpeg.psd", 0x327, 0, 0, 0xb, 0x10, FileFormat.Jpeg);
ExampleOfEmbeddedSmartObjectLayerToLinkedConversion("r-embedded-jpeg2000.psd", 0x519f, 0, 0, 0xb, 0x10, FileFormat.Jpeg2000);
ExampleOfEmbeddedSmartObjectLayerToLinkedConversion("r-embedded-psd.psd", 0xc074, 0, 0, 0xb, 0x10, FileFormat.Psd);
ExampleOfEmbeddedSmartObjectLayerToLinkedConversion("r-embedded-png.psd", 0x207, 0, 0, 0xb, 0x10, FileFormat.Png);

void ExampleOfEmbeddedSmartObjectLayerToLinkedConversion(
    string filePath,
    int contentsLength,
    int left,
    int top,
    int right,
    int bottom,
    FileFormat format)
{
    // Cela montre comment convertir un calque d'objet intelligent intégré dans le fichier PSD en un calque externe.
    var formatExt = GetFormatExt(format);
    string fileName = Path.GetFileNameWithoutExtension(filePath);
    string dataDir = "to_linked_output" + Path.DirectorySeparatorChar;
    filePath = filePath;
    string pngOutputPath = dataDir + fileName + "_to_external.png";
    string psdOutputPath = dataDir + fileName + "_to_external.psd";
    string externalPath = dataDir + fileName + "_external." + formatExt;
    using (PsdImage image = (PsdImage)Image.Load(filePath))
    {
        Directory.CreateDirectory(Path.GetDirectoryName(externalPath));
        var smartObjectLayer = (SmartObjectLayer)image.Layers[0];
        smartObjectLayer.ConvertToLinked(externalPath);

        AssertAreEqual(contentsLength, smartObjectLayer.Contents.Length);
        AssertAreEqual(left, smartObjectLayer.ContentsBounds.Left);
        AssertAreEqual(top, smartObjectLayer.ContentsBounds.Top);
        AssertAreEqual(right, smartObjectLayer.ContentsBounds.Right);
        AssertAreEqual(bottom, smartObjectLayer.ContentsBounds.Bottom);
        AssertAreEqual(SmartObjectType.AvailableLinked, smartObjectLayer.ContentType);

        // Vérifions si l'image convertie est correctement enregistrée
        image.Save(psdOutputPath, new PsdOptions(image));
        image.Save(pngOutputPath, new PngOptions() { ColorType = PngColorType.TruecolorWithAlpha });
    }

    using (PsdImage image = (PsdImage)Image.Load(psdOutputPath))
    {
        var smartObjectLayer = (SmartObjectLayer)image.Layers[0];
        AssertAreEqual(contentsLength, smartObjectLayer.Contents.Length);
        AssertAreEqual(left, smartObjectLayer.ContentsBounds.Left);
        AssertAreEqual(top, smartObjectLayer.ContentsBounds.Top);
        AssertAreEqual(right, smartObjectLayer.ContentsBounds.Right);
        AssertAreEqual(bottom, smartObjectLayer.ContentsBounds.Bottom);
        AssertAreEqual(SmartObjectType.AvailableLinked, smartObjectLayer.ContentType);
    }
}

// Cet exemple montre comment incorporer un calque d'objet intelligent externe ou tous les calques liés dans le fichier PSD à l'aide de la méthode EmbedLinked.
ExampleOfLinkedSmartObjectLayerToEmbeddedConversion("rgb8_2x2_linked.psd", 0x53, 0, 0, 2, 2, FileFormat.Png);
ExampleOfLinkedSmartObjectLayerToEmbeddedConversion("rgb8_2x2_linked2.psd", 0x53, 0, 0, 2, 2, FileFormat.Png);
void ExampleOfLinkedSmartObjectLayerToEmbeddedConversion(
    string filePath,
    int contentsLength,
    int left,
    int top,
    int right,
    int bottom,
    FileFormat format)
{
    string fileName = Path.GetFileNameWithoutExtension(filePath);
    string dataDir = "to_embedded_output" + Path.DirectorySeparatorChar;
    filePath = filePath;
    string pngOutputPath = dataDir + fileName + "_to_embedded.png";
    string psdOutputPath = dataDir + fileName + "_to_embedded.psd";
    using (PsdImage image = (PsdImage)Image.Load(filePath))
    {
        var smartObjectLayer0 = (SmartObjectLayer)image.Layers[0];
        smartObjectLayer0.EmbedLinked();
        AssertAreEqual(contentsLength, smartObjectLayer0.Contents.Length);
        AssertAreEqual(left, smartObjectLayer0.ContentsBounds.Left);
        AssertAreEqual(top, smartObjectLayer0.ContentsBounds.Top);
        AssertAreEqual(right, smartObjectLayer0.ContentsBounds.Right);
        AssertAreEqual(bottom, smartObjectLayer0.ContentsBounds.Bottom);
        if (image.Layers.Length >= 2)
        {
            var smartObjectLayer1 = (SmartObjectLayer)image.Layers[1];
            AssertAreEqual(SmartObjectType.Embedded, smartObjectLayer0.ContentType);
            AssertAreEqual(SmartObjectType.AvailableLinked, smartObjectLayer1.ContentType);

            image.SmartObjectProvider.EmbedAllLinked();
            foreach (Layer layer in image.Layers)
            {
                var smartLayer = layer as SmartObjectLayer;
                if (smartLayer != null)
                {
                    AssertAreEqual(SmartObjectType.Embedded, smartLayer.ContentType);
                }
            }
        }

        Directory.CreateDirectory(Path.GetDirectoryName(psdOutputPath));
        // Vérifions si l'image convertie est correctement enregistrée
        image.Save(psdOutputPath, new PsdOptions(image));
        image.Save(pngOutputPath, new PngOptions() { ColorType = PngColorType.TruecolorWithAlpha });
    }

    using (PsdImage image = (PsdImage)Image.Load(psdOutputPath))
    {
        var smartObjectLayer = (SmartObjectLayer)image.Layers[0];
        AssertAreEqual(contentsLength, smartObjectLayer.Contents.Length);
        AssertAreEqual(left, smartObjectLayer.ContentsBounds.Left);
        AssertAreEqual(top, smartObjectLayer.ContentsBounds.Top);
        AssertAreEqual(right, smartObjectLayer.ContentsBounds.Right);
        AssertAreEqual(bottom, smartObjectLayer.ContentsBounds.Bottom);
        AssertAreEqual(SmartObjectType.Embedded, smartObjectLayer.ContentType);
    }
}

// Cet exemple montre comment modifier le calque d'objet intelligent externe Adobe® Photoshop® et exporter/mettre à jour son contenu
// en utilisant les méthodes ExportContents et ReplaceContents.
ExampleOfExternalSmartObjectLayerSupport("rgb8_2x2_linked.psd", 0x53, 0, 0, 2, 2, FileFormat.Png);
ExampleOfExternalSmartObjectLayerSupport("rgb8_2x2_linked2.psd", 0x4aea, 0, 0, 10, 10, FileFormat.Psd);
void ExampleOfExternalSmartObjectLayerSupport(string filePath, int contentsLength, int left, int top, int right, int bottom, FileFormat format)
{
    string formatExt = GetFormatExt(format);
    string fileName = Path.GetFileNameWithoutExtension(filePath);
    string dataDir = "external_support_output" + Path.DirectorySeparatorChar;
    filePath = filePath;
    string pngOutputPath = dataDir + fileName + ".png";
    string psdOutputPath = dataDir + fileName + ".psd";
    string linkOutputPath = dataDir + fileName + "_inverted." + formatExt;
    string png2OutputPath = dataDir + fileName + "_updated.png";
    string psd2OutputPath = dataDir + fileName + "_updated.psd";
    string exportPath = dataDir + fileName + "_export." + formatExt;
    using (PsdImage image = (PsdImage)Image.Load(filePath))
    {
        var smartObjectLayer = (SmartObjectLayer)image.Layers[image.Layers.Length - 1];
        AssertAreEqual(left, smartObjectLayer.ContentsBounds.Left);
        AssertAreEqual(top, smartObjectLayer.ContentsBounds.Top);
        AssertAreEqual(right, smartObjectLayer.ContentsBounds.Right);
        AssertAreEqual(bottom, smartObjectLayer.ContentsBounds.Bottom);
        AssertAreEqual(contentsLength, smartObjectLayer.Contents.Length);
        AssertAreEqual(SmartObjectType.AvailableLinked, smartObjectLayer.ContentType);

        Directory.CreateDirectory(Path.GetDirectoryName(exportPath));
        // Exportons l'image de l'objet intelligent lié à partir du calque d'objet intelligent PSD
        smartObjectLayer.ExportContents(exportPath);

        // Vérifions si l'image d'origine est bien enregistrée
        image.Save(psdOutputPath, new PsdOptions(image));
        image.Save(pngOutputPath, new PngOptions() { ColorType = PngColorType.TruecolorWithAlpha });

        using (var innerImage = (RasterImage)smartObjectLayer.LoadContents(null))
        {
            AssertAreEqual(format, innerImage.FileFormat);

            // Inversons l'image de l'objet intelligent lié
            InvertImage(innerImage);
            innerImage.Save(linkOutputPath);

            // Remplaçons l'image de l'objet intelligent lié dans le calque PSD
            smartObjectLayer.ReplaceContents(linkOutputPath);
        }

        // Vérifions si l'image mise à jour est correctement enregistrée
        image.Save(psd2OutputPath, new PsdOptions(image));
        image.Save(png2OutputPath, new PngOptions() { ColorType = PngColorType.TruecolorWithAlpha });
    }
}

// Inverse l'image.
void InvertImage(RasterImage innerImage)
{
    var innerPsdImage = innerImage as PsdImage;
    if (innerPsdImage != null)
    {
        InvertRasterImage(innerPsdImage.Layers[0]);
    }
    else
    {
        InvertRasterImage(innerImage);
    }
}

// Inverse l'image raster.
void InvertRasterImage(RasterImage innerImage)
{
    var pixels = innerImage.LoadArgb32Pixels(innerImage.Bounds);
    for (int i = 0; i < pixels.Length; i++)
    {
        var pixel = pixels[i];
        var alpha = (int)(pixel & 0xff000000);
        pixels[i] = (~(pixel & 0x00ffffff)) | alpha;
    }

    innerImage.SaveArgb32Pixels(innerImage.Bounds, pixels);
}

// Obtient l'extension de format.
string GetFormatExt(FileFormat format)
{
    string formatExt = format == FileFormat.Jpeg2000 ? "jpf" : format.ToString().ToLowerInvariant();
    return formatExt;
}

Voir également

• class SmartObjectLayer
• espace de noms Aspose.PSD.FileFormats.Psd.Layers.SmartObjects
• Assemblée Aspose.PSD