Class SmartObjectProvider

SmartObjectProvider class

Définit le fournisseur d’objets intelligents qui permet d’obtenir/de définir des sources de données à partir de ressources de liens globales du fichier PSD et de leur contenu.

public class SmartObjectProvider

Méthodes

Nom	La description
ConvertToSmartObject(params int[])	Convertit les calques en un objet intelligent intégré.
ConvertToSmartObject(Layer[])	Convertit les calques en un objet intelligent intégré.
EmbedAllLinked()	Incorpore tous les objets intelligents liés dans l’image.
NewSmartObjectViaCopy(SmartObjectLayer)	Crée un nouveau calque d’objet intelligent en copiant le calque source.
UpdateAllModifiedContent()	Met à jour le contenu de tous les objets intelligents modifiés dans l’image.

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

espace de noms Aspose.PSD.FileFormats.Psd
Assemblée Aspose.PSD

Enum ResourceBlock.ResourceBlockState Enum TextOrientation