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Versions of the Aperture SDK

The Aperture 2.1 SDK introduces the ability to build Edit plug-ins. These plug-ins are compatible with the Edit functionality built into Aperture 2.1 and later.

The Aperture 1.5.5 SDK lets you create plug-ins that run under Aperture 1.5 or later. Aperture 1.5.1 introduced several changes to the ApertureExportManager protocol that are not available in Aperture 1.5. In particular, version 2 of the ApertureExportManager protocol includes changes for hierarchical keywords, thumbnails, and image properties. Specifically:

• You can now obtain a dictionary of image properties that does not include a thumbnail by using propertiesWithoutThumbnailForImageAtIndex:.

• You can now obtain various sizes of a given thumbnail using the method thumbnailForImageAtIndex:size: and the constants kExportThumbnailSizeThumbnail, kExportThumbnailSizeMini, and kExportThumbnailSizeTiny.

• The dictionary returned from propertiesForImageAtIndex: and propertiesWithoutThumbnailForImageAtIndex includes an object containing the hierarchy of each keyword attached to the image. The key for that object is kExportKeyHierarchicalKeywords.

• You can now add keywords to an image, including the full hierarchy for each keyword using addHierarchicalKeywords:toImageAtIndex:.

Before using any of the updated Export functionality, your plug-in must first check whether version 2 of the ApertureExportManager protocol is supported by the version of Aperture the plug-in is currently running under. To do this, you can call the following method from the PROAPIAccessing header file:

- (BOOL)conformsToProtocol:(Protocol *)aProtocol version:(unsigned int)versionNumber;

For example, you can decide which SDK features to use based on the results of calling this method:

if ([_exportManager conformsToProtocol:@protocol(ApertureExportManager) version:2])

    // Use Export API features only available in Aperture 1.5.1 and later

else

    // Use Export API features available in Aperture 1.5 and later

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