Instance Method

canPerformEditOperation:

Returns whether the asset supports the specified editing operation.

Declaration

- (BOOL)canPerformEditOperation:(PHAssetEditOperation)editOperation;

Parameters

editOperation

The operation to be tested.

Return Value

YES if the asset supports the the specified editing operation; otherwise, NO.

Discussion

If an asset supports editing, you can create a PHAssetChangeRequest object inside a PHPhotoLibrary change block to submit a change.

See Also

Editing an Asset

Editing Asset Content

Make a request to modify and save a photo or video asset.

PHContentEditingInput

A container that provides information about and access to the image, video, or Live Photo content of an asset to be edited.

PHContentEditingOutput

A container to which you provide the results of editing the photo, video, or Live Photo content of a Photos asset.

PHAdjustmentData

A description of the edits made to an asset's photo, video, or Live Photo content, which allows your app to reconstruct or revert the effects of prior editing sessions.

PHContentEditingInputRequestOptions

A set of options affecting the delivery of image or video data when you request to edit the content of a Photos asset.

PHLivePhotoEditingContext

An editing session for modifying the photo, video, and audio content of a Live Photo.

PHLivePhotoFrame

A container that provides image content for a single frame of a Live Photo in an editing context.

PHAssetEditOperation

Values identifying possible actions an asset can support, used by the canPerformEditOperation: method.

- requestContentEditingInputWithOptions:completionHandler:

Requests asset information for beginning a content editing session.

- cancelContentEditingInputRequest:

Cancels a request for editing the asset’s content.

PHContentEditingInputRequestID

An identifier for an asset content editing session.

Editing Request Info Keys

Keys indicating the status of an asset content editing request, used in the completion handler of the requestContentEditingInputWithOptions:completionHandler: method.