Initializes an image object by reading an image from a URL.
- iOS 5.0+
- macOS 10.4+
- Mac Catalyst 13.0+
- tvOS 9.0+
The location of the image file to read.
The initialized image object, or
nil if the object could not be initialized.
Initializing an Image
Initializes an image of infinite extent whose entire content is the specified color.
Initializes an image object with the specified UIKit image object.
Initializes an image object from the contents supplied by a CGLayer object.
Initializes an image object from the contents supplied by a CGLayer object, using the specified options.
A key for the image tiles size. The associated value is an
NSArray that contains
NSNumber objects for the dimensions of the image tiles requested from the image provider.
A key for data needed by the image provider. The associated value is an object that contains the needed data.