Instance Method

initWithCGImage:

Initializes and returns the image object with the specified Quartz image reference.

Declaration

- (instancetype)initWithCGImage:(CGImageRef)cgImage;

Parameters

CGImage

A Quartz image reference.

Return Value

An initialized UIImage object, or nil if the method could not initialize the image from the specified data.

See Also

Creating and Initializing Image Objects

+ imageWithContentsOfFile:

Creates and returns an image object by loading the image data from the file at the specified path.

+ imageWithData:

Creates and returns an image object that uses the specified image data.

+ imageWithData:scale:

Creates and returns an image object that uses the specified image data and scale factor.

+ imageWithCGImage:

Creates and returns an image object representing the specified Quartz image.

+ imageWithCGImage:scale:orientation:

Creates and returns an image object with the specified scale and orientation factors.

+ imageWithCIImage:

Creates and returns an image object that contains a Core Image object.

+ imageWithCIImage:scale:orientation:

Creates and returns an image object based on a Core Image object and the specified attributes.

- initWithContentsOfFile:

Initializes and returns the image object with the contents of the specified file.

- initWithData:

Initializes and returns the image object with the specified data.

- initWithData:scale:

Initializes and returns the image object with the specified data and scale factor.

- initWithCGImage:scale:orientation:

Initializes and returns an image object with the specified scale and orientation factors

- initWithCIImage:

Initializes and returns an image object with the specified Core Image object.

- initWithCIImage:scale:orientation:

Initializes and returns an image object with the specified Core Image object and properties.