Instance Property

resolutionHeightDPI

The resolution height of this image in DPI.

Declaration

var resolutionHeightDPI: NSNumber? { get set }

See Also

Describing Images

var isoSpeed: NSNumber?

The ISO speed setting for the camera at the time the image was captured.

var acquisitionMake: String?

The manufacturer of the device that was used to capture the image.

var acquisitionModel: String?

The model of the device that was used to capture the image.

var aperture: NSNumber?

The size of the lens aperture at the time the image was captured, as a log-scale APEX value.

var bitsPerSample: NSNumber?

The number of bits per sample.

var cameraOwner: String?

The owner of the camera used to capture the image.

var colorSpace: String?

The color space model used in this image, such as RGB, CMYK, YUV, or YCbCr.

var flashOn: NSNumber?

A value that indicates if the flash was used to capture the image.

var focalLength: NSNumber?

The actual focal length of the lens in millimeters.

var focalLength35mm: NSNumber?

A value that indicates if the focal length is 35mm.

var layerNames: [String]?

An array that contains the names of the various layers in the file.

var lensModel: String?

The model of the lens used to capture this image.

var orientation: NSNumber?

The orientation of the data.

var pixelCount: NSNumber?

The total number of pixels in the image.

var pixelHeight: NSNumber?

The height of the item, such as image or video frame height, in pixels.

var pixelWidth: NSNumber?

The width of the item, such as image or video frame width, in pixels.

var whiteBalance: NSNumber?

The white balance setting of the camera when the image was acquired.

var exifgpsVersion: String?

The version of GPS Info IFD header that was used to generate the metadata for the image.

var exifVersion: String?

The version of the EXIF header that was used to generate the metadata for the image.

var exposureMode: NSNumber?

The mode that was used for the exposure for the image.

var exposureProgram: String?

The class of the program used by the camera to set exposure when the image is captured.

var exposureTime: NSNumber?

The time that the lens was open during exposure, in seconds.

var exposureTimeString: String?

The time that the lens was open during exposure, in a string, such as "1/250 seconds".

var fNumber: NSNumber?

The focal length of the lens divided by the diameter of the aperture when the image was captured.

var hasAlphaChannel: NSNumber?

Indicates if the image file has an alpha channel.

var maxAperture: NSNumber?

The smallest F number of the lens.

var meteringMode: String?

The metering mode.

var profileName: String?

The name of the color profile used for the image.

var redEyeOn: NSNumber?

A value that indicates if red-eye reduction was used when the image was captured.

var resolutionWidthDPI: NSNumber?

The resolution width of this image in DPI.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

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