Instance Property

resolutionHeightDPI

The resolution height of this image in DPI.

Declaration

@property(strong) NSNumber *resolutionHeightDPI;

See Also

Describing Images

ISOSpeed

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

acquisitionMake

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

acquisitionModel

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

aperture

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

bitsPerSample

The number of bits per sample.

cameraOwner

The owner of the camera used to capture the image.

colorSpace

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

flashOn

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

focalLength

The actual focal length of the lens in millimeters.

focalLength35mm

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

layerNames

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

lensModel

The model of the lens used to capture this image.

orientation

The orientation of the data.

pixelCount

The total number of pixels in the image.

pixelHeight

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

pixelWidth

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

whiteBalance

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

EXIFGPSVersion

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

EXIFVersion

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

exposureMode

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

exposureProgram

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

exposureTime

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

exposureTimeString

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

fNumber

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

hasAlphaChannel

Indicates if the image file has an alpha channel.

maxAperture

The smallest F number of the lens.

meteringMode

The metering mode.

profileName

The name of the color profile used for the image.

redEyeOn

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

resolutionWidthDPI

The resolution width of this image in DPI.