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  "title" : "Image Buffer Display Dimensions Keys"
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# Image Buffer Display Dimensions Keys

Keys that describe the display dimensions of an image buffer.

## Discussion

Define these key-value pairs in a <doc://com.apple.documentation/documentation/CoreFoundation/CFDictionary> instance and use the [`kCVImageBufferDisplayDimensionsKey`](/documentation/CoreVideo/kCVImageBufferDisplayDimensionsKey) key to attach it to the image buffer.

## Topics

### Constants

[`let kCVImageBufferDisplayWidthKey: CFString`](/documentation/CoreVideo/kCVImageBufferDisplayWidthKey)

A key to the display width of the image buffer.

[`let kCVImageBufferDisplayHeightKey: CFString`](/documentation/CoreVideo/kCVImageBufferDisplayHeightKey)

A key to the display height of the image buffer.


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