Global Variable

kVTScalingMode_CropSourceToCleanAperture

The source image buffer's clean aperture is scaled to the destination clean aperture.

Declaration

const CFStringRef kVTScalingMode_CropSourceToCleanAperture;

Discussion

The destination pixel aspect ratio is set on the destination image buffer.

See Also

Scaling Modes

kVTScalingMode_Normal

The full width and height of the source image buffer is stretched to the full width and height of the destination image buffer.

kVTScalingMode_Letterbox

The source image buffer's clean aperture is scaled to a rectangle fitted inside the destination clean aperture that preserves the source picture aspect ratio.

kVTScalingMode_Trim

The source image buffer's clean aperture is scaled to a rectangle that completely fills the destination clean aperture and preserves the source picture aspect ratio.