FingerImage.downscaleTo Method¶

Definition¶

Downscales the image so that its maximum dimension equals the given maximum size, while preserving the aspect ratio.

Note

If the maximum dimension is already smaller than the given maximum size, the function does nothing and the returned scale ratio is 1.

double downscaleTo(FingerImage dstFingerImage, int maxSize)

Parameters

dstFingerImage FingerImage
in Destination image.

maxSize int
in Maximum image size, in pixels. The value must be greater than 0.

Returns

double

The scaling ratio applied to the image. Range is ]0:1].

Exceptions

FingerException

An error has occurred during Finger Library execution.