FingerImage.correctGamma Method

Module: FingerImage

Definition

Applies a gamma correction to the image.

correct_gamma(self, contrast: int, brightness: int, gamma: float) -> None

Parameters

contrast int
in Contrast coefficient, from -255 to 255, to be applied to the image.

brightness int
in Brightness coefficient, from -255 to 255, to be applid to the image.

gamma float
in Gamma coefficient, from 0.25 to 2.50, to be applied to the image.

Exceptions

FingerException
An error has occurred during Finger Library execution.
void correctGamma(int contrast, int brightness, double gamma)

Parameters

contrast int
in Contrast coefficient, from -255 to 255, to be applied to the image.

brightness int
in Brightness coefficient, from -255 to 255, to be applid to the image.

gamma double
in Gamma coefficient, from 0.25 to 2.50, to be applied to the image.

Exceptions

FingerException
An error has occurred during Finger Library execution.
public void CorrectGamma(int contrast, int brightness, float gamma)

Parameters

contrast int
in Contrast coefficient, from -255 to 255, to be applied to the image.

brightness int
in Brightness coefficient, from -255 to 255, to be applid to the image.

gamma float
in Gamma coefficient, from 0.25 to 2.50, to be applied to the image.

Exceptions

FingerException
An error has occurred during Finger Library execution.
public void correctGamma(int contrast, int brightness, float gamma) throws FingerException

Parameters

contrast int
in Contrast coefficient, from -255 to 255, to be applied to the image.

brightness int
in Brightness coefficient, from -255 to 255, to be applid to the image.

gamma float
in Gamma coefficient, from 0.25 to 2.50, to be applied to the image.

Exceptions

FingerException
An error has occurred during Finger Library execution.
public func correctGamma(contrast: Int32, brightness: Int32, gamma: Float) throws

Parameters

contrast Int32
in Contrast coefficient, from -255 to 255, to be applied to the image.

brightness Int32
in Brightness coefficient, from -255 to 255, to be applid to the image.

gamma Float
in Gamma coefficient, from 0.25 to 2.50, to be applied to the image.

Exceptions

FingerException
An error has occurred during Finger Library execution.
int id3FingerImage_CorrectGamma (
    ID3_FINGER_IMAGE hFingerImage,
    int contrast,
    int brightness,
    float gamma)

Parameters

hFingerImage ID3_FINGER_IMAGE
in Handle to the FingerImage object.

contrast int
in Contrast coefficient, from -255 to 255, to be applied to the image.

brightness int
in Brightness coefficient, from -255 to 255, to be applid to the image.

gamma float
in Gamma coefficient, from 0.25 to 2.50, to be applied to the image.

Returns

int
An error code.
See id3FingerError file for the list of possible error codes.