The
imagegammacorrect() function is an inbuilt function in PHP which is used to apply gamma correction to the given image given an input and an output gamma.
Syntax:
bool imagegammacorrect( resource $image, float $inputgamma, float $outputgamma )
Parameters:This function accepts three parameters as mentioned above and described below:
- $image: It specifies the image to be worked upon.
- $inputgamma: It specifies the input gamma.
- $outputgamma: It specifies the output gamma.
Return Value: This function returns TRUE on success or FALSE on failure.
Exceptions: This function throws Exception on error.
Below given programs illustrate the
imagegammacorrect() function in PHP:
Program 1:
Output:
👁 Image
Program 2:
Output:
👁 Image
Reference: https://www.php.net/manual/en/function.imagegammacorrect.php