PHP | Imagick thresholdImage() Function
The Imagick::thresholdImage() function is an inbuilt function in PHP which is used to changes the value of individual pixels based on the threshold value.
Syntax:
bool Imagick::thresholdImage( $threshold, $channel )
Parameters: This function accepts two parameters as mentioned above and described below:
- $threshold: This parameter set the threshold value.
- $channel: This parameter set the channel of image. CHANNEL_DEFAULT is used as a default channel.
Return Value: This function returns True on success.
Below program illustrates the Imagick::thresholdImage() function in PHP:
Program:
<?php
$imagick = new Imagick(
$imagick ->thresholdimage(0.5, 2);
header( "Content-Type: image/jpg" );
echo $imagick ->getImageBlob();
?>
|
Output:
Related Articles:
Reference: http://php.net/manual/en/imagick.thresholdimage.php
Last Updated :
26 Aug, 2019
Like Article
Save Article
Share your thoughts in the comments
Please Login to comment...