The Gmagick::blurimage() function is an inbuilt function in PHP which is used to add blur filter to the image.
Syntax:
Gmagick Gmagick::blurimage( $radius, $sigma, $channel )
Parameters: This function accepts three parameters as mentioned above and described below:
- $radius: This parameter is used to set blur radius in an image.
- $sigma: It sets the standard deviation.
- $channel: This parameter set the channel type constant. If it is not supplied then all channels are blurred.
Return Value: This function returns True on success.
Errors/Exceptions: This function throws GmagickException on error. Below programs illustrates the Gmagick::blurimage() function in PHP:
Original Image:
Program 1:
php
<?php // Create a Gmagick object $gmagick = new Gmagick( // Use blurimage() function $gmagick->blurimage(7, 8);header('Content-type: image/png'); // Output the image echo $gmagick; ?> |
Output:
Program 2:
php
<?php // Create a GmagickDraw object $draw = new GmagickDraw(); // Create GmagickPixel object $strokeColor = new GmagickPixel('Red'); $fillColor = new GmagickPixel('Green'); // Set the color, opacity of image $draw->setStrokeOpacity(1); $draw->setStrokeColor('Red'); $draw->setFillColor('Green'); // Set the width and height of image $draw->setStrokeWidth(7); $draw->setFontSize(72); // Function to draw circle $draw->circle(250, 250, 100, 150); $gmagick = new Gmagick(); $gmagick->newImage(500, 500, 'White'); $gmagick->setImageFormat("png"); $gmagick->drawImage($draw); // Use blurimage() function $gmagick->blurimage(7, 5);// Display the output image header("Content-Type: image/png"); echo $gmagick->getImageBlob(); ?> |
Output:
