The Gmagick::embossimage() function is an inbuilt function in PHP which is used to return a grayscale image with a three-dimensional effect. This function uses the Gaussian operator of the given radius and standard deviation to filter the image.
Syntax:
Gmagick Gmagick::embossimage( $radius, $sigma )
Parameters: This function accepts two parameters as mentioned above and described below:
- $radius: This parameter holds the value of radius effect.
- $sigma: This parameter holds the value of sigma effect.
Return Value: This function returns embossed Gmagick object.
Errors/Exceptions: This function throws GmagickException on error.
Below programs illustrates the Gmagick::embossimage() function in PHP:
Program 1:
Original Image:
php
<?php // Create a Gmagick object $gmagick = new Gmagick(// Emboss the image.$gmagick->embossimage(12, 5);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); // Emboss the image.$gmagick->embossimage(15, 6); // Display the output image header("Content-Type: image/png"); echo $gmagick->getImageBlob(); ?> |
Output:
Reference: http://php.net/manual/en/gmagick.embossimage.php
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