The Gmagick::enhanceimage() function is an inbuilt function in PHP which is used to improve the quality of a noisy image. This function applies the digital filter to improve quality.
Syntax:
Gmagick Gmagick::enhanceimage( void )
Parameters: This function does not accepts any parameter.
Return Value: This function returns enhanced Gmagick object.
Errors/Exceptions: This function throws GmagickException on error.
Below programs illustrate the Gmagick::enhanceimage() function in PHP:
Program 1:
Original Image:
php
<?php // Create a Gmagick object $gmagick = new Gmagick(// Enhance the image.$gmagick->enhanceimage();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); // Enhance the image.$gmagick->enhanceimage(); // Display the output image header("Content-Type: image/png"); echo $gmagick->getImageBlob(); ?> |
Output:
Reference: http://php.net/manual/en/gmagick.enhanceimage.php
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