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PHP | Gmagick enhanceimage() Function

  • Last Updated : 24 Mar, 2021

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.

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: 



// Create a Gmagick object
$gmagick = new Gmagick(
// Enhance the image.
header('Content-type: image/png');
// Output the image
echo $gmagick;


Program 2: 


// Create a GmagickDraw object
$draw = new GmagickDraw();
// Create GmagickPixel object
$strokeColor = new GmagickPixel('Red');
$fillColor = new GmagickPixel('Green');
// Set the color, opacity of image
// Set the width and height of image
// Function to draw circle 
$draw->circle(250, 250, 100, 150);
$gmagick = new Gmagick();
$gmagick->newImage(500, 500, 'White');
// Enhance the image.
// Display the output image
header("Content-Type: image/png");
echo $gmagick->getImageBlob();



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