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PHP | Imagick setImageDispose() Function
  • Last Updated : 26 Aug, 2019

The Imagick::setImageDispose() function is an inbuilt function in PHP which is used to sets the image disposal method.

Syntax:

bool Imagick::setImageDispose( $dispose )

Parameters: This function accepts single parameter $dispose which specifies the dispose Imagick object to be set.

Return Value: This function returns True on success.

Below programs illustrate the Imagick::setImageDispose() function in PHP:



Original Image:
https://media.geeksforgeeks.org/wp-content/uploads/geeks-21.png
Program 1:




<?php
  
// Create new Imagick object
$imagick = new Imagick(
  
// Using getImageDispose function
$res = $imagick->getImageDispose();
  
// Display result
echo "dispose Before: " . $res . "</br>";
  
// Set Dispose of Imagick Object
$imagick->setImageDispose(4);
  
// using getImageDispose function
$res = $imagick->getImageDispose();
  
// Display result
echo "dispose After: " . $res;
?>

Output:

dispose Before: 0
dispose After: 4

Original Image:
https://media.geeksforgeeks.org/wp-content/uploads/Screenshot-from-2018-10-16-23-23-54.png
Program 2:




<?php
  
$string = "Computer Science portal for Geeks!"
  
// Creating new image of above String 
// and add color and background 
$im = new Imagick(); 
$draw = new ImagickDraw(); 
  
// Fill the color in image 
$draw->setFillColor(new ImagickPixel('green')); 
  
// Set the text font size 
$draw->setFontSize(50); 
  
$metrix = $im->queryFontMetrics($draw, $string); 
$draw->annotation(0, 40, $string); 
$im->newImage($metrix['textWidth'], $metrix['textHeight'], 
        new ImagickPixel('white')); 
// Draw the image         
$im->drawImage($draw); 
$im->setImageFormat('jpeg');
  
// Using getImageDispose function
$res = $im->getImageDispose();
  
// Display result
echo "dispose Before: " . $res . "</br>";
  
// Set Dispose of Imagick Object
$im->setImageDispose(10);
  
// Using getImageDispose function
$res = $im->getImageDispose();
  
// Display result
echo "dispose After: " . $res;
?>

Output:

dispose Before: 0
dispose After: 10 

Reference: http://php.net/manual/en/imagick.setimagedispose.php

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