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PHP | Gmagick chopimage() Function
  • Last Updated : 22 Mar, 2021

The Gmagick::chopimage() function is an inbuilt function in PHP which is used to remove the region of an image and trim it. This function accepts the dimension of image and chops the area and the dimension from where the image is to be trim.
Syntax: 
 

Gmagick Gmagick::chopimage( $width, $height, $x, $y )

Parameters: This function accepts four parameters as mentioned above and described below: 
 

  • $width: This parameter holds the width of the chopped area.
  • $height: This parameter holds the height of the chopped area.
  • $x: This parameter holds the x-origin of the chopped area.
  • $y: This parameter holds the y-origin of the chopped area.

Return Value: This function returns chopped Gmagick object.
Errors/Exceptions: This function throws GmagickException on error.
Below programs illustrate the Gmagick::chopimage() function in PHP:
Program 1: 
Original Image: 
 

 



php




<?php
   
// Create a Gmagick object
$gmagick = new Gmagick(
   
// Use chopimage() function
$gmagick->chopimage(45, 20, 45, 300);
 
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 chopimage() function
$gmagick->chopimage(45, 20, 75, 200);
 
// Display the output image
header("Content-Type: image/png");
echo $gmagick->getImageBlob();
?>

Output: 
 

Reference: http://php.net/manual/en/gmagick.chopimage.php
 




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