PHP | Imagick exportImagePixels() Function

The Imagick::exportImagePixels() function is an inbuilt function in PHP which is used to exports raw image pixels in the form of an array. The map defines the ordering of the exported pixels. The size of the returned array is width*height*strlen(map).

Syntax:

array Imagick::exportImagePixels( $x, $y, $width, $height, $map, $STORAGE )

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

  • $x: It holds the x-coordinate of the exported area.
  • $y: It holds the y-coordinate of the exported area.
  • $width: It holds the width of the exported area.
  • $height: It holds the height of the exported area.
  • $map: It holds the ordering of the exported pixels. For example “RGB”. The valid characters of the map are: R, G, B, A, O, C, Y, M, K, I and P.
  • $STORAGE: It holds the pixel type constants.

Return Value: This function returns an array containing the pixels values.

Program:

filter_none

edit
close

play_arrow

link
brightness_4
code

<?php
  
// Create new Imagick object
$image = new Imagick();
  
// Use newPseudoImage() function
// to create new image
$image->newPseudoImage(0, 0, "magick:rose");
  
// Use exportImagePixels() function
// to export the image pixels
$pixels = $image->exportImagePixels(5, 5, 3, 3, "RGB", Imagick::PIXEL_CHAR);
  
// Display the output array
var_dump($pixels);
  
?>

chevron_right


Output:

array(27) { 
    [0]=> int(51) [1]=> int(47) [2]=> int(44) [3]=> int(50) [4]=> int(45) 
    [5]=> int(42) [6]=> int(45)  [7]=> int(42) [8]=> int(43) [9]=> int(58)
    [10]=> int(50) [11]=> int(46) [12]=> int(56) [13]=> int(48) [14]=> int(45) 
    [15]=> int(51) [16]=> int(46) [17]=> int(44) [18]=> int(66) [19]=> int(58) 
    [20]=> int(56) [21]=> int(65) [22]=> int(57) [23]=> int(53) [24]=> int(61)
    [25]=> int(55) [26]=> int(51) 
}

Reference: https://www.php.net/manual/en/imagick.exportimagepixels.php



My Personal Notes arrow_drop_up

Check out this Author's contributed articles.

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.




Article Tags :
Practice Tags :


Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.