ImagickPixelIterator::setIteratorRow

(PECL imagick 2, PECL imagick 3)

ImagickPixelIterator::setIteratorRowSet the pixel iterator row

Description

public ImagickPixelIterator::setIteratorRow(int $row): bool
Warning

This function is currently not documented; only its argument list is available.

Set the pixel iterator row.

Parameters

row

Return Values

Returns true on success.

Examples

Example #1 ImagickPixelIterator::setIteratorRow()

<?php
function setIteratorRow($imagePath) {
    
$imagick = new \Imagick(realpath($imagePath));
    
$imageIterator $imagick->getPixelRegionIterator(200100200200);

    for (
$x 0$x 20$x++) {        
        
$imageIterator->setIteratorRow($x 5);
        
$pixels $imageIterator->getCurrentIteratorRow();
        
/* Loop through the pixels in the row (columns) */
        
foreach ($pixels as $pixel) {
            
/** @var $pixel \ImagickPixel */
            /* Paint every second pixel black*/
            
$pixel->setColor("rgba(0, 0, 0, 0)"); 
        }

        
/* Sync the iterator, this is important to do on each iteration */
        
$imageIterator->syncIterator();
    }

    
header("Content-Type: image/jpg");
    echo 
$imagick;
}

?>

Here you can write a comment


Please enter at least 10 characters.
Loading... Please wait.
* Pflichtangabe
There are no comments available yet.

PHP cURL Tutorial: Using cURL to Make HTTP Requests

cURL is a powerful PHP extension that allows you to communicate with different servers using various protocols, including HTTP, HTTPS, FTP, and more. ...

TheMax

Autor : TheMax
Category: PHP-Tutorials

Midjourney Tutorial - Instructions for beginners

There is an informative video about Midjourney, the tool for creating digital images using artificial intelligence, entitled "Midjourney tutorial in German - instructions for beginners" ...

Mike94

Autor : Mike94
Category: KI Tutorials

Basics of views in MySQL

Views in a MySQL database offer the option of creating a virtual table based on the result of an SQL query. This virtual table can be queried like a normal table without changing the underlying data. ...

admin

Autor : admin
Category: mySQL-Tutorials

Publish a tutorial

Share your knowledge with other developers worldwide

Share your knowledge with other developers worldwide

You are a professional in your field and want to share your knowledge, then sign up now and share it with our PHP community

learn more

Publish a tutorial