PHP | ImagickPixel setColor() function

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The ImagickPixel::setColor() function is an inbuilt function in PHP which is used to set the color of the ImagickPixel object.

Syntax:

bool ImagickPixel::setColor( string $color )

Parameters:This function accepts a single parameter $color which holds the color.

Return Value: This function returns TRUE on success.

Exceptions: This function throws ImagickException on error.

Below given programs illustrate the ImagickPixel::setColor() function in PHP:
Program 1:

<?php 
// Create a new imagickPixel object 
$imagickPixel = new ImagickPixel(); 
  
// Set the color 
$imagickPixel->setColor('#428554'); 
  
// Get the color 
$color = $imagickPixel->getColor(); 
print("<pre>".print_r($color, true)."</pre>"); 
?> 

Output:

Array
(
    [r] => 66
    [g] => 133
    [b] => 84
    [a] => 1
)

Program 2:

<?php 
// Create a new imagick object 
$imagick = new Imagick( 
    'https://media.zambiatek.com/wp-content/uploads/zambiatek-13.png'); 
  
// Get the pixel iterator to iterate through each pixel 
$imageIterator = $imagick->getPixelIterator(); 
  
// Loop through pixel rows 
foreach ($imageIterator as $row => $pixels) { 
    // Loop through the pixels in the row 
    if ($row % 5) { 
        foreach ($pixels as $column => $pixel) { 
            if ($column % 5) { 
                // Set the color 
                $pixel->setColor("green"); 
            } 
        } 
    } 
  
    // Sync the iterator after each iteration 
    $imageIterator->syncIterator(); 
} 
  
header("Content-Type: image/jpg"); 
echo $imagick; 
?> 

Output:

Reference: https://www.php.net/manual/en/imagickpixel.setcolor.php

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