PHP | Imagick setImageVirtualPixelMethod() Function

The Imagick::setImageVirtualPixelMethod() function is an inbuilt function in PHP which is used to set the image virtual pixel method.

Syntax:

bool Imagick::setImageVirtualPixelMethod( int $method )

Parameters:This function accepts a single parameter $method which contains an integer value corresponding to one of the VIRTUALPIXELMETHOD constants. We can also pass the constant directly like setImageVirtualPixelMethod(imagick::VIRTUALPIXELMETHOD_BLACK);.

All VIRTUALPIXELMETHOD constants are given below:

• imagick::VIRTUALPIXELMETHOD_UNDEFINED (0)
• imagick::VIRTUALPIXELMETHOD_BACKGROUND (1)
• imagick::VIRTUALPIXELMETHOD_CONSTANT (2)
• imagick::VIRTUALPIXELMETHOD_EDGE (4)
• imagick::VIRTUALPIXELMETHOD_MIRROR (5)
• imagick::VIRTUALPIXELMETHOD_TILE (7)
• imagick::VIRTUALPIXELMETHOD_TRANSPARENT (8)
• imagick::VIRTUALPIXELMETHOD_MASK (9)
• imagick::VIRTUALPIXELMETHOD_BLACK (10)
• imagick::VIRTUALPIXELMETHOD_GRAY (11)
• imagick::VIRTUALPIXELMETHOD_WHITE (12)
• imagick::VIRTUALPIXELMETHOD_HORIZONTALTILE (13)
• imagick::VIRTUALPIXELMETHOD_VERTICALTILE (14)

Return Value: This function returns TRUE on success.

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

Program 1:

<?php

// Create a new imagick object
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-13.png');

// Set the Virtual Pixel Method
$imagick->setImageVirtualPixelMethod(imagick::VIRTUALPIXELMETHOD_BLACK);

// Get the Virtual Pixel Method
$virtualPixelMethod = $imagick->getImageVirtualPixelMethod();
echo $virtualPixelMethod;
?>

Output:

 10 // Which corresponds to imagick::VIRTUALPIXELMETHOD_BLACK.

Program 2:

<?php

// Create a new Imagick object
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-13.png');

// Set the Virtual Pixel Method
$imagick->setImageVirtualPixelMethod(imagick::VIRTUALPIXELMETHOD_TILE);

// Get the Virtual Pixel Method
$virtualPixelMethod = $imagick->getImageVirtualPixelMethod();
echo $virtualPixelMethod;
?>

Output:

 7 // Which corresponds to imagick::VIRTUALPIXELMETHOD_TILE.

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