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(   // 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(   // 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
