The Imagick::setImageInterlaceScheme() function is an inbuilt function in PHP which is used to set the interlace scheme of image.
Syntax:
bool Imagick::setImageInterlaceScheme( int $interlace_scheme )
Parameters: This function accepts a single parameter $interlace_scheme which corresponds to one of INTERLACE constants. You can directly pass the constant like
$imagick->setImageInterlaceScheme(imagick::INTERLACE_LINE); also.
List of INTERLACE constants are given below:
- imagick::INTERLACE_UNDEFINED (0)
- imagick::INTERLACE_NO (1)
- imagick::INTERLACE_LINE (2)
- imagick::INTERLACE_PLANE (3)
- imagick::INTERLACE_PARTITION (4)
- imagick::INTERLACE_GIF (5)
- imagick::INTERLACE_JPEG (6)
- imagick::INTERLACE_PNG (7)
Return Value: This function returns TRUE on success.
Exceptions: This function throws ImagickException on error.
Below programs illustrate the Imagick::setImageInterlaceScheme() function in PHP:
Program 1:
php
<?php// Create a new imagick object$imagick = new Imagick(// Set the Interlace Scheme$imagick->setImageInterlaceScheme(imagick::INTERLACE_JPEG);// Display the imageecho $imagick->getImageInterlaceScheme();?> |
Output:
6
Program 2:
php
<?php// Create a new imagick object$imagick = new Imagick(// Set the Interlace Scheme$imagick->setImageInterlaceScheme(imagick::INTERLACE_PARTITION);// Display the imageecho $imagick->getImageInterlaceScheme();?> |
Output:
4
Reference: https://www.php.net/manual/en/imagick.setimageinterlacescheme.php
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