The Imagick::setImageType() function is an inbuilt function in PHP which is used to set the image type.
Syntax:
bool Imagick::setImageType( int $image_type )
Parameters: This function accepts a single parameter $image_type which contains an integer value corresponding to one of IMGTYPE constants. We can also pass the constant directly like setImageType(imagick::IMGTYPE_GRAYSCALE);.
All the IMGTYPE constants are listed below:
- imagick::IMGTYPE_UNDEFINED (0)
- imagick::IMGTYPE_BILEVEL (1)
- imagick::IMGTYPE_GRAYSCALE (2)
- imagick::IMGTYPE_GRAYSCALEMATTE (3)
- imagick::IMGTYPE_PALETTE (4)
- imagick::IMGTYPE_PALETTEMATTE (5)
- imagick::IMGTYPE_TRUECOLOR (6)
- imagick::IMGTYPE_TRUECOLORMATTE (7)
- imagick::IMGTYPE_COLORSEPARATION (8)
- imagick::IMGTYPE_COLORSEPARATIONMATTE (9)
- imagick::IMGTYPE_OPTIMIZE (10)
Return Value: This function returns TRUE on success.
Below programs illustrate the Imagick::setImageType() function in PHP:
Program 1:
php
<?php// Create a new imagick object$imagick = new Imagick(// Set the Image Type to imagick::IMGTYPE_GRAYSCALEMATTE$imagick->setImageType(3);// Display the imageheader("Content-Type: image/png");echo $imagick->getImageBlob();?> |
Output:
Program 2:
php
<?php// Create a new imagick object$imagick = new Imagick(// Set the Image Type to imagick::IMGTYPE_BILEVEL$imagick->setImageType(1);// Display the imageheader("Content-Type: image/png");echo $imagick->getImageBlob();?> |
Output:
Reference: https://www.php.net/manual/en/imagick.setimagetype.php
