PHP | Imagick setImageColorspace() Function

The Imagick::setImageColorspace() function is an inbuilt function in PHP which is used to set the image colorspace.

Syntax:

bool Imagick::setImageColorspace( int $colorspace )

Parameters: This function accepts a single parameter $colorspace which holds an integer value corresponding to one of COLORSPACE constants.

• imagick::COLORSPACE_UNDEFINED (0)
• imagick::COLORSPACE_RGB (1)
• imagick::COLORSPACE_GRAY (2)
• imagick::COLORSPACE_TRANSPARENT (3)
• imagick::COLORSPACE_OHTA (4)
• imagick::COLORSPACE_LAB (5)
• imagick::COLORSPACE_XYZ (6)
• imagick::COLORSPACE_YCBCR (7)
• imagick::COLORSPACE_YCC (8)
• imagick::COLORSPACE_YIQ (9)
• imagick::COLORSPACE_YPBPR (10)
• imagick::COLORSPACE_YUV (11)
• imagick::COLORSPACE_CMYK (12)
• imagick::COLORSPACE_SRGB (13)
• imagick::COLORSPACE_HSB (14)
• imagick::COLORSPACE_HSL (15)
• imagick::COLORSPACE_HWB (16)
• imagick::COLORSPACE_REC601LUMA (17)
• imagick::COLORSPACE_REC709LUMA (19)
• imagick::COLORSPACE_LOG (21)
• imagick::COLORSPACE_CMY (22)

Return Value: This function returns TRUE on success.

Exceptions: This function throws ImagickException on error.

Below programs illustrate the Imagick::setImageColorspace() 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 image colorspace
$imagick->setImageColorspace(imagick::COLORSPACE_RGB);

// Display the image
header("Content-Type: image/png");
echo $imagick->getImageBlob();
?>

Output:

Program 2:

<?php

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

// Set the image colorspace
$imagick->setImageColorspace(imagick::COLORSPACE_OHTA);

// Display the image
header("Content-Type: image/png");
echo $imagick->getImageBlob();
?>

Output:

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