PHP | Imagick setColorspace() Function

The Imagick::setColorspace() function is an inbuilt function in PHP which is used to set the global colorspace value of an image. Syntax:

bool Imagick::setColorspace( 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 given programs illustrate the Imagick::setColorspace() function in PHP: Program 1: php

<?php

// Create a new imagick object
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-9.png');

// Set the colorspace
$imagick->setColorspace(imagick::COLORSPACE_RGB);

// Get the colorspace
$colorSpace = $imagick->getColorSpace();

// Display the colorspace
echo $colorSpace;
?>

Output:

1

Program 2: php

<?php

// Create a new imagick object
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-9.png');

// Set the colorspace
$imagick->setColorspace(imagick::COLORSPACE_YIQ);

// Get the colorspace
$colorSpace = $imagick->getColorSpace();

// Display the colorspace
echo $colorSpace;
?>

Output:

9

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