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PHP | Imagick setImageColorspace() Function

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  • Last Updated : 19 Dec, 2019
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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(
   
// 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(
   
// 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


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