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PHP | Imagick colorizeImage() Function

  • Last Updated : 20 Sep, 2019

The Imagick::colorizeImage() function is an inbuilt function in PHP which is used to blends the fill color with each pixel in the image with a specified opacity.

Syntax:

bool Imagick::colorizeImage( mixed $colorize, mixed $opacity, bool $legacy = FALSE )

Parameters: This function accepts three parameters as mentioned above and described below:

  • $colorize: This parameter holds ImagickPixel object or a string which contains the colorize color.
  • $opacity: This parameter holds ImagickPixel object or float which contains the opacity. The value 1.0 represents the fully opaque and 0.0 represents fully transparent.
  • $legacy: This parameter holds a boolean which tells whether legacy behaviour is desired. Keeping it to TRUE is recommended to use string colors.

Return Value: This function returns TRUE on success.

Exceptions: This function throws ImagickException on error.



Below programs illustrate the Imagick::colorizeImage() function in PHP:

Program 1:




<?php
  
// Create a new imagick object
$imagick = new Imagick(
  
// Colorize the image
$imagick->colorizeImage('blue', 1, true);
  
header("Content-Type: image/jpg");
  
// Display the output image
echo $imagick->getImageBlob();
  
?>

Output:

Program 2:




<?php
  
// Create a new imagick object
$imagick = new Imagick(
  
// Colorize the image
$imagick->colorizeImage('orange', 0.5, true);
  
header("Content-Type: image/jpg");
  
// Display the output image
echo $imagick->getImageBlob();
  
?>

Output:

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




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