The Imagick::paintTransparentImage() function is an inbuilt function in PHP which is used to change any pixel that matches the color with the defined color.
Syntax:
bool Imagick::paintTransparentImage( $target, $alpha, $fuzz )
Parameters: This function accepts three parameters as mentioned above and described below:
- $target: It contains the value of target color to change the specified opacity value within the given range.
- $alpha: It contains the floating point value ranging from 0.0(fully transparent) to 1.0(fully opaque).
- $fuzz: It defines how much the tolerance is accepted to consider the two colors as the same.
Return Value: This function returns True on success.
Errors/Exceptions: This function throws ImagickException on error.
Below program illustrates the Imagick::paintTransparentImage() function in PHP:
Program:
<?php   // Create a new Imagick object $imagick = new \Imagick(   // Cloning the imagick object $paintit = clone $imagick;   $quantum = $imagick->getQuantumDepth()['quantumDepthLong'];   // Use Imagick::paintTransparentImage() function function // change the pixel color $paintit->paintTransparentImage("White", 0.2, 0.5 *$quantum);   header("Content-Type: image/jpg");   // Display the output image echo $paintit->getImageBlob();   ?> |
Output:
Reference: https://www.php.net/manual/en/imagick.painttransparentimage.php
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