The Imagick::setImageMatte() function is an inbuilt function in PHP which is used to set the matte channel of an Imagick object.
Syntax:
bool Imagick::setImageMatte( $matte )
Parameters: This function accepts single parameter $matte. If the parameter set to True then it activate the matte channel and if the parameter set to False then it disable the matte channel.
Return Value: This function returns True on success.
Below programs illustrate the Imagick::setImageMatte() function in PHP:
Original Image:
Program 1:
<?php // Create new Imagick object $imagick = new Imagick( // Using getImageMatte function $res = $imagick->getImageMatte(); // Display result echo "Matte Before: " . $res . "</br>"; // Set Image matte true. // If it set to false then matte will // disable and return nothing when // using getimagematte function $imagick->setImageMatte(true); // Using getImageMatte function $res = $imagick->getImageMatte(); // Display result echo "Matte After: " . $res . "</br>"; ?> |
Output:
Matte Before: 1 Matte After: 1
Original Image:
Program 2:
<?php $string = "Computer Science portal for Geeks!"; // Creating new image of above String // and add color $im = new Imagick(); $draw = new ImagickDraw(); // Fill the color in image $draw->setFillColor(new ImagickPixel('green')); // Set the text font size $draw->setFontSize(50); $metrix = $im->queryFontMetrics($draw, $string); $draw->annotation(0, 40, $string); $im->newImage($metrix['textWidth'], $metrix['textHeight'], new ImagickPixel('white')); // Draw the image $im->drawImage($draw); $im->setImageFormat('jpeg'); // Using getImageMatte function $res = $im->getImageMatte(); // Display result echo "Matte Before: " . $res . "</br>"; // Set Image matte true/false or (0/1) // if set false then matte will disable // and return nothing when // using getimagematte function $im->setImageMatte(false); // Using getImageMatte function $res = $im->getImageMatte(); // Display result echo "Matte After: " . $res . "</br>"; ?> |
Output:
Matte Before: 1 Matte After:
Reference: http://php.net/manual/en/imagick.setimagematte.php
Whether you’re preparing for your first job interview or aiming to upskill in this ever-evolving tech landscape, neveropen Courses are your key to success. We provide top-quality content at affordable prices, all geared towards accelerating your growth in a time-bound manner. Join the millions we’ve already empowered, and we’re here to do the same for you. Don’t miss out – check it out now!
