The Gmagick::getimagedepth() function is an inbuilt function in PHP which is used to gets the depth of the image.
Syntax:
int Gmagick::getimagedepth( void )
Parameters: This function does not accepts any parameter.
Return Value: This function returns the depth of image.
Below programs illustrate the Gmagick::getimagedepth() function in PHP:
Original Image 1:
Program 1:
<?php // require_once('vendor/autoload.php'); // Create an Gmagick Object $image = new Gmagick( // Use getimagedepth function to calculate image depth $height = $image->getimagedepth(); // Display the depth of image print_r($height); ?> |
Output:
8
Original Image 2:
Program 2:
<?php $string = "Computer Science portal for Geeks!"; // Creating new image of above String // and add color and background $im = new Gmagick(); $draw = new GmagickDraw(); // Fill the color in image $draw->setFillColor(new GmagickPixel('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 GmagickPixel('white')); // Draw the image $im->drawImage($draw); $im->setImageFormat('jpeg'); $dpth = $im->getimagedepth(); // Display the depth of image print_r($dpth); ?> |
Output:
8
Reference: http://php.net/manual/en/gmagick.getimagedepth.php
