The Imagick::identifyImage() function is an inbuilt function in PHP which is used to identify an image and return its attributes. Attributes contain image width, height, size, and others.
Syntax:
array Imagick::identifyImage( $appendRawOutput )
Parameters: This function accepts single parameter $appendRawOutput which is used to stores the value TRUE/FALSE. If it set to TRUE then the raw output is appended to the array.
Return Value: This function returns the image attributes.
Original Image:
Below program illustrates the Imagick::identifyImage() function in PHP:
Program 1:
php
<?php // require_once('path/vendor/autoload.php'); // Create an Imagick Object $imagick = new \Imagick( // Use identifyImage Function var_dump ( $imagick ->identifyImage()); ?> |
Output:
array(11) { ["imageName"]=> string(0) "" ["mimetype"]=> string(9) "image/png" ["format"]=> string(31) "PNG (Portable Network Graphics)" ["units"]=> string(19) "PixelsPerCentimeter" ["type"]=> string(14) "TrueColorAlpha" ["colorSpace"]=> string(4) "sRGB" ["compression"]=> string(3) "Zip" ["fileSize"]=> string(6) "45.4KB" ["geometry"]=> array(2) { ["width"]=> int(667) ["height"]=> int(184) } ["resolution"]=> array(2) { ["x"]=> float(37.8) ["y"]=> float(37.8) } ["signature"]=> string(64) "f64054f5bcb4cfb82c6126eff6d3d4e6be7d0e72d5620033442cecb4b9feabbd" }
Program 2:
php
<?php $string = "Computer Science portal for Geeks!" ; // Creating new image of above String // and add color and background $im = new Imagick(); $draw = new ImagickDraw(); // Fill the color in image $draw ->setFillColor( new ImagickPixel( 'green' )); // Set the text font size $draw ->setFontSize(50); $matrix = $im ->queryFontMetrics( $draw , $string ); $draw ->annotation(0, 40, $string ); $im ->newImage( $matrix [ 'textWidth' ], $matrix [ 'textHeight' ], new ImagickPixel( 'white' )); // Draw the image $im ->drawImage( $draw ); // identifyImage Function var_dump ( $im ->identifyImage()); ?> |
Output:
array(10) { ["imageName"]=> string(0) "" ["mimetype"]=> string(8) "image/x-" ["units"]=> string(9) "Undefined" ["type"]=> string(12) "PaletteAlpha" ["colorSpace"]=> string(4) "sRGB" ["compression"]=> string(9) "Undefined" ["fileSize"]=> string(2) "0B" ["geometry"]=> array(2) { ["width"]=> int(797) ["height"]=> int(62) } ["resolution"]=> array(2) { ["x"]=> float(0) ["y"]=> float(0) } ["signature"]=> string(64) "7c71a28f88b25287580277af67861eaa6f02bd5e473c88aa3bc5c046a761491d" }
Reference: http://php.net/manual/en/imagick.identifyimage.php