The Gmagick::getimageresolution() function is an inbuilt function in PHP which is used to get the resolution of an image object.
Syntax:
array Gmagick::getimageresolution( void )
Parameters: This function does not accept any parameter.
Return Value: This function returns the resolution as an array.
Below program illustrates the Gmagick::getimageresolution() function in PHP:
Original Image 1:
Program 1:
<?php // Create an Gmagick image object $gmagick = new Gmagick( // Getting Resolution of created image // using getimageresolution function $res = $gmagick ->getimageresolution(); echo "X = " . $res [ 'x' ] . "</br>" ; echo "Y = " . $res [ 'y' ] . " </br>" ; ?> |
Output:
X = 37.8 Y = 37.8
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 ->setImageResolution(50, 50); // getting Resolution of created image // using getimageresolution function $res = $im ->getimageresolution(); echo "X = " . $res [ 'x' ] . "</br>" ; echo "Y = " . $res [ 'y' ] . " </br>" ; ?> |
Output:
X = 50 Y = 50
Reference: http://php.net/manual/en/gmagick.getimageresolution.php