note 105829 added to function.imagick-queryfontmetrics

This script will print a watermark on the middle of an image. The width of the watermark will depend on the width of the image. <?php // Create a new Imagick object $objImage = new Imagick( 'path/to/image.jpg' ); // Get the width and height of the image $imgSize = $objImage->getImageGeometry(); $imgWidth = $imgSize['width']; $imgHeight = $imgSize['height']; // Create a new text object $objText = new ImagickDraw(); // Set te text color $objText->setFillColor( new ImagickPixel('grey') ); // Set the text transparency: 0 = transparent, 1 = opaque $objText->setFillAlpha( 0.2 ); // Top left will be point of reference $objText->setGravity( Imagick::GRAVITY_NORTHWEST ); // Create an array for the textwidth and textheight $textProperties = array( 'textWidth' => 0 ); // Set the desired width of the watermark to 90% of the image width $textDesiredWidth = intval( $imgWidth * 0.9 ); // Set an initial value for the fontsize, will be increased in the loop below $fontSize = 0; // We use the domain name of the server for the watermark text $text = $_SERVER['SERVER_NAME']; // Increase the fontsize until we have reached our desired width while ( $textProperties['textWidth'] <= $textDesiredWidth ) { $objText->setFontSize( $fontSize ); $textProperties = $objImage->queryFontMetrics( $objText, $text ); $fontSize++; } // Calculate the horizontal starting position $watermarkPosX = intval( ($imgWidth - $textProperties['textWidth']) / 2 ); // Calculate the vertical starting position $watermarkPosY = floor( ($imgHeight - $textProperties['textHeight']) / 2 ); // Composite the text on the image $objImage->annotateImage( $objText, $watermarkPosX, $watermarkPosY, 0, $text ); // The browser must know this is JPEG image or else it will display garbled text header( 'Content-Type: image/jpeg' ); // Display the image echo $objImage; ?> ---- Server IP: 69.147.83.197 Probable Submitter: 213.46.158.110 ---- Manual Page -- http://www.php.net/manual/en/function.imagick-queryfontmetrics.php Edit -- https://master.php.net/note/edit/105829 Del: integrated -- https://master.php.net/note/delete/105829/integrated Del: useless -- https://master.php.net/note/delete/105829/useless Del: bad code -- https://master.php.net/note/delete/105829/bad+code Del: spam -- https://master.php.net/note/delete/105829/spam Del: non-english -- https://master.php.net/note/delete/105829/non-english Del: in docs -- https://master.php.net/note/delete/105829/in+docs Del: other reasons-- https://master.php.net/note/delete/105829 Reject -- https://master.php.net/note/reject/105829 Search -- https://master.php.net/manage/user-notes.php