Mega Code Archive

 

Categories / Php / Graphics

 

Using the imagettfbbox() Function

<?php     define("WIDTH", 300);     define("HEIGHT", 100);     define("F_SIZE", 40);     define("F_ANGLE", 20);     define("F_FONT", "myfont.ttf");     define("F_TEXT", "PHP Unleashed");     $img = imagecreate(WIDTH, HEIGHT);     $white = imagecolorallocate($img, 255,255,255);     $black = imagecolorallocate($img, 0,0,0);     imagerectangle($img, 0,0,WIDTH-1,HEIGHT-1, $black);     $box = imagettfbbox(F_SIZE, F_ANGLE, F_FONT, F_TEXT);     $start_x = (WIDTH/2) - (int)(($box[0] + $box[2] + $box[4] + $box[6])/4);     $start_y = (HEIGHT/2) - (int)(($box[1] + $box[3] + $box[5] + $box[7])/4);     $polygon = array($box[0]+$start_x,                      $box[1]+$start_y,                      $box[2]+$start_x,                      $box[3]+$start_y,                      $box[4]+$start_x,                      $box[5]+$start_y,                      $box[6]+$start_x,                      $box[7]+$start_y);     imagepolygon($img, $polygon, 4, $black);     imageTTFtext($img, F_SIZE, F_ANGLE, $start_x,                  $start_y, $black, F_FONT, F_TEXT);     header("Content-Type: image/png");     imagepng($img); ?>