LinearStringDrawer.class.php

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00001 <?php
00002 /***************************************************************************
00003  *   Copyright (C) 2004-2007 by Dmitry E. Demidov                          *
00004  *                                                                         *
00005  *   This program is free software; you can redistribute it and/or modify  *
00006  *   it under the terms of the GNU Lesser General Public License as        *
00007  *   published by the Free Software Foundation; either version 3 of the    *
00008  *   License, or (at your option) any later version.                       *
00009  *                                                                         *
00010  ***************************************************************************/
00011 /* $Id: LinearStringDrawer.class.php 4687 2007-12-09 18:57:18Z voxus $ */
00012 
00016     final class LinearStringDrawer extends TextDrawer
00017     {
00021         public function draw($string)
00022         {
00023             $maxHeight = $this->getMaxCharacterHeight();
00024             $y = round($this->getTuringImage()->getHeight() / 2 + $maxHeight / 2);
00025             
00026             $textWidth = $this->getTextWidth($string);
00027             
00028             if ($this->getTuringImage()->getWidth() <= $textWidth)
00029                 return $this->showError();
00030             
00031             $x = round(($this->getTuringImage()->getWidth() - $textWidth) / 2);
00032             $angle = 0;
00033             
00034             for ($i = 0, $length = strlen($string); $i < $length; ++$i) {
00035                 $character = $string[$i];
00036                 $this->drawCraracter($angle, $x, $y, $character);
00037                 $x += $this->getStringWidth($character) + $this->getSpace();
00038             }
00039             
00040             return $this;
00041         }
00042     }
00043 ?>

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