119 lines
3.6 KiB
PHP
119 lines
3.6 KiB
PHP
<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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* Image_Canvas
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*
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* Canvas class to handle JPEG format.
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*
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* PHP versions 4 and 5
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*
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* LICENSE: This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or (at your
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* option) any later version. This library is distributed in the hope that it
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
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* General Public License for more details. You should have received a copy of
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* the GNU Lesser General Public License along with this library; if not, write
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* to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307 USA
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*
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* @category Images
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* @package Image_Canvas
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* @author Jesper Veggerby <pear.nosey@veggerby.dk>
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* @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen
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* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
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* @version CVS: $Id: JPG.php,v 1.2 2005/08/24 20:37:34 nosey Exp $
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* @link http://pear.php.net/pepr/pepr-proposal-show.php?id=212
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*/
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/**
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* Include file Image/Canvas/GD.php
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*/
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require_once 'Image/Canvas/GD.php';
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/**
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* JPEG Canvas class.
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*
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* @category Images
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* @package Image_Canvas
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* @author Jesper Veggerby <pear.nosey@veggerby.dk>
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* @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen
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* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
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* @version Release: @package_version@
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* @link http://pear.php.net/pepr/pepr-proposal-show.php?id=212
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*/
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class Image_Canvas_GD_JPG extends Image_Canvas_GD
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{
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/**
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* The JPEG quality
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* @var int
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* @access private
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*/
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var $_quality = 75;
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/**
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* Create the JPEG canvas
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*
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* Additional parameters other than those available for common {@link
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* Image_Graph_Canvas_GD} class are:
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*
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* 'quality' The JPEG quality in as a percentage value from 0 (lowest
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* quality, smallest file) to 100 (highest quality, biggest file)
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*
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* @param array $param Parameter array
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*/
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function Image_Canvas_GD_JPG($param)
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{
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parent::Image_Canvas_GD($param);
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if (isset($param['quality'])) {
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$this->_quality = max(0, min(100, $param['quality']));
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}
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$this->rectangle(
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array(
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'x0' => $this->_left,
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'y0' => $this->_top,
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'x1' => $this->_left + $this->_width - 1,
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'y1' => $this->_top + $this->_height - 1,
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'fill' => 'white',
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'line' => 'transparent'
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)
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);
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}
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/**
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* Output the result of the canvas
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*
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* @param array $param Parameter array
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* @abstract
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*/
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function show($param = false)
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{
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parent::show($param);
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header('Content-type: image/jpg');
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header('Content-Disposition: inline; filename = \"'. basename($_SERVER['PHP_SELF'], '.php') . '.jpg\"');
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ImageJPEG($this->_canvas, '', $this->_quality);
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ImageDestroy($this->_canvas);
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}
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/**
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* Output the result of the canvas
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*
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* @param array $param Parameter array
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* @abstract
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*/
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function save($param = false)
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{
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parent::save($param);
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ImageJPEG($this->_canvas, $param['filename'], $this->_quality);
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ImageDestroy($this->_canvas);
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}
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}
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?>
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