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khosb/includes/pear/Image/Canvas/GD/PNG.php
2008-11-26 14:50:40 -08:00

125 lines
3.8 KiB
PHP

<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* Image_Canvas
*
* Canvas class to handle PNG format.
*
* PHP versions 4 and 5
*
* LICENSE: This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version. This library is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
* General Public License for more details. You should have received a copy of
* the GNU Lesser General Public License along with this library; if not, write
* to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
*
* @category Images
* @package Image_Canvas
* @author Jesper Veggerby <pear.nosey@veggerby.dk>
* @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen
* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
* @version CVS: $Id: PNG.php,v 1.3 2005/08/24 20:37:34 nosey Exp $
* @link http://pear.php.net/pepr/pepr-proposal-show.php?id=212
*/
/**
* Include file Image/Canvas/GD.php
*/
require_once 'Image/Canvas/GD.php';
/**
* PNG Canvas class.
*
* @category Images
* @package Image_Canvas
* @author Jesper Veggerby <pear.nosey@veggerby.dk>
* @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen
* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
* @version Release: @package_version@
* @link http://pear.php.net/pepr/pepr-proposal-show.php?id=212
*/
class Image_Canvas_GD_PNG extends Image_Canvas_GD
{
/**
* Create the PNG canvas
*
* @param array $param Parameter array
*/
function Image_Canvas_GD_PNG($param)
{
parent::Image_Canvas_GD($param);
if ((isset($param['transparent'])) && ($param['transparent']) &&
($this->_gd2)
) {
if ($param['transparent'] === true) {
$transparent = '#123ABD';
} else {
$transparent = $param['transparent'];
}
$color = $this->_color($transparent);
$trans = ImageColorTransparent($this->_canvas, $color);
$this->rectangle(
array(
'x0' => $this->_left,
'y0' => $this->_top,
'x1' => $this->_left + $this->_width - 1,
'y1' => $this->_top + $this->_height - 1,
'fill' => 'opague',
'line' => 'transparent'
)
);
} else {
$this->rectangle(
array(
'x0' => $this->_left,
'y0' => $this->_top,
'x1' => $this->_left + $this->_width - 1,
'y1' => $this->_top + $this->_height - 1,
'fill' => 'white',
'line' => 'transparent'
)
);
}
}
/**
* Output the result of the canvas
*
* @param array $param Parameter array
* @abstract
*/
function show($param = false)
{
parent::show($param);
header('Content-type: image/png');
header('Content-Disposition: inline; filename = \"'. basename($_SERVER['PHP_SELF'], '.php') . '.png\"');
ImagePNG($this->_canvas);
ImageDestroy($this->_canvas);
}
/**
* Output the result of the canvas
*
* @param array $param Parameter array
* @abstract
*/
function save($param = false)
{
parent::save($param);
ImagePNG($this->_canvas, $param['filename']);
ImageDestroy($this->_canvas);
}
}
?>