This repository has been archived on 2024-04-08. You can view files and clone it, but cannot push or open issues or pull requests.
khosb/includes/pear/Image/Graph/Logo.php
2008-11-26 14:50:40 -08:00

153 lines
4.3 KiB
PHP

<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* Image_Graph - Main class for the graph creation.
*
* 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_Graph
* @subpackage Logo
* @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: Logo.php,v 1.9 2005/08/24 20:35:56 nosey Exp $
* @link http://pear.php.net/package/Image_Graph
*/
/**
* Include file Image/Graph/Element.php
*/
require_once 'Image/Graph/Element.php';
/**
* Displays a logo on the canvas.
*
* By default the logo is displayed in the top-right corner of the canvas.
*
* @category Images
* @package Image_Graph
* @subpackage Logo
* @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/package/Image_Graph
*/
class Image_Graph_Logo extends Image_Graph_Element
{
/**
* The file name
* @var stirng
* @access private
*/
var $_filename;
/**
* The GD Image resource
* @var resource
* @access private
*/
var $_image;
/**
* Alignment of the logo
* @var int
* @access private
*/
var $_alignment;
/**
* Logo [Constructor]
*
* @param string $filename The filename and path of the image to use for logo
*/
function Image_Graph_Logo($filename, $alignment = IMAGE_GRAPH_ALIGN_TOP_RIGHT)
{
parent::Image_Graph_Element();
$this->_filename = $filename;
$this->_alignment = $alignment;
}
/**
* Sets the parent. The parent chain should ultimately be a GraPHP object
*
* @see Image_Graph
* @param Image_Graph_Common $parent The parent
* @access private
*/
function _setParent(& $parent)
{
parent::_setParent($parent);
$this->_setCoords(
$this->_parent->_left,
$this->_parent->_top,
$this->_parent->_right,
$this->_parent->_bottom
);
}
/**
* Output the logo
*
* @return bool Was the output 'good' (true) or 'bad' (false).
* @access private
*/
function _done()
{
if (parent::_done() === false) {
return false;
}
$align = array();
if ($this->_alignment & IMAGE_GRAPH_ALIGN_LEFT) {
$x = $this->_parent->_left + 2;
$align['horizontal'] = 'left';
} elseif ($this->_alignment & IMAGE_GRAPH_ALIGN_RIGHT) {
$x = $this->_parent->_right - 2;
$align['horizontal'] = 'right';
} else {
$x = ($this->_parent->_left + $this->_parent->_right) / 2;
$align['horizontal'] = 'center';
}
if ($this->_alignment & IMAGE_GRAPH_ALIGN_TOP) {
$y = $this->_parent->_top + 2;
$align['vertical'] = 'top';
} elseif ($this->_alignment & IMAGE_GRAPH_ALIGN_BOTTOM) {
$y = $this->_parent->_bottom - 2;
$align['vertical'] = 'bottom';
} else {
$y = ($this->_parent->_top + $this->_parent->_bottom) / 2;
$align['vertical'] = 'center';
}
$this->_canvas->image(
array(
'x' => $x,
'y' => $y,
'filename' => $this->_filename,
'alignment' => $align
)
);
return true;
}
}
?>