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