129 lines
3.9 KiB
PHP
129 lines
3.9 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 - PEAR PHP OO Graph Rendering Utility.
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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 Line
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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: Array.php,v 1.7 2005/02/21 20:49:42 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/Common.php
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*/
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require_once 'Image/Graph/Common.php';
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/**
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* A sequential array of linestyles.
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*
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* This is used for multiple objects within the same element with different line
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* styles. This is done by adding multiple line styles to a LineArrray
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* structure. The linearray will then when requested return the 'next' linestyle
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* in sequential order. It is possible to specify ID tags to each linestyle,
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* which is used to make sure some data uses a specific linestyle (i.e. in a
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* multiple-/stackedbarchart you name the {@link Image_Graph_Dataset}s and uses
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* this name as ID tag when adding the dataset's associated linestyle to the
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* linearray.
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*
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* @category Images
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* @package Image_Graph
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* @subpackage Line
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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_Line_Array extends Image_Graph_Common
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{
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/**
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* The fill array
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* @var array
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* @access private
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*/
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var $_lineStyles = array ();
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/**
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* Add a line style to the array
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*
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* @param Image_Graph_Line $style The style to add
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*/
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function add(& $style, $id = false)
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{
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if (is_a($style, 'Image_Graph_Element')) {
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parent::add($style);
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}
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if ($id === false) {
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$this->_lineStyles[] =& $style;
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} else {
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$this->_lineStyles[$id] =& $style;
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}
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reset($this->_lineStyles);
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}
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/**
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* Add a color to the array
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*
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* @param int $color The color
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* @param string $id The id or name of the color
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*/
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function addColor($color, $id = false)
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{
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if ($id !== false) {
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$this->_lineStyles[$id] = $color;
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} else {
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$this->_lineStyles[] = $color;
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}
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reset($this->_lineStyles);
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}
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/**
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* Return the linestyle
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*
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* @return int A GD Linestyle
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* @access private
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*/
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function _getLineStyle($ID = false)
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{
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if (($ID === false) || (!isset($this->_lineStyles[$ID]))) {
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$ID = key($this->_lineStyles);
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if (!next($this->_lineStyles)) {
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reset($this->_lineStyles);
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}
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}
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$lineStyle =& $this->_lineStyles[$ID];
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if (is_object($lineStyle)) {
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return $lineStyle->_getLineStyle($ID);
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} elseif ($lineStyle !== null) {
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return $lineStyle;
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} else {
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return parent::_getLineStyle($ID);
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}
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}
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}
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?>
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