<?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
 * @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: $Id$
 * @link       http://pear.php.net/package/Image_Graph
 */

/**
 * Include file Image/Graph.php
 */
require_once 'Image/Graph.php';

/**
 * Class for simple creation of graphs
 *
 * @category   Images
 * @package    Image_Graph
 * @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_Simple extends Image_Graph
{

    /**
     * Image_Graph_Simple [Constructor]
     *
     * @param int $width The width of the graph in pixels
     * @param int $height The height of the graph in pixels
     */
    function Image_Graph_Simple($width, $height, $plotType, $data, $title, $lineColor = 'black', $fillColor = 'white', $font = false)
    {
        parent::Image_Graph($width, $height);

        $plotarea =& Image_Graph::factory('plotarea');

        $dataset =& Image_Graph::factory('dataset', array($data));

        if ($font === false) {
            $font =& Image_Graph::factory('Image_Graph_Font');
        } elseif (is_string($font)) {
            $font =& Image_Graph::factory('ttf_font', $font);
            $font->setSize(8);
        }

        $this->setFont($font);

        $this->add(
            Image_Graph::vertical(
                Image_Graph::factory('title',
                    array(
                        $title,
                        array('size_rel' => 2)
                    )
                ),
                $plotarea,
                10
            )
        );

        $plotarea->addNew('line_grid', array(), IMAGE_GRAPH_AXIS_Y);

        $plot =& $plotarea->addNew($plotType, array(&$dataset));
        $plot->setLineColor($lineColor);
        $plot->setFillColor($fillColor);

        $axisX =& $plotarea->getAxis(IMAGE_GRAPH_AXIS_X);
        $axisX->showLabel(
            IMAGE_GRAPH_LABEL_MINIMUM +
            IMAGE_GRAPH_LABEL_ZERO +
            IMAGE_GRAPH_LABEL_MAXIMUM
        );

    }

    /**
     * Factory method to create the Image_Simple_Graph object.
     */
    function &factory($width, $height, $plotType, $data, $title, $lineColor = 'black', $fillColor = 'white', $font = false)
    {
        $obj =& Image_Graph::factory('Image_Graph_Simple',
            array(
                $width,
                $height,
                $plotType,
                $data,
                $title,
                $lineColor,
                $fillColor,
                $font
            )
        );
        return $obj;
    }

}
?>