This repository has been archived on 2024-04-08.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/Grid/Lines.php

114 lines
3.6 KiB
PHP
Raw Normal View History

<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* Image_Graph - PEAR PHP OO Graph Rendering Utility.
*
* 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 Grid
* @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: Lines.php,v 1.10 2005/08/24 20:36:04 nosey Exp $
* @link http://pear.php.net/package/Image_Graph
*/
/**
* Include file Image/Graph/Grid.php
*/
require_once 'Image/Graph/Grid.php';
/**
* Display a line grid on the plotarea.
*
* {@link Image_Graph_Grid}
*
* @category Images
* @package Image_Graph
* @subpackage Grid
* @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_Grid_Lines extends Image_Graph_Grid
{
/**
* GridLines [Constructor]
*/
function Image_Graph_Grid_Lines()
{
parent::Image_Graph_Grid();
$this->_lineStyle = 'lightgrey';
}
/**
* Output the grid
*
* @return bool Was the output 'good' (true) or 'bad' (false).
* @access private
*/
function _done()
{
if (parent::_done() === false) {
return false;
}
if (!$this->_primaryAxis) {
return false;
}
$this->_canvas->startGroup(get_class($this));
$value = false;
$secondaryPoints = $this->_getSecondaryAxisPoints();
while (($value = $this->_primaryAxis->_getNextLabel($value)) !== false) {
reset($secondaryPoints);
list ($id, $previousSecondaryValue) = each($secondaryPoints);
while (list ($id, $secondaryValue) = each($secondaryPoints)) {
if ($this->_primaryAxis->_type == IMAGE_GRAPH_AXIS_Y) {
$p1 = array ('X' => $secondaryValue, 'Y' => $value);
$p2 = array ('X' => $previousSecondaryValue, 'Y' => $value);
} else {
$p1 = array ('X' => $value, 'Y' => $secondaryValue);
$p2 = array ('X' => $value, 'Y' => $previousSecondaryValue);
}
$x1 = $this->_pointX($p1);
$y1 = $this->_pointY($p1);
$x2 = $this->_pointX($p2);
$y2 = $this->_pointY($p2);
$previousSecondaryValue = $secondaryValue;
$this->_getLineStyle();
$this->_canvas->line(array('x0' => $x1, 'y0' => $y1, 'x1' => $x2, 'y1' => $y2));
}
}
$this->_canvas->endGroup();
return true;
}
}
?>