fae6352bf2
Removed PHP_Compat, and references to it. Removed ionCube/Zend/mmCache compatibility checks in test.php script. Changed minimum PHP requirement to 5.0 in test.php script.
243 lines
7.6 KiB
PHP
243 lines
7.6 KiB
PHP
<?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 Plotarea
|
|
* @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: Radar.php,v 1.8 2006/02/28 22:48:07 nosey Exp $
|
|
* @link http://pear.php.net/package/Image_Graph
|
|
*/
|
|
|
|
/**
|
|
* Include file Image/Graph/Plotarea.php
|
|
*/
|
|
require_once 'Image/Graph/Plotarea.php';
|
|
|
|
/**
|
|
* Plot area used for radar plots.
|
|
*
|
|
* @category Images
|
|
* @package Image_Graph
|
|
* @subpackage Plotarea
|
|
* @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_Plotarea_Radar extends Image_Graph_Plotarea
|
|
{
|
|
|
|
/**
|
|
* Create the plotarea, implicitely creates 2 normal axis
|
|
*/
|
|
function Image_Graph_Plotarea_Radar()
|
|
{
|
|
parent::Image_Graph_Element();
|
|
$this->_padding = array('left' => 10, 'top' => 10, 'right' => 10, 'bottom' => 10);
|
|
$this->_axisX =& Image_Graph::factory('Image_Graph_Axis_Radar');
|
|
$this->_axisX->_setParent($this);
|
|
$this->_axisY =& Image_Graph::factory('Image_Graph_Axis', IMAGE_GRAPH_AXIS_Y);
|
|
$this->_axisY->_setParent($this);
|
|
$this->_axisY->_setMinimum(0);
|
|
}
|
|
|
|
/**
|
|
* Get the width of the 'real' plotarea
|
|
*
|
|
* @return int The width of the 'real' plotarea, ie not including space occupied by padding and axis
|
|
* @access private
|
|
*/
|
|
function _plotWidth()
|
|
{
|
|
return (min($this->height(), $this->width())) * 0.80;
|
|
}
|
|
|
|
/**
|
|
* Get the height of the 'real' plotarea
|
|
*
|
|
* @return int The height of the 'real' plotarea, ie not including space occupied by padding and axis
|
|
* @access private
|
|
*/
|
|
function _plotHeight()
|
|
{
|
|
return (min($this->height(), $this->width())) * 0.80;
|
|
}
|
|
|
|
/**
|
|
* Left boundary of the background fill area
|
|
*
|
|
* @return int Leftmost position on the canvas
|
|
* @access private
|
|
*/
|
|
function _fillLeft()
|
|
{
|
|
return (int) (($this->_left + $this->_right - $this->_plotWidth()) / 2);
|
|
}
|
|
|
|
/**
|
|
* Top boundary of the background fill area
|
|
*
|
|
* @return int Topmost position on the canvas
|
|
* @access private
|
|
*/
|
|
function _fillTop()
|
|
{
|
|
return (int) (($this->_top + $this->_bottom - $this->_plotHeight()) / 2);
|
|
}
|
|
|
|
/**
|
|
* Right boundary of the background fill area
|
|
*
|
|
* @return int Rightmost position on the canvas
|
|
* @access private
|
|
*/
|
|
function _fillRight()
|
|
{
|
|
return (int) (($this->_left + $this->_right + $this->_plotWidth()) / 2);
|
|
}
|
|
|
|
/**
|
|
* Bottom boundary of the background fill area
|
|
*
|
|
* @return int Bottommost position on the canvas
|
|
* @access private
|
|
*/
|
|
function _fillBottom()
|
|
{
|
|
return (int) (($this->_top + $this->_bottom + $this->_plotHeight()) / 2);
|
|
}
|
|
|
|
/**
|
|
* Get the X pixel position represented by a value
|
|
*
|
|
* @param double $value The value to get the pixel-point for
|
|
* @return double The pixel position along the axis
|
|
* @access private
|
|
*/
|
|
function _pointX($value)
|
|
{
|
|
if (is_array($value)) {
|
|
if ($value['Y'] == '#min#') {
|
|
$radius = 0;
|
|
} elseif (($value['Y'] == '#max#') || ($value['Y'] === false)) {
|
|
$radius = 1;
|
|
} else {
|
|
$radius = ($value['Y'] - $this->_axisY->_getMinimum()) /
|
|
($this->_axisY->_getMaximum() - $this->_axisY->_getMinimum());
|
|
}
|
|
$x = ($this->_left + $this->_right) / 2 -
|
|
$radius * ($this->_plotWidth() / 2) *
|
|
cos(deg2rad($this->_axisX->_point($value['X'])));
|
|
}
|
|
return max($this->_plotLeft, min($this->_plotRight, $x));
|
|
}
|
|
|
|
/**
|
|
* Get the Y pixel position represented by a value
|
|
*
|
|
* @param double $value The value to get the pixel-point for
|
|
* @return double The pixel position along the axis
|
|
* @access private
|
|
*/
|
|
function _pointY($value)
|
|
{
|
|
if (is_array($value)) {
|
|
if ($value['Y'] == '#min#') {
|
|
$radius = 0;
|
|
} elseif (($value['Y'] == '#max#') || ($value['Y'] === false)) {
|
|
$radius = 1;
|
|
} else {
|
|
$radius = ($value['Y'] - $this->_axisY->_getMinimum()) /
|
|
($this->_axisY->_getMaximum() - $this->_axisY->_getMinimum());
|
|
}
|
|
|
|
$y = ($this->_top + $this->_bottom) / 2 -
|
|
$radius * ($this->_plotHeight() / 2) *
|
|
sin(deg2rad($this->_axisX->_point($value['X'])));
|
|
}
|
|
return max($this->_plotTop, min($this->_plotBottom, $y));
|
|
}
|
|
|
|
/**
|
|
* Update coordinates
|
|
*
|
|
* @access private
|
|
*/
|
|
function _updateCoords()
|
|
{
|
|
if (is_array($this->_elements)) {
|
|
$keys = array_keys($this->_elements);
|
|
foreach ($keys as $key) {
|
|
$element =& $this->_elements[$key];
|
|
if (is_a($element, 'Image_Graph_Plot')) {
|
|
$this->_setExtrema($element);
|
|
}
|
|
}
|
|
unset($keys);
|
|
}
|
|
|
|
$this->_calcEdges();
|
|
|
|
$centerX = (int) (($this->_left + $this->_right) / 2);
|
|
$centerY = (int) (($this->_top + $this->_bottom) / 2);
|
|
$radius = min($this->_plotHeight(), $this->_plotWidth()) / 2;
|
|
|
|
if (is_object($this->_axisX)) {
|
|
$this->_axisX->_setCoords(
|
|
$centerX - $radius,
|
|
$centerY - $radius,
|
|
$centerX + $radius,
|
|
$centerY + $radius
|
|
);
|
|
}
|
|
|
|
if (is_object($this->_axisY)) {
|
|
$this->_axisY->_setCoords(
|
|
$centerX,
|
|
$centerY,
|
|
$centerX - $radius,
|
|
$centerY - $radius
|
|
);
|
|
}
|
|
|
|
$this->_plotLeft = $this->_fillLeft();
|
|
$this->_plotTop = $this->_fillTop();
|
|
$this->_plotRight = $this->_fillRight();
|
|
$this->_plotBottom = $this->_fillBottom();
|
|
|
|
Image_Graph_Element::_updateCoords();
|
|
|
|
if (is_object($this->_axisX)) {
|
|
$this->_axisX->_updateCoords();
|
|
}
|
|
|
|
if (is_object($this->_axisY)) {
|
|
$this->_axisY->_updateCoords();
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
?>
|