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.
307 lines
11 KiB
PHP
307 lines
11 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 Plot
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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: Bar.php,v 1.14 2005/11/27 22:21:16 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/Plot.php
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*/
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require_once 'Image/Graph/Plot.php';
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/**
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* A bar chart.
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*
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* @category Images
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* @package Image_Graph
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* @subpackage Plot
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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_Plot_Bar extends Image_Graph_Plot
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{
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/**
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* The space between 2 bars (should be a multipla of 2)
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* @var int
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* @access private
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*/
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var $_space = 4;
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/**
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* The width of the bars
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* @var array
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* @access private
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*/
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var $_width = 'auto';
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/**
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* Perform the actual drawing on the legend.
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*
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* @param int $x0 The top-left x-coordinate
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* @param int $y0 The top-left y-coordinate
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* @param int $x1 The bottom-right x-coordinate
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* @param int $y1 The bottom-right y-coordinate
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* @access private
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*/
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function _drawLegendSample($x0, $y0, $x1, $y1)
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{
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$dx = abs($x1 - $x0) / 7;
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$this->_canvas->rectangle(array('x0' => $x0 + $dx, 'y0' => $y0, 'x1' => $x1 - $dx, 'y1' => $y1));
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}
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/**
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* Set the spacing between 2 neighbouring bars
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*
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* @param int $space The number of pixels between 2 bars, should be a
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* multipla of 2 (ie an even number)
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*/
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function setSpacing($space)
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{
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$this->_space = (int) ($space / 2);
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}
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/**
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* Set the width of a bars.
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*
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* Specify 'auto' to auto calculate the width based on the positions on the
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* x-axis.
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*
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* Supported units are:
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*
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* '%' The width is specified in percentage of the total plot width
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*
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* 'px' The width specified in pixels
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*
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* @param string $width The width of any bar
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* @param string $unit The unit of the width
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*/
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function setBarWidth($width, $unit = false)
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{
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if ($width == 'auto') {
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$this->_width = $width;
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} else {
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$this->_width = array(
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'width' => $width,
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'unit' => $unit
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);
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}
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}
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/**
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* Output the plot
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*
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* @return bool Was the output 'good' (true) or 'bad' (false).
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* @access private
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*/
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function _done()
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{
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if (parent::_done() === false) {
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return false;
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}
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if (!is_array($this->_dataset)) {
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return false;
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}
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$this->_canvas->startGroup(get_class($this) . '_' . $this->_title);
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$this->_clip(true);
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if ($this->_width == 'auto') {
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$width = $this->_parent->_labelDistance(IMAGE_GRAPH_AXIS_X) / 2;
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} elseif ($this->_width['unit'] == '%') {
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$width = $this->_width['width'] * $this->width() / 200;
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} elseif ($this->_width['unit'] == 'px') {
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$width = $this->_width['width'] / 2;
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}
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if ($this->_multiType == 'stacked100pct') {
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$total = $this->_getTotals();
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}
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$minYaxis = $this->_parent->_getMinimum($this->_axisY);
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$maxYaxis = $this->_parent->_getMaximum($this->_axisY);
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$number = 0;
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$keys = array_keys($this->_dataset);
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foreach ($keys as $key) {
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$dataset =& $this->_dataset[$key];
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$dataset->_reset();
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while ($point = $dataset->_next()) {
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if ($this->_parent->_horizontal) {
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$y1 = $this->_pointY($point) - $width;
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$y2 = $this->_pointY($point) + $width;
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if ($y2 - $this->_space > $y1 + $this->_space) {
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/*
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* Take bar spacing into account _only_ if the space doesn't
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* turn the bar "inside-out", i.e. if the actual bar width
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* is smaller than the space between the bars
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*/
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$y2 -= $this->_space;
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$y1 += $this->_space;
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}
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}
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else {
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$x1 = $this->_pointX($point) - $width;
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$x2 = $this->_pointX($point) + $width;
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if ($x2 - $this->_space > $x1 + $this->_space) {
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/*
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* Take bar spacing into account _only_ if the space doesn't
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* turn the bar "inside-out", i.e. if the actual bar width
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* is smaller than the space between the bars
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*/
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$x2 -= $this->_space;
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$x1 += $this->_space;
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}
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}
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if (($this->_multiType == 'stacked') ||
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($this->_multiType == 'stacked100pct'))
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{
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$x = $point['X'];
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if ($point['Y'] >= 0) {
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if (!isset($current[$x])) {
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$current[$x] = 0;
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}
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if ($this->_multiType == 'stacked') {
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$p0 = array(
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'X' => $point['X'],
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'Y' => $current[$x]
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);
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$p1 = array(
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'X' => $point['X'],
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'Y' => $current[$x] + $point['Y']
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);
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} else {
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$p0 = array(
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'X' => $point['X'],
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'Y' => 100 * $current[$x] / $total['TOTAL_Y'][$x]
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);
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$p1 = array(
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'X' => $point['X'],
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'Y' => 100 * ($current[$x] + $point['Y']) / $total['TOTAL_Y'][$x]
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);
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}
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$current[$x] += $point['Y'];
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} else {
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if (!isset($currentNegative[$x])) {
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$currentNegative[$x] = 0;
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}
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$p0 = array(
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'X' => $point['X'],
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'Y' => $currentNegative[$x]
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);
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$p1 = array(
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'X' => $point['X'],
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'Y' => $currentNegative[$x] + $point['Y']
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);
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$currentNegative[$x] += $point['Y'];
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}
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} else {
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if (count($this->_dataset) > 1) {
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$w = 2 * ($width - $this->_space) / count($this->_dataset);
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if ($this->_parent->_horizontal) {
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$y2 = ($y1 = ($y1 + $y2) / 2 - ($width - $this->_space) + $number * $w) + $w;
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}
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else {
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$x2 = ($x1 = ($x1 + $x2) / 2 - ($width - $this->_space) + $number * $w) + $w;
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}
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}
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$p0 = array('X' => $point['X'], 'Y' => 0);
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$p1 = $point;
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}
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if ((($minY = min($p0['Y'], $p1['Y'])) < $maxYaxis) &&
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(($maxY = max($p0['Y'], $p1['Y'])) > $minYaxis)
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) {
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$p0['Y'] = $minY;
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$p1['Y'] = $maxY;
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if ($p0['Y'] < $minYaxis) {
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$p0['Y'] = '#min_pos#';
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}
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if ($p1['Y'] > $maxYaxis) {
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$p1['Y'] = '#max_neg#';
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}
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if ($this->_parent->_horizontal) {
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$x1 = $this->_pointX($p0);
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$x2 = $this->_pointX($p1);
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}
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else {
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$y1 = $this->_pointY($p0);
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$y2 = $this->_pointY($p1);
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}
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$ID = $point['ID'];
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if (($ID === false) && (count($this->_dataset) > 1)) {
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$ID = $key;
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}
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$this->_getFillStyle($ID);
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$this->_getLineStyle($ID);
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if (($y1 != $y2) && ($x1 != $x2)) {
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$this->_canvas->rectangle(
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$this->_mergeData(
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$point,
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array(
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'x0' => min($x1, $x2),
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'y0' => min($y1, $y2),
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'x1' => max($x1, $x2),
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'y1' => max($y1, $y2)
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)
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)
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);
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}
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}
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}
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$number ++;
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}
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unset($keys);
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$this->_drawMarker();
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$this->_clip(false);
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$this->_canvas->endGroup();
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return true;
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}
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}
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?>
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