1145 lines
40 KiB
PHP
1145 lines
40 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 Plotarea
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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: Plotarea.php,v 1.23 2006/02/28 22:48:07 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/Layout.php
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*/
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require_once 'Image/Graph/Layout.php';
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/**
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* Plot area used for drawing plots.
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*
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* The plotarea consists of an x-axis and an y-axis, the plotarea can plot multiple
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* charts within one plotares, by simply adding them (the axis' will scale to the
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* plots automatically). A graph can consist of more plotareas
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*
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* @category Images
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* @package Image_Graph
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* @subpackage Plotarea
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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: 0.7.2
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* @link http://pear.php.net/package/Image_Graph
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*/
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class Image_Graph_Plotarea extends Image_Graph_Layout
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{
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/**
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* The left most pixel of the 'real' plot area on the canvas
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* @var int
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* @access private
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*/
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var $_plotLeft = 0;
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/**
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* The top most pixel of the 'real' plot area on the canvas
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* @var int
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* @access private
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*/
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var $_plotTop = 0;
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/**
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* The right most pixel of the 'real' plot area on the canvas
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* @var int
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* @access private
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*/
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var $_plotRight = 0;
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/**
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* The bottom most pixel of the 'real' plot area on the canvas
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* @var int
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* @access private
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*/
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var $_plotBottom = 0;
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/**
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* The X axis
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* @var Axis
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* @access private
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*/
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var $_axisX = null;
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/**
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* The Y axis
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* @var Axis
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* @access private
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*/
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var $_axisY = null;
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/**
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* The secondary Y axis
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* @var Axis
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* @access private
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*/
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var $_axisYSecondary = null;
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/**
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* The border style of the 'real' plot area
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* @var LineStyle
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* @access private
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*/
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var $_plotBorderStyle = null;
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/**
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* Does any plot have any data?
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* @var bool
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* @access private
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*/
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var $_hasData = false;
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/**
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* Is the plotarea horizontal?
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* @var bool
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* @access private
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*/
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var $_horizontal = false;
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/**
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* Image_Graph_Plotarea [Constructor]
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*
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* @param string $axisX The class of the X axis (if omitted a std. axis is created)
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* @param string $axisY The class of the Y axis (if omitted a std. axis is created)
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* @param string $direction The direction of the plotarea - 'horizontal' or 'vertical' (default)
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*/
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function Image_Graph_Plotarea($axisX = 'Image_Graph_Axis_Category', $axisY = 'Image_Graph_Axis', $direction = 'vertical')
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{
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parent::Image_Graph_Layout();
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$this->_padding = array('left' => 5, 'top' => 5, 'right' => 5, 'bottom' => 5);;
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include_once 'Image/Graph.php';
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$this->_axisX =& Image_Graph::factory($axisX, IMAGE_GRAPH_AXIS_X);
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$this->_axisX->_setParent($this);
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$this->_axisY =& Image_Graph::factory($axisY, IMAGE_GRAPH_AXIS_Y);
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$this->_axisY->_setParent($this);
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$this->_axisY->_setMinimum(0);
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$this->_fillStyle = false;
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if ($direction == 'horizontal') {
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$this->_horizontal = true;
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$this->_axisX->_transpose = true;
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$this->_axisY->_transpose = true;
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}
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}
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/**
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* Sets the parent. The parent chain should ultimately be a GraPHP object
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*
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* @see Image_Graph_Common
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* @param Image_Graph_Common $parent The parent
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* @access private
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*/
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function _setParent(& $parent)
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{
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parent::_setParent($parent);
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if ($this->_axisX !== null) {
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$this->_axisX->_setParent($this);
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}
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if ($this->_axisY !== null) {
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$this->_axisY->_setParent($this);
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}
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if ($this->_axisYSecondary !== null) {
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$this->_axisYSecondary->_setParent($this);
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}
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}
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/**
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* Sets the plot border line style of the element.
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*
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* @param Image_Graph_Line $lineStyle The line style of the border
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* @deprecated 0.3.0dev2 - 2004-12-16
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*/
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function setPlotBorderStyle(& $plotBorderStyle)
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{
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}
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/**
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* Adds an element to the plotarea
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*
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* @param Image_Graph_Element $element The element to add
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* @param int $axis The axis to associate the element with, either
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* IMAGE_GRAPH_AXIS_X, IMAGE_GRAPH_AXIS_Y, IMAGE_GRAPH_AXIS_Y_SECONDARY
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* or the shorter string notations 'x', 'y' or 'ysec' (defaults to
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* IMAGE_GRAPH_AXIS_Y)
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* @return Image_Graph_Element The added element
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* @see Image_Graph_Common::add()
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*/
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function &add(& $element, $axis = IMAGE_GRAPH_AXIS_Y)
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{
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if ($axis == 'x') {
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$axis = IMAGE_GRAPH_AXIS_X;
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}
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if ($axis == 'y') {
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$axis = IMAGE_GRAPH_AXIS_Y;
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}
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if ($axis == 'ysec') {
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$axis = IMAGE_GRAPH_AXIS_Y_SECONDARY;
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}
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if (($axis == IMAGE_GRAPH_AXIS_Y_SECONDARY) &&
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($this->_axisYSecondary == null))
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{
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$this->_axisYSecondary =& Image_Graph::factory('axis', IMAGE_GRAPH_AXIS_Y_SECONDARY);
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$this->_axisYSecondary->_setMinimum(0);
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if ($this->_horizontal) {
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$this->_axisYSecondary->_transpose = true;
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}
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}
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parent::add($element);
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if (is_a($element, 'Image_Graph_Plot')) {
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$element->_setAxisY($axis);
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// postpone extrema calculation until we calculate coordinates
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//$this->_setExtrema($element);
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} elseif (is_a($element, 'Image_Graph_Grid')) {
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switch ($axis) {
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case IMAGE_GRAPH_AXIS_X:
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if ($this->_axisX != null) {
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$element->_setPrimaryAxis($this->_axisX);
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if ($this->_axisY != null) {
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$element->_setSecondaryAxis($this->_axisY);
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}
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}
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break;
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case IMAGE_GRAPH_AXIS_Y:
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if ($this->_axisY != null) {
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$element->_setPrimaryAxis($this->_axisY);
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if ($this->_axisX != null) {
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$element->_setSecondaryAxis($this->_axisX);
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}
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}
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break;
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case IMAGE_GRAPH_AXIS_Y_SECONDARY:
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if ($this->_axisYSecondary != null) {
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$element->_setPrimaryAxis($this->_axisYSecondary);
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if ($this->_axisX != null) {
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$element->_setSecondaryAxis($this->_axisX);
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}
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}
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break;
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}
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} elseif (is_a($element, 'Image_Graph_Axis')) {
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switch ($element->_type) {
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case IMAGE_GRAPH_AXIS_X:
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$this->_axisX =& $element;
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break;
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case IMAGE_GRAPH_AXIS_Y:
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$this->_axisY =& $element;
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break;
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case IMAGE_GRAPH_AXIS_Y_SECONDARY:
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$this->_axisYSecondary =& $element;
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break;
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}
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if ($element->_getMinimum() == $element->_getMaximum()) {
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$element->_setMinimum(0);
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$element->_setMaximum(1);
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}
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}
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return $element;
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}
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/**
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* Get the width of the 'real' plotarea
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*
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* @return int The width of the 'real' plotarea, ie not including space occupied by padding and axis
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* @access private
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*/
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function _plotWidth()
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{
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return abs($this->_plotRight - $this->_plotLeft);
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}
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/**
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* Get the height of the 'real' plotarea
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*
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* @return int The height of the 'real' plotarea, ie not including space
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* occupied by padding and axis
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* @access private
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*/
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function _plotHeight()
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{
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return abs($this->_plotBottom - $this->_plotTop);
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}
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/**
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* Set the extrema of the axis
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*
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* @param Image_Graph_Plot $plot The plot that 'hold' the values
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* @access private
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*/
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function _setExtrema(& $plot)
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{
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if (($this->_axisX != null) && ($this->_axisX->_isNumeric())) {
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$this->_axisX->_setMinimum($plot->_minimumX());
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$this->_axisX->_setMaximum($plot->_maximumX());
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}
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if (($plot->_axisY == IMAGE_GRAPH_AXIS_Y_SECONDARY) &&
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($this->_axisYSecondary !== null) &&
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($this->_axisYSecondary->_isNumeric()))
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{
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$this->_axisYSecondary->_setMinimum($plot->_minimumY());
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$this->_axisYSecondary->_setMaximum($plot->_maximumY());
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} elseif (($this->_axisY != null) && ($this->_axisY->_isNumeric())) {
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$this->_axisY->_setMinimum($plot->_minimumY());
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$this->_axisY->_setMaximum($plot->_maximumY());
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}
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$datasets =& $plot->dataset();
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if (!is_array($datasets)) {
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$datasets = array($datasets);
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}
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$keys = array_keys($datasets);
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foreach ($keys as $key) {
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$dataset =& $datasets[$key];
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if ($dataset->count() > 0) {
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$this->_hasData = true;
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}
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if (is_a($dataset, 'Image_Graph_Dataset')) {
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if (($this->_axisX != null) && (!$this->_axisX->_isNumeric())) {
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$this->_axisX->_applyDataset($dataset);
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}
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if (($plot->_axisY == IMAGE_GRAPH_AXIS_Y_SECONDARY) &&
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($this->_axisYSecondary !== null) &&
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(!$this->_axisYSecondary->_isNumeric()))
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{
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$this->_axisYSecondary->_applyDataset($dataset);
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} elseif (($this->_axisY != null) && (!$this->_axisY->_isNumeric())) {
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$this->_axisY->_applyDataset($dataset);
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}
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}
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}
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unset($keys);
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}
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/**
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* Left boundary of the background fill area
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*
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* @return int Leftmost position on the canvas
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* @access private
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*/
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function _fillLeft()
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{
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return $this->_plotLeft;
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}
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/**
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* Top boundary of the background fill area
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*
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* @return int Topmost position on the canvas
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* @access private
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*/
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function _fillTop()
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{
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return $this->_plotTop;
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}
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/**
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* Right boundary of the background fill area
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*
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* @return int Rightmost position on the canvas
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* @access private
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*/
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function _fillRight()
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{
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return $this->_plotRight;
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}
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/**
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* Bottom boundary of the background fill area
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*
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* @return int Bottommost position on the canvas
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* @access private
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*/
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function _fillBottom()
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{
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return $this->_plotBottom;
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}
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/**
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* Get the point from the x-axis
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* @param array $value The value array
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* @param int $min The minimum pixel position possible
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* @param int $max The maximum pixel position possible
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* @return int The pixel position from the axis
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* @access private
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*/
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function _axisPointX($value, $min, $max)
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{
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if (($this->_axisX == null) || (!isset($value['X']))) {
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return false;
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}
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if ($value['X'] === '#min#') {
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return $min;
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}
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if ($value['X'] === '#max#') {
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return $max;
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}
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return $this->_axisX->_point($value['X']);
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}
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/**
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* Get the point from the x-axis
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* @param array $value The value array
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* @param int $min The minimum pixel position possible
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* @param int $max The maximum pixel position possible
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* @return int The pixel position from the axis
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* @access private
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*/
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function _axisPointY($value, $min, $max)
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{
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if (!isset($value['Y'])) {
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return false;
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}
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if (($value['Y'] === '#min_pos#') || ($value['Y'] === '#max_nex#')) {
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// return the minimum (bottom) position or if negative then zero
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// or the maxmum (top) position or if positive then zero
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if ((isset($value['AXIS_Y'])) &&
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($value['AXIS_Y'] == IMAGE_GRAPH_AXIS_Y_SECONDARY) &&
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($this->_axisYSecondary !== null)
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) {
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$axisY =& $this->_axisYSecondary;
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} else {
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$axisY =& $this->_axisY;
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}
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if ($value['Y'] === '#min_pos#') {
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return $axisY->_point(max(0, $axisY->_getMinimum()));
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} else {
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return $axisY->_point(min(0, $axisY->_getMaximum()));
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}
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}
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if ($value['Y'] === '#min#') {
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return $min;
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}
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if ($value['Y'] === '#max#') {
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return $max;
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}
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if ((isset($value['AXIS_Y'])) &&
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($value['AXIS_Y'] == IMAGE_GRAPH_AXIS_Y_SECONDARY)
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) {
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if ($this->_axisYSecondary !== null) {
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return $this->_axisYSecondary->_point($value['Y']);
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}
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} else {
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if ($this->_axisY !== null) {
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return $this->_axisY->_point($value['Y']);
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}
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}
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return false;
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}
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/**
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* Get the X pixel position represented by a value
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*
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* @param double Value the value to get the pixel-point for
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* @return double The pixel position along the axis
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* @access private
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*/
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function _pointX($value)
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{
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if ($this->_horizontal) {
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return $this->_axisPointY($value, $this->_plotLeft, $this->_plotRight);
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}
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else {
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return $this->_axisPointX($value, $this->_plotLeft, $this->_plotRight);
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}
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}
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/**
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* Get the Y pixel position represented by a value
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*
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* @param double Value the value to get the pixel-point for
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* @return double The pixel position along the axis
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* @access private
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*/
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function _pointY($value)
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{
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if ($this->_horizontal) {
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return $this->_axisPointX($value, $this->_plotBottom, $this->_plotTop);
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}
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else {
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return $this->_axisPointY($value, $this->_plotBottom, $this->_plotTop);
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}
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}
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/**
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* Return the minimum value of the specified axis
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*
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* @param int $axis The axis to return the minimum value of (see {$link
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* Image_Graph_Plotarea::getAxis()})
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* @return double The minimum value of the axis
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* @access private
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*/
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function _getMinimum($axis = IMAGE_GRAPH_AXIS_Y)
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{
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$axis =& $this->getAxis($axis);
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if ($axis !== null) {
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return $axis->_getMinimum();
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} else {
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return 0;
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}
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}
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/**
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* Return the maximum value of the specified axis
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*
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* @param int $axis The axis to return the maximum value of(see {$link
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* Image_Graph_Plotarea::getAxis()})
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* @return double The maximum value of the axis
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* @access private
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*/
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function _getMaximum($axis = IMAGE_GRAPH_AXIS_Y)
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{
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$axis =& $this->getAxis($axis);
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if ($axis !== null) {
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return $axis->_getMaximum();
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} else {
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return 0;
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}
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}
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/**
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* Return the label distance for the specified axis.
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|
*
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* @param int $axis The axis to return the label distance for
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* @return int The distance between 2 adjacent labels
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* @access private
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*/
|
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function _labelDistance($axis)
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{
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$axis =& $this->getAxis($axis);
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if ($axis !== null) {
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return $axis->_labelDistance();
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}
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return false;
|
|
}
|
|
|
|
/**
|
|
* Hides the axis
|
|
*/
|
|
function hideAxis($axis = false)
|
|
{
|
|
if (((!$axis) || ($axis === $this->_axisX) || ($axis === 'x')) && ($this->_axisX != null)) {
|
|
$this->_axisX->hide();
|
|
}
|
|
if (((!$axis) || ($axis === $this->_axisY) || ($axis === 'y')) && ($this->_axisY != null)) {
|
|
$this->_axisY->hide();
|
|
}
|
|
if (((!$axis) || ($axis === $this->_axisYSecondary) || ($axis === 'y_sec')) && ($this->_axisYSecondary != null)) {
|
|
$this->_axisYSecondary->hide();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Clears/removes the axis
|
|
*/
|
|
function clearAxis()
|
|
{
|
|
$this->_axisX = $this->_axisY = $this->_axisYSecondary = null;
|
|
}
|
|
|
|
/**
|
|
* Get axis.
|
|
*
|
|
* Possible values are IMAGE_GRAPH_AXIS_X, IMAGE_GRAPH_AXIS_Y,
|
|
* IMAGE_GRAPH_AXIS_Y_SECONDARY or a short hand notation using
|
|
* string identifiers: 'x', 'y', 'ysec'
|
|
*
|
|
* @param int $axis The axis to return
|
|
* @return Image_Graph_Axis The axis
|
|
*/
|
|
function &getAxis($axis = IMAGE_GRAPH_AXIS_X)
|
|
{
|
|
switch ($axis) {
|
|
case IMAGE_GRAPH_AXIS_X:
|
|
case 'x':
|
|
return $this->_axisX;
|
|
|
|
case IMAGE_GRAPH_AXIS_Y:
|
|
case 'y':
|
|
return $this->_axisY;
|
|
|
|
case IMAGE_GRAPH_AXIS_Y_SECONDARY:
|
|
case 'ysec':
|
|
return $this->_axisYSecondary;
|
|
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Update coordinates
|
|
*
|
|
* @access private
|
|
*/
|
|
function _updateCoords()
|
|
{
|
|
if (is_array($this->_elements)) {
|
|
$keys = array_keys($this->_elements);
|
|
foreach ($keys as $key) {
|
|
$element =& $this->_elements[$key];
|
|
if (is_a($element, 'Image_Graph_Plot')) {
|
|
if (((is_a($element, 'Image_Graph_Plot_Bar')) ||
|
|
(is_a($element, 'Image_Graph_Plot_Step')) ||
|
|
(is_a($element, 'Image_Graph_Plot_Dot')) ||
|
|
(is_a($element, 'Image_Graph_Plot_CandleStick')) ||
|
|
(is_a($element, 'Image_Graph_Plot_BoxWhisker')) ||
|
|
(is_a($element, 'Image_Graph_Plot_Impulse'))) &&
|
|
($this->_axisX != null) &&
|
|
(strtolower(get_class($this->_axisX)) != 'image_graph_axis') // do not push plot if x-axis is linear
|
|
)
|
|
{
|
|
$this->_axisX->_pushValues();
|
|
}
|
|
$this->_setExtrema($element);
|
|
}
|
|
}
|
|
unset($keys);
|
|
}
|
|
|
|
$this->_calcEdges();
|
|
|
|
$pctWidth = (int) ($this->width() * 0.05);
|
|
$pctHeight = (int) ($this->height() * 0.05);
|
|
|
|
$left = $this->_left + $this->_padding['left'];
|
|
$top = $this->_top + $this->_padding['top'];
|
|
$right = $this->_right - $this->_padding['right'];
|
|
$bottom = $this->_bottom - $this->_padding['bottom'];
|
|
|
|
// temporary place holder for axis point calculations
|
|
$axisPoints['x'] = array($left, $top, $right, $bottom);
|
|
$axisPoints['y'] = $axisPoints['x'];
|
|
$axisPoints['y2'] = $axisPoints['x'];
|
|
|
|
if ($this->_axisX !== null) {
|
|
$intersectX = $this->_axisX->_getAxisIntersection();
|
|
$sizeX = $this->_axisX->_size();
|
|
$this->_axisX->_setCoords($left, $top, $right, $bottom);
|
|
$this->_axisX->_updateCoords();
|
|
}
|
|
|
|
if ($this->_axisY !== null) {
|
|
$intersectY = $this->_axisY->_getAxisIntersection();
|
|
$sizeY = $this->_axisY->_size();
|
|
$this->_axisY->_setCoords($left, $top, $right, $bottom);
|
|
$this->_axisY->_updateCoords();
|
|
}
|
|
|
|
if ($this->_axisYSecondary !== null) {
|
|
$intersectYsec = $this->_axisYSecondary->_getAxisIntersection();
|
|
$sizeYsec = $this->_axisYSecondary->_size();
|
|
$this->_axisYSecondary->_setCoords($left, $top, $right, $bottom);
|
|
$this->_axisYSecondary->_updateCoords();
|
|
}
|
|
|
|
$axisCoordAdd = array('left' => 0, 'right' => 0, 'top' => 0, 'bottom' => 0);
|
|
|
|
if ($this->_axisY != null) {
|
|
if ($this->_axisX != null) {
|
|
$pos = $this->_axisX->_intersectPoint($intersectY['value']);
|
|
} else {
|
|
$pos = ($this->_horizontal ? $bottom : $left);
|
|
}
|
|
|
|
if ($this->_horizontal) {
|
|
if (($pos + $sizeY) > $bottom) {
|
|
$axisCoordAdd['bottom'] = ($pos + $sizeY) - $bottom;
|
|
// the y-axis position needs to be recalculated!
|
|
} else {
|
|
// top & bottom may need to be adjusted when the x-axis has been
|
|
// calculated!
|
|
$this->_axisY->_setCoords(
|
|
$left,
|
|
$pos,
|
|
$right,
|
|
$pos + $sizeY
|
|
);
|
|
$this->_axisY->_updateCoords();
|
|
}
|
|
}
|
|
else {
|
|
if (($pos - $sizeY) < $left) {
|
|
$axisCoordAdd['left'] = $left - ($pos - $sizeY);
|
|
// the y-axis position needs to be recalculated!
|
|
} else {
|
|
// top & bottom may need to be adjusted when the x-axis has been
|
|
// calculated!
|
|
$this->_axisY->_setCoords(
|
|
$pos - $sizeY,
|
|
$top,
|
|
$pos,
|
|
$bottom
|
|
);
|
|
$this->_axisY->_updateCoords();
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($this->_axisYSecondary != null) {
|
|
if ($this->_axisX != null) {
|
|
$pos = $this->_axisX->_intersectPoint($intersectYsec['value']);
|
|
} else {
|
|
$pos = ($this->_horizontal ? $top : $right);
|
|
}
|
|
|
|
if ($this->_horizontal) {
|
|
if (($pos - $sizeYsec) < $top) {
|
|
$axisCoordAdd['top'] = $top - ($pos - $sizeYsec);
|
|
// the secondary y-axis position need to be recalculated
|
|
} else {
|
|
// top & bottom may need to be adjusted when the x-axis has been
|
|
// calculated!
|
|
$this->_axisYSecondary->_setCoords(
|
|
$left,
|
|
$pos - $sizeY,
|
|
$right,
|
|
$pos
|
|
);
|
|
$this->_axisYSecondary->_updateCoords();
|
|
}
|
|
}
|
|
else {
|
|
if (($pos + $sizeYsec) > $right) {
|
|
$axisCoordAdd['right'] = ($pos + $sizeYsec) - $right;
|
|
// the secondary y-axis position need to be recalculated
|
|
} else {
|
|
// top & bottom may need to be adjusted when the x-axis has been
|
|
// calculated!
|
|
$this->_axisYSecondary->_setCoords(
|
|
$pos,
|
|
$top,
|
|
$pos + $sizeY,
|
|
$bottom
|
|
);
|
|
$this->_axisYSecondary->_updateCoords();
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($this->_axisX != null) {
|
|
if (($intersectX['axis'] == IMAGE_GRAPH_AXIS_Y_SECONDARY) &&
|
|
($this->_axisYSecondary !== null)
|
|
) {
|
|
$axis =& $this->_axisYSecondary;
|
|
} elseif ($this->_axisY !== null) {
|
|
$axis =& $this->_axisY;
|
|
} else {
|
|
$axis = false;
|
|
}
|
|
|
|
if ($axis !== false) {
|
|
$pos = $axis->_intersectPoint($intersectX['value']);
|
|
} else {
|
|
$pos = ($this->_horizontal ? $left : $bottom);
|
|
}
|
|
|
|
if ($this->_horizontal) {
|
|
if (($pos - $sizeX) < $left) {
|
|
$axisCoordAdd['left'] = $left - ($pos - $sizeX);
|
|
$pos = $left + $sizeX;
|
|
}
|
|
|
|
$this->_axisX->_setCoords(
|
|
$pos - $sizeX,
|
|
$top + $axisCoordAdd['top'],
|
|
$pos,
|
|
$bottom - $axisCoordAdd['bottom']
|
|
);
|
|
$this->_axisX->_updateCoords();
|
|
}
|
|
else {
|
|
if (($pos + $sizeX) > $bottom) {
|
|
$axisCoordAdd['bottom'] = ($pos + $sizeX) - $bottom;
|
|
$pos = $bottom - $sizeX;
|
|
}
|
|
|
|
$this->_axisX->_setCoords(
|
|
$left + $axisCoordAdd['left'],
|
|
$pos,
|
|
$right - $axisCoordAdd['right'],
|
|
$pos + $sizeX
|
|
);
|
|
$this->_axisX->_updateCoords();
|
|
}
|
|
}
|
|
|
|
if ($this->_horizontal) {
|
|
if (($this->_axisX !== null) &&
|
|
(($axisCoordAdd['top'] != 0) ||
|
|
($axisCoordAdd['bottom'] != 0))
|
|
) {
|
|
// readjust y-axis for better estimate of position
|
|
if ($this->_axisY !== null) {
|
|
$pos = $this->_axisX->_intersectPoint($intersectY['value']);
|
|
$this->_axisY->_setCoords(
|
|
false,
|
|
$pos,
|
|
false,
|
|
$pos + $sizeY
|
|
);
|
|
$this->_axisY->_updateCoords();
|
|
}
|
|
|
|
if ($this->_axisYSecondary !== null) {
|
|
$pos = $this->_axisX->_intersectPoint($intersectYsec['value']);
|
|
$this->_axisYSecondary->_setCoords(
|
|
false,
|
|
$pos - $sizeYsec,
|
|
false,
|
|
$pos
|
|
);
|
|
$this->_axisYSecondary->_updateCoords();
|
|
}
|
|
}
|
|
|
|
// adjust top and bottom of y-axis
|
|
if ($this->_axisY !== null) {
|
|
$this->_axisY->_setCoords(
|
|
$left + $axisCoordAdd['left'],
|
|
false,
|
|
$right - $axisCoordAdd['right'],
|
|
false
|
|
);
|
|
$this->_axisY->_updateCoords();
|
|
}
|
|
|
|
// adjust top and bottom of y-axis
|
|
if ($this->_axisYSecondary !== null) {
|
|
$this->_axisYSecondary->_setCoords(
|
|
$left + $axisCoordAdd['left'],
|
|
false,
|
|
$right - $axisCoordAdd['right'],
|
|
false
|
|
);
|
|
$this->_axisYSecondary->_updateCoords();
|
|
}
|
|
|
|
if ($this->_axisX !== null) {
|
|
$this->_plotTop = $this->_axisX->_top;
|
|
$this->_plotBottom = $this->_axisX->_bottom;
|
|
} else {
|
|
$this->_plotTop = $top;
|
|
$this->_plotBottom = $bottom;
|
|
}
|
|
|
|
if ($this->_axisY !== null) {
|
|
$this->_plotLeft = $this->_axisY->_left;
|
|
$this->_plotRight = $this->_axisY->_right;
|
|
} elseif ($this->_axisYSecondary !== null) {
|
|
$this->_plotLeft = $this->_axisYSecondary->_left;
|
|
$this->_plotRight = $this->_axisYSecondary->_right;
|
|
} else {
|
|
$this->_plotLeft = $this->_left;
|
|
$this->_plotRight = $this->_right;
|
|
}
|
|
}
|
|
else {
|
|
if (($this->_axisX !== null) &&
|
|
(($axisCoordAdd['left'] != 0) ||
|
|
($axisCoordAdd['right'] != 0))
|
|
) {
|
|
// readjust y-axis for better estimate of position
|
|
if ($this->_axisY !== null) {
|
|
$pos = $this->_axisX->_intersectPoint($intersectY['value']);
|
|
$this->_axisY->_setCoords(
|
|
$pos - $sizeY,
|
|
false,
|
|
$pos,
|
|
false
|
|
);
|
|
$this->_axisY->_updateCoords();
|
|
}
|
|
|
|
if ($this->_axisYSecondary !== null) {
|
|
$pos = $this->_axisX->_intersectPoint($intersectYsec['value']);
|
|
$this->_axisYSecondary->_setCoords(
|
|
$pos,
|
|
false,
|
|
$pos + $sizeYsec,
|
|
false
|
|
);
|
|
$this->_axisYSecondary->_updateCoords();
|
|
}
|
|
}
|
|
|
|
// adjust top and bottom of y-axis
|
|
if ($this->_axisY !== null) {
|
|
$this->_axisY->_setCoords(
|
|
false,
|
|
$top + $axisCoordAdd['top'],
|
|
false,
|
|
$bottom - $axisCoordAdd['bottom']
|
|
);
|
|
$this->_axisY->_updateCoords();
|
|
}
|
|
|
|
// adjust top and bottom of y-axis
|
|
if ($this->_axisYSecondary !== null) {
|
|
$this->_axisYSecondary->_setCoords(
|
|
false,
|
|
$top + $axisCoordAdd['top'],
|
|
false,
|
|
$bottom - $axisCoordAdd['bottom']
|
|
);
|
|
$this->_axisYSecondary->_updateCoords();
|
|
}
|
|
|
|
if ($this->_axisX !== null) {
|
|
$this->_plotLeft = $this->_axisX->_left;
|
|
$this->_plotRight = $this->_axisX->_right;
|
|
} else {
|
|
$this->_plotLeft = $left;
|
|
$this->_plotRight = $right;
|
|
}
|
|
|
|
if ($this->_axisY !== null) {
|
|
$this->_plotTop = $this->_axisY->_top;
|
|
$this->_plotBottom = $this->_axisY->_bottom;
|
|
} elseif ($this->_axisYSecondary !== null) {
|
|
$this->_plotTop = $this->_axisYSecondary->_top;
|
|
$this->_plotBottom = $this->_axisYSecondary->_bottom;
|
|
} else {
|
|
$this->_plotTop = $this->_top;
|
|
$this->_plotBottom = $this->_bottom;
|
|
}
|
|
}
|
|
|
|
Image_Graph_Element::_updateCoords();
|
|
/*
|
|
if ($this->_axisX != null) {
|
|
$this->_axisX->_updateCoords();
|
|
}
|
|
if ($this->_axisY != null) {
|
|
$this->_axisY->_updateCoords();
|
|
}
|
|
if ($this->_axisYSecondary != null) {
|
|
$this->_axisYSecondary->_updateCoords();
|
|
}*/
|
|
}
|
|
|
|
/**
|
|
* Set the axis padding for a specified position.
|
|
*
|
|
* The axis padding is padding "inside" the plotarea (i.e. to put some space
|
|
* between the axis line and the actual plot).
|
|
*
|
|
* This can be specified in a number of ways:
|
|
*
|
|
* 1) Specify an associated array with 'left', 'top', 'right' and 'bottom'
|
|
* indices with values for the paddings. Leave out 2nd parameter.
|
|
*
|
|
* 2) Specify an overall padding as the first parameter
|
|
*
|
|
* 3) Specify the padding and position with position values as mentioned
|
|
* above
|
|
*
|
|
* Normally you'd only consider applying axis padding to a category x-axis.
|
|
*
|
|
* @param mixed $value The value/padding
|
|
* @param mixed $position The "position" of the padding
|
|
*/
|
|
function setAxisPadding($value, $position = false)
|
|
{
|
|
if ($position === false) {
|
|
if (is_array($value)) {
|
|
if ($this->_horizontal) {
|
|
if ((isset($value['top'])) && ($this->_axisX !== null)) {
|
|
$this->_axisX->_setAxisPadding('low', $value['top']);
|
|
}
|
|
if ((isset($value['bottom'])) && ($this->_axisX !== null)) {
|
|
$this->_axisX->_setAxisPadding('high', $value['bottom']);
|
|
}
|
|
if ((isset($value['left'])) && ($this->_axisY !== null)) {
|
|
$this->_axisY->_setAxisPadding('low', $value['left']);
|
|
}
|
|
if ((isset($value['right'])) && ($this->_axisY !== null)) {
|
|
$this->_axisY->_setAxisPadding('high', $value['right']);
|
|
}
|
|
if ((isset($value['left'])) && ($this->_axisYSecondary !== null)) {
|
|
$this->_axisYSecondary->_setAxisPadding('low', $value['left']);
|
|
}
|
|
if ((isset($value['right'])) && ($this->_axisYSecondary !== null)) {
|
|
$this->_axisYSecondary->_setAxisPadding('high', $value['right']);
|
|
}
|
|
}
|
|
else {
|
|
if ((isset($value['left'])) && ($this->_axisX !== null)) {
|
|
$this->_axisX->_setAxisPadding('low', $value['left']);
|
|
}
|
|
if ((isset($value['right'])) && ($this->_axisX !== null)) {
|
|
$this->_axisX->_setAxisPadding('high', $value['right']);
|
|
}
|
|
if ((isset($value['bottom'])) && ($this->_axisY !== null)) {
|
|
$this->_axisY->_setAxisPadding('low', $value['bottom']);
|
|
}
|
|
if ((isset($value['top'])) && ($this->_axisY !== null)) {
|
|
$this->_axisY->_setAxisPadding('high', $value['top']);
|
|
}
|
|
if ((isset($value['bottom'])) && ($this->_axisYSecondary !== null)) {
|
|
$this->_axisYSecondary->_setAxisPadding('low', $value['bottom']);
|
|
}
|
|
if ((isset($value['top'])) && ($this->_axisYSecondary !== null)) {
|
|
$this->_axisYSecondary->_setAxisPadding('high', $value['top']);
|
|
}
|
|
}
|
|
} else {
|
|
if ($this->_axisX !== null) {
|
|
$this->_axisX->_setAxisPadding('low', $value);
|
|
$this->_axisX->_setAxisPadding('high', $value);
|
|
}
|
|
if ($this->_axisY !== null) {
|
|
$this->_axisY->_setAxisPadding('low', $value);
|
|
$this->_axisY->_setAxisPadding('high', $value);
|
|
}
|
|
if ($this->_axisYSecondary !== null) {
|
|
$this->_axisYSecondary->_setAxisPadding('low', $value);
|
|
$this->_axisYSecondary->_setAxisPadding('high', $value);
|
|
}
|
|
}
|
|
} else {
|
|
switch ($position) {
|
|
case 'left':
|
|
if ($this->_horizontal) {
|
|
if ($this->_axisY !== null) {
|
|
$this->_axisY->_setAxisPadding('low', $value);
|
|
}
|
|
if ($this->_axisYSecondary !== null) {
|
|
$this->_axisYSecondary->_setAxisPadding('low', $value);
|
|
}
|
|
}
|
|
else if ($this->_axisX !== null) {
|
|
$this->_axisX->_setAxisPadding('low', $value);
|
|
}
|
|
break;
|
|
|
|
case 'right':
|
|
if ($this->_horizontal) {
|
|
if ($this->_axisY !== null) {
|
|
$this->_axisY->_setAxisPadding('high', $value);
|
|
}
|
|
if ($this->_axisYSecondary !== null) {
|
|
$this->_axisYSecondary->_setAxisPadding('high', $value);
|
|
}
|
|
}
|
|
else if ($this->_axisX !== null) {
|
|
$this->_axisX->_setAxisPadding('high', $value);
|
|
}
|
|
break;
|
|
|
|
case 'top':
|
|
if (!$this->_horizontal) {
|
|
if ($this->_axisY !== null) {
|
|
$this->_axisY->_setAxisPadding('high', $value);
|
|
}
|
|
if ($this->_axisYSecondary !== null) {
|
|
$this->_axisYSecondary->_setAxisPadding('high', $value);
|
|
}
|
|
}
|
|
else if ($this->_axisX !== null) {
|
|
$this->_axisX->_setAxisPadding('high', $value);
|
|
}
|
|
break;
|
|
|
|
case 'bottom':
|
|
if (!$this->_horizontal) {
|
|
if ($this->_axisY !== null) {
|
|
$this->_axisY->_setAxisPadding('low', $value);
|
|
}
|
|
if ($this->_axisYSecondary !== null) {
|
|
$this->_axisYSecondary->_setAxisPadding('low', $value);
|
|
}
|
|
}
|
|
else if ($this->_axisX !== null) {
|
|
$this->_axisX->_setAxisPadding('low', $value);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Output the plotarea to the canvas
|
|
*
|
|
* @return bool Was the output 'good' (true) or 'bad' (false).
|
|
* @access private
|
|
*/
|
|
function _done()
|
|
{
|
|
if ($this->_hasData) {
|
|
$this->_canvas->startGroup(get_class($this));
|
|
|
|
if ($this->_axisX != null) {
|
|
$this->add($this->_axisX);
|
|
}
|
|
if ($this->_axisY != null) {
|
|
$this->add($this->_axisY);
|
|
}
|
|
if ($this->_axisYSecondary != null) {
|
|
$this->add($this->_axisYSecondary);
|
|
}
|
|
|
|
$this->_getFillStyle();
|
|
$this->_canvas->rectangle(
|
|
array(
|
|
'x0' => $this->_plotLeft,
|
|
'y0' => $this->_plotTop,
|
|
'x1' => $this->_plotRight,
|
|
'y1' => $this->_plotBottom
|
|
)
|
|
);
|
|
$result = parent::_done();
|
|
$this->_canvas->endGroup();
|
|
return $result;
|
|
} else {
|
|
// no data -> do nothing at all!
|
|
return true;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
?>
|