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1495 lines
53 KiB
1495 lines
53 KiB
<?php |
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/*======================================================================= |
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// File: JPGRAPH_PIE.PHP |
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// Description: Pie plot extension for JpGraph |
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// Created: 2001-02-14 |
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// Ver: $Id: jpgraph_pie.php 1926 2010-01-11 16:33:07Z ljp $ |
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// |
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// Copyright (c) Asial Corporation. All rights reserved. |
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//======================================================================== |
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*/ |
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// Defines for PiePlot::SetLabelType() |
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define("PIE_VALUE_ABS",1); |
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define("PIE_VALUE_PER",0); |
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define("PIE_VALUE_PERCENTAGE",0); |
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define("PIE_VALUE_ADJPERCENTAGE",2); |
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define("PIE_VALUE_ADJPER",2); |
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|
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//=================================================== |
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// CLASS PiePlot |
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// Description: Draws a pie plot |
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//=================================================== |
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class PiePlot { |
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public $posx=0.5,$posy=0.5; |
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public $is_using_plot_theme = false; |
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public $theme="earth"; |
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protected $use_plot_theme_colors = false; |
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protected $radius=0.3; |
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protected $explode_radius=array(),$explode_all=false,$explode_r=20; |
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protected $labels=null, $legends=null; |
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protected $csimtargets=null,$csimwintargets=null; // Array of targets for CSIM |
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protected $csimareas=''; // Generated CSIM text |
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protected $csimalts=array(); // ALT tags for corresponding target |
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protected $data=null; |
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public $title; |
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protected $startangle=0; |
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protected $weight=1, $color="black"; |
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protected $legend_margin=6,$show_labels=true; |
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protected $themearr = array( |
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"earth" => array(136,34,40,45,46,62,63,134,74,10,120,136,141,168,180,77,209,218,346,395,89,430), |
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"pastel" => array(27,415,128,59,66,79,105,110,42,147,152,230,236,240,331,337,405,38), |
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"water" => array(8,370,24,40,335,56,213,237,268,14,326,387,10,388), |
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"sand" => array(27,168,34,170,19,50,65,72,131,209,46,393)); |
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protected $setslicecolors=array(); |
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protected $labeltype=0; // Default to percentage |
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protected $pie_border=true,$pie_interior_border=true; |
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public $value; |
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protected $ishadowcolor='',$ishadowdrop=4; |
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protected $ilabelposadj=1; |
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protected $legendcsimtargets = array(),$legendcsimwintargets = array(); |
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protected $legendcsimalts = array(); |
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protected $adjusted_data = array(); |
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public $guideline = null; |
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protected $guidelinemargin=10,$iShowGuideLineForSingle = false; |
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protected $iGuideLineCurve = false,$iGuideVFactor=1.4,$iGuideLineRFactor=0.8; |
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protected $la = array(); // Holds the exact angle for each label |
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//--------------- |
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// CONSTRUCTOR |
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function __construct($data) { |
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$this->data = array_reverse($data); |
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$this->title = new Text(""); |
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$this->title->SetFont(FF_DEFAULT,FS_BOLD); |
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$this->value = new DisplayValue(); |
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$this->value->Show(); |
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$this->value->SetFormat('%.1f%%'); |
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$this->guideline = new LineProperty(); |
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} |
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//--------------- |
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// PUBLIC METHODS |
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function SetCenter($x,$y=0.5) { |
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$this->posx = $x; |
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$this->posy = $y; |
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} |
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|
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// Enable guideline and set drwaing policy |
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function SetGuideLines($aFlg=true,$aCurved=true,$aAlways=false) { |
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$this->guideline->Show($aFlg); |
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$this->iShowGuideLineForSingle = $aAlways; |
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$this->iGuideLineCurve = $aCurved; |
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} |
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// Adjuste the distance between labels and labels and pie |
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function SetGuideLinesAdjust($aVFactor,$aRFactor=0.8) { |
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$this->iGuideVFactor=$aVFactor; |
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$this->iGuideLineRFactor=$aRFactor; |
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} |
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function SetColor($aColor) { |
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$this->color = $aColor; |
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} |
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function SetSliceColors($aColors) { |
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$this->setslicecolors = $aColors; |
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} |
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function SetShadow($aColor='darkgray',$aDropWidth=4) { |
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$this->ishadowcolor = $aColor; |
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$this->ishadowdrop = $aDropWidth; |
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} |
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function SetCSIMTargets($aTargets,$aAlts='',$aWinTargets='') { |
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$this->csimtargets=array_reverse($aTargets); |
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if( is_array($aWinTargets) ) |
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$this->csimwintargets=array_reverse($aWinTargets); |
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if( is_array($aAlts) ) |
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$this->csimalts=array_reverse($aAlts); |
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} |
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|
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function GetCSIMareas() { |
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return $this->csimareas; |
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} |
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|
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function AddSliceToCSIM($i,$xc,$yc,$radius,$sa,$ea) { |
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//Slice number, ellipse centre (x,y), height, width, start angle, end angle |
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while( $sa > 2*M_PI ) $sa = $sa - 2*M_PI; |
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while( $ea > 2*M_PI ) $ea = $ea - 2*M_PI; |
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$sa = 2*M_PI - $sa; |
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$ea = 2*M_PI - $ea; |
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|
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// Special case when we have only one slice since then both start and end |
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// angle will be == 0 |
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if( abs($sa - $ea) < 0.0001 ) { |
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$sa=2*M_PI; $ea=0; |
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} |
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|
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//add coordinates of the centre to the map |
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$xc = floor($xc);$yc=floor($yc); |
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$coords = "$xc, $yc"; |
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|
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//add coordinates of the first point on the arc to the map |
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$xp = floor(($radius*cos($ea))+$xc); |
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$yp = floor($yc-$radius*sin($ea)); |
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$coords.= ", $xp, $yp"; |
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|
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//add coordinates every 0.2 radians |
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$a=$ea+0.2; |
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// If we cross the 360-limit with a slice we need to handle |
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// the fact that end angle is smaller than start |
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if( $sa < $ea ) { |
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while ($a <= 2*M_PI) { |
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$xp = floor($radius*cos($a)+$xc); |
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$yp = floor($yc-$radius*sin($a)); |
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$coords.= ", $xp, $yp"; |
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$a += 0.2; |
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} |
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$a -= 2*M_PI; |
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} |
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while ($a < $sa) { |
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$xp = floor($radius*cos($a)+$xc); |
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$yp = floor($yc-$radius*sin($a)); |
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$coords.= ", $xp, $yp"; |
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$a += 0.2; |
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} |
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//Add the last point on the arc |
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$xp = floor($radius*cos($sa)+$xc); |
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$yp = floor($yc-$radius*sin($sa)); |
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$coords.= ", $xp, $yp"; |
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if( !empty($this->csimtargets[$i]) ) { |
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$this->csimareas .= "<area shape=\"poly\" coords=\"$coords\" href=\"".$this->csimtargets[$i]."\""; |
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$tmp=""; |
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if( !empty($this->csimwintargets[$i]) ) { |
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$this->csimareas .= " target=\"".$this->csimwintargets[$i]."\" "; |
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} |
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if( !empty($this->csimalts[$i]) ) { |
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$tmp=sprintf($this->csimalts[$i],$this->data[$i]); |
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$this->csimareas .= " title=\"$tmp\" alt=\"$tmp\" "; |
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} |
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$this->csimareas .= " />\n"; |
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} |
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} |
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function SetTheme($aTheme) { |
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// JpGraphError::RaiseL(15012,$aTheme); |
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// return; |
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if( in_array($aTheme,array_keys($this->themearr)) ) { |
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$this->theme = $aTheme; |
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$this->is_using_plot_theme = true; |
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} else { |
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JpGraphError::RaiseL(15001,$aTheme);//("PiePLot::SetTheme() Unknown theme: $aTheme"); |
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} |
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} |
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function ExplodeSlice($e,$radius=20) { |
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if( ! is_integer($e) ) |
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JpGraphError::RaiseL(15002);//('Argument to PiePlot::ExplodeSlice() must be an integer'); |
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$this->explode_radius[$e]=$radius; |
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} |
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function ExplodeAll($radius=20) { |
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$this->explode_all=true; |
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$this->explode_r = $radius; |
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} |
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function Explode($aExplodeArr) { |
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if( !is_array($aExplodeArr) ) { |
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JpGraphError::RaiseL(15003); |
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//("Argument to PiePlot::Explode() must be an array with integer distances."); |
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} |
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$this->explode_radius = $aExplodeArr; |
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} |
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function SetStartAngle($aStart) { |
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if( $aStart < 0 || $aStart > 360 ) { |
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JpGraphError::RaiseL(15004);//('Slice start angle must be between 0 and 360 degrees.'); |
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} |
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if( $aStart == 0 ) { |
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$this->startangle = 0; |
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} |
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else { |
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$this->startangle = 360-$aStart; |
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$this->startangle *= M_PI/180; |
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} |
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} |
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// Size in percentage |
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function SetSize($aSize) { |
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if( ($aSize>0 && $aSize<=0.5) || ($aSize>10 && $aSize<1000) ) |
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$this->radius = $aSize; |
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else |
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JpGraphError::RaiseL(15006); |
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//("PiePlot::SetSize() Radius for pie must either be specified as a fraction [0, 0.5] of the size of the image or as an absolute size in pixels in the range [10, 1000]"); |
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} |
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// Set label arrays |
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function SetLegends($aLegend) { |
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$this->legends = $aLegend; |
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} |
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// Set text labels for slices |
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function SetLabels($aLabels,$aLblPosAdj="auto") { |
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$this->labels = array_reverse($aLabels); |
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$this->ilabelposadj=$aLblPosAdj; |
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} |
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function SetLabelPos($aLblPosAdj) { |
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$this->ilabelposadj=$aLblPosAdj; |
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} |
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// Should we display actual value or percentage? |
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function SetLabelType($aType) { |
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if( $aType < 0 || $aType > 2 ) |
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JpGraphError::RaiseL(15008,$aType); |
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//("PiePlot::SetLabelType() Type for pie plots must be 0 or 1 (not $t)."); |
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$this->labeltype = $aType; |
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} |
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// Deprecated. |
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function SetValueType($aType) { |
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$this->SetLabelType($aType); |
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} |
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// Should the circle around a pie plot be displayed |
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function ShowBorder($exterior=true,$interior=true) { |
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$this->pie_border = $exterior; |
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$this->pie_interior_border = $interior; |
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} |
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// Setup the legends |
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function Legend($graph) { |
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$colors = array_keys($graph->img->rgb->rgb_table); |
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sort($colors); |
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$ta=$this->themearr[$this->theme]; |
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$n = count($this->data); |
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|
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if( $this->setslicecolors==null ) { |
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$numcolors=count($ta); |
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if( class_exists('PiePlot3D',false) && ($this instanceof PiePlot3D) ) { |
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$ta = array_reverse(array_slice($ta,0,$n)); |
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} |
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} |
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else { |
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$this->setslicecolors = array_slice($this->setslicecolors,0,$n); |
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$numcolors=count($this->setslicecolors); |
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if( $graph->pieaa && !($this instanceof PiePlot3D) ) { |
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$this->setslicecolors = array_reverse($this->setslicecolors); |
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} |
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} |
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$sum=0; |
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for($i=0; $i < $n; ++$i) |
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$sum += $this->data[$i]; |
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// Bail out with error if the sum is 0 |
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if( $sum==0 ) |
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JpGraphError::RaiseL(15009);//("Illegal pie plot. Sum of all data is zero for Pie!"); |
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// Make sure we don't plot more values than data points |
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// (in case the user added more legends than data points) |
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$n = min(count($this->legends),count($this->data)); |
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if( $this->legends != "" ) { |
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$this->legends = array_reverse(array_slice($this->legends,0,$n)); |
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} |
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for( $i=$n-1; $i >= 0; --$i ) { |
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$l = $this->legends[$i]; |
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// Replace possible format with actual values |
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if( count($this->csimalts) > $i ) { |
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$fmt = $this->csimalts[$i]; |
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} |
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else { |
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$fmt = "%d"; // Deafult Alt if no other has been specified |
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} |
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if( $this->labeltype==0 ) { |
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$l = sprintf($l,100*$this->data[$i]/$sum); |
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$alt = sprintf($fmt,$this->data[$i]); |
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} |
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elseif( $this->labeltype == 1) { |
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$l = sprintf($l,$this->data[$i]); |
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$alt = sprintf($fmt,$this->data[$i]); |
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} |
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else { |
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$l = sprintf($l,$this->adjusted_data[$i]); |
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$alt = sprintf($fmt,$this->adjusted_data[$i]); |
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} |
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|
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if( empty($this->csimwintargets[$i]) ) { |
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$wintarg = ''; |
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} |
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else { |
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$wintarg = $this->csimwintargets[$i]; |
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} |
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|
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if( $this->setslicecolors==null ) { |
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$graph->legend->Add($l,$colors[$ta[$i%$numcolors]],"",0,$this->csimtargets[$i],$alt,$wintarg); |
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} |
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else { |
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$graph->legend->Add($l,$this->setslicecolors[$i%$numcolors],"",0,$this->csimtargets[$i],$alt,$wintarg); |
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} |
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} |
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} |
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// Adjust the rounded percetage value so that the sum of |
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// of the pie slices are always 100% |
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// Using the Hare/Niemeyer method |
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function AdjPercentage($aData,$aPrec=0) { |
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$mul=100; |
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if( $aPrec > 0 && $aPrec < 3 ) { |
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if( $aPrec == 1 ) |
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$mul=1000; |
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else |
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$mul=10000; |
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} |
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|
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$tmp = array(); |
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$result = array(); |
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$quote_sum=0; |
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$n = count($aData) ; |
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for( $i=0, $sum=0; $i < $n; ++$i ) |
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$sum+=$aData[$i]; |
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foreach($aData as $index => $value) { |
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$tmp_percentage=$value/$sum*$mul; |
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$result[$index]=floor($tmp_percentage); |
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$tmp[$index]=$tmp_percentage-$result[$index]; |
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$quote_sum+=$result[$index]; |
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} |
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if( $quote_sum == $mul) { |
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if( $mul > 100 ) { |
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$tmp = $mul / 100; |
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for( $i=0; $i < $n; ++$i ) { |
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$result[$i] /= $tmp ; |
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} |
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} |
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return $result; |
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} |
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arsort($tmp,SORT_NUMERIC); |
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reset($tmp); |
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for($i=0; $i < $mul-$quote_sum; $i++) |
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{ |
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$result[key($tmp)]++; |
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next($tmp); |
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} |
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if( $mul > 100 ) { |
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$tmp = $mul / 100; |
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for( $i=0; $i < $n; ++$i ) { |
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$result[$i] /= $tmp ; |
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} |
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} |
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return $result; |
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} |
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function Stroke($img,$aaoption=0) { |
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// aaoption is used to handle antialias |
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// aaoption == 0 a normal pie |
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// aaoption == 1 just the body |
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// aaoption == 2 just the values |
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|
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// Explode scaling. If anti alias we scale the image |
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// twice and we also need to scale the exploding distance |
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$expscale = $aaoption === 1 ? 2 : 1; |
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|
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if( $this->labeltype == 2 ) { |
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// Adjust the data so that it will add up to 100% |
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$this->adjusted_data = $this->AdjPercentage($this->data); |
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} |
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|
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if ($this->use_plot_theme_colors) { |
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$this->setslicecolors = null; |
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} |
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|
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$colors = array_keys($img->rgb->rgb_table); |
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sort($colors); |
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$ta=$this->themearr[$this->theme]; |
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$n = count($this->data); |
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|
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if( $this->setslicecolors==null ) { |
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$numcolors=count($ta); |
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} |
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else { |
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// We need to create an array of colors as long as the data |
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// since we need to reverse it to get the colors in the right order |
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$numcolors=count($this->setslicecolors); |
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$i = 2*$numcolors; |
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while( $n > $i ) { |
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$this->setslicecolors = array_merge($this->setslicecolors,$this->setslicecolors); |
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$i += $n; |
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} |
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$tt = array_slice($this->setslicecolors,0,$n % $numcolors); |
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$this->setslicecolors = array_merge($this->setslicecolors,$tt); |
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$this->setslicecolors = array_reverse($this->setslicecolors); |
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} |
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|
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// Draw the slices |
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$sum=0; |
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for($i=0; $i < $n; ++$i) |
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$sum += $this->data[$i]; |
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|
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// Bail out with error if the sum is 0 |
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if( $sum==0 ) { |
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JpGraphError::RaiseL(15009);//("Sum of all data is 0 for Pie."); |
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} |
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|
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// Set up the pie-circle |
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if( $this->radius <= 1 ) { |
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$radius = floor($this->radius*min($img->width,$img->height)); |
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} |
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else { |
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$radius = $aaoption === 1 ? $this->radius*2 : $this->radius; |
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} |
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|
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if( $this->posx <= 1 && $this->posx > 0 ) { |
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$xc = round($this->posx*$img->width); |
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} |
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else { |
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$xc = $this->posx ; |
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} |
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|
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if( $this->posy <= 1 && $this->posy > 0 ) { |
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$yc = round($this->posy*$img->height); |
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} |
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else { |
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$yc = $this->posy ; |
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} |
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|
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$n = count($this->data); |
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|
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if( $this->explode_all ) { |
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for($i=0; $i < $n; ++$i) { |
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$this->explode_radius[$i]=$this->explode_r; |
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} |
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} |
|
|
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// If we have a shadow and not just drawing the labels |
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if( $this->ishadowcolor != "" && $aaoption !== 2) { |
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$accsum=0; |
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$angle2 = $this->startangle; |
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$img->SetColor($this->ishadowcolor); |
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for($i=0; $sum > 0 && $i < $n; ++$i) { |
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$j = $n-$i-1; |
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$d = $this->data[$i]; |
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$angle1 = $angle2; |
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$accsum += $d; |
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$angle2 = $this->startangle+2*M_PI*$accsum/$sum; |
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if( empty($this->explode_radius[$j]) ) { |
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$this->explode_radius[$j]=0; |
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} |
|
|
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if( $d < 0.00001 ) continue; |
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|
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$la = 2*M_PI - (abs($angle2-$angle1)/2.0+$angle1); |
|
|
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$xcm = $xc + $this->explode_radius[$j]*cos($la)*$expscale; |
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$ycm = $yc - $this->explode_radius[$j]*sin($la)*$expscale; |
|
|
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$xcm += $this->ishadowdrop*$expscale; |
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$ycm += $this->ishadowdrop*$expscale; |
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|
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$_sa = round($angle1*180/M_PI); |
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$_ea = round($angle2*180/M_PI); |
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|
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// The CakeSlice method draws a full circle in case of start angle = end angle |
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// for pie slices we don't want this behaviour unless we only have one |
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// slice in the pie in case it is the wanted behaviour |
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if( $_ea-$_sa > 0.1 || $n==1 ) { |
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$img->CakeSlice($xcm,$ycm,$radius-1,$radius-1, |
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$angle1*180/M_PI,$angle2*180/M_PI,$this->ishadowcolor); |
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} |
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} |
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} |
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|
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//-------------------------------------------------------------------------------- |
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// This is the main loop to draw each cake slice |
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//-------------------------------------------------------------------------------- |
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|
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// Set up the accumulated sum, start angle for first slice and border color |
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$accsum=0; |
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$angle2 = $this->startangle; |
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$img->SetColor($this->color); |
|
|
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// Loop though all the slices if there is a pie to draw (sum>0) |
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// There are n slices in total |
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for($i=0; $sum>0 && $i < $n; ++$i) { |
|
|
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// $j is the actual index used for the slice |
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$j = $n-$i-1; |
|
|
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// Make sure we havea valid distance to explode the slice |
|
if( empty($this->explode_radius[$j]) ) { |
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$this->explode_radius[$j]=0; |
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} |
|
|
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// The actual numeric value for the slice |
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$d = $this->data[$i]; |
|
|
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$angle1 = $angle2; |
|
|
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// Accumlate the sum |
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$accsum += $d; |
|
|
|
// The new angle when we add the "size" of this slice |
|
// angle1 is then the start and angle2 the end of this slice |
|
$angle2 = $this->NormAngle($this->startangle+2*M_PI*$accsum/$sum); |
|
|
|
// We avoid some trouble by not allowing end angle to be 0, in that case |
|
// we translate to 360 |
|
|
|
// la is used to hold the label angle, which is centered on the slice |
|
if( $angle2 < 0.0001 && $angle1 > 0.0001 ) { |
|
$this->la[$i] = 2*M_PI - (abs(2*M_PI-$angle1)/2.0+$angle1); |
|
} |
|
elseif( $angle1 > $angle2 ) { |
|
// The case where the slice crosses the 3 a'clock line |
|
// Remember that the slices are counted clockwise and |
|
// labels are counted counter clockwise so we need to revert with 2 PI |
|
$this->la[$i] = 2*M_PI-$this->NormAngle($angle1 + ((2*M_PI - $angle1)+$angle2)/2); |
|
} |
|
else { |
|
$this->la[$i] = 2*M_PI - (abs($angle2-$angle1)/2.0+$angle1); |
|
} |
|
|
|
// Too avoid rounding problems we skip the slice if it is too small |
|
if( $d < 0.00001 ) continue; |
|
|
|
// If the user has specified an array of colors for each slice then use |
|
// that a color otherwise use the theme array (ta) of colors |
|
if( $this->setslicecolors==null ) { |
|
$slicecolor=$colors[$ta[$i%$numcolors]]; |
|
} |
|
else { |
|
$slicecolor=$this->setslicecolors[$i%$numcolors]; |
|
} |
|
|
|
// $_sa = round($angle1*180/M_PI); |
|
// $_ea = round($angle2*180/M_PI); |
|
// $_la = round($this->la[$i]*180/M_PI); |
|
// echo "Slice#$i: ang1=$_sa , ang2=$_ea, la=$_la, color=$slicecolor<br>"; |
|
|
|
|
|
// If we have enabled antialias then we don't draw any border so |
|
// make the bordedr color the same as the slice color |
|
if( $this->pie_interior_border && $aaoption===0 ) { |
|
$img->SetColor($this->color); |
|
} |
|
else { |
|
$img->SetColor($slicecolor); |
|
} |
|
$arccolor = $this->pie_border && $aaoption===0 ? $this->color : ""; |
|
|
|
// Calculate the x,y coordinates for the base of this slice taking |
|
// the exploded distance into account. Here we use the mid angle as the |
|
// ray of extension and we have the mid angle handy as it is also the |
|
// label angle |
|
$xcm = $xc + $this->explode_radius[$j]*cos($this->la[$i])*$expscale; |
|
$ycm = $yc - $this->explode_radius[$j]*sin($this->la[$i])*$expscale; |
|
|
|
// If we are not just drawing the labels then draw this cake slice |
|
if( $aaoption !== 2 ) { |
|
|
|
$_sa = round($angle1*180/M_PI); |
|
$_ea = round($angle2*180/M_PI); |
|
$_la = round($this->la[$i]*180/M_PI); |
|
//echo "[$i] sa=$_sa, ea=$_ea, la[$i]=$_la, (color=$slicecolor)<br>"; |
|
|
|
// The CakeSlice method draws a full circle in case of start angle = end angle |
|
// for pie slices we want this in case the slice have a value larger than 99% of the |
|
// total sum |
|
if( abs($_ea-$_sa) >= 1 || $d == $sum ) { |
|
$img->CakeSlice($xcm,$ycm,$radius-1,$radius-1,$_sa,$_ea,$slicecolor,$arccolor); |
|
} |
|
} |
|
|
|
// If the CSIM is used then make sure we register a CSIM area for this slice as well |
|
if( $this->csimtargets && $aaoption !== 1 ) { |
|
$this->AddSliceToCSIM($i,$xcm,$ycm,$radius,$angle1,$angle2); |
|
} |
|
} |
|
|
|
// Format the titles for each slice |
|
if( $aaoption !== 2 ) { |
|
for( $i=0; $i < $n; ++$i) { |
|
if( $this->labeltype==0 ) { |
|
if( $sum != 0 ) |
|
$l = 100.0*$this->data[$i]/$sum; |
|
else |
|
$l = 0.0; |
|
} |
|
elseif( $this->labeltype==1 ) { |
|
$l = $this->data[$i]*1.0; |
|
} |
|
else { |
|
$l = $this->adjusted_data[$i]; |
|
} |
|
if( isset($this->labels[$i]) && is_string($this->labels[$i]) ) |
|
$this->labels[$i]=sprintf($this->labels[$i],$l); |
|
else |
|
$this->labels[$i]=$l; |
|
} |
|
} |
|
|
|
if( $this->value->show && $aaoption !== 1 ) { |
|
$this->StrokeAllLabels($img,$xc,$yc,$radius); |
|
} |
|
|
|
// Adjust title position |
|
if( $aaoption !== 1 ) { |
|
$this->title->SetPos($xc, |
|
$yc-$this->title->GetFontHeight($img)-$radius-$this->title->margin, |
|
"center","bottom"); |
|
$this->title->Stroke($img); |
|
} |
|
|
|
} |
|
|
|
//--------------- |
|
// PRIVATE METHODS |
|
|
|
function NormAngle($a) { |
|
while( $a < 0 ) $a += 2*M_PI; |
|
while( $a > 2*M_PI ) $a -= 2*M_PI; |
|
return $a; |
|
} |
|
|
|
function Quadrant($a) { |
|
$a=$this->NormAngle($a); |
|
if( $a > 0 && $a <= M_PI/2 ) |
|
return 0; |
|
if( $a > M_PI/2 && $a <= M_PI ) |
|
return 1; |
|
if( $a > M_PI && $a <= 1.5*M_PI ) |
|
return 2; |
|
if( $a > 1.5*M_PI ) |
|
return 3; |
|
} |
|
|
|
function StrokeGuideLabels($img,$xc,$yc,$radius) { |
|
$n = count($this->labels); |
|
|
|
//----------------------------------------------------------------------- |
|
// Step 1 of the algorithm is to construct a number of clusters |
|
// a cluster is defined as all slices within the same quadrant (almost) |
|
// that has an angular distance less than the treshold |
|
//----------------------------------------------------------------------- |
|
$tresh_hold=25 * M_PI/180; // 25 degrees difference to be in a cluster |
|
$incluster=false; // flag if we are currently in a cluster or not |
|
$clusters = array(); // array of clusters |
|
$cidx=-1; // running cluster index |
|
|
|
// Go through all the labels and construct a number of clusters |
|
for($i=0; $i < $n-1; ++$i) { |
|
// Calc the angle distance between two consecutive slices |
|
$a1=$this->la[$i]; |
|
$a2=$this->la[$i+1]; |
|
$q1 = $this->Quadrant($a1); |
|
$q2 = $this->Quadrant($a2); |
|
$diff = abs($a1-$a2); |
|
if( $diff < $tresh_hold ) { |
|
if( $incluster ) { |
|
$clusters[$cidx][1]++; |
|
// Each cluster can only cover one quadrant |
|
// Do we cross a quadrant ( and must break the cluster) |
|
if( $q1 != $q2 ) { |
|
// If we cross a quadrant boundary we normally start a |
|
// new cluster. However we need to take the 12'a clock |
|
// and 6'a clock positions into a special consideration. |
|
// Case 1: WE go from q=1 to q=2 if the last slice on |
|
// the cluster for q=1 is close to 12'a clock and the |
|
// first slice in q=0 is small we extend the previous |
|
// cluster |
|
if( $q1 == 1 && $q2 == 0 && $a2 > (90-15)*M_PI/180 ) { |
|
if( $i < $n-2 ) { |
|
$a3 = $this->la[$i+2]; |
|
// If there isn't a cluster coming up with the next-next slice |
|
// we extend the previous cluster to cover this slice as well |
|
if( abs($a3-$a2) >= $tresh_hold ) { |
|
$clusters[$cidx][1]++; |
|
$i++; |
|
} |
|
} |
|
} |
|
elseif( $q1 == 3 && $q2 == 2 && $a2 > (270-15)*M_PI/180 ) { |
|
if( $i < $n-2 ) { |
|
$a3 = $this->la[$i+2]; |
|
// If there isn't a cluster coming up with the next-next slice |
|
// we extend the previous cluster to cover this slice as well |
|
if( abs($a3-$a2) >= $tresh_hold ) { |
|
$clusters[$cidx][1]++; |
|
$i++; |
|
} |
|
} |
|
} |
|
|
|
if( $q1==2 && $q2==1 && $a2 > (180-15)*M_PI/180 ) { |
|
$clusters[$cidx][1]++; |
|
$i++; |
|
} |
|
|
|
$incluster = false; |
|
} |
|
} |
|
elseif( $q1 == $q2) { |
|
$incluster = true; |
|
// Now we have a special case for quadrant 0. If we previously |
|
// have a cluster of one in quadrant 0 we just extend that |
|
// cluster. If we don't do this then we risk that the label |
|
// for the cluster of one will cross the guide-line |
|
if( $q1 == 0 && $cidx > -1 && |
|
$clusters[$cidx][1] == 1 && |
|
$this->Quadrant($this->la[$clusters[$cidx][0]]) == 0 ) { |
|
$clusters[$cidx][1]++; |
|
} |
|
else { |
|
$cidx++; |
|
$clusters[$cidx][0] = $i; |
|
$clusters[$cidx][1] = 1; |
|
} |
|
} |
|
else { |
|
// Create a "cluster" of one since we are just crossing |
|
// a quadrant |
|
$cidx++; |
|
$clusters[$cidx][0] = $i; |
|
$clusters[$cidx][1] = 1; |
|
} |
|
} |
|
else { |
|
if( $incluster ) { |
|
// Add the last slice |
|
$clusters[$cidx][1]++; |
|
$incluster = false; |
|
} |
|
else { // Create a "cluster" of one |
|
$cidx++; |
|
$clusters[$cidx][0] = $i; |
|
$clusters[$cidx][1] = 1; |
|
} |
|
} |
|
} |
|
// Handle the very last slice |
|
if( $incluster ) { |
|
$clusters[$cidx][1]++; |
|
} |
|
else { // Create a "cluster" of one |
|
$cidx++; |
|
$clusters[$cidx][0] = $i; |
|
$clusters[$cidx][1] = 1; |
|
} |
|
|
|
/* |
|
if( true ) { |
|
// Debug printout in labels |
|
for( $i=0; $i <= $cidx; ++$i ) { |
|
for( $j=0; $j < $clusters[$i][1]; ++$j ) { |
|
$a = $this->la[$clusters[$i][0]+$j]; |
|
$aa = round($a*180/M_PI); |
|
$q = $this->Quadrant($a); |
|
$this->labels[$clusters[$i][0]+$j]="[$q:$aa] $i:$j"; |
|
} |
|
} |
|
} |
|
*/ |
|
|
|
//----------------------------------------------------------------------- |
|
// Step 2 of the algorithm is use the clusters and draw the labels |
|
// and guidelines |
|
//----------------------------------------------------------------------- |
|
|
|
// We use the font height as the base factor for how far we need to |
|
// spread the labels in the Y-direction. |
|
$this->value->ApplyFont($img); |
|
$fh = $img->GetFontHeight(); |
|
$origvstep=$fh*$this->iGuideVFactor; |
|
$this->value->SetMargin(0); |
|
|
|
// Number of clusters found |
|
$nc = count($clusters); |
|
|
|
// Walk through all the clusters |
|
for($i=0; $i < $nc; ++$i) { |
|
|
|
// Start angle and number of slices in this cluster |
|
$csize = $clusters[$i][1]; |
|
$a = $this->la[$clusters[$i][0]]; |
|
$q = $this->Quadrant($a); |
|
|
|
// Now set up the start and end conditions to make sure that |
|
// in each cluster we walk through the all the slices starting with the slice |
|
// closest to the equator. Since all slices are numbered clockwise from "3'a clock" |
|
// we have different conditions depending on in which quadrant the slice lies within. |
|
if( $q == 0 ) { |
|
$start = $csize-1; $idx = $start; $step = -1; $vstep = -$origvstep; |
|
} |
|
elseif( $q == 1 ) { |
|
$start = 0; $idx = $start; $step = 1; $vstep = -$origvstep; |
|
} |
|
elseif( $q == 2 ) { |
|
$start = $csize-1; $idx = $start; $step = -1; $vstep = $origvstep; |
|
} |
|
elseif( $q == 3 ) { |
|
$start = 0; $idx = $start; $step = 1; $vstep = $origvstep; |
|
} |
|
|
|
// Walk through all slices within this cluster |
|
for($j=0; $j < $csize; ++$j) { |
|
// Now adjust the position of the labels in each cluster starting |
|
// with the slice that is closest to the equator of the pie |
|
$a = $this->la[$clusters[$i][0]+$idx]; |
|
|
|
// Guide line start in the center of the arc of the slice |
|
$r = $radius+$this->explode_radius[$n-1-($clusters[$i][0]+$idx)]; |
|
$x = round($r*cos($a)+$xc); |
|
$y = round($yc-$r*sin($a)); |
|
|
|
// The distance from the arc depends on chosen font and the "R-Factor" |
|
$r += $fh*$this->iGuideLineRFactor; |
|
|
|
// Should the labels be placed curved along the pie or in straight columns |
|
// outside the pie? |
|
if( $this->iGuideLineCurve ) |
|
$xt=round($r*cos($a)+$xc); |
|
|
|
// If this is the first slice in the cluster we need some first time |
|
// proessing |
|
if( $idx == $start ) { |
|
if( ! $this->iGuideLineCurve ) |
|
$xt=round($r*cos($a)+$xc); |
|
$yt=round($yc-$r*sin($a)); |
|
|
|
// Some special consideration in case this cluster starts |
|
// in quadrant 1 or 3 very close to the "equator" (< 20 degrees) |
|
// and the previous clusters last slice is within the tolerance. |
|
// In that case we add a font height to this labels Y-position |
|
// so it doesn't collide with |
|
// the slice in the previous cluster |
|
$prevcluster = ($i + ($nc-1) ) % $nc; |
|
$previdx=$clusters[$prevcluster][0]+$clusters[$prevcluster][1]-1; |
|
if( $q == 1 && $a > 160*M_PI/180 ) { |
|
// Get the angle for the previous clusters last slice |
|
$diff = abs($a-$this->la[$previdx]); |
|
if( $diff < $tresh_hold ) { |
|
$yt -= $fh; |
|
} |
|
} |
|
elseif( $q == 3 && $a > 340*M_PI/180 ) { |
|
// We need to subtract 360 to compare angle distance between |
|
// q=0 and q=3 |
|
$diff = abs($a-$this->la[$previdx]-360*M_PI/180); |
|
if( $diff < $tresh_hold ) { |
|
$yt += $fh; |
|
} |
|
} |
|
|
|
} |
|
else { |
|
// The step is at minimum $vstep but if the slices are relatively large |
|
// we make sure that we add at least a step that corresponds to the vertical |
|
// distance between the centers at the arc on the slice |
|
$prev_a = $this->la[$clusters[$i][0]+($idx-$step)]; |
|
$dy = abs($radius*(sin($a)-sin($prev_a))*1.2); |
|
if( $vstep > 0 ) |
|
$yt += max($vstep,$dy); |
|
else |
|
$yt += min($vstep,-$dy); |
|
} |
|
|
|
$label = $this->labels[$clusters[$i][0]+$idx]; |
|
|
|
if( $csize == 1 ) { |
|
// A "meta" cluster with only one slice |
|
$r = $radius+$this->explode_radius[$n-1-($clusters[$i][0]+$idx)]; |
|
$rr = $r+$img->GetFontHeight()/2; |
|
$xt=round($rr*cos($a)+$xc); |
|
$yt=round($yc-$rr*sin($a)); |
|
$this->StrokeLabel($label,$img,$xc,$yc,$a,$r); |
|
if( $this->iShowGuideLineForSingle ) |
|
$this->guideline->Stroke($img,$x,$y,$xt,$yt); |
|
} |
|
else { |
|
$this->guideline->Stroke($img,$x,$y,$xt,$yt); |
|
if( $q==1 || $q==2 ) { |
|
// Left side of Pie |
|
$this->guideline->Stroke($img,$xt,$yt,$xt-$this->guidelinemargin,$yt); |
|
$lbladj = -$this->guidelinemargin-5; |
|
$this->value->halign = "right"; |
|
$this->value->valign = "center"; |
|
} |
|
else { |
|
// Right side of pie |
|
$this->guideline->Stroke($img,$xt,$yt,$xt+$this->guidelinemargin,$yt); |
|
$lbladj = $this->guidelinemargin+5; |
|
$this->value->halign = "left"; |
|
$this->value->valign = "center"; |
|
} |
|
$this->value->Stroke($img,$label,$xt+$lbladj,$yt); |
|
} |
|
|
|
// Udate idx to point to next slice in the cluster to process |
|
$idx += $step; |
|
} |
|
} |
|
} |
|
|
|
function StrokeAllLabels($img,$xc,$yc,$radius) { |
|
// First normalize all angles for labels |
|
$n = count($this->la); |
|
for($i=0; $i < $n; ++$i) { |
|
$this->la[$i] = $this->NormAngle($this->la[$i]); |
|
} |
|
if( $this->guideline->iShow ) { |
|
$this->StrokeGuideLabels($img,$xc,$yc,$radius); |
|
} |
|
else { |
|
$n = count($this->labels); |
|
for($i=0; $i < $n; ++$i) { |
|
$this->StrokeLabel($this->labels[$i],$img,$xc,$yc, |
|
$this->la[$i], |
|
$radius + $this->explode_radius[$n-1-$i]); |
|
} |
|
} |
|
} |
|
|
|
// Position the labels of each slice |
|
function StrokeLabel($label,$img,$xc,$yc,$a,$r) { |
|
|
|
// Default value |
|
if( $this->ilabelposadj === 'auto' ) |
|
$this->ilabelposadj = 0.65; |
|
|
|
// We position the values diferently depending on if they are inside |
|
// or outside the pie |
|
if( $this->ilabelposadj < 1.0 ) { |
|
|
|
$this->value->SetAlign('center','center'); |
|
$this->value->margin = 0; |
|
|
|
$xt=round($this->ilabelposadj*$r*cos($a)+$xc); |
|
$yt=round($yc-$this->ilabelposadj*$r*sin($a)); |
|
|
|
$this->value->Stroke($img,$label,$xt,$yt); |
|
} |
|
else { |
|
|
|
$this->value->halign = "left"; |
|
$this->value->valign = "top"; |
|
$this->value->margin = 0; |
|
|
|
// Position the axis title. |
|
// dx, dy is the offset from the top left corner of the bounding box that sorrounds the text |
|
// that intersects with the extension of the corresponding axis. The code looks a little |
|
// bit messy but this is really the only way of having a reasonable position of the |
|
// axis titles. |
|
$this->value->ApplyFont($img); |
|
$h=$img->GetTextHeight($label); |
|
// For numeric values the format of the display value |
|
// must be taken into account |
|
if( is_numeric($label) ) { |
|
if( $label > 0 ) |
|
$w=$img->GetTextWidth(sprintf($this->value->format,$label)); |
|
else |
|
$w=$img->GetTextWidth(sprintf($this->value->negformat,$label)); |
|
} |
|
else |
|
$w=$img->GetTextWidth($label); |
|
|
|
if( $this->ilabelposadj > 1.0 && $this->ilabelposadj < 5.0) { |
|
$r *= $this->ilabelposadj; |
|
} |
|
|
|
$r += $img->GetFontHeight()/1.5; |
|
|
|
$xt=round($r*cos($a)+$xc); |
|
$yt=round($yc-$r*sin($a)); |
|
|
|
// Normalize angle |
|
while( $a < 0 ) $a += 2*M_PI; |
|
while( $a > 2*M_PI ) $a -= 2*M_PI; |
|
|
|
if( $a>=7*M_PI/4 || $a <= M_PI/4 ) $dx=0; |
|
if( $a>=M_PI/4 && $a <= 3*M_PI/4 ) $dx=($a-M_PI/4)*2/M_PI; |
|
if( $a>=3*M_PI/4 && $a <= 5*M_PI/4 ) $dx=1; |
|
if( $a>=5*M_PI/4 && $a <= 7*M_PI/4 ) $dx=(1-($a-M_PI*5/4)*2/M_PI); |
|
|
|
if( $a>=7*M_PI/4 ) $dy=(($a-M_PI)-3*M_PI/4)*2/M_PI; |
|
if( $a<=M_PI/4 ) $dy=(1-$a*2/M_PI); |
|
if( $a>=M_PI/4 && $a <= 3*M_PI/4 ) $dy=1; |
|
if( $a>=3*M_PI/4 && $a <= 5*M_PI/4 ) $dy=(1-($a-3*M_PI/4)*2/M_PI); |
|
if( $a>=5*M_PI/4 && $a <= 7*M_PI/4 ) $dy=0; |
|
|
|
$this->value->Stroke($img,$label,$xt-$dx*$w,$yt-$dy*$h); |
|
} |
|
} |
|
|
|
function UsePlotThemeColors($flag = true) { |
|
$this->use_plot_theme_colors = $flag; |
|
} |
|
} // Class |
|
|
|
|
|
//=================================================== |
|
// CLASS PiePlotC |
|
// Description: Same as a normal pie plot but with a |
|
// filled circle in the center |
|
//=================================================== |
|
class PiePlotC extends PiePlot { |
|
private $imidsize=0.5; // Fraction of total width |
|
private $imidcolor='white'; |
|
public $midtitle=''; |
|
private $middlecsimtarget='',$middlecsimwintarget='',$middlecsimalt=''; |
|
|
|
function __construct($data,$aCenterTitle='') { |
|
parent::__construct($data); |
|
$this->midtitle = new Text(); |
|
$this->midtitle->ParagraphAlign('center'); |
|
} |
|
|
|
function SetMid($aTitle,$aColor='white',$aSize=0.5) { |
|
$this->midtitle->Set($aTitle); |
|
|
|
$this->imidsize = $aSize ; |
|
$this->imidcolor = $aColor ; |
|
} |
|
|
|
function SetMidTitle($aTitle) { |
|
$this->midtitle->Set($aTitle); |
|
} |
|
|
|
function SetMidSize($aSize) { |
|
$this->imidsize = $aSize ; |
|
} |
|
|
|
function SetMidColor($aColor) { |
|
$this->imidcolor = $aColor ; |
|
} |
|
|
|
function SetMidCSIM($aTarget,$aAlt='',$aWinTarget='') { |
|
$this->middlecsimtarget = $aTarget; |
|
$this->middlecsimwintarget = $aWinTarget; |
|
$this->middlecsimalt = $aAlt; |
|
} |
|
|
|
function AddSliceToCSIM($i,$xc,$yc,$radius,$sa,$ea) { |
|
//Slice number, ellipse centre (x,y), radius, start angle, end angle |
|
while( $sa > 2*M_PI ) $sa = $sa - 2*M_PI; |
|
while( $ea > 2*M_PI ) $ea = $ea - 2*M_PI; |
|
|
|
$sa = 2*M_PI - $sa; |
|
$ea = 2*M_PI - $ea; |
|
|
|
// Special case when we have only one slice since then both start and end |
|
// angle will be == 0 |
|
if( abs($sa - $ea) < 0.0001 ) { |
|
$sa=2*M_PI; $ea=0; |
|
} |
|
|
|
// Add inner circle first point |
|
$xp = floor(($this->imidsize*$radius*cos($ea))+$xc); |
|
$yp = floor($yc-($this->imidsize*$radius*sin($ea))); |
|
$coords = "$xp, $yp"; |
|
|
|
//add coordinates every 0.25 radians |
|
$a=$ea+0.25; |
|
|
|
// If we cross the 360-limit with a slice we need to handle |
|
// the fact that end angle is smaller than start |
|
if( $sa < $ea ) { |
|
while ($a <= 2*M_PI) { |
|
$xp = floor($radius*cos($a)+$xc); |
|
$yp = floor($yc-$radius*sin($a)); |
|
$coords.= ", $xp, $yp"; |
|
$a += 0.25; |
|
} |
|
$a -= 2*M_PI; |
|
} |
|
|
|
while ($a < $sa) { |
|
$xp = floor(($this->imidsize*$radius*cos($a)+$xc)); |
|
$yp = floor($yc-($this->imidsize*$radius*sin($a))); |
|
$coords.= ", $xp, $yp"; |
|
$a += 0.25; |
|
} |
|
|
|
// Make sure we end at the last point |
|
$xp = floor(($this->imidsize*$radius*cos($sa)+$xc)); |
|
$yp = floor($yc-($this->imidsize*$radius*sin($sa))); |
|
$coords.= ", $xp, $yp"; |
|
|
|
// Straight line to outer circle |
|
$xp = floor($radius*cos($sa)+$xc); |
|
$yp = floor($yc-$radius*sin($sa)); |
|
$coords.= ", $xp, $yp"; |
|
|
|
//add coordinates every 0.25 radians |
|
$a=$sa - 0.25; |
|
while ($a > $ea) { |
|
$xp = floor($radius*cos($a)+$xc); |
|
$yp = floor($yc-$radius*sin($a)); |
|
$coords.= ", $xp, $yp"; |
|
$a -= 0.25; |
|
} |
|
|
|
//Add the last point on the arc |
|
$xp = floor($radius*cos($ea)+$xc); |
|
$yp = floor($yc-$radius*sin($ea)); |
|
$coords.= ", $xp, $yp"; |
|
|
|
// Close the arc |
|
$xp = floor(($this->imidsize*$radius*cos($ea))+$xc); |
|
$yp = floor($yc-($this->imidsize*$radius*sin($ea))); |
|
$coords .= ", $xp, $yp"; |
|
|
|
if( !empty($this->csimtargets[$i]) ) { |
|
$this->csimareas .= "<area shape=\"poly\" coords=\"$coords\" href=\"". |
|
$this->csimtargets[$i]."\""; |
|
if( !empty($this->csimwintargets[$i]) ) { |
|
$this->csimareas .= " target=\"".$this->csimwintargets[$i]."\" "; |
|
} |
|
if( !empty($this->csimalts[$i]) ) { |
|
$tmp=sprintf($this->csimalts[$i],$this->data[$i]); |
|
$this->csimareas .= " title=\"$tmp\" alt=\"$tmp\" "; |
|
} |
|
$this->csimareas .= " />\n"; |
|
} |
|
} |
|
|
|
|
|
function Stroke($img,$aaoption=0) { |
|
|
|
// Stroke the pie but don't stroke values |
|
$tmp = $this->value->show; |
|
$this->value->show = false; |
|
parent::Stroke($img,$aaoption); |
|
$this->value->show = $tmp; |
|
|
|
$xc = round($this->posx*$img->width); |
|
$yc = round($this->posy*$img->height); |
|
|
|
$radius = floor($this->radius * min($img->width,$img->height)) ; |
|
|
|
|
|
if( $this->imidsize > 0 && $aaoption !== 2 ) { |
|
|
|
if( $this->ishadowcolor != "" ) { |
|
$img->SetColor($this->ishadowcolor); |
|
$img->FilledCircle($xc+$this->ishadowdrop,$yc+$this->ishadowdrop, |
|
round($radius*$this->imidsize)); |
|
} |
|
|
|
$img->SetColor($this->imidcolor); |
|
$img->FilledCircle($xc,$yc,round($radius*$this->imidsize)); |
|
|
|
if( $this->pie_border && $aaoption === 0 ) { |
|
$img->SetColor($this->color); |
|
$img->Circle($xc,$yc,round($radius*$this->imidsize)); |
|
} |
|
|
|
if( !empty($this->middlecsimtarget) ) |
|
$this->AddMiddleCSIM($xc,$yc,round($radius*$this->imidsize)); |
|
|
|
} |
|
|
|
if( $this->value->show && $aaoption !== 1) { |
|
$this->StrokeAllLabels($img,$xc,$yc,$radius); |
|
$this->midtitle->SetPos($xc,$yc,'center','center'); |
|
$this->midtitle->Stroke($img); |
|
} |
|
|
|
} |
|
|
|
function AddMiddleCSIM($xc,$yc,$r) { |
|
$xc=round($xc);$yc=round($yc);$r=round($r); |
|
$this->csimareas .= "<area shape=\"circle\" coords=\"$xc,$yc,$r\" href=\"". |
|
$this->middlecsimtarget."\""; |
|
if( !empty($this->middlecsimwintarget) ) { |
|
$this->csimareas .= " target=\"".$this->middlecsimwintarget."\""; |
|
} |
|
if( !empty($this->middlecsimalt) ) { |
|
$tmp = $this->middlecsimalt; |
|
$this->csimareas .= " title=\"$tmp\" alt=\"$tmp\" "; |
|
} |
|
$this->csimareas .= " />\n"; |
|
} |
|
|
|
function StrokeLabel($label,$img,$xc,$yc,$a,$r) { |
|
|
|
if( $this->ilabelposadj === 'auto' ) |
|
$this->ilabelposadj = (1-$this->imidsize)/2+$this->imidsize; |
|
|
|
parent::StrokeLabel($label,$img,$xc,$yc,$a,$r); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
//=================================================== |
|
// CLASS PieGraph |
|
// Description: |
|
//=================================================== |
|
class PieGraph extends Graph { |
|
private $posx, $posy, $radius; |
|
private $legends=array(); |
|
public $plots=array(); |
|
public $pieaa = false ; |
|
//--------------- |
|
// CONSTRUCTOR |
|
function __construct($width=300,$height=200,$cachedName="",$timeout=0,$inline=1) { |
|
parent::__construct($width,$height,$cachedName,$timeout,$inline); |
|
$this->posx=$width/2; |
|
$this->posy=$height/2; |
|
$this->SetColor(array(255,255,255)); |
|
|
|
if ($this->graph_theme) { |
|
$this->graph_theme->ApplyGraph($this); |
|
} |
|
} |
|
|
|
//--------------- |
|
// PUBLIC METHODS |
|
function Add($aObj) { |
|
|
|
if( is_array($aObj) && count($aObj) > 0 ) |
|
$cl = $aObj[0]; |
|
else |
|
$cl = $aObj; |
|
|
|
if( $cl instanceof Text ) |
|
$this->AddText($aObj); |
|
elseif( class_exists('IconPlot',false) && ($cl instanceof IconPlot) ) |
|
$this->AddIcon($aObj); |
|
else { |
|
if( is_array($aObj) ) { |
|
$n = count($aObj); |
|
for($i=0; $i < $n; ++$i ) { |
|
//if ($aObj[$i]->theme) { |
|
// $this->ClearTheme(); |
|
//} |
|
$this->plots[] = $aObj[$i]; |
|
} |
|
} |
|
else { |
|
//if ($aObj->theme) { |
|
// $this->ClearTheme(); |
|
//} |
|
$this->plots[] = $aObj; |
|
} |
|
} |
|
|
|
if ($this->graph_theme) { |
|
$this->graph_theme->SetupPlot($aObj); |
|
if ($aObj->is_using_plot_theme) { |
|
$aObj->UsePlotThemeColors(); |
|
} |
|
} |
|
} |
|
|
|
function SetAntiAliasing($aFlg=true) { |
|
$this->pieaa = $aFlg; |
|
} |
|
|
|
function SetColor($c) { |
|
$this->SetMarginColor($c); |
|
} |
|
|
|
|
|
function DisplayCSIMAreas() { |
|
$csim=""; |
|
foreach($this->plots as $p ) { |
|
$csim .= $p->GetCSIMareas(); |
|
} |
|
|
|
$csim.= $this->legend->GetCSIMareas(); |
|
if (preg_match_all("/area shape=\"(\w+)\" coords=\"([0-9\, ]+)\"/", $csim, $coords)) { |
|
$this->img->SetColor($this->csimcolor); |
|
$n = count($coords[0]); |
|
for ($i=0; $i < $n; $i++) { |
|
if ($coords[1][$i]=="poly") { |
|
preg_match_all('/\s*([0-9]+)\s*,\s*([0-9]+)\s*,*/',$coords[2][$i],$pts); |
|
$this->img->SetStartPoint($pts[1][count($pts[0])-1],$pts[2][count($pts[0])-1]); |
|
$m = count($pts[0]); |
|
for ($j=0; $j < $m; $j++) { |
|
$this->img->LineTo($pts[1][$j],$pts[2][$j]); |
|
} |
|
} else if ($coords[1][$i]=="rect") { |
|
$pts = preg_split('/,/', $coords[2][$i]); |
|
$this->img->SetStartPoint($pts[0],$pts[1]); |
|
$this->img->LineTo($pts[2],$pts[1]); |
|
$this->img->LineTo($pts[2],$pts[3]); |
|
$this->img->LineTo($pts[0],$pts[3]); |
|
$this->img->LineTo($pts[0],$pts[1]); |
|
|
|
} |
|
} |
|
} |
|
} |
|
|
|
// Method description |
|
function Stroke($aStrokeFileName="") { |
|
|
|
// If the filename is the predefined value = '_csim_special_' |
|
// we assume that the call to stroke only needs to do enough |
|
// to correctly generate the CSIM maps. |
|
// We use this variable to skip things we don't strictly need |
|
// to do to generate the image map to improve performance |
|
// a best we can. Therefor you will see a lot of tests !$_csim in the |
|
// code below. |
|
$_csim = ($aStrokeFileName===_CSIM_SPECIALFILE); |
|
|
|
// If we are called the second time (perhaps the user has called GetHTMLImageMap() |
|
// himself then the legends have alsready been populated once in order to get the |
|
// CSIM coordinats. Since we do not want the legends to be populated a second time |
|
// we clear the legends |
|
$this->legend->Clear(); |
|
|
|
// We need to know if we have stroked the plot in the |
|
// GetCSIMareas. Otherwise the CSIM hasn't been generated |
|
// and in the case of GetCSIM called before stroke to generate |
|
// CSIM without storing an image to disk GetCSIM must call Stroke. |
|
$this->iHasStroked = true; |
|
|
|
$n = count($this->plots); |
|
|
|
if( $this->pieaa ) { |
|
|
|
if( !$_csim ) { |
|
if( $this->background_image != "" ) { |
|
$this->StrokeFrameBackground(); |
|
} |
|
else { |
|
$this->StrokeFrame(); |
|
$this->StrokeBackgroundGrad(); |
|
} |
|
} |
|
|
|
|
|
$w = $this->img->width; |
|
$h = $this->img->height; |
|
$oldimg = $this->img->img; |
|
|
|
$this->img->CreateImgCanvas(2*$w,2*$h); |
|
|
|
$this->img->SetColor( $this->margin_color ); |
|
$this->img->FilledRectangle(0,0,2*$w-1,2*$h-1); |
|
|
|
// Make all icons *2 i size since we will be scaling down the |
|
// imahe to do the anti aliasing |
|
$ni = count($this->iIcons); |
|
for($i=0; $i < $ni; ++$i) { |
|
$this->iIcons[$i]->iScale *= 2 ; |
|
if( $this->iIcons[$i]->iX > 1 ) |
|
$this->iIcons[$i]->iX *= 2 ; |
|
if( $this->iIcons[$i]->iY > 1 ) |
|
$this->iIcons[$i]->iY *= 2 ; |
|
} |
|
|
|
$this->StrokeIcons(); |
|
|
|
for($i=0; $i < $n; ++$i) { |
|
if( $this->plots[$i]->posx > 1 ) |
|
$this->plots[$i]->posx *= 2 ; |
|
if( $this->plots[$i]->posy > 1 ) |
|
$this->plots[$i]->posy *= 2 ; |
|
|
|
$this->plots[$i]->Stroke($this->img,1); |
|
|
|
if( $this->plots[$i]->posx > 1 ) |
|
$this->plots[$i]->posx /= 2 ; |
|
if( $this->plots[$i]->posy > 1 ) |
|
$this->plots[$i]->posy /= 2 ; |
|
} |
|
|
|
$indent = $this->doframe ? ($this->frame_weight + ($this->doshadow ? $this->shadow_width : 0 )) : 0 ; |
|
$indent += $this->framebevel ? $this->framebeveldepth + 1 : 0 ; |
|
$this->img->CopyCanvasH($oldimg,$this->img->img,$indent,$indent,$indent,$indent, |
|
$w-2*$indent,$h-2*$indent,2*($w-$indent),2*($h-$indent)); |
|
|
|
$this->img->img = $oldimg ; |
|
$this->img->width = $w ; |
|
$this->img->height = $h ; |
|
|
|
for($i=0; $i < $n; ++$i) { |
|
$this->plots[$i]->Stroke($this->img,2); // Stroke labels |
|
$this->plots[$i]->Legend($this); |
|
} |
|
|
|
} |
|
else { |
|
|
|
if( !$_csim ) { |
|
if( $this->background_image != "" ) { |
|
$this->StrokeFrameBackground(); |
|
} |
|
else { |
|
$this->StrokeFrame(); |
|
$this->StrokeBackgroundGrad(); |
|
} |
|
} |
|
|
|
$this->StrokeIcons(); |
|
|
|
for($i=0; $i < $n; ++$i) { |
|
$this->plots[$i]->Stroke($this->img); |
|
$this->plots[$i]->Legend($this); |
|
} |
|
} |
|
|
|
$this->legend->Stroke($this->img); |
|
$this->footer->Stroke($this->img); |
|
$this->StrokeTitles(); |
|
|
|
if( !$_csim ) { |
|
|
|
// Stroke texts |
|
if( $this->texts != null ) { |
|
$n = count($this->texts); |
|
for($i=0; $i < $n; ++$i ) { |
|
$this->texts[$i]->Stroke($this->img); |
|
} |
|
} |
|
|
|
if( _JPG_DEBUG ) { |
|
$this->DisplayCSIMAreas(); |
|
} |
|
|
|
// Should we do any final image transformation |
|
if( $this->iImgTrans ) { |
|
if( !class_exists('ImgTrans',false) ) { |
|
require_once('jpgraph_imgtrans.php'); |
|
//JpGraphError::Raise('In order to use image transformation you must include the file jpgraph_imgtrans.php in your script.'); |
|
} |
|
|
|
$tform = new ImgTrans($this->img->img); |
|
$this->img->img = $tform->Skew3D($this->iImgTransHorizon,$this->iImgTransSkewDist, |
|
$this->iImgTransDirection,$this->iImgTransHighQ, |
|
$this->iImgTransMinSize,$this->iImgTransFillColor, |
|
$this->iImgTransBorder); |
|
} |
|
|
|
|
|
// If the filename is given as the special "__handle" |
|
// then the image handler is returned and the image is NOT |
|
// streamed back |
|
if( $aStrokeFileName == _IMG_HANDLER ) { |
|
return $this->img->img; |
|
} |
|
else { |
|
// Finally stream the generated picture |
|
$this->cache->PutAndStream($this->img,$this->cache_name,$this->inline, |
|
$aStrokeFileName); |
|
} |
|
} |
|
} |
|
} // Class |
|
|
|
/* EOF */ |
|
?>
|
|
|