[42] | 1 | <?php |
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| 2 | /*======================================================================= |
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| 3 | // File: JPGRAPH_PIE.PHP |
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| 4 | // Description: Pie plot extension for JpGraph |
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| 5 | // Created: 2001-02-14 |
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| 6 | // Ver: $Id: jpgraph_pie.php 1926 2010-01-11 16:33:07Z ljp $ |
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| 7 | // |
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| 8 | // Copyright (c) Asial Corporation. All rights reserved. |
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| 9 | //======================================================================== |
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| 10 | */ |
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| 11 | |
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| 12 | |
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| 13 | // Defines for PiePlot::SetLabelType() |
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| 14 | define("PIE_VALUE_ABS",1); |
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| 15 | define("PIE_VALUE_PER",0); |
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| 16 | define("PIE_VALUE_PERCENTAGE",0); |
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| 17 | define("PIE_VALUE_ADJPERCENTAGE",2); |
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| 18 | define("PIE_VALUE_ADJPER",2); |
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| 19 | |
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| 20 | //=================================================== |
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| 21 | // CLASS PiePlot |
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| 22 | // Description: Draws a pie plot |
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| 23 | //=================================================== |
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| 24 | class PiePlot { |
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| 25 | public $posx=0.5,$posy=0.5; |
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| 26 | public $is_using_plot_theme = false; |
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| 27 | public $theme="earth"; |
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| 28 | protected $use_plot_theme_colors = false; |
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| 29 | protected $radius=0.3; |
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| 30 | protected $explode_radius=array(),$explode_all=false,$explode_r=20; |
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| 31 | protected $labels=null, $legends=null; |
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| 32 | protected $csimtargets=null,$csimwintargets=null; // Array of targets for CSIM |
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| 33 | protected $csimareas=''; // Generated CSIM text |
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| 34 | protected $csimalts=null; // ALT tags for corresponding target |
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| 35 | protected $data=null; |
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| 36 | public $title; |
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| 37 | protected $startangle=0; |
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| 38 | protected $weight=1, $color="black"; |
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| 39 | protected $legend_margin=6,$show_labels=true; |
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| 40 | protected $themearr = array( |
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| 41 | "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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| 42 | "pastel" => array(27,415,128,59,66,79,105,110,42,147,152,230,236,240,331,337,405,38), |
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| 43 | "water" => array(8,370,24,40,335,56,213,237,268,14,326,387,10,388), |
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| 44 | "sand" => array(27,168,34,170,19,50,65,72,131,209,46,393)); |
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| 45 | protected $setslicecolors=array(); |
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| 46 | protected $labeltype=0; // Default to percentage |
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| 47 | protected $pie_border=true,$pie_interior_border=true; |
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| 48 | public $value; |
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| 49 | protected $ishadowcolor='',$ishadowdrop=4; |
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| 50 | protected $ilabelposadj=1; |
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| 51 | protected $legendcsimtargets = array(),$legendcsimwintargets = array(); |
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| 52 | protected $legendcsimalts = array(); |
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| 53 | protected $adjusted_data = array(); |
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| 54 | public $guideline = null; |
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| 55 | protected $guidelinemargin=10,$iShowGuideLineForSingle = false; |
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| 56 | protected $iGuideLineCurve = false,$iGuideVFactor=1.4,$iGuideLineRFactor=0.8; |
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| 57 | protected $la = array(); // Holds the exact angle for each label |
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| 58 | |
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| 59 | //--------------- |
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| 60 | // CONSTRUCTOR |
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| 61 | function __construct($data) { |
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| 62 | $this->data = array_reverse($data); |
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| 63 | $this->title = new Text(""); |
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| 64 | $this->title->SetFont(FF_DEFAULT,FS_BOLD); |
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| 65 | $this->value = new DisplayValue(); |
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| 66 | $this->value->Show(); |
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| 67 | $this->value->SetFormat('%.1f%%'); |
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| 68 | $this->guideline = new LineProperty(); |
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| 69 | } |
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| 70 | |
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| 71 | //--------------- |
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| 72 | // PUBLIC METHODS |
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| 73 | function SetCenter($x,$y=0.5) { |
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| 74 | $this->posx = $x; |
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| 75 | $this->posy = $y; |
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| 76 | } |
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| 77 | |
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| 78 | // Enable guideline and set drwaing policy |
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| 79 | function SetGuideLines($aFlg=true,$aCurved=true,$aAlways=false) { |
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| 80 | $this->guideline->Show($aFlg); |
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| 81 | $this->iShowGuideLineForSingle = $aAlways; |
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| 82 | $this->iGuideLineCurve = $aCurved; |
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| 83 | } |
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| 84 | |
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| 85 | // Adjuste the distance between labels and labels and pie |
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| 86 | function SetGuideLinesAdjust($aVFactor,$aRFactor=0.8) { |
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| 87 | $this->iGuideVFactor=$aVFactor; |
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| 88 | $this->iGuideLineRFactor=$aRFactor; |
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| 89 | } |
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| 90 | |
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| 91 | function SetColor($aColor) { |
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| 92 | $this->color = $aColor; |
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| 93 | } |
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| 94 | |
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| 95 | function SetSliceColors($aColors) { |
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| 96 | $this->setslicecolors = $aColors; |
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| 97 | } |
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| 98 | |
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| 99 | function SetShadow($aColor='darkgray',$aDropWidth=4) { |
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| 100 | $this->ishadowcolor = $aColor; |
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| 101 | $this->ishadowdrop = $aDropWidth; |
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| 102 | } |
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| 103 | |
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| 104 | function SetCSIMTargets($aTargets,$aAlts='',$aWinTargets='') { |
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| 105 | $this->csimtargets=array_reverse($aTargets); |
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| 106 | if( is_array($aWinTargets) ) |
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| 107 | $this->csimwintargets=array_reverse($aWinTargets); |
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| 108 | if( is_array($aAlts) ) |
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| 109 | $this->csimalts=array_reverse($aAlts); |
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| 110 | } |
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| 111 | |
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| 112 | function GetCSIMareas() { |
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| 113 | return $this->csimareas; |
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| 114 | } |
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| 115 | |
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| 116 | function AddSliceToCSIM($i,$xc,$yc,$radius,$sa,$ea) { |
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| 117 | //Slice number, ellipse centre (x,y), height, width, start angle, end angle |
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| 118 | while( $sa > 2*M_PI ) $sa = $sa - 2*M_PI; |
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| 119 | while( $ea > 2*M_PI ) $ea = $ea - 2*M_PI; |
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| 120 | |
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| 121 | $sa = 2*M_PI - $sa; |
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| 122 | $ea = 2*M_PI - $ea; |
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| 123 | |
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| 124 | // Special case when we have only one slice since then both start and end |
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| 125 | // angle will be == 0 |
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| 126 | if( abs($sa - $ea) < 0.0001 ) { |
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| 127 | $sa=2*M_PI; $ea=0; |
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| 128 | } |
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| 129 | |
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| 130 | //add coordinates of the centre to the map |
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| 131 | $xc = floor($xc);$yc=floor($yc); |
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| 132 | $coords = "$xc, $yc"; |
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| 133 | |
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| 134 | //add coordinates of the first point on the arc to the map |
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| 135 | $xp = floor(($radius*cos($ea))+$xc); |
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| 136 | $yp = floor($yc-$radius*sin($ea)); |
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| 137 | $coords.= ", $xp, $yp"; |
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| 138 | |
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| 139 | //add coordinates every 0.2 radians |
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| 140 | $a=$ea+0.2; |
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| 141 | |
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| 142 | // If we cross the 360-limit with a slice we need to handle |
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| 143 | // the fact that end angle is smaller than start |
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| 144 | if( $sa < $ea ) { |
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| 145 | while ($a <= 2*M_PI) { |
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| 146 | $xp = floor($radius*cos($a)+$xc); |
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| 147 | $yp = floor($yc-$radius*sin($a)); |
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| 148 | $coords.= ", $xp, $yp"; |
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| 149 | $a += 0.2; |
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| 150 | } |
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| 151 | $a -= 2*M_PI; |
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| 152 | } |
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| 153 | |
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| 154 | |
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| 155 | while ($a < $sa) { |
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| 156 | $xp = floor($radius*cos($a)+$xc); |
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| 157 | $yp = floor($yc-$radius*sin($a)); |
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| 158 | $coords.= ", $xp, $yp"; |
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| 159 | $a += 0.2; |
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| 160 | } |
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| 161 | |
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| 162 | //Add the last point on the arc |
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| 163 | $xp = floor($radius*cos($sa)+$xc); |
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| 164 | $yp = floor($yc-$radius*sin($sa)); |
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| 165 | $coords.= ", $xp, $yp"; |
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| 166 | if( !empty($this->csimtargets[$i]) ) { |
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| 167 | $this->csimareas .= "<area shape=\"poly\" coords=\"$coords\" href=\"".$this->csimtargets[$i]."\""; |
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| 168 | $tmp=""; |
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| 169 | if( !empty($this->csimwintargets[$i]) ) { |
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| 170 | $this->csimareas .= " target=\"".$this->csimwintargets[$i]."\" "; |
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| 171 | } |
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| 172 | if( !empty($this->csimalts[$i]) ) { |
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| 173 | $tmp=sprintf($this->csimalts[$i],$this->data[$i]); |
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| 174 | $this->csimareas .= " title=\"$tmp\" alt=\"$tmp\" "; |
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| 175 | } |
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| 176 | $this->csimareas .= " />\n"; |
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| 177 | } |
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| 178 | } |
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| 179 | |
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| 180 | |
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| 181 | function SetTheme($aTheme) { |
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| 182 | // JpGraphError::RaiseL(15012,$aTheme); |
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| 183 | // return; |
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| 184 | |
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| 185 | if( in_array($aTheme,array_keys($this->themearr)) ) { |
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| 186 | $this->theme = $aTheme; |
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| 187 | $this->is_using_plot_theme = true; |
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| 188 | } else { |
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| 189 | JpGraphError::RaiseL(15001,$aTheme);//("PiePLot::SetTheme() Unknown theme: $aTheme"); |
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| 190 | } |
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| 191 | } |
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| 192 | |
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| 193 | function ExplodeSlice($e,$radius=20) { |
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| 194 | if( ! is_integer($e) ) |
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| 195 | JpGraphError::RaiseL(15002);//('Argument to PiePlot::ExplodeSlice() must be an integer'); |
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| 196 | $this->explode_radius[$e]=$radius; |
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| 197 | } |
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| 198 | |
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| 199 | function ExplodeAll($radius=20) { |
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| 200 | $this->explode_all=true; |
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| 201 | $this->explode_r = $radius; |
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| 202 | } |
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| 203 | |
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| 204 | function Explode($aExplodeArr) { |
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| 205 | if( !is_array($aExplodeArr) ) { |
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| 206 | JpGraphError::RaiseL(15003); |
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| 207 | //("Argument to PiePlot::Explode() must be an array with integer distances."); |
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| 208 | } |
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| 209 | $this->explode_radius = $aExplodeArr; |
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| 210 | } |
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| 211 | |
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| 212 | function SetStartAngle($aStart) { |
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| 213 | if( $aStart < 0 || $aStart > 360 ) { |
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| 214 | JpGraphError::RaiseL(15004);//('Slice start angle must be between 0 and 360 degrees.'); |
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| 215 | } |
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| 216 | if( $aStart == 0 ) { |
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| 217 | $this->startangle = 0; |
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| 218 | } |
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| 219 | else { |
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| 220 | $this->startangle = 360-$aStart; |
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| 221 | $this->startangle *= M_PI/180; |
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| 222 | } |
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| 223 | } |
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| 224 | |
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| 225 | // Size in percentage |
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| 226 | function SetSize($aSize) { |
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| 227 | if( ($aSize>0 && $aSize<=0.5) || ($aSize>10 && $aSize<1000) ) |
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| 228 | $this->radius = $aSize; |
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| 229 | else |
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| 230 | JpGraphError::RaiseL(15006); |
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| 231 | //("PiePlot::SetSize() Radius for pie must either be specified as a fraction [0, 0.5] of the size of the image or as an absolute size in pixels in the range [10, 1000]"); |
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| 232 | } |
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| 233 | |
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| 234 | // Set label arrays |
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| 235 | function SetLegends($aLegend) { |
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| 236 | $this->legends = $aLegend; |
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| 237 | } |
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| 238 | |
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| 239 | // Set text labels for slices |
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| 240 | function SetLabels($aLabels,$aLblPosAdj="auto") { |
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| 241 | $this->labels = array_reverse($aLabels); |
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| 242 | $this->ilabelposadj=$aLblPosAdj; |
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| 243 | } |
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| 244 | |
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| 245 | function SetLabelPos($aLblPosAdj) { |
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| 246 | $this->ilabelposadj=$aLblPosAdj; |
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| 247 | } |
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| 248 | |
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| 249 | // Should we display actual value or percentage? |
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| 250 | function SetLabelType($aType) { |
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| 251 | if( $aType < 0 || $aType > 2 ) |
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| 252 | JpGraphError::RaiseL(15008,$aType); |
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| 253 | //("PiePlot::SetLabelType() Type for pie plots must be 0 or 1 (not $t)."); |
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| 254 | $this->labeltype = $aType; |
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| 255 | } |
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| 256 | |
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| 257 | // Deprecated. |
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| 258 | function SetValueType($aType) { |
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| 259 | $this->SetLabelType($aType); |
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| 260 | } |
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| 261 | |
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| 262 | // Should the circle around a pie plot be displayed |
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| 263 | function ShowBorder($exterior=true,$interior=true) { |
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| 264 | $this->pie_border = $exterior; |
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| 265 | $this->pie_interior_border = $interior; |
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| 266 | } |
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| 267 | |
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| 268 | // Setup the legends |
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| 269 | function Legend($graph) { |
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| 270 | $colors = array_keys($graph->img->rgb->rgb_table); |
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| 271 | sort($colors); |
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| 272 | $ta=$this->themearr[$this->theme]; |
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| 273 | $n = count($this->data); |
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| 274 | |
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| 275 | if( $this->setslicecolors==null ) { |
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| 276 | $numcolors=count($ta); |
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| 277 | if( class_exists('PiePlot3D',false) && ($this instanceof PiePlot3D) ) { |
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| 278 | $ta = array_reverse(array_slice($ta,0,$n)); |
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| 279 | } |
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| 280 | } |
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| 281 | else { |
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| 282 | $this->setslicecolors = array_slice($this->setslicecolors,0,$n); |
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| 283 | $numcolors=count($this->setslicecolors); |
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| 284 | if( $graph->pieaa && !($this instanceof PiePlot3D) ) { |
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| 285 | $this->setslicecolors = array_reverse($this->setslicecolors); |
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| 286 | } |
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| 287 | } |
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| 288 | |
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| 289 | $sum=0; |
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| 290 | for($i=0; $i < $n; ++$i) |
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| 291 | $sum += $this->data[$i]; |
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| 292 | |
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| 293 | // Bail out with error if the sum is 0 |
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| 294 | if( $sum==0 ) |
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| 295 | JpGraphError::RaiseL(15009);//("Illegal pie plot. Sum of all data is zero for Pie!"); |
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| 296 | |
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| 297 | // Make sure we don't plot more values than data points |
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| 298 | // (in case the user added more legends than data points) |
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| 299 | $n = min(count($this->legends),count($this->data)); |
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| 300 | if( $this->legends != "" ) { |
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| 301 | $this->legends = array_reverse(array_slice($this->legends,0,$n)); |
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| 302 | } |
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| 303 | for( $i=$n-1; $i >= 0; --$i ) { |
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| 304 | $l = $this->legends[$i]; |
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| 305 | // Replace possible format with actual values |
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| 306 | if( count($this->csimalts) > $i ) { |
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| 307 | $fmt = $this->csimalts[$i]; |
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| 308 | } |
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| 309 | else { |
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| 310 | $fmt = "%d"; // Deafult Alt if no other has been specified |
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| 311 | } |
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| 312 | if( $this->labeltype==0 ) { |
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| 313 | $l = sprintf($l,100*$this->data[$i]/$sum); |
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| 314 | $alt = sprintf($fmt,$this->data[$i]); |
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| 315 | |
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| 316 | } |
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| 317 | elseif( $this->labeltype == 1) { |
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| 318 | $l = sprintf($l,$this->data[$i]); |
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| 319 | $alt = sprintf($fmt,$this->data[$i]); |
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| 320 | |
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| 321 | } |
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| 322 | else { |
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| 323 | $l = sprintf($l,$this->adjusted_data[$i]); |
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| 324 | $alt = sprintf($fmt,$this->adjusted_data[$i]); |
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| 325 | } |
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| 326 | |
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| 327 | if( empty($this->csimwintargets[$i]) ) { |
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| 328 | $wintarg = ''; |
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| 329 | } |
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| 330 | else { |
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| 331 | $wintarg = $this->csimwintargets[$i]; |
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| 332 | } |
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| 333 | |
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| 334 | if( $this->setslicecolors==null ) { |
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| 335 | $graph->legend->Add($l,$colors[$ta[$i%$numcolors]],"",0,$this->csimtargets[$i],$alt,$wintarg); |
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| 336 | } |
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| 337 | else { |
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| 338 | $graph->legend->Add($l,$this->setslicecolors[$i%$numcolors],"",0,$this->csimtargets[$i],$alt,$wintarg); |
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| 339 | } |
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| 340 | } |
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| 341 | } |
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| 342 | |
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| 343 | // Adjust the rounded percetage value so that the sum of |
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| 344 | // of the pie slices are always 100% |
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| 345 | // Using the Hare/Niemeyer method |
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| 346 | function AdjPercentage($aData,$aPrec=0) { |
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| 347 | $mul=100; |
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| 348 | if( $aPrec > 0 && $aPrec < 3 ) { |
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| 349 | if( $aPrec == 1 ) |
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| 350 | $mul=1000; |
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| 351 | else |
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| 352 | $mul=10000; |
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| 353 | } |
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| 354 | |
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| 355 | $tmp = array(); |
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| 356 | $result = array(); |
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| 357 | $quote_sum=0; |
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| 358 | $n = count($aData) ; |
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| 359 | for( $i=0, $sum=0; $i < $n; ++$i ) |
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| 360 | $sum+=$aData[$i]; |
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| 361 | foreach($aData as $index => $value) { |
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| 362 | $tmp_percentage=$value/$sum*$mul; |
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| 363 | $result[$index]=floor($tmp_percentage); |
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| 364 | $tmp[$index]=$tmp_percentage-$result[$index]; |
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| 365 | $quote_sum+=$result[$index]; |
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| 366 | } |
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| 367 | if( $quote_sum == $mul) { |
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| 368 | if( $mul > 100 ) { |
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| 369 | $tmp = $mul / 100; |
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| 370 | for( $i=0; $i < $n; ++$i ) { |
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| 371 | $result[$i] /= $tmp ; |
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| 372 | } |
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| 373 | } |
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| 374 | return $result; |
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| 375 | } |
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| 376 | arsort($tmp,SORT_NUMERIC); |
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| 377 | reset($tmp); |
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| 378 | for($i=0; $i < $mul-$quote_sum; $i++) |
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| 379 | { |
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| 380 | $result[key($tmp)]++; |
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| 381 | next($tmp); |
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| 382 | } |
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| 383 | if( $mul > 100 ) { |
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| 384 | $tmp = $mul / 100; |
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| 385 | for( $i=0; $i < $n; ++$i ) { |
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| 386 | $result[$i] /= $tmp ; |
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| 387 | } |
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| 388 | } |
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| 389 | return $result; |
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| 390 | } |
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| 391 | |
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| 392 | |
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| 393 | function Stroke($img,$aaoption=0) { |
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| 394 | // aaoption is used to handle antialias |
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| 395 | // aaoption == 0 a normal pie |
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| 396 | // aaoption == 1 just the body |
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| 397 | // aaoption == 2 just the values |
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| 398 | |
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| 399 | // Explode scaling. If anti alias we scale the image |
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| 400 | // twice and we also need to scale the exploding distance |
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| 401 | $expscale = $aaoption === 1 ? 2 : 1; |
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| 402 | |
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| 403 | if( $this->labeltype == 2 ) { |
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| 404 | // Adjust the data so that it will add up to 100% |
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| 405 | $this->adjusted_data = $this->AdjPercentage($this->data); |
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| 406 | } |
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| 407 | |
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| 408 | if ($this->use_plot_theme_colors) { |
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| 409 | $this->setslicecolors = null; |
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| 410 | } |
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| 411 | |
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| 412 | $colors = array_keys($img->rgb->rgb_table); |
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| 413 | sort($colors); |
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| 414 | $ta=$this->themearr[$this->theme]; |
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| 415 | $n = count($this->data); |
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| 416 | |
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| 417 | if( $this->setslicecolors==null ) { |
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| 418 | $numcolors=count($ta); |
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| 419 | } |
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| 420 | else { |
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| 421 | // We need to create an array of colors as long as the data |
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| 422 | // since we need to reverse it to get the colors in the right order |
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| 423 | $numcolors=count($this->setslicecolors); |
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| 424 | $i = 2*$numcolors; |
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| 425 | while( $n > $i ) { |
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| 426 | $this->setslicecolors = array_merge($this->setslicecolors,$this->setslicecolors); |
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| 427 | $i += $n; |
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| 428 | } |
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| 429 | $tt = array_slice($this->setslicecolors,0,$n % $numcolors); |
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| 430 | $this->setslicecolors = array_merge($this->setslicecolors,$tt); |
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| 431 | $this->setslicecolors = array_reverse($this->setslicecolors); |
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| 432 | } |
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| 433 | |
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| 434 | // Draw the slices |
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| 435 | $sum=0; |
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| 436 | for($i=0; $i < $n; ++$i) |
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| 437 | $sum += $this->data[$i]; |
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| 438 | |
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| 439 | // Bail out with error if the sum is 0 |
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| 440 | if( $sum==0 ) { |
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| 441 | JpGraphError::RaiseL(15009);//("Sum of all data is 0 for Pie."); |
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| 442 | } |
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| 443 | |
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| 444 | // Set up the pie-circle |
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| 445 | if( $this->radius <= 1 ) { |
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| 446 | $radius = floor($this->radius*min($img->width,$img->height)); |
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| 447 | } |
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| 448 | else { |
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| 449 | $radius = $aaoption === 1 ? $this->radius*2 : $this->radius; |
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| 450 | } |
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| 451 | |
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| 452 | if( $this->posx <= 1 && $this->posx > 0 ) { |
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| 453 | $xc = round($this->posx*$img->width); |
---|
| 454 | } |
---|
| 455 | else { |
---|
| 456 | $xc = $this->posx ; |
---|
| 457 | } |
---|
| 458 | |
---|
| 459 | if( $this->posy <= 1 && $this->posy > 0 ) { |
---|
| 460 | $yc = round($this->posy*$img->height); |
---|
| 461 | } |
---|
| 462 | else { |
---|
| 463 | $yc = $this->posy ; |
---|
| 464 | } |
---|
| 465 | |
---|
| 466 | $n = count($this->data); |
---|
| 467 | |
---|
| 468 | if( $this->explode_all ) { |
---|
| 469 | for($i=0; $i < $n; ++$i) { |
---|
| 470 | $this->explode_radius[$i]=$this->explode_r; |
---|
| 471 | } |
---|
| 472 | } |
---|
| 473 | |
---|
| 474 | // If we have a shadow and not just drawing the labels |
---|
| 475 | if( $this->ishadowcolor != "" && $aaoption !== 2) { |
---|
| 476 | $accsum=0; |
---|
| 477 | $angle2 = $this->startangle; |
---|
| 478 | $img->SetColor($this->ishadowcolor); |
---|
| 479 | for($i=0; $sum > 0 && $i < $n; ++$i) { |
---|
| 480 | $j = $n-$i-1; |
---|
| 481 | $d = $this->data[$i]; |
---|
| 482 | $angle1 = $angle2; |
---|
| 483 | $accsum += $d; |
---|
| 484 | $angle2 = $this->startangle+2*M_PI*$accsum/$sum; |
---|
| 485 | if( empty($this->explode_radius[$j]) ) { |
---|
| 486 | $this->explode_radius[$j]=0; |
---|
| 487 | } |
---|
| 488 | |
---|
| 489 | if( $d < 0.00001 ) continue; |
---|
| 490 | |
---|
| 491 | $la = 2*M_PI - (abs($angle2-$angle1)/2.0+$angle1); |
---|
| 492 | |
---|
| 493 | $xcm = $xc + $this->explode_radius[$j]*cos($la)*$expscale; |
---|
| 494 | $ycm = $yc - $this->explode_radius[$j]*sin($la)*$expscale; |
---|
| 495 | |
---|
| 496 | $xcm += $this->ishadowdrop*$expscale; |
---|
| 497 | $ycm += $this->ishadowdrop*$expscale; |
---|
| 498 | |
---|
| 499 | $_sa = round($angle1*180/M_PI); |
---|
| 500 | $_ea = round($angle2*180/M_PI); |
---|
| 501 | |
---|
| 502 | // The CakeSlice method draws a full circle in case of start angle = end angle |
---|
| 503 | // for pie slices we don't want this behaviour unless we only have one |
---|
| 504 | // slice in the pie in case it is the wanted behaviour |
---|
| 505 | if( $_ea-$_sa > 0.1 || $n==1 ) { |
---|
| 506 | $img->CakeSlice($xcm,$ycm,$radius-1,$radius-1, |
---|
| 507 | $angle1*180/M_PI,$angle2*180/M_PI,$this->ishadowcolor); |
---|
| 508 | } |
---|
| 509 | } |
---|
| 510 | } |
---|
| 511 | |
---|
| 512 | //-------------------------------------------------------------------------------- |
---|
| 513 | // This is the main loop to draw each cake slice |
---|
| 514 | //-------------------------------------------------------------------------------- |
---|
| 515 | |
---|
| 516 | // Set up the accumulated sum, start angle for first slice and border color |
---|
| 517 | $accsum=0; |
---|
| 518 | $angle2 = $this->startangle; |
---|
| 519 | $img->SetColor($this->color); |
---|
| 520 | |
---|
| 521 | // Loop though all the slices if there is a pie to draw (sum>0) |
---|
| 522 | // There are n slices in total |
---|
| 523 | for($i=0; $sum>0 && $i < $n; ++$i) { |
---|
| 524 | |
---|
| 525 | // $j is the actual index used for the slice |
---|
| 526 | $j = $n-$i-1; |
---|
| 527 | |
---|
| 528 | // Make sure we havea valid distance to explode the slice |
---|
| 529 | if( empty($this->explode_radius[$j]) ) { |
---|
| 530 | $this->explode_radius[$j]=0; |
---|
| 531 | } |
---|
| 532 | |
---|
| 533 | // The actual numeric value for the slice |
---|
| 534 | $d = $this->data[$i]; |
---|
| 535 | |
---|
| 536 | $angle1 = $angle2; |
---|
| 537 | |
---|
| 538 | // Accumlate the sum |
---|
| 539 | $accsum += $d; |
---|
| 540 | |
---|
| 541 | // The new angle when we add the "size" of this slice |
---|
| 542 | // angle1 is then the start and angle2 the end of this slice |
---|
| 543 | $angle2 = $this->NormAngle($this->startangle+2*M_PI*$accsum/$sum); |
---|
| 544 | |
---|
| 545 | // We avoid some trouble by not allowing end angle to be 0, in that case |
---|
| 546 | // we translate to 360 |
---|
| 547 | |
---|
| 548 | // la is used to hold the label angle, which is centered on the slice |
---|
| 549 | if( $angle2 < 0.0001 && $angle1 > 0.0001 ) { |
---|
| 550 | $this->la[$i] = 2*M_PI - (abs(2*M_PI-$angle1)/2.0+$angle1); |
---|
| 551 | } |
---|
| 552 | elseif( $angle1 > $angle2 ) { |
---|
| 553 | // The case where the slice crosses the 3 a'clock line |
---|
| 554 | // Remember that the slices are counted clockwise and |
---|
| 555 | // labels are counted counter clockwise so we need to revert with 2 PI |
---|
| 556 | $this->la[$i] = 2*M_PI-$this->NormAngle($angle1 + ((2*M_PI - $angle1)+$angle2)/2); |
---|
| 557 | } |
---|
| 558 | else { |
---|
| 559 | $this->la[$i] = 2*M_PI - (abs($angle2-$angle1)/2.0+$angle1); |
---|
| 560 | } |
---|
| 561 | |
---|
| 562 | // Too avoid rounding problems we skip the slice if it is too small |
---|
| 563 | if( $d < 0.00001 ) continue; |
---|
| 564 | |
---|
| 565 | // If the user has specified an array of colors for each slice then use |
---|
| 566 | // that a color otherwise use the theme array (ta) of colors |
---|
| 567 | if( $this->setslicecolors==null ) { |
---|
| 568 | $slicecolor=$colors[$ta[$i%$numcolors]]; |
---|
| 569 | } |
---|
| 570 | else { |
---|
| 571 | $slicecolor=$this->setslicecolors[$i%$numcolors]; |
---|
| 572 | } |
---|
| 573 | |
---|
| 574 | // $_sa = round($angle1*180/M_PI); |
---|
| 575 | // $_ea = round($angle2*180/M_PI); |
---|
| 576 | // $_la = round($this->la[$i]*180/M_PI); |
---|
| 577 | // echo "Slice#$i: ang1=$_sa , ang2=$_ea, la=$_la, color=$slicecolor<br>"; |
---|
| 578 | |
---|
| 579 | |
---|
| 580 | // If we have enabled antialias then we don't draw any border so |
---|
| 581 | // make the bordedr color the same as the slice color |
---|
| 582 | if( $this->pie_interior_border && $aaoption===0 ) { |
---|
| 583 | $img->SetColor($this->color); |
---|
| 584 | } |
---|
| 585 | else { |
---|
| 586 | $img->SetColor($slicecolor); |
---|
| 587 | } |
---|
| 588 | $arccolor = $this->pie_border && $aaoption===0 ? $this->color : ""; |
---|
| 589 | |
---|
| 590 | // Calculate the x,y coordinates for the base of this slice taking |
---|
| 591 | // the exploded distance into account. Here we use the mid angle as the |
---|
| 592 | // ray of extension and we have the mid angle handy as it is also the |
---|
| 593 | // label angle |
---|
| 594 | $xcm = $xc + $this->explode_radius[$j]*cos($this->la[$i])*$expscale; |
---|
| 595 | $ycm = $yc - $this->explode_radius[$j]*sin($this->la[$i])*$expscale; |
---|
| 596 | |
---|
| 597 | // If we are not just drawing the labels then draw this cake slice |
---|
| 598 | if( $aaoption !== 2 ) { |
---|
| 599 | |
---|
| 600 | $_sa = round($angle1*180/M_PI); |
---|
| 601 | $_ea = round($angle2*180/M_PI); |
---|
| 602 | $_la = round($this->la[$i]*180/M_PI); |
---|
| 603 | //echo "[$i] sa=$_sa, ea=$_ea, la[$i]=$_la, (color=$slicecolor)<br>"; |
---|
| 604 | |
---|
| 605 | // The CakeSlice method draws a full circle in case of start angle = end angle |
---|
| 606 | // for pie slices we want this in case the slice have a value larger than 99% of the |
---|
| 607 | // total sum |
---|
| 608 | if( abs($_ea-$_sa) >= 1 || $d == $sum ) { |
---|
| 609 | $img->CakeSlice($xcm,$ycm,$radius-1,$radius-1,$_sa,$_ea,$slicecolor,$arccolor); |
---|
| 610 | } |
---|
| 611 | } |
---|
| 612 | |
---|
| 613 | // If the CSIM is used then make sure we register a CSIM area for this slice as well |
---|
| 614 | if( $this->csimtargets && $aaoption !== 1 ) { |
---|
| 615 | $this->AddSliceToCSIM($i,$xcm,$ycm,$radius,$angle1,$angle2); |
---|
| 616 | } |
---|
| 617 | } |
---|
| 618 | |
---|
| 619 | // Format the titles for each slice |
---|
| 620 | if( $aaoption !== 2 ) { |
---|
| 621 | for( $i=0; $i < $n; ++$i) { |
---|
| 622 | if( $this->labeltype==0 ) { |
---|
| 623 | if( $sum != 0 ) |
---|
| 624 | $l = 100.0*$this->data[$i]/$sum; |
---|
| 625 | else |
---|
| 626 | $l = 0.0; |
---|
| 627 | } |
---|
| 628 | elseif( $this->labeltype==1 ) { |
---|
| 629 | $l = $this->data[$i]*1.0; |
---|
| 630 | } |
---|
| 631 | else { |
---|
| 632 | $l = $this->adjusted_data[$i]; |
---|
| 633 | } |
---|
| 634 | if( isset($this->labels[$i]) && is_string($this->labels[$i]) ) |
---|
| 635 | $this->labels[$i]=sprintf($this->labels[$i],$l); |
---|
| 636 | else |
---|
| 637 | $this->labels[$i]=$l; |
---|
| 638 | } |
---|
| 639 | } |
---|
| 640 | |
---|
| 641 | if( $this->value->show && $aaoption !== 1 ) { |
---|
| 642 | $this->StrokeAllLabels($img,$xc,$yc,$radius); |
---|
| 643 | } |
---|
| 644 | |
---|
| 645 | // Adjust title position |
---|
| 646 | if( $aaoption !== 1 ) { |
---|
| 647 | $this->title->SetPos($xc, |
---|
| 648 | $yc-$this->title->GetFontHeight($img)-$radius-$this->title->margin, |
---|
| 649 | "center","bottom"); |
---|
| 650 | $this->title->Stroke($img); |
---|
| 651 | } |
---|
| 652 | |
---|
| 653 | } |
---|
| 654 | |
---|
| 655 | //--------------- |
---|
| 656 | // PRIVATE METHODS |
---|
| 657 | |
---|
| 658 | function NormAngle($a) { |
---|
| 659 | while( $a < 0 ) $a += 2*M_PI; |
---|
| 660 | while( $a > 2*M_PI ) $a -= 2*M_PI; |
---|
| 661 | return $a; |
---|
| 662 | } |
---|
| 663 | |
---|
| 664 | function Quadrant($a) { |
---|
| 665 | $a=$this->NormAngle($a); |
---|
| 666 | if( $a > 0 && $a <= M_PI/2 ) |
---|
| 667 | return 0; |
---|
| 668 | if( $a > M_PI/2 && $a <= M_PI ) |
---|
| 669 | return 1; |
---|
| 670 | if( $a > M_PI && $a <= 1.5*M_PI ) |
---|
| 671 | return 2; |
---|
| 672 | if( $a > 1.5*M_PI ) |
---|
| 673 | return 3; |
---|
| 674 | } |
---|
| 675 | |
---|
| 676 | function StrokeGuideLabels($img,$xc,$yc,$radius) { |
---|
| 677 | $n = count($this->labels); |
---|
| 678 | |
---|
| 679 | //----------------------------------------------------------------------- |
---|
| 680 | // Step 1 of the algorithm is to construct a number of clusters |
---|
| 681 | // a cluster is defined as all slices within the same quadrant (almost) |
---|
| 682 | // that has an angular distance less than the treshold |
---|
| 683 | //----------------------------------------------------------------------- |
---|
| 684 | $tresh_hold=25 * M_PI/180; // 25 degrees difference to be in a cluster |
---|
| 685 | $incluster=false; // flag if we are currently in a cluster or not |
---|
| 686 | $clusters = array(); // array of clusters |
---|
| 687 | $cidx=-1; // running cluster index |
---|
| 688 | |
---|
| 689 | // Go through all the labels and construct a number of clusters |
---|
| 690 | for($i=0; $i < $n-1; ++$i) { |
---|
| 691 | // Calc the angle distance between two consecutive slices |
---|
| 692 | $a1=$this->la[$i]; |
---|
| 693 | $a2=$this->la[$i+1]; |
---|
| 694 | $q1 = $this->Quadrant($a1); |
---|
| 695 | $q2 = $this->Quadrant($a2); |
---|
| 696 | $diff = abs($a1-$a2); |
---|
| 697 | if( $diff < $tresh_hold ) { |
---|
| 698 | if( $incluster ) { |
---|
| 699 | $clusters[$cidx][1]++; |
---|
| 700 | // Each cluster can only cover one quadrant |
---|
| 701 | // Do we cross a quadrant ( and must break the cluster) |
---|
| 702 | if( $q1 != $q2 ) { |
---|
| 703 | // If we cross a quadrant boundary we normally start a |
---|
| 704 | // new cluster. However we need to take the 12'a clock |
---|
| 705 | // and 6'a clock positions into a special consideration. |
---|
| 706 | // Case 1: WE go from q=1 to q=2 if the last slice on |
---|
| 707 | // the cluster for q=1 is close to 12'a clock and the |
---|
| 708 | // first slice in q=0 is small we extend the previous |
---|
| 709 | // cluster |
---|
| 710 | if( $q1 == 1 && $q2 == 0 && $a2 > (90-15)*M_PI/180 ) { |
---|
| 711 | if( $i < $n-2 ) { |
---|
| 712 | $a3 = $this->la[$i+2]; |
---|
| 713 | // If there isn't a cluster coming up with the next-next slice |
---|
| 714 | // we extend the previous cluster to cover this slice as well |
---|
| 715 | if( abs($a3-$a2) >= $tresh_hold ) { |
---|
| 716 | $clusters[$cidx][1]++; |
---|
| 717 | $i++; |
---|
| 718 | } |
---|
| 719 | } |
---|
| 720 | } |
---|
| 721 | elseif( $q1 == 3 && $q2 == 2 && $a2 > (270-15)*M_PI/180 ) { |
---|
| 722 | if( $i < $n-2 ) { |
---|
| 723 | $a3 = $this->la[$i+2]; |
---|
| 724 | // If there isn't a cluster coming up with the next-next slice |
---|
| 725 | // we extend the previous cluster to cover this slice as well |
---|
| 726 | if( abs($a3-$a2) >= $tresh_hold ) { |
---|
| 727 | $clusters[$cidx][1]++; |
---|
| 728 | $i++; |
---|
| 729 | } |
---|
| 730 | } |
---|
| 731 | } |
---|
| 732 | |
---|
| 733 | if( $q1==2 && $q2==1 && $a2 > (180-15)*M_PI/180 ) { |
---|
| 734 | $clusters[$cidx][1]++; |
---|
| 735 | $i++; |
---|
| 736 | } |
---|
| 737 | |
---|
| 738 | $incluster = false; |
---|
| 739 | } |
---|
| 740 | } |
---|
| 741 | elseif( $q1 == $q2) { |
---|
| 742 | $incluster = true; |
---|
| 743 | // Now we have a special case for quadrant 0. If we previously |
---|
| 744 | // have a cluster of one in quadrant 0 we just extend that |
---|
| 745 | // cluster. If we don't do this then we risk that the label |
---|
| 746 | // for the cluster of one will cross the guide-line |
---|
| 747 | if( $q1 == 0 && $cidx > -1 && |
---|
| 748 | $clusters[$cidx][1] == 1 && |
---|
| 749 | $this->Quadrant($this->la[$clusters[$cidx][0]]) == 0 ) { |
---|
| 750 | $clusters[$cidx][1]++; |
---|
| 751 | } |
---|
| 752 | else { |
---|
| 753 | $cidx++; |
---|
| 754 | $clusters[$cidx][0] = $i; |
---|
| 755 | $clusters[$cidx][1] = 1; |
---|
| 756 | } |
---|
| 757 | } |
---|
| 758 | else { |
---|
| 759 | // Create a "cluster" of one since we are just crossing |
---|
| 760 | // a quadrant |
---|
| 761 | $cidx++; |
---|
| 762 | $clusters[$cidx][0] = $i; |
---|
| 763 | $clusters[$cidx][1] = 1; |
---|
| 764 | } |
---|
| 765 | } |
---|
| 766 | else { |
---|
| 767 | if( $incluster ) { |
---|
| 768 | // Add the last slice |
---|
| 769 | $clusters[$cidx][1]++; |
---|
| 770 | $incluster = false; |
---|
| 771 | } |
---|
| 772 | else { // Create a "cluster" of one |
---|
| 773 | $cidx++; |
---|
| 774 | $clusters[$cidx][0] = $i; |
---|
| 775 | $clusters[$cidx][1] = 1; |
---|
| 776 | } |
---|
| 777 | } |
---|
| 778 | } |
---|
| 779 | // Handle the very last slice |
---|
| 780 | if( $incluster ) { |
---|
| 781 | $clusters[$cidx][1]++; |
---|
| 782 | } |
---|
| 783 | else { // Create a "cluster" of one |
---|
| 784 | $cidx++; |
---|
| 785 | $clusters[$cidx][0] = $i; |
---|
| 786 | $clusters[$cidx][1] = 1; |
---|
| 787 | } |
---|
| 788 | |
---|
| 789 | /* |
---|
| 790 | if( true ) { |
---|
| 791 | // Debug printout in labels |
---|
| 792 | for( $i=0; $i <= $cidx; ++$i ) { |
---|
| 793 | for( $j=0; $j < $clusters[$i][1]; ++$j ) { |
---|
| 794 | $a = $this->la[$clusters[$i][0]+$j]; |
---|
| 795 | $aa = round($a*180/M_PI); |
---|
| 796 | $q = $this->Quadrant($a); |
---|
| 797 | $this->labels[$clusters[$i][0]+$j]="[$q:$aa] $i:$j"; |
---|
| 798 | } |
---|
| 799 | } |
---|
| 800 | } |
---|
| 801 | */ |
---|
| 802 | |
---|
| 803 | //----------------------------------------------------------------------- |
---|
| 804 | // Step 2 of the algorithm is use the clusters and draw the labels |
---|
| 805 | // and guidelines |
---|
| 806 | //----------------------------------------------------------------------- |
---|
| 807 | |
---|
| 808 | // We use the font height as the base factor for how far we need to |
---|
| 809 | // spread the labels in the Y-direction. |
---|
| 810 | $this->value->ApplyFont($img); |
---|
| 811 | $fh = $img->GetFontHeight(); |
---|
| 812 | $origvstep=$fh*$this->iGuideVFactor; |
---|
| 813 | $this->value->SetMargin(0); |
---|
| 814 | |
---|
| 815 | // Number of clusters found |
---|
| 816 | $nc = count($clusters); |
---|
| 817 | |
---|
| 818 | // Walk through all the clusters |
---|
| 819 | for($i=0; $i < $nc; ++$i) { |
---|
| 820 | |
---|
| 821 | // Start angle and number of slices in this cluster |
---|
| 822 | $csize = $clusters[$i][1]; |
---|
| 823 | $a = $this->la[$clusters[$i][0]]; |
---|
| 824 | $q = $this->Quadrant($a); |
---|
| 825 | |
---|
| 826 | // Now set up the start and end conditions to make sure that |
---|
| 827 | // in each cluster we walk through the all the slices starting with the slice |
---|
| 828 | // closest to the equator. Since all slices are numbered clockwise from "3'a clock" |
---|
| 829 | // we have different conditions depending on in which quadrant the slice lies within. |
---|
| 830 | if( $q == 0 ) { |
---|
| 831 | $start = $csize-1; $idx = $start; $step = -1; $vstep = -$origvstep; |
---|
| 832 | } |
---|
| 833 | elseif( $q == 1 ) { |
---|
| 834 | $start = 0; $idx = $start; $step = 1; $vstep = -$origvstep; |
---|
| 835 | } |
---|
| 836 | elseif( $q == 2 ) { |
---|
| 837 | $start = $csize-1; $idx = $start; $step = -1; $vstep = $origvstep; |
---|
| 838 | } |
---|
| 839 | elseif( $q == 3 ) { |
---|
| 840 | $start = 0; $idx = $start; $step = 1; $vstep = $origvstep; |
---|
| 841 | } |
---|
| 842 | |
---|
| 843 | // Walk through all slices within this cluster |
---|
| 844 | for($j=0; $j < $csize; ++$j) { |
---|
| 845 | // Now adjust the position of the labels in each cluster starting |
---|
| 846 | // with the slice that is closest to the equator of the pie |
---|
| 847 | $a = $this->la[$clusters[$i][0]+$idx]; |
---|
| 848 | |
---|
| 849 | // Guide line start in the center of the arc of the slice |
---|
| 850 | $r = $radius+$this->explode_radius[$n-1-($clusters[$i][0]+$idx)]; |
---|
| 851 | $x = round($r*cos($a)+$xc); |
---|
| 852 | $y = round($yc-$r*sin($a)); |
---|
| 853 | |
---|
| 854 | // The distance from the arc depends on chosen font and the "R-Factor" |
---|
| 855 | $r += $fh*$this->iGuideLineRFactor; |
---|
| 856 | |
---|
| 857 | // Should the labels be placed curved along the pie or in straight columns |
---|
| 858 | // outside the pie? |
---|
| 859 | if( $this->iGuideLineCurve ) |
---|
| 860 | $xt=round($r*cos($a)+$xc); |
---|
| 861 | |
---|
| 862 | // If this is the first slice in the cluster we need some first time |
---|
| 863 | // proessing |
---|
| 864 | if( $idx == $start ) { |
---|
| 865 | if( ! $this->iGuideLineCurve ) |
---|
| 866 | $xt=round($r*cos($a)+$xc); |
---|
| 867 | $yt=round($yc-$r*sin($a)); |
---|
| 868 | |
---|
| 869 | // Some special consideration in case this cluster starts |
---|
| 870 | // in quadrant 1 or 3 very close to the "equator" (< 20 degrees) |
---|
| 871 | // and the previous clusters last slice is within the tolerance. |
---|
| 872 | // In that case we add a font height to this labels Y-position |
---|
| 873 | // so it doesn't collide with |
---|
| 874 | // the slice in the previous cluster |
---|
| 875 | $prevcluster = ($i + ($nc-1) ) % $nc; |
---|
| 876 | $previdx=$clusters[$prevcluster][0]+$clusters[$prevcluster][1]-1; |
---|
| 877 | if( $q == 1 && $a > 160*M_PI/180 ) { |
---|
| 878 | // Get the angle for the previous clusters last slice |
---|
| 879 | $diff = abs($a-$this->la[$previdx]); |
---|
| 880 | if( $diff < $tresh_hold ) { |
---|
| 881 | $yt -= $fh; |
---|
| 882 | } |
---|
| 883 | } |
---|
| 884 | elseif( $q == 3 && $a > 340*M_PI/180 ) { |
---|
| 885 | // We need to subtract 360 to compare angle distance between |
---|
| 886 | // q=0 and q=3 |
---|
| 887 | $diff = abs($a-$this->la[$previdx]-360*M_PI/180); |
---|
| 888 | if( $diff < $tresh_hold ) { |
---|
| 889 | $yt += $fh; |
---|
| 890 | } |
---|
| 891 | } |
---|
| 892 | |
---|
| 893 | } |
---|
| 894 | else { |
---|
| 895 | // The step is at minimum $vstep but if the slices are relatively large |
---|
| 896 | // we make sure that we add at least a step that corresponds to the vertical |
---|
| 897 | // distance between the centers at the arc on the slice |
---|
| 898 | $prev_a = $this->la[$clusters[$i][0]+($idx-$step)]; |
---|
| 899 | $dy = abs($radius*(sin($a)-sin($prev_a))*1.2); |
---|
| 900 | if( $vstep > 0 ) |
---|
| 901 | $yt += max($vstep,$dy); |
---|
| 902 | else |
---|
| 903 | $yt += min($vstep,-$dy); |
---|
| 904 | } |
---|
| 905 | |
---|
| 906 | $label = $this->labels[$clusters[$i][0]+$idx]; |
---|
| 907 | |
---|
| 908 | if( $csize == 1 ) { |
---|
| 909 | // A "meta" cluster with only one slice |
---|
| 910 | $r = $radius+$this->explode_radius[$n-1-($clusters[$i][0]+$idx)]; |
---|
| 911 | $rr = $r+$img->GetFontHeight()/2; |
---|
| 912 | $xt=round($rr*cos($a)+$xc); |
---|
| 913 | $yt=round($yc-$rr*sin($a)); |
---|
| 914 | $this->StrokeLabel($label,$img,$xc,$yc,$a,$r); |
---|
| 915 | if( $this->iShowGuideLineForSingle ) |
---|
| 916 | $this->guideline->Stroke($img,$x,$y,$xt,$yt); |
---|
| 917 | } |
---|
| 918 | else { |
---|
| 919 | $this->guideline->Stroke($img,$x,$y,$xt,$yt); |
---|
| 920 | if( $q==1 || $q==2 ) { |
---|
| 921 | // Left side of Pie |
---|
| 922 | $this->guideline->Stroke($img,$xt,$yt,$xt-$this->guidelinemargin,$yt); |
---|
| 923 | $lbladj = -$this->guidelinemargin-5; |
---|
| 924 | $this->value->halign = "right"; |
---|
| 925 | $this->value->valign = "center"; |
---|
| 926 | } |
---|
| 927 | else { |
---|
| 928 | // Right side of pie |
---|
| 929 | $this->guideline->Stroke($img,$xt,$yt,$xt+$this->guidelinemargin,$yt); |
---|
| 930 | $lbladj = $this->guidelinemargin+5; |
---|
| 931 | $this->value->halign = "left"; |
---|
| 932 | $this->value->valign = "center"; |
---|
| 933 | } |
---|
| 934 | $this->value->Stroke($img,$label,$xt+$lbladj,$yt); |
---|
| 935 | } |
---|
| 936 | |
---|
| 937 | // Udate idx to point to next slice in the cluster to process |
---|
| 938 | $idx += $step; |
---|
| 939 | } |
---|
| 940 | } |
---|
| 941 | } |
---|
| 942 | |
---|
| 943 | function StrokeAllLabels($img,$xc,$yc,$radius) { |
---|
| 944 | // First normalize all angles for labels |
---|
| 945 | $n = count($this->la); |
---|
| 946 | for($i=0; $i < $n; ++$i) { |
---|
| 947 | $this->la[$i] = $this->NormAngle($this->la[$i]); |
---|
| 948 | } |
---|
| 949 | if( $this->guideline->iShow ) { |
---|
| 950 | $this->StrokeGuideLabels($img,$xc,$yc,$radius); |
---|
| 951 | } |
---|
| 952 | else { |
---|
| 953 | $n = count($this->labels); |
---|
| 954 | for($i=0; $i < $n; ++$i) { |
---|
| 955 | $this->StrokeLabel($this->labels[$i],$img,$xc,$yc, |
---|
| 956 | $this->la[$i], |
---|
| 957 | $radius + $this->explode_radius[$n-1-$i]); |
---|
| 958 | } |
---|
| 959 | } |
---|
| 960 | } |
---|
| 961 | |
---|
| 962 | // Position the labels of each slice |
---|
| 963 | function StrokeLabel($label,$img,$xc,$yc,$a,$r) { |
---|
| 964 | |
---|
| 965 | // Default value |
---|
| 966 | if( $this->ilabelposadj === 'auto' ) |
---|
| 967 | $this->ilabelposadj = 0.65; |
---|
| 968 | |
---|
| 969 | // We position the values diferently depending on if they are inside |
---|
| 970 | // or outside the pie |
---|
| 971 | if( $this->ilabelposadj < 1.0 ) { |
---|
| 972 | |
---|
| 973 | $this->value->SetAlign('center','center'); |
---|
| 974 | $this->value->margin = 0; |
---|
| 975 | |
---|
| 976 | $xt=round($this->ilabelposadj*$r*cos($a)+$xc); |
---|
| 977 | $yt=round($yc-$this->ilabelposadj*$r*sin($a)); |
---|
| 978 | |
---|
| 979 | $this->value->Stroke($img,$label,$xt,$yt); |
---|
| 980 | } |
---|
| 981 | else { |
---|
| 982 | |
---|
| 983 | $this->value->halign = "left"; |
---|
| 984 | $this->value->valign = "top"; |
---|
| 985 | $this->value->margin = 0; |
---|
| 986 | |
---|
| 987 | // Position the axis title. |
---|
| 988 | // dx, dy is the offset from the top left corner of the bounding box that sorrounds the text |
---|
| 989 | // that intersects with the extension of the corresponding axis. The code looks a little |
---|
| 990 | // bit messy but this is really the only way of having a reasonable position of the |
---|
| 991 | // axis titles. |
---|
| 992 | $this->value->ApplyFont($img); |
---|
| 993 | $h=$img->GetTextHeight($label); |
---|
| 994 | // For numeric values the format of the display value |
---|
| 995 | // must be taken into account |
---|
| 996 | if( is_numeric($label) ) { |
---|
| 997 | if( $label > 0 ) |
---|
| 998 | $w=$img->GetTextWidth(sprintf($this->value->format,$label)); |
---|
| 999 | else |
---|
| 1000 | $w=$img->GetTextWidth(sprintf($this->value->negformat,$label)); |
---|
| 1001 | } |
---|
| 1002 | else |
---|
| 1003 | $w=$img->GetTextWidth($label); |
---|
| 1004 | |
---|
| 1005 | if( $this->ilabelposadj > 1.0 && $this->ilabelposadj < 5.0) { |
---|
| 1006 | $r *= $this->ilabelposadj; |
---|
| 1007 | } |
---|
| 1008 | |
---|
| 1009 | $r += $img->GetFontHeight()/1.5; |
---|
| 1010 | |
---|
| 1011 | $xt=round($r*cos($a)+$xc); |
---|
| 1012 | $yt=round($yc-$r*sin($a)); |
---|
| 1013 | |
---|
| 1014 | // Normalize angle |
---|
| 1015 | while( $a < 0 ) $a += 2*M_PI; |
---|
| 1016 | while( $a > 2*M_PI ) $a -= 2*M_PI; |
---|
| 1017 | |
---|
| 1018 | if( $a>=7*M_PI/4 || $a <= M_PI/4 ) $dx=0; |
---|
| 1019 | if( $a>=M_PI/4 && $a <= 3*M_PI/4 ) $dx=($a-M_PI/4)*2/M_PI; |
---|
| 1020 | if( $a>=3*M_PI/4 && $a <= 5*M_PI/4 ) $dx=1; |
---|
| 1021 | if( $a>=5*M_PI/4 && $a <= 7*M_PI/4 ) $dx=(1-($a-M_PI*5/4)*2/M_PI); |
---|
| 1022 | |
---|
| 1023 | if( $a>=7*M_PI/4 ) $dy=(($a-M_PI)-3*M_PI/4)*2/M_PI; |
---|
| 1024 | if( $a<=M_PI/4 ) $dy=(1-$a*2/M_PI); |
---|
| 1025 | if( $a>=M_PI/4 && $a <= 3*M_PI/4 ) $dy=1; |
---|
| 1026 | if( $a>=3*M_PI/4 && $a <= 5*M_PI/4 ) $dy=(1-($a-3*M_PI/4)*2/M_PI); |
---|
| 1027 | if( $a>=5*M_PI/4 && $a <= 7*M_PI/4 ) $dy=0; |
---|
| 1028 | |
---|
| 1029 | $this->value->Stroke($img,$label,$xt-$dx*$w,$yt-$dy*$h); |
---|
| 1030 | } |
---|
| 1031 | } |
---|
| 1032 | |
---|
| 1033 | function UsePlotThemeColors($flag = true) { |
---|
| 1034 | $this->use_plot_theme_colors = $flag; |
---|
| 1035 | } |
---|
| 1036 | } // Class |
---|
| 1037 | |
---|
| 1038 | |
---|
| 1039 | //=================================================== |
---|
| 1040 | // CLASS PiePlotC |
---|
| 1041 | // Description: Same as a normal pie plot but with a |
---|
| 1042 | // filled circle in the center |
---|
| 1043 | //=================================================== |
---|
| 1044 | class PiePlotC extends PiePlot { |
---|
| 1045 | private $imidsize=0.5; // Fraction of total width |
---|
| 1046 | private $imidcolor='white'; |
---|
| 1047 | public $midtitle=''; |
---|
| 1048 | private $middlecsimtarget='',$middlecsimwintarget='',$middlecsimalt=''; |
---|
| 1049 | |
---|
| 1050 | function __construct($data,$aCenterTitle='') { |
---|
| 1051 | parent::__construct($data); |
---|
| 1052 | $this->midtitle = new Text(); |
---|
| 1053 | $this->midtitle->ParagraphAlign('center'); |
---|
| 1054 | } |
---|
| 1055 | |
---|
| 1056 | function SetMid($aTitle,$aColor='white',$aSize=0.5) { |
---|
| 1057 | $this->midtitle->Set($aTitle); |
---|
| 1058 | |
---|
| 1059 | $this->imidsize = $aSize ; |
---|
| 1060 | $this->imidcolor = $aColor ; |
---|
| 1061 | } |
---|
| 1062 | |
---|
| 1063 | function SetMidTitle($aTitle) { |
---|
| 1064 | $this->midtitle->Set($aTitle); |
---|
| 1065 | } |
---|
| 1066 | |
---|
| 1067 | function SetMidSize($aSize) { |
---|
| 1068 | $this->imidsize = $aSize ; |
---|
| 1069 | } |
---|
| 1070 | |
---|
| 1071 | function SetMidColor($aColor) { |
---|
| 1072 | $this->imidcolor = $aColor ; |
---|
| 1073 | } |
---|
| 1074 | |
---|
| 1075 | function SetMidCSIM($aTarget,$aAlt='',$aWinTarget='') { |
---|
| 1076 | $this->middlecsimtarget = $aTarget; |
---|
| 1077 | $this->middlecsimwintarget = $aWinTarget; |
---|
| 1078 | $this->middlecsimalt = $aAlt; |
---|
| 1079 | } |
---|
| 1080 | |
---|
| 1081 | function AddSliceToCSIM($i,$xc,$yc,$radius,$sa,$ea) { |
---|
| 1082 | //Slice number, ellipse centre (x,y), radius, start angle, end angle |
---|
| 1083 | while( $sa > 2*M_PI ) $sa = $sa - 2*M_PI; |
---|
| 1084 | while( $ea > 2*M_PI ) $ea = $ea - 2*M_PI; |
---|
| 1085 | |
---|
| 1086 | $sa = 2*M_PI - $sa; |
---|
| 1087 | $ea = 2*M_PI - $ea; |
---|
| 1088 | |
---|
| 1089 | // Special case when we have only one slice since then both start and end |
---|
| 1090 | // angle will be == 0 |
---|
| 1091 | if( abs($sa - $ea) < 0.0001 ) { |
---|
| 1092 | $sa=2*M_PI; $ea=0; |
---|
| 1093 | } |
---|
| 1094 | |
---|
| 1095 | // Add inner circle first point |
---|
| 1096 | $xp = floor(($this->imidsize*$radius*cos($ea))+$xc); |
---|
| 1097 | $yp = floor($yc-($this->imidsize*$radius*sin($ea))); |
---|
| 1098 | $coords = "$xp, $yp"; |
---|
| 1099 | |
---|
| 1100 | //add coordinates every 0.25 radians |
---|
| 1101 | $a=$ea+0.25; |
---|
| 1102 | |
---|
| 1103 | // If we cross the 360-limit with a slice we need to handle |
---|
| 1104 | // the fact that end angle is smaller than start |
---|
| 1105 | if( $sa < $ea ) { |
---|
| 1106 | while ($a <= 2*M_PI) { |
---|
| 1107 | $xp = floor($radius*cos($a)+$xc); |
---|
| 1108 | $yp = floor($yc-$radius*sin($a)); |
---|
| 1109 | $coords.= ", $xp, $yp"; |
---|
| 1110 | $a += 0.25; |
---|
| 1111 | } |
---|
| 1112 | $a -= 2*M_PI; |
---|
| 1113 | } |
---|
| 1114 | |
---|
| 1115 | while ($a < $sa) { |
---|
| 1116 | $xp = floor(($this->imidsize*$radius*cos($a)+$xc)); |
---|
| 1117 | $yp = floor($yc-($this->imidsize*$radius*sin($a))); |
---|
| 1118 | $coords.= ", $xp, $yp"; |
---|
| 1119 | $a += 0.25; |
---|
| 1120 | } |
---|
| 1121 | |
---|
| 1122 | // Make sure we end at the last point |
---|
| 1123 | $xp = floor(($this->imidsize*$radius*cos($sa)+$xc)); |
---|
| 1124 | $yp = floor($yc-($this->imidsize*$radius*sin($sa))); |
---|
| 1125 | $coords.= ", $xp, $yp"; |
---|
| 1126 | |
---|
| 1127 | // Straight line to outer circle |
---|
| 1128 | $xp = floor($radius*cos($sa)+$xc); |
---|
| 1129 | $yp = floor($yc-$radius*sin($sa)); |
---|
| 1130 | $coords.= ", $xp, $yp"; |
---|
| 1131 | |
---|
| 1132 | //add coordinates every 0.25 radians |
---|
| 1133 | $a=$sa - 0.25; |
---|
| 1134 | while ($a > $ea) { |
---|
| 1135 | $xp = floor($radius*cos($a)+$xc); |
---|
| 1136 | $yp = floor($yc-$radius*sin($a)); |
---|
| 1137 | $coords.= ", $xp, $yp"; |
---|
| 1138 | $a -= 0.25; |
---|
| 1139 | } |
---|
| 1140 | |
---|
| 1141 | //Add the last point on the arc |
---|
| 1142 | $xp = floor($radius*cos($ea)+$xc); |
---|
| 1143 | $yp = floor($yc-$radius*sin($ea)); |
---|
| 1144 | $coords.= ", $xp, $yp"; |
---|
| 1145 | |
---|
| 1146 | // Close the arc |
---|
| 1147 | $xp = floor(($this->imidsize*$radius*cos($ea))+$xc); |
---|
| 1148 | $yp = floor($yc-($this->imidsize*$radius*sin($ea))); |
---|
| 1149 | $coords .= ", $xp, $yp"; |
---|
| 1150 | |
---|
| 1151 | if( !empty($this->csimtargets[$i]) ) { |
---|
| 1152 | $this->csimareas .= "<area shape=\"poly\" coords=\"$coords\" href=\"". |
---|
| 1153 | $this->csimtargets[$i]."\""; |
---|
| 1154 | if( !empty($this->csimwintargets[$i]) ) { |
---|
| 1155 | $this->csimareas .= " target=\"".$this->csimwintargets[$i]."\" "; |
---|
| 1156 | } |
---|
| 1157 | if( !empty($this->csimalts[$i]) ) { |
---|
| 1158 | $tmp=sprintf($this->csimalts[$i],$this->data[$i]); |
---|
| 1159 | $this->csimareas .= " title=\"$tmp\" alt=\"$tmp\" "; |
---|
| 1160 | } |
---|
| 1161 | $this->csimareas .= " />\n"; |
---|
| 1162 | } |
---|
| 1163 | } |
---|
| 1164 | |
---|
| 1165 | |
---|
| 1166 | function Stroke($img,$aaoption=0) { |
---|
| 1167 | |
---|
| 1168 | // Stroke the pie but don't stroke values |
---|
| 1169 | $tmp = $this->value->show; |
---|
| 1170 | $this->value->show = false; |
---|
| 1171 | parent::Stroke($img,$aaoption); |
---|
| 1172 | $this->value->show = $tmp; |
---|
| 1173 | |
---|
| 1174 | $xc = round($this->posx*$img->width); |
---|
| 1175 | $yc = round($this->posy*$img->height); |
---|
| 1176 | |
---|
| 1177 | $radius = floor($this->radius * min($img->width,$img->height)) ; |
---|
| 1178 | |
---|
| 1179 | |
---|
| 1180 | if( $this->imidsize > 0 && $aaoption !== 2 ) { |
---|
| 1181 | |
---|
| 1182 | if( $this->ishadowcolor != "" ) { |
---|
| 1183 | $img->SetColor($this->ishadowcolor); |
---|
| 1184 | $img->FilledCircle($xc+$this->ishadowdrop,$yc+$this->ishadowdrop, |
---|
| 1185 | round($radius*$this->imidsize)); |
---|
| 1186 | } |
---|
| 1187 | |
---|
| 1188 | $img->SetColor($this->imidcolor); |
---|
| 1189 | $img->FilledCircle($xc,$yc,round($radius*$this->imidsize)); |
---|
| 1190 | |
---|
| 1191 | if( $this->pie_border && $aaoption === 0 ) { |
---|
| 1192 | $img->SetColor($this->color); |
---|
| 1193 | $img->Circle($xc,$yc,round($radius*$this->imidsize)); |
---|
| 1194 | } |
---|
| 1195 | |
---|
| 1196 | if( !empty($this->middlecsimtarget) ) |
---|
| 1197 | $this->AddMiddleCSIM($xc,$yc,round($radius*$this->imidsize)); |
---|
| 1198 | |
---|
| 1199 | } |
---|
| 1200 | |
---|
| 1201 | if( $this->value->show && $aaoption !== 1) { |
---|
| 1202 | $this->StrokeAllLabels($img,$xc,$yc,$radius); |
---|
| 1203 | $this->midtitle->SetPos($xc,$yc,'center','center'); |
---|
| 1204 | $this->midtitle->Stroke($img); |
---|
| 1205 | } |
---|
| 1206 | |
---|
| 1207 | } |
---|
| 1208 | |
---|
| 1209 | function AddMiddleCSIM($xc,$yc,$r) { |
---|
| 1210 | $xc=round($xc);$yc=round($yc);$r=round($r); |
---|
| 1211 | $this->csimareas .= "<area shape=\"circle\" coords=\"$xc,$yc,$r\" href=\"". |
---|
| 1212 | $this->middlecsimtarget."\""; |
---|
| 1213 | if( !empty($this->middlecsimwintarget) ) { |
---|
| 1214 | $this->csimareas .= " target=\"".$this->middlecsimwintarget."\""; |
---|
| 1215 | } |
---|
| 1216 | if( !empty($this->middlecsimalt) ) { |
---|
| 1217 | $tmp = $this->middlecsimalt; |
---|
| 1218 | $this->csimareas .= " title=\"$tmp\" alt=\"$tmp\" "; |
---|
| 1219 | } |
---|
| 1220 | $this->csimareas .= " />\n"; |
---|
| 1221 | } |
---|
| 1222 | |
---|
| 1223 | function StrokeLabel($label,$img,$xc,$yc,$a,$r) { |
---|
| 1224 | |
---|
| 1225 | if( $this->ilabelposadj === 'auto' ) |
---|
| 1226 | $this->ilabelposadj = (1-$this->imidsize)/2+$this->imidsize; |
---|
| 1227 | |
---|
| 1228 | parent::StrokeLabel($label,$img,$xc,$yc,$a,$r); |
---|
| 1229 | |
---|
| 1230 | } |
---|
| 1231 | |
---|
| 1232 | } |
---|
| 1233 | |
---|
| 1234 | |
---|
| 1235 | //=================================================== |
---|
| 1236 | // CLASS PieGraph |
---|
| 1237 | // Description: |
---|
| 1238 | //=================================================== |
---|
| 1239 | class PieGraph extends Graph { |
---|
| 1240 | private $posx, $posy, $radius; |
---|
| 1241 | private $legends=array(); |
---|
| 1242 | public $plots=array(); |
---|
| 1243 | public $pieaa = false ; |
---|
| 1244 | //--------------- |
---|
| 1245 | // CONSTRUCTOR |
---|
| 1246 | function __construct($width=300,$height=200,$cachedName="",$timeout=0,$inline=1) { |
---|
| 1247 | parent::__construct($width,$height,$cachedName,$timeout,$inline); |
---|
| 1248 | $this->posx=$width/2; |
---|
| 1249 | $this->posy=$height/2; |
---|
| 1250 | $this->SetColor(array(255,255,255)); |
---|
| 1251 | |
---|
| 1252 | if ($this->graph_theme) { |
---|
| 1253 | $this->graph_theme->ApplyGraph($this); |
---|
| 1254 | } |
---|
| 1255 | } |
---|
| 1256 | |
---|
| 1257 | //--------------- |
---|
| 1258 | // PUBLIC METHODS |
---|
| 1259 | function Add($aObj) { |
---|
| 1260 | |
---|
| 1261 | if( is_array($aObj) && count($aObj) > 0 ) |
---|
| 1262 | $cl = $aObj[0]; |
---|
| 1263 | else |
---|
| 1264 | $cl = $aObj; |
---|
| 1265 | |
---|
| 1266 | if( $cl instanceof Text ) |
---|
| 1267 | $this->AddText($aObj); |
---|
| 1268 | elseif( class_exists('IconPlot',false) && ($cl instanceof IconPlot) ) |
---|
| 1269 | $this->AddIcon($aObj); |
---|
| 1270 | else { |
---|
| 1271 | if( is_array($aObj) ) { |
---|
| 1272 | $n = count($aObj); |
---|
| 1273 | for($i=0; $i < $n; ++$i ) { |
---|
| 1274 | //if ($aObj[$i]->theme) { |
---|
| 1275 | // $this->ClearTheme(); |
---|
| 1276 | //} |
---|
| 1277 | $this->plots[] = $aObj[$i]; |
---|
| 1278 | } |
---|
| 1279 | } |
---|
| 1280 | else { |
---|
| 1281 | //if ($aObj->theme) { |
---|
| 1282 | // $this->ClearTheme(); |
---|
| 1283 | //} |
---|
| 1284 | $this->plots[] = $aObj; |
---|
| 1285 | } |
---|
| 1286 | } |
---|
| 1287 | |
---|
| 1288 | if ($this->graph_theme) { |
---|
| 1289 | $this->graph_theme->SetupPlot($aObj); |
---|
| 1290 | if ($aObj->is_using_plot_theme) { |
---|
| 1291 | $aObj->UsePlotThemeColors(); |
---|
| 1292 | } |
---|
| 1293 | } |
---|
| 1294 | } |
---|
| 1295 | |
---|
| 1296 | function SetAntiAliasing($aFlg=true) { |
---|
| 1297 | $this->pieaa = $aFlg; |
---|
| 1298 | } |
---|
| 1299 | |
---|
| 1300 | function SetColor($c) { |
---|
| 1301 | $this->SetMarginColor($c); |
---|
| 1302 | } |
---|
| 1303 | |
---|
| 1304 | |
---|
| 1305 | function DisplayCSIMAreas() { |
---|
| 1306 | $csim=""; |
---|
| 1307 | foreach($this->plots as $p ) { |
---|
| 1308 | $csim .= $p->GetCSIMareas(); |
---|
| 1309 | } |
---|
| 1310 | |
---|
| 1311 | $csim.= $this->legend->GetCSIMareas(); |
---|
| 1312 | if (preg_match_all("/area shape=\"(\w+)\" coords=\"([0-9\, ]+)\"/", $csim, $coords)) { |
---|
| 1313 | $this->img->SetColor($this->csimcolor); |
---|
| 1314 | $n = count($coords[0]); |
---|
| 1315 | for ($i=0; $i < $n; $i++) { |
---|
| 1316 | if ($coords[1][$i]=="poly") { |
---|
| 1317 | preg_match_all('/\s*([0-9]+)\s*,\s*([0-9]+)\s*,*/',$coords[2][$i],$pts); |
---|
| 1318 | $this->img->SetStartPoint($pts[1][count($pts[0])-1],$pts[2][count($pts[0])-1]); |
---|
| 1319 | $m = count($pts[0]); |
---|
| 1320 | for ($j=0; $j < $m; $j++) { |
---|
| 1321 | $this->img->LineTo($pts[1][$j],$pts[2][$j]); |
---|
| 1322 | } |
---|
| 1323 | } else if ($coords[1][$i]=="rect") { |
---|
| 1324 | $pts = preg_split('/,/', $coords[2][$i]); |
---|
| 1325 | $this->img->SetStartPoint($pts[0],$pts[1]); |
---|
| 1326 | $this->img->LineTo($pts[2],$pts[1]); |
---|
| 1327 | $this->img->LineTo($pts[2],$pts[3]); |
---|
| 1328 | $this->img->LineTo($pts[0],$pts[3]); |
---|
| 1329 | $this->img->LineTo($pts[0],$pts[1]); |
---|
| 1330 | |
---|
| 1331 | } |
---|
| 1332 | } |
---|
| 1333 | } |
---|
| 1334 | } |
---|
| 1335 | |
---|
| 1336 | // Method description |
---|
| 1337 | function Stroke($aStrokeFileName="") { |
---|
| 1338 | |
---|
| 1339 | // If the filename is the predefined value = '_csim_special_' |
---|
| 1340 | // we assume that the call to stroke only needs to do enough |
---|
| 1341 | // to correctly generate the CSIM maps. |
---|
| 1342 | // We use this variable to skip things we don't strictly need |
---|
| 1343 | // to do to generate the image map to improve performance |
---|
| 1344 | // a best we can. Therefor you will see a lot of tests !$_csim in the |
---|
| 1345 | // code below. |
---|
| 1346 | $_csim = ($aStrokeFileName===_CSIM_SPECIALFILE); |
---|
| 1347 | |
---|
| 1348 | // If we are called the second time (perhaps the user has called GetHTMLImageMap() |
---|
| 1349 | // himself then the legends have alsready been populated once in order to get the |
---|
| 1350 | // CSIM coordinats. Since we do not want the legends to be populated a second time |
---|
| 1351 | // we clear the legends |
---|
| 1352 | $this->legend->Clear(); |
---|
| 1353 | |
---|
| 1354 | // We need to know if we have stroked the plot in the |
---|
| 1355 | // GetCSIMareas. Otherwise the CSIM hasn't been generated |
---|
| 1356 | // and in the case of GetCSIM called before stroke to generate |
---|
| 1357 | // CSIM without storing an image to disk GetCSIM must call Stroke. |
---|
| 1358 | $this->iHasStroked = true; |
---|
| 1359 | |
---|
| 1360 | $n = count($this->plots); |
---|
| 1361 | |
---|
| 1362 | if( $this->pieaa ) { |
---|
| 1363 | |
---|
| 1364 | if( !$_csim ) { |
---|
| 1365 | if( $this->background_image != "" ) { |
---|
| 1366 | $this->StrokeFrameBackground(); |
---|
| 1367 | } |
---|
| 1368 | else { |
---|
| 1369 | $this->StrokeFrame(); |
---|
| 1370 | $this->StrokeBackgroundGrad(); |
---|
| 1371 | } |
---|
| 1372 | } |
---|
| 1373 | |
---|
| 1374 | |
---|
| 1375 | $w = $this->img->width; |
---|
| 1376 | $h = $this->img->height; |
---|
| 1377 | $oldimg = $this->img->img; |
---|
| 1378 | |
---|
| 1379 | $this->img->CreateImgCanvas(2*$w,2*$h); |
---|
| 1380 | |
---|
| 1381 | $this->img->SetColor( $this->margin_color ); |
---|
| 1382 | $this->img->FilledRectangle(0,0,2*$w-1,2*$h-1); |
---|
| 1383 | |
---|
| 1384 | // Make all icons *2 i size since we will be scaling down the |
---|
| 1385 | // imahe to do the anti aliasing |
---|
| 1386 | $ni = count($this->iIcons); |
---|
| 1387 | for($i=0; $i < $ni; ++$i) { |
---|
| 1388 | $this->iIcons[$i]->iScale *= 2 ; |
---|
| 1389 | if( $this->iIcons[$i]->iX > 1 ) |
---|
| 1390 | $this->iIcons[$i]->iX *= 2 ; |
---|
| 1391 | if( $this->iIcons[$i]->iY > 1 ) |
---|
| 1392 | $this->iIcons[$i]->iY *= 2 ; |
---|
| 1393 | } |
---|
| 1394 | |
---|
| 1395 | $this->StrokeIcons(); |
---|
| 1396 | |
---|
| 1397 | for($i=0; $i < $n; ++$i) { |
---|
| 1398 | if( $this->plots[$i]->posx > 1 ) |
---|
| 1399 | $this->plots[$i]->posx *= 2 ; |
---|
| 1400 | if( $this->plots[$i]->posy > 1 ) |
---|
| 1401 | $this->plots[$i]->posy *= 2 ; |
---|
| 1402 | |
---|
| 1403 | $this->plots[$i]->Stroke($this->img,1); |
---|
| 1404 | |
---|
| 1405 | if( $this->plots[$i]->posx > 1 ) |
---|
| 1406 | $this->plots[$i]->posx /= 2 ; |
---|
| 1407 | if( $this->plots[$i]->posy > 1 ) |
---|
| 1408 | $this->plots[$i]->posy /= 2 ; |
---|
| 1409 | } |
---|
| 1410 | |
---|
| 1411 | $indent = $this->doframe ? ($this->frame_weight + ($this->doshadow ? $this->shadow_width : 0 )) : 0 ; |
---|
| 1412 | $indent += $this->framebevel ? $this->framebeveldepth + 1 : 0 ; |
---|
| 1413 | $this->img->CopyCanvasH($oldimg,$this->img->img,$indent,$indent,$indent,$indent, |
---|
| 1414 | $w-2*$indent,$h-2*$indent,2*($w-$indent),2*($h-$indent)); |
---|
| 1415 | |
---|
| 1416 | $this->img->img = $oldimg ; |
---|
| 1417 | $this->img->width = $w ; |
---|
| 1418 | $this->img->height = $h ; |
---|
| 1419 | |
---|
| 1420 | for($i=0; $i < $n; ++$i) { |
---|
| 1421 | $this->plots[$i]->Stroke($this->img,2); // Stroke labels |
---|
| 1422 | $this->plots[$i]->Legend($this); |
---|
| 1423 | } |
---|
| 1424 | |
---|
| 1425 | } |
---|
| 1426 | else { |
---|
| 1427 | |
---|
| 1428 | if( !$_csim ) { |
---|
| 1429 | if( $this->background_image != "" ) { |
---|
| 1430 | $this->StrokeFrameBackground(); |
---|
| 1431 | } |
---|
| 1432 | else { |
---|
| 1433 | $this->StrokeFrame(); |
---|
| 1434 | $this->StrokeBackgroundGrad(); |
---|
| 1435 | } |
---|
| 1436 | } |
---|
| 1437 | |
---|
| 1438 | $this->StrokeIcons(); |
---|
| 1439 | |
---|
| 1440 | for($i=0; $i < $n; ++$i) { |
---|
| 1441 | $this->plots[$i]->Stroke($this->img); |
---|
| 1442 | $this->plots[$i]->Legend($this); |
---|
| 1443 | } |
---|
| 1444 | } |
---|
| 1445 | |
---|
| 1446 | $this->legend->Stroke($this->img); |
---|
| 1447 | $this->footer->Stroke($this->img); |
---|
| 1448 | $this->StrokeTitles(); |
---|
| 1449 | |
---|
| 1450 | if( !$_csim ) { |
---|
| 1451 | |
---|
| 1452 | // Stroke texts |
---|
| 1453 | if( $this->texts != null ) { |
---|
| 1454 | $n = count($this->texts); |
---|
| 1455 | for($i=0; $i < $n; ++$i ) { |
---|
| 1456 | $this->texts[$i]->Stroke($this->img); |
---|
| 1457 | } |
---|
| 1458 | } |
---|
| 1459 | |
---|
| 1460 | if( _JPG_DEBUG ) { |
---|
| 1461 | $this->DisplayCSIMAreas(); |
---|
| 1462 | } |
---|
| 1463 | |
---|
| 1464 | // Should we do any final image transformation |
---|
| 1465 | if( $this->iImgTrans ) { |
---|
| 1466 | if( !class_exists('ImgTrans',false) ) { |
---|
| 1467 | require_once('jpgraph_imgtrans.php'); |
---|
| 1468 | //JpGraphError::Raise('In order to use image transformation you must include the file jpgraph_imgtrans.php in your script.'); |
---|
| 1469 | } |
---|
| 1470 | |
---|
| 1471 | $tform = new ImgTrans($this->img->img); |
---|
| 1472 | $this->img->img = $tform->Skew3D($this->iImgTransHorizon,$this->iImgTransSkewDist, |
---|
| 1473 | $this->iImgTransDirection,$this->iImgTransHighQ, |
---|
| 1474 | $this->iImgTransMinSize,$this->iImgTransFillColor, |
---|
| 1475 | $this->iImgTransBorder); |
---|
| 1476 | } |
---|
| 1477 | |
---|
| 1478 | |
---|
| 1479 | // If the filename is given as the special "__handle" |
---|
| 1480 | // then the image handler is returned and the image is NOT |
---|
| 1481 | // streamed back |
---|
| 1482 | if( $aStrokeFileName == _IMG_HANDLER ) { |
---|
| 1483 | return $this->img->img; |
---|
| 1484 | } |
---|
| 1485 | else { |
---|
| 1486 | // Finally stream the generated picture |
---|
| 1487 | $this->cache->PutAndStream($this->img,$this->cache_name,$this->inline, |
---|
| 1488 | $aStrokeFileName); |
---|
| 1489 | } |
---|
| 1490 | } |
---|
| 1491 | } |
---|
| 1492 | } // Class |
---|
| 1493 | |
---|
| 1494 | /* EOF */ |
---|
| 1495 | ?> |
---|