| [2] | 1 | <?php
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| 2 | /*=======================================================================
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| [284] | 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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| [2] | 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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| [284] | 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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| [2] | 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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| [284] | 33 | protected $csimareas=''; // Generated CSIM text
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| 34 | protected $csimalts=null; // ALT tags for corresponding target
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| [2] | 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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| [284] | 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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| [2] | 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 $la = array(); // Holds the exact angle for each label
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| [284] | 58 |
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| 59 | //---------------
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| 60 | // CONSTRUCTOR
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| 61 | function __construct($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 | $this->guideline = new LineProperty();
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| [2] | 69 | }
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| 70 |
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| [284] | 71 | //---------------
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| 72 | // PUBLIC METHODS
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| [2] | 73 | function SetCenter($x,$y=0.5) {
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| [284] | 74 | $this->posx = $x;
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| 75 | $this->posy = $y;
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| [2] | 76 | }
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| 77 |
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| 78 | // Enable guideline and set drwaing policy
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| 79 | function SetGuideLines($aFlg=true,$aCurved=true,$aAlways=false) {
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| [284] | 80 | $this->guideline->Show($aFlg);
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| 81 | $this->iShowGuideLineForSingle = $aAlways;
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| 82 | $this->iGuideLineCurve = $aCurved;
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| [2] | 83 | }
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| 84 |
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| 85 | // Adjuste the distance between labels and labels and pie
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| 86 | function SetGuideLinesAdjust($aVFactor,$aRFactor=0.8) {
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| [284] | 87 | $this->iGuideVFactor=$aVFactor;
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| 88 | $this->iGuideLineRFactor=$aRFactor;
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| [2] | 89 | }
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| 90 |
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| 91 | function SetColor($aColor) {
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| [284] | 92 | $this->color = $aColor;
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| [2] | 93 | }
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| [284] | 94 |
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| [2] | 95 | function SetSliceColors($aColors) {
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| [284] | 96 | $this->setslicecolors = $aColors;
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| [2] | 97 | }
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| [284] | 98 |
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| [2] | 99 | function SetShadow($aColor='darkgray',$aDropWidth=4) {
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| [284] | 100 | $this->ishadowcolor = $aColor;
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| 101 | $this->ishadowdrop = $aDropWidth;
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| [2] | 102 | }
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| 103 |
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| 104 | function SetCSIMTargets($aTargets,$aAlts='',$aWinTargets='') {
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| [284] | 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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| [2] | 110 | }
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| [284] | 111 |
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| [2] | 112 | function GetCSIMareas() {
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| [284] | 113 | return $this->csimareas;
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| [2] | 114 | }
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| 115 |
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| [284] | 116 | function AddSliceToCSIM($i,$xc,$yc,$radius,$sa,$ea) {
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| [2] | 117 | //Slice number, ellipse centre (x,y), height, width, start angle, end angle
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| [284] | 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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| [2] | 120 |
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| [284] | 121 | $sa = 2*M_PI - $sa;
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| 122 | $ea = 2*M_PI - $ea;
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| [2] | 123 |
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| [284] | 124 | // Special case when we have only one slice since then both start and end
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| 125 | // angle will be == 0
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| 126 | if( abs($sa - $ea) < 0.0001 ) {
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| 127 | $sa=2*M_PI; $ea=0;
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| 128 | }
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| [2] | 129 |
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| [284] | 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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| [2] | 133 |
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| [284] | 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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| [2] | 138 |
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| [284] | 139 | //add coordinates every 0.2 radians
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| 140 | $a=$ea+0.2;
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| [2] | 141 |
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| [284] | 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 | $a -= 2*M_PI;
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| 152 | }
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| [2] | 153 |
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| [284] | 154 |
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| 155 | while ($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 | $this->csimareas .= " />\n";
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| 177 | }
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| [2] | 178 | }
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| 179 |
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| [284] | 180 |
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| [2] | 181 | function SetTheme($aTheme) {
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| [284] | 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: $aTheme");
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| 190 | }
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| [2] | 191 | }
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| [284] | 192 |
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| [2] | 193 | function ExplodeSlice($e,$radius=20) {
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| [284] | 194 | if( ! is_integer($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]=$radius;
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| [2] | 197 | }
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| 198 |
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| 199 | function ExplodeAll($radius=20) {
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| [284] | 200 | $this->explode_all=true;
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| 201 | $this->explode_r = $radius;
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| [2] | 202 | }
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| 203 |
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| 204 | function Explode($aExplodeArr) {
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| [284] | 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 = $aExplodeArr;
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| [2] | 210 | }
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| 211 |
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| 212 | function SetStartAngle($aStart) {
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| [284] | 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 | $this->startangle *= M_PI/180;
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| 222 | }
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| [2] | 223 | }
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| [284] | 224 |
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| [2] | 225 | // Size in percentage
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| 226 | function SetSize($aSize) {
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| [284] | 227 | if( ($aSize>0 && $aSize<=0.5) || ($aSize>10 && $aSize<1000) )
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| 228 | $this->radius = $aSize;
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| 229 | else
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| 230 | JpGraphError::RaiseL(15006);
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| 231 | //("PiePlot::SetSize() Radius for pie must either be specified as a fraction [0, 0.5] of the size of the image or as an absolute size in pixels in the range [10, 1000]");
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| [2] | 232 | }
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| [284] | 233 |
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| [2] | 234 | // Set label arrays
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| 235 | function SetLegends($aLegend) {
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| [284] | 236 | $this->legends = $aLegend;
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| [2] | 237 | }
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| 238 |
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| [284] | 239 | // Set text labels for slices
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| [2] | 240 | function SetLabels($aLabels,$aLblPosAdj="auto") {
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| [284] | 241 | $this->labels = array_reverse($aLabels);
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| 242 | $this->ilabelposadj=$aLblPosAdj;
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| [2] | 243 | }
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| 244 |
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| 245 | function SetLabelPos($aLblPosAdj) {
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| [284] | 246 | $this->ilabelposadj=$aLblPosAdj;
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| [2] | 247 | }
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| [284] | 248 |
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| [2] | 249 | // Should we display actual value or percentage?
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| [284] | 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 = $aType;
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| [2] | 255 | }
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| 256 |
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| [284] | 257 | // Deprecated.
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| [2] | 258 | function SetValueType($aType) {
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| [284] | 259 | $this->SetLabelType($aType);
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| [2] | 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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| [284] | 264 | $this->pie_border = $exterior;
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| 265 | $this->pie_interior_border = $interior;
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| [2] | 266 | }
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| [284] | 267 |
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| [2] | 268 | // Setup the legends
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| 269 | function Legend($graph) {
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| [284] | 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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| [2] | 274 |
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| [284] | 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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| [2] | 288 |
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| [284] | 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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| [2] | 292 |
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| [284] | 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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| [2] | 296 |
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| [284] | 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 | $legendsCount = is_array($this->legends) ? count($this->legends) : 0;
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| 300 | $n = min($legendsCount,count($this->data));
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| 301 | if( $this->legends != "" ) {
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| 302 | $this->legends = array_reverse(array_slice($this->legends,0,$n));
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| 303 | }
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| 304 | for( $i=$n-1; $i >= 0; --$i ) {
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| 305 | $l = $this->legends[$i];
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| 306 | // Replace possible format with actual values
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| 307 | $count = is_array($this->csimalts) ? count($this->csimalts) : 0;
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| 308 | if( $count > $i ) {
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| 309 | $fmt = $this->csimalts[$i];
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| 310 | }
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| 311 | else {
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| 312 | $fmt = "%d"; // Deafult Alt if no other has been specified
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| 313 | }
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| 314 | if( $this->labeltype==0 ) {
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| 315 | $l = sprintf($l,100*$this->data[$i]/$sum);
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| 316 | $alt = sprintf($fmt,$this->data[$i]);
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| [2] | 317 |
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| [284] | 318 | }
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| 319 | elseif( $this->labeltype == 1) {
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| 320 | $l = sprintf($l,$this->data[$i]);
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| 321 | $alt = sprintf($fmt,$this->data[$i]);
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| 322 |
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| 323 | }
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| 324 | else {
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| 325 | $l = sprintf($l,$this->adjusted_data[$i]);
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| 326 | $alt = sprintf($fmt,$this->adjusted_data[$i]);
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| 327 | }
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| 328 |
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| 329 | if( empty($this->csimwintargets[$i]) ) {
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| 330 | $wintarg = '';
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| 331 | }
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| 332 | else {
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| 333 | $wintarg = $this->csimwintargets[$i];
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| 334 | }
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| 335 |
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| 336 | if( $this->setslicecolors==null ) {
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| [346] | 337 | $csimtarget = isset($this->csimtargets[$i]) ? $this->csimtargets[$i] : null;
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| 338 | $graph->legend->Add($l,$colors[$ta[$i%$numcolors]],"",0,$csimtarget,$alt,$wintarg);
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| [284] | 339 | }
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| 340 | else {
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| [346] | 341 | $csimtarget = isset($this->csimtargets[$i]) ? $this->csimtargets[$i] : null;
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| 342 | $graph->legend->Add($l,$this->setslicecolors[$i%$numcolors],"",0,$csimtarget,$alt,$wintarg);
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| [284] | 343 | }
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| 344 | }
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| [2] | 345 | }
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| [284] | 346 |
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| [2] | 347 | // Adjust the rounded percetage value so that the sum of
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| 348 | // of the pie slices are always 100%
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| 349 | // Using the Hare/Niemeyer method
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| 350 | function AdjPercentage($aData,$aPrec=0) {
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| [284] | 351 | $mul=100;
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| 352 | if( $aPrec > 0 && $aPrec < 3 ) {
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| 353 | if( $aPrec == 1 )
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| 354 | $mul=1000;
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| 355 | else
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| 356 | $mul=10000;
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| 357 | }
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| 358 |
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| 359 | $tmp = array();
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| 360 | $result = array();
|
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| 361 | $quote_sum=0;
|
|---|
| 362 | $n = count($aData) ;
|
|---|
| 363 | for( $i=0, $sum=0; $i < $n; ++$i )
|
|---|
| 364 | $sum+=$aData[$i];
|
|---|
| 365 | foreach($aData as $index => $value) {
|
|---|
| 366 | $tmp_percentage=$value/$sum*$mul;
|
|---|
| 367 | $result[$index]=floor($tmp_percentage);
|
|---|
| 368 | $tmp[$index]=$tmp_percentage-$result[$index];
|
|---|
| 369 | $quote_sum+=$result[$index];
|
|---|
| 370 | }
|
|---|
| 371 | if( $quote_sum == $mul) {
|
|---|
| 372 | if( $mul > 100 ) {
|
|---|
| 373 | $tmp = $mul / 100;
|
|---|
| 374 | for( $i=0; $i < $n; ++$i ) {
|
|---|
| 375 | $result[$i] /= $tmp ;
|
|---|
| 376 | }
|
|---|
| 377 | }
|
|---|
| 378 | return $result;
|
|---|
| 379 | }
|
|---|
| 380 | arsort($tmp,SORT_NUMERIC);
|
|---|
| 381 | reset($tmp);
|
|---|
| 382 | for($i=0; $i < $mul-$quote_sum; $i++)
|
|---|
| 383 | {
|
|---|
| 384 | $result[key($tmp)]++;
|
|---|
| 385 | next($tmp);
|
|---|
| 386 | }
|
|---|
| 387 | if( $mul > 100 ) {
|
|---|
| 388 | $tmp = $mul / 100;
|
|---|
| 389 | for( $i=0; $i < $n; ++$i ) {
|
|---|
| 390 | $result[$i] /= $tmp ;
|
|---|
| 391 | }
|
|---|
| 392 | }
|
|---|
| 393 | return $result;
|
|---|
| [2] | 394 | }
|
|---|
| 395 |
|
|---|
| 396 |
|
|---|
| 397 | function Stroke($img,$aaoption=0) {
|
|---|
| [284] | 398 | // aaoption is used to handle antialias
|
|---|
| 399 | // aaoption == 0 a normal pie
|
|---|
| 400 | // aaoption == 1 just the body
|
|---|
| 401 | // aaoption == 2 just the values
|
|---|
| [2] | 402 |
|
|---|
| [284] | 403 | // Explode scaling. If anti alias we scale the image
|
|---|
| 404 | // twice and we also need to scale the exploding distance
|
|---|
| 405 | $expscale = $aaoption === 1 ? 2 : 1;
|
|---|
| [2] | 406 |
|
|---|
| [284] | 407 | if( $this->labeltype == 2 ) {
|
|---|
| 408 | // Adjust the data so that it will add up to 100%
|
|---|
| 409 | $this->adjusted_data = $this->AdjPercentage($this->data);
|
|---|
| 410 | }
|
|---|
| [2] | 411 |
|
|---|
| [284] | 412 | if ($this->use_plot_theme_colors) {
|
|---|
| 413 | $this->setslicecolors = null;
|
|---|
| 414 | }
|
|---|
| [2] | 415 |
|
|---|
| [284] | 416 | $colors = array_keys($img->rgb->rgb_table);
|
|---|
| 417 | sort($colors);
|
|---|
| 418 | $ta=$this->themearr[$this->theme];
|
|---|
| 419 | $n = count($this->data);
|
|---|
| [2] | 420 |
|
|---|
| [284] | 421 | if( $this->setslicecolors==null ) {
|
|---|
| 422 | $numcolors=count($ta);
|
|---|
| 423 | }
|
|---|
| 424 | else {
|
|---|
| 425 | // We need to create an array of colors as long as the data
|
|---|
| 426 | // since we need to reverse it to get the colors in the right order
|
|---|
| 427 | $numcolors=count($this->setslicecolors);
|
|---|
| 428 | $i = 2*$numcolors;
|
|---|
| 429 | while( $n > $i ) {
|
|---|
| 430 | $this->setslicecolors = array_merge($this->setslicecolors,$this->setslicecolors);
|
|---|
| 431 | $i += $n;
|
|---|
| 432 | }
|
|---|
| 433 | $tt = array_slice($this->setslicecolors,0,$n % $numcolors);
|
|---|
| 434 | $this->setslicecolors = array_merge($this->setslicecolors,$tt);
|
|---|
| 435 | $this->setslicecolors = array_reverse($this->setslicecolors);
|
|---|
| 436 | }
|
|---|
| [2] | 437 |
|
|---|
| [284] | 438 | // Draw the slices
|
|---|
| 439 | $sum=0;
|
|---|
| 440 | for($i=0; $i < $n; ++$i)
|
|---|
| 441 | $sum += $this->data[$i];
|
|---|
| [2] | 442 |
|
|---|
| [284] | 443 | // Bail out with error if the sum is 0
|
|---|
| 444 | if( $sum==0 ) {
|
|---|
| 445 | JpGraphError::RaiseL(15009);//("Sum of all data is 0 for Pie.");
|
|---|
| 446 | }
|
|---|
| [2] | 447 |
|
|---|
| [284] | 448 | // Set up the pie-circle
|
|---|
| 449 | if( $this->radius <= 1 ) {
|
|---|
| 450 | $radius = floor($this->radius*min($img->width,$img->height));
|
|---|
| 451 | }
|
|---|
| 452 | else {
|
|---|
| 453 | $radius = $aaoption === 1 ? $this->radius*2 : $this->radius;
|
|---|
| 454 | }
|
|---|
| [2] | 455 |
|
|---|
| [284] | 456 | if( $this->posx <= 1 && $this->posx > 0 ) {
|
|---|
| 457 | $xc = round($this->posx*$img->width);
|
|---|
| 458 | }
|
|---|
| 459 | else {
|
|---|
| 460 | $xc = $this->posx ;
|
|---|
| 461 | }
|
|---|
| [2] | 462 |
|
|---|
| [284] | 463 | if( $this->posy <= 1 && $this->posy > 0 ) {
|
|---|
| 464 | $yc = round($this->posy*$img->height);
|
|---|
| 465 | }
|
|---|
| 466 | else {
|
|---|
| 467 | $yc = $this->posy ;
|
|---|
| 468 | }
|
|---|
| [2] | 469 |
|
|---|
| [284] | 470 | $n = count($this->data);
|
|---|
| [2] | 471 |
|
|---|
| [284] | 472 | if( $this->explode_all ) {
|
|---|
| 473 | for($i=0; $i < $n; ++$i) {
|
|---|
| 474 | $this->explode_radius[$i]=$this->explode_r;
|
|---|
| 475 | }
|
|---|
| 476 | }
|
|---|
| [2] | 477 |
|
|---|
| [284] | 478 | // If we have a shadow and not just drawing the labels
|
|---|
| 479 | if( $this->ishadowcolor != "" && $aaoption !== 2) {
|
|---|
| 480 | $accsum=0;
|
|---|
| 481 | $angle2 = $this->startangle;
|
|---|
| 482 | $img->SetColor($this->ishadowcolor);
|
|---|
| 483 | for($i=0; $sum > 0 && $i < $n; ++$i) {
|
|---|
| 484 | $j = $n-$i-1;
|
|---|
| 485 | $d = $this->data[$i];
|
|---|
| 486 | $angle1 = $angle2;
|
|---|
| 487 | $accsum += $d;
|
|---|
| 488 | $angle2 = $this->startangle+2*M_PI*$accsum/$sum;
|
|---|
| 489 | if( empty($this->explode_radius[$j]) ) {
|
|---|
| 490 | $this->explode_radius[$j]=0;
|
|---|
| 491 | }
|
|---|
| [2] | 492 |
|
|---|
| [284] | 493 | if( $d < 0.00001 ) continue;
|
|---|
| [2] | 494 |
|
|---|
| [284] | 495 | $la = 2*M_PI - (abs($angle2-$angle1)/2.0+$angle1);
|
|---|
| [2] | 496 |
|
|---|
| [284] | 497 | $xcm = $xc + $this->explode_radius[$j]*cos($la)*$expscale;
|
|---|
| 498 | $ycm = $yc - $this->explode_radius[$j]*sin($la)*$expscale;
|
|---|
| [2] | 499 |
|
|---|
| [284] | 500 | $xcm += $this->ishadowdrop*$expscale;
|
|---|
| 501 | $ycm += $this->ishadowdrop*$expscale;
|
|---|
| [2] | 502 |
|
|---|
| [284] | 503 | $_sa = round($angle1*180/M_PI);
|
|---|
| 504 | $_ea = round($angle2*180/M_PI);
|
|---|
| [2] | 505 |
|
|---|
| [284] | 506 | // The CakeSlice method draws a full circle in case of start angle = end angle
|
|---|
| 507 | // for pie slices we don't want this behaviour unless we only have one
|
|---|
| 508 | // slice in the pie in case it is the wanted behaviour
|
|---|
| 509 | if( $_ea-$_sa > 0.1 || $n==1 ) {
|
|---|
| 510 | $img->CakeSlice($xcm,$ycm,$radius-1,$radius-1,
|
|---|
| 511 | $angle1*180/M_PI,$angle2*180/M_PI,$this->ishadowcolor);
|
|---|
| 512 | }
|
|---|
| 513 | }
|
|---|
| 514 | }
|
|---|
| [2] | 515 |
|
|---|
| [284] | 516 | //--------------------------------------------------------------------------------
|
|---|
| 517 | // This is the main loop to draw each cake slice
|
|---|
| 518 | //--------------------------------------------------------------------------------
|
|---|
| [2] | 519 |
|
|---|
| [284] | 520 | // Set up the accumulated sum, start angle for first slice and border color
|
|---|
| 521 | $accsum=0;
|
|---|
| 522 | $angle2 = $this->startangle;
|
|---|
| 523 | $img->SetColor($this->color);
|
|---|
| [2] | 524 |
|
|---|
| [284] | 525 | // Loop though all the slices if there is a pie to draw (sum>0)
|
|---|
| 526 | // There are n slices in total
|
|---|
| 527 | for($i=0; $sum>0 && $i < $n; ++$i) {
|
|---|
| [2] | 528 |
|
|---|
| [284] | 529 | // $j is the actual index used for the slice
|
|---|
| 530 | $j = $n-$i-1;
|
|---|
| [2] | 531 |
|
|---|
| [284] | 532 | // Make sure we havea valid distance to explode the slice
|
|---|
| 533 | if( empty($this->explode_radius[$j]) ) {
|
|---|
| 534 | $this->explode_radius[$j]=0;
|
|---|
| 535 | }
|
|---|
| [2] | 536 |
|
|---|
| [284] | 537 | // The actual numeric value for the slice
|
|---|
| 538 | $d = $this->data[$i];
|
|---|
| [2] | 539 |
|
|---|
| [284] | 540 | $angle1 = $angle2;
|
|---|
| [2] | 541 |
|
|---|
| [284] | 542 | // Accumlate the sum
|
|---|
| 543 | $accsum += $d;
|
|---|
| [2] | 544 |
|
|---|
| [284] | 545 | // The new angle when we add the "size" of this slice
|
|---|
| 546 | // angle1 is then the start and angle2 the end of this slice
|
|---|
| 547 | $angle2 = $this->NormAngle($this->startangle+2*M_PI*$accsum/$sum);
|
|---|
| [2] | 548 |
|
|---|
| [284] | 549 | // We avoid some trouble by not allowing end angle to be 0, in that case
|
|---|
| 550 | // we translate to 360
|
|---|
| [2] | 551 |
|
|---|
| [284] | 552 | // la is used to hold the label angle, which is centered on the slice
|
|---|
| 553 | if( $angle2 < 0.0001 && $angle1 > 0.0001 ) {
|
|---|
| 554 | $this->la[$i] = 2*M_PI - (abs(2*M_PI-$angle1)/2.0+$angle1);
|
|---|
| 555 | }
|
|---|
| 556 | elseif( $angle1 > $angle2 ) {
|
|---|
| 557 | // The case where the slice crosses the 3 a'clock line
|
|---|
| 558 | // Remember that the slices are counted clockwise and
|
|---|
| 559 | // labels are counted counter clockwise so we need to revert with 2 PI
|
|---|
| 560 | $this->la[$i] = 2*M_PI-$this->NormAngle($angle1 + ((2*M_PI - $angle1)+$angle2)/2);
|
|---|
| 561 | }
|
|---|
| 562 | else {
|
|---|
| 563 | $this->la[$i] = 2*M_PI - (abs($angle2-$angle1)/2.0+$angle1);
|
|---|
| 564 | }
|
|---|
| [2] | 565 |
|
|---|
| [284] | 566 | // Too avoid rounding problems we skip the slice if it is too small
|
|---|
| 567 | if( $d < 0.00001 ) continue;
|
|---|
| [2] | 568 |
|
|---|
| [284] | 569 | // If the user has specified an array of colors for each slice then use
|
|---|
| 570 | // that a color otherwise use the theme array (ta) of colors
|
|---|
| 571 | if( $this->setslicecolors==null ) {
|
|---|
| 572 | $slicecolor=$colors[$ta[$i%$numcolors]];
|
|---|
| 573 | }
|
|---|
| 574 | else {
|
|---|
| 575 | $slicecolor=$this->setslicecolors[$i%$numcolors];
|
|---|
| 576 | }
|
|---|
| [2] | 577 |
|
|---|
| [284] | 578 | // $_sa = round($angle1*180/M_PI);
|
|---|
| 579 | // $_ea = round($angle2*180/M_PI);
|
|---|
| 580 | // $_la = round($this->la[$i]*180/M_PI);
|
|---|
| 581 | // echo "Slice#$i: ang1=$_sa , ang2=$_ea, la=$_la, color=$slicecolor<br>";
|
|---|
| [2] | 582 |
|
|---|
| 583 |
|
|---|
| [284] | 584 | // If we have enabled antialias then we don't draw any border so
|
|---|
| 585 | // make the bordedr color the same as the slice color
|
|---|
| 586 | if( $this->pie_interior_border && $aaoption===0 ) {
|
|---|
| 587 | $img->SetColor($this->color);
|
|---|
| 588 | }
|
|---|
| 589 | else {
|
|---|
| 590 | $img->SetColor($slicecolor);
|
|---|
| 591 | }
|
|---|
| 592 | $arccolor = $this->pie_border && $aaoption===0 ? $this->color : "";
|
|---|
| [2] | 593 |
|
|---|
| [284] | 594 | // Calculate the x,y coordinates for the base of this slice taking
|
|---|
| 595 | // the exploded distance into account. Here we use the mid angle as the
|
|---|
| 596 | // ray of extension and we have the mid angle handy as it is also the
|
|---|
| 597 | // label angle
|
|---|
| 598 | $xcm = $xc + $this->explode_radius[$j]*cos($this->la[$i])*$expscale;
|
|---|
| 599 | $ycm = $yc - $this->explode_radius[$j]*sin($this->la[$i])*$expscale;
|
|---|
| [2] | 600 |
|
|---|
| [284] | 601 | // If we are not just drawing the labels then draw this cake slice
|
|---|
| 602 | if( $aaoption !== 2 ) {
|
|---|
| [2] | 603 |
|
|---|
| [284] | 604 | $_sa = round($angle1*180/M_PI);
|
|---|
| 605 | $_ea = round($angle2*180/M_PI);
|
|---|
| 606 | $_la = round($this->la[$i]*180/M_PI);
|
|---|
| 607 | //echo "[$i] sa=$_sa, ea=$_ea, la[$i]=$_la, (color=$slicecolor)<br>";
|
|---|
| 608 |
|
|---|
| 609 | // The CakeSlice method draws a full circle in case of start angle = end angle
|
|---|
| 610 | // for pie slices we want this in case the slice have a value larger than 99% of the
|
|---|
| 611 | // total sum
|
|---|
| 612 | if( abs($_ea-$_sa) >= 1 || $d == $sum ) {
|
|---|
| 613 | $img->CakeSlice($xcm,$ycm,$radius-1,$radius-1,$_sa,$_ea,$slicecolor,$arccolor);
|
|---|
| 614 | }
|
|---|
| 615 | }
|
|---|
| 616 |
|
|---|
| 617 | // If the CSIM is used then make sure we register a CSIM area for this slice as well
|
|---|
| 618 | if( $this->csimtargets && $aaoption !== 1 ) {
|
|---|
| 619 | $this->AddSliceToCSIM($i,$xcm,$ycm,$radius,$angle1,$angle2);
|
|---|
| 620 | }
|
|---|
| 621 | }
|
|---|
| 622 |
|
|---|
| 623 | // Format the titles for each slice
|
|---|
| 624 | if( $aaoption !== 2 ) {
|
|---|
| 625 | for( $i=0; $i < $n; ++$i) {
|
|---|
| 626 | if( $this->labeltype==0 ) {
|
|---|
| 627 | if( $sum != 0 )
|
|---|
| 628 | $l = 100.0*$this->data[$i]/$sum;
|
|---|
| 629 | else
|
|---|
| 630 | $l = 0.0;
|
|---|
| 631 | }
|
|---|
| 632 | elseif( $this->labeltype==1 ) {
|
|---|
| 633 | $l = $this->data[$i]*1.0;
|
|---|
| 634 | }
|
|---|
| 635 | else {
|
|---|
| 636 | $l = $this->adjusted_data[$i];
|
|---|
| 637 | }
|
|---|
| 638 | if( isset($this->labels[$i]) && is_string($this->labels[$i]) )
|
|---|
| 639 | $this->labels[$i]=sprintf($this->labels[$i],$l);
|
|---|
| 640 | else
|
|---|
| 641 | $this->labels[$i]=$l;
|
|---|
| 642 | }
|
|---|
| 643 | }
|
|---|
| 644 |
|
|---|
| 645 | if( $this->value->show && $aaoption !== 1 ) {
|
|---|
| 646 | $this->StrokeAllLabels($img,$xc,$yc,$radius);
|
|---|
| 647 | }
|
|---|
| 648 |
|
|---|
| 649 | // Adjust title position
|
|---|
| 650 | if( $aaoption !== 1 ) {
|
|---|
| 651 | $this->title->SetPos($xc,
|
|---|
| 652 | $yc-$this->title->GetFontHeight($img)-$radius-$this->title->margin,
|
|---|
| 653 | "center","bottom");
|
|---|
| 654 | $this->title->Stroke($img);
|
|---|
| 655 | }
|
|---|
| 656 |
|
|---|
| [2] | 657 | }
|
|---|
| 658 |
|
|---|
| [284] | 659 | //---------------
|
|---|
| 660 | // PRIVATE METHODS
|
|---|
| [2] | 661 |
|
|---|
| 662 | function NormAngle($a) {
|
|---|
| [284] | 663 | while( $a < 0 ) $a += 2*M_PI;
|
|---|
| 664 | while( $a > 2*M_PI ) $a -= 2*M_PI;
|
|---|
| 665 | return $a;
|
|---|
| [2] | 666 | }
|
|---|
| 667 |
|
|---|
| 668 | function Quadrant($a) {
|
|---|
| [284] | 669 | $a=$this->NormAngle($a);
|
|---|
| 670 | if( $a > 0 && $a <= M_PI/2 )
|
|---|
| 671 | return 0;
|
|---|
| 672 | if( $a > M_PI/2 && $a <= M_PI )
|
|---|
| 673 | return 1;
|
|---|
| 674 | if( $a > M_PI && $a <= 1.5*M_PI )
|
|---|
| 675 | return 2;
|
|---|
| 676 | if( $a > 1.5*M_PI )
|
|---|
| 677 | return 3;
|
|---|
| [2] | 678 | }
|
|---|
| 679 |
|
|---|
| 680 | function StrokeGuideLabels($img,$xc,$yc,$radius) {
|
|---|
| [284] | 681 | $n = count($this->labels);
|
|---|
| [2] | 682 |
|
|---|
| [284] | 683 | //-----------------------------------------------------------------------
|
|---|
| 684 | // Step 1 of the algorithm is to construct a number of clusters
|
|---|
| 685 | // a cluster is defined as all slices within the same quadrant (almost)
|
|---|
| 686 | // that has an angular distance less than the treshold
|
|---|
| 687 | //-----------------------------------------------------------------------
|
|---|
| 688 | $tresh_hold=25 * M_PI/180; // 25 degrees difference to be in a cluster
|
|---|
| 689 | $incluster=false; // flag if we are currently in a cluster or not
|
|---|
| 690 | $clusters = array(); // array of clusters
|
|---|
| 691 | $cidx=-1; // running cluster index
|
|---|
| [2] | 692 |
|
|---|
| [284] | 693 | // Go through all the labels and construct a number of clusters
|
|---|
| 694 | for($i=0; $i < $n-1; ++$i) {
|
|---|
| 695 | // Calc the angle distance between two consecutive slices
|
|---|
| 696 | $a1=$this->la[$i];
|
|---|
| 697 | $a2=$this->la[$i+1];
|
|---|
| 698 | $q1 = $this->Quadrant($a1);
|
|---|
| 699 | $q2 = $this->Quadrant($a2);
|
|---|
| 700 | $diff = abs($a1-$a2);
|
|---|
| 701 | if( $diff < $tresh_hold ) {
|
|---|
| 702 | if( $incluster ) {
|
|---|
| 703 | $clusters[$cidx][1]++;
|
|---|
| 704 | // Each cluster can only cover one quadrant
|
|---|
| 705 | // Do we cross a quadrant ( and must break the cluster)
|
|---|
| 706 | if( $q1 != $q2 ) {
|
|---|
| 707 | // If we cross a quadrant boundary we normally start a
|
|---|
| 708 | // new cluster. However we need to take the 12'a clock
|
|---|
| 709 | // and 6'a clock positions into a special consideration.
|
|---|
| 710 | // Case 1: WE go from q=1 to q=2 if the last slice on
|
|---|
| 711 | // the cluster for q=1 is close to 12'a clock and the
|
|---|
| 712 | // first slice in q=0 is small we extend the previous
|
|---|
| 713 | // cluster
|
|---|
| 714 | if( $q1 == 1 && $q2 == 0 && $a2 > (90-15)*M_PI/180 ) {
|
|---|
| 715 | if( $i < $n-2 ) {
|
|---|
| 716 | $a3 = $this->la[$i+2];
|
|---|
| 717 | // If there isn't a cluster coming up with the next-next slice
|
|---|
| 718 | // we extend the previous cluster to cover this slice as well
|
|---|
| 719 | if( abs($a3-$a2) >= $tresh_hold ) {
|
|---|
| 720 | $clusters[$cidx][1]++;
|
|---|
| 721 | $i++;
|
|---|
| 722 | }
|
|---|
| 723 | }
|
|---|
| 724 | }
|
|---|
| 725 | elseif( $q1 == 3 && $q2 == 2 && $a2 > (270-15)*M_PI/180 ) {
|
|---|
| 726 | if( $i < $n-2 ) {
|
|---|
| 727 | $a3 = $this->la[$i+2];
|
|---|
| 728 | // If there isn't a cluster coming up with the next-next slice
|
|---|
| 729 | // we extend the previous cluster to cover this slice as well
|
|---|
| 730 | if( abs($a3-$a2) >= $tresh_hold ) {
|
|---|
| 731 | $clusters[$cidx][1]++;
|
|---|
| 732 | $i++;
|
|---|
| 733 | }
|
|---|
| 734 | }
|
|---|
| 735 | }
|
|---|
| [2] | 736 |
|
|---|
| [284] | 737 | if( $q1==2 && $q2==1 && $a2 > (180-15)*M_PI/180 ) {
|
|---|
| 738 | $clusters[$cidx][1]++;
|
|---|
| 739 | $i++;
|
|---|
| 740 | }
|
|---|
| [2] | 741 |
|
|---|
| [284] | 742 | $incluster = false;
|
|---|
| 743 | }
|
|---|
| 744 | }
|
|---|
| 745 | elseif( $q1 == $q2) {
|
|---|
| 746 | $incluster = true;
|
|---|
| 747 | // Now we have a special case for quadrant 0. If we previously
|
|---|
| 748 | // have a cluster of one in quadrant 0 we just extend that
|
|---|
| 749 | // cluster. If we don't do this then we risk that the label
|
|---|
| 750 | // for the cluster of one will cross the guide-line
|
|---|
| 751 | if( $q1 == 0 && $cidx > -1 &&
|
|---|
| 752 | $clusters[$cidx][1] == 1 &&
|
|---|
| 753 | $this->Quadrant($this->la[$clusters[$cidx][0]]) == 0 ) {
|
|---|
| 754 | $clusters[$cidx][1]++;
|
|---|
| 755 | }
|
|---|
| 756 | else {
|
|---|
| 757 | $cidx++;
|
|---|
| 758 | $clusters[$cidx][0] = $i;
|
|---|
| 759 | $clusters[$cidx][1] = 1;
|
|---|
| 760 | }
|
|---|
| 761 | }
|
|---|
| 762 | else {
|
|---|
| 763 | // Create a "cluster" of one since we are just crossing
|
|---|
| 764 | // a quadrant
|
|---|
| 765 | $cidx++;
|
|---|
| 766 | $clusters[$cidx][0] = $i;
|
|---|
| 767 | $clusters[$cidx][1] = 1;
|
|---|
| 768 | }
|
|---|
| 769 | }
|
|---|
| 770 | else {
|
|---|
| 771 | if( $incluster ) {
|
|---|
| 772 | // Add the last slice
|
|---|
| 773 | $clusters[$cidx][1]++;
|
|---|
| 774 | $incluster = false;
|
|---|
| 775 | }
|
|---|
| 776 | else { // Create a "cluster" of one
|
|---|
| 777 | $cidx++;
|
|---|
| 778 | $clusters[$cidx][0] = $i;
|
|---|
| 779 | $clusters[$cidx][1] = 1;
|
|---|
| 780 | }
|
|---|
| 781 | }
|
|---|
| 782 | }
|
|---|
| 783 | // Handle the very last slice
|
|---|
| 784 | if( $incluster ) {
|
|---|
| 785 | $clusters[$cidx][1]++;
|
|---|
| 786 | }
|
|---|
| 787 | else { // Create a "cluster" of one
|
|---|
| 788 | $cidx++;
|
|---|
| 789 | $clusters[$cidx][0] = $i;
|
|---|
| 790 | $clusters[$cidx][1] = 1;
|
|---|
| 791 | }
|
|---|
| [2] | 792 |
|
|---|
| [284] | 793 | /*
|
|---|
| 794 | if( true ) {
|
|---|
| 795 | // Debug printout in labels
|
|---|
| 796 | for( $i=0; $i <= $cidx; ++$i ) {
|
|---|
| 797 | for( $j=0; $j < $clusters[$i][1]; ++$j ) {
|
|---|
| 798 | $a = $this->la[$clusters[$i][0]+$j];
|
|---|
| 799 | $aa = round($a*180/M_PI);
|
|---|
| 800 | $q = $this->Quadrant($a);
|
|---|
| 801 | $this->labels[$clusters[$i][0]+$j]="[$q:$aa] $i:$j";
|
|---|
| 802 | }
|
|---|
| 803 | }
|
|---|
| 804 | }
|
|---|
| 805 | */
|
|---|
| [2] | 806 |
|
|---|
| [284] | 807 | //-----------------------------------------------------------------------
|
|---|
| 808 | // Step 2 of the algorithm is use the clusters and draw the labels
|
|---|
| 809 | // and guidelines
|
|---|
| 810 | //-----------------------------------------------------------------------
|
|---|
| [2] | 811 |
|
|---|
| [284] | 812 | // We use the font height as the base factor for how far we need to
|
|---|
| 813 | // spread the labels in the Y-direction.
|
|---|
| 814 | $this->value->ApplyFont($img);
|
|---|
| 815 | $fh = $img->GetFontHeight();
|
|---|
| 816 | $origvstep=$fh*$this->iGuideVFactor;
|
|---|
| 817 | $this->value->SetMargin(0);
|
|---|
| [2] | 818 |
|
|---|
| [284] | 819 | // Number of clusters found
|
|---|
| 820 | $nc = count($clusters);
|
|---|
| [2] | 821 |
|
|---|
| [284] | 822 | // Walk through all the clusters
|
|---|
| 823 | for($i=0; $i < $nc; ++$i) {
|
|---|
| [2] | 824 |
|
|---|
| [284] | 825 | // Start angle and number of slices in this cluster
|
|---|
| 826 | $csize = $clusters[$i][1];
|
|---|
| 827 | $a = $this->la[$clusters[$i][0]];
|
|---|
| 828 | $q = $this->Quadrant($a);
|
|---|
| [2] | 829 |
|
|---|
| [284] | 830 | // Now set up the start and end conditions to make sure that
|
|---|
| 831 | // in each cluster we walk through the all the slices starting with the slice
|
|---|
| 832 | // closest to the equator. Since all slices are numbered clockwise from "3'a clock"
|
|---|
| 833 | // we have different conditions depending on in which quadrant the slice lies within.
|
|---|
| 834 | if( $q == 0 ) {
|
|---|
| 835 | $start = $csize-1; $idx = $start; $step = -1; $vstep = -$origvstep;
|
|---|
| 836 | }
|
|---|
| 837 | elseif( $q == 1 ) {
|
|---|
| 838 | $start = 0; $idx = $start; $step = 1; $vstep = -$origvstep;
|
|---|
| 839 | }
|
|---|
| 840 | elseif( $q == 2 ) {
|
|---|
| 841 | $start = $csize-1; $idx = $start; $step = -1; $vstep = $origvstep;
|
|---|
| 842 | }
|
|---|
| 843 | elseif( $q == 3 ) {
|
|---|
| 844 | $start = 0; $idx = $start; $step = 1; $vstep = $origvstep;
|
|---|
| 845 | }
|
|---|
| [2] | 846 |
|
|---|
| [284] | 847 | // Walk through all slices within this cluster
|
|---|
| 848 | for($j=0; $j < $csize; ++$j) {
|
|---|
| 849 | // Now adjust the position of the labels in each cluster starting
|
|---|
| 850 | // with the slice that is closest to the equator of the pie
|
|---|
| 851 | $a = $this->la[$clusters[$i][0]+$idx];
|
|---|
| [2] | 852 |
|
|---|
| [284] | 853 | // Guide line start in the center of the arc of the slice
|
|---|
| 854 | $r = $radius+$this->explode_radius[$n-1-($clusters[$i][0]+$idx)];
|
|---|
| 855 | $x = round($r*cos($a)+$xc);
|
|---|
| 856 | $y = round($yc-$r*sin($a));
|
|---|
| [2] | 857 |
|
|---|
| [284] | 858 | // The distance from the arc depends on chosen font and the "R-Factor"
|
|---|
| 859 | $r += $fh*$this->iGuideLineRFactor;
|
|---|
| [2] | 860 |
|
|---|
| [284] | 861 | // Should the labels be placed curved along the pie or in straight columns
|
|---|
| 862 | // outside the pie?
|
|---|
| 863 | if( $this->iGuideLineCurve )
|
|---|
| 864 | $xt=round($r*cos($a)+$xc);
|
|---|
| [2] | 865 |
|
|---|
| [284] | 866 | // If this is the first slice in the cluster we need some first time
|
|---|
| 867 | // proessing
|
|---|
| 868 | if( $idx == $start ) {
|
|---|
| 869 | if( ! $this->iGuideLineCurve )
|
|---|
| 870 | $xt=round($r*cos($a)+$xc);
|
|---|
| 871 | $yt=round($yc-$r*sin($a));
|
|---|
| [2] | 872 |
|
|---|
| [284] | 873 | // Some special consideration in case this cluster starts
|
|---|
| 874 | // in quadrant 1 or 3 very close to the "equator" (< 20 degrees)
|
|---|
| 875 | // and the previous clusters last slice is within the tolerance.
|
|---|
| 876 | // In that case we add a font height to this labels Y-position
|
|---|
| 877 | // so it doesn't collide with
|
|---|
| 878 | // the slice in the previous cluster
|
|---|
| 879 | $prevcluster = ($i + ($nc-1) ) % $nc;
|
|---|
| 880 | $previdx=$clusters[$prevcluster][0]+$clusters[$prevcluster][1]-1;
|
|---|
| 881 | if( $q == 1 && $a > 160*M_PI/180 ) {
|
|---|
| 882 | // Get the angle for the previous clusters last slice
|
|---|
| 883 | $diff = abs($a-$this->la[$previdx]);
|
|---|
| 884 | if( $diff < $tresh_hold ) {
|
|---|
| 885 | $yt -= $fh;
|
|---|
| 886 | }
|
|---|
| 887 | }
|
|---|
| 888 | elseif( $q == 3 && $a > 340*M_PI/180 ) {
|
|---|
| 889 | // We need to subtract 360 to compare angle distance between
|
|---|
| 890 | // q=0 and q=3
|
|---|
| 891 | $diff = abs($a-$this->la[$previdx]-360*M_PI/180);
|
|---|
| 892 | if( $diff < $tresh_hold ) {
|
|---|
| 893 | $yt += $fh;
|
|---|
| 894 | }
|
|---|
| 895 | }
|
|---|
| [2] | 896 |
|
|---|
| [284] | 897 | }
|
|---|
| 898 | else {
|
|---|
| 899 | // The step is at minimum $vstep but if the slices are relatively large
|
|---|
| 900 | // we make sure that we add at least a step that corresponds to the vertical
|
|---|
| 901 | // distance between the centers at the arc on the slice
|
|---|
| 902 | $prev_a = $this->la[$clusters[$i][0]+($idx-$step)];
|
|---|
| 903 | $dy = abs($radius*(sin($a)-sin($prev_a))*1.2);
|
|---|
| 904 | if( $vstep > 0 )
|
|---|
| 905 | $yt += max($vstep,$dy);
|
|---|
| 906 | else
|
|---|
| 907 | $yt += min($vstep,-$dy);
|
|---|
| 908 | }
|
|---|
| 909 |
|
|---|
| 910 | $label = $this->labels[$clusters[$i][0]+$idx];
|
|---|
| 911 |
|
|---|
| 912 | if( $csize == 1 ) {
|
|---|
| 913 | // A "meta" cluster with only one slice
|
|---|
| 914 | $r = $radius+$this->explode_radius[$n-1-($clusters[$i][0]+$idx)];
|
|---|
| 915 | $rr = $r+$img->GetFontHeight()/2;
|
|---|
| 916 | $xt=round($rr*cos($a)+$xc);
|
|---|
| 917 | $yt=round($yc-$rr*sin($a));
|
|---|
| 918 | $this->StrokeLabel($label,$img,$xc,$yc,$a,$r);
|
|---|
| 919 | if( $this->iShowGuideLineForSingle )
|
|---|
| 920 | $this->guideline->Stroke($img,$x,$y,$xt,$yt);
|
|---|
| 921 | }
|
|---|
| 922 | else {
|
|---|
| 923 | $this->guideline->Stroke($img,$x,$y,$xt,$yt);
|
|---|
| 924 | if( $q==1 || $q==2 ) {
|
|---|
| 925 | // Left side of Pie
|
|---|
| 926 | $this->guideline->Stroke($img,$xt,$yt,$xt-$this->guidelinemargin,$yt);
|
|---|
| 927 | $lbladj = -$this->guidelinemargin-5;
|
|---|
| 928 | $this->value->halign = "right";
|
|---|
| 929 | $this->value->valign = "center";
|
|---|
| 930 | }
|
|---|
| 931 | else {
|
|---|
| 932 | // Right side of pie
|
|---|
| 933 | $this->guideline->Stroke($img,$xt,$yt,$xt+$this->guidelinemargin,$yt);
|
|---|
| 934 | $lbladj = $this->guidelinemargin+5;
|
|---|
| 935 | $this->value->halign = "left";
|
|---|
| 936 | $this->value->valign = "center";
|
|---|
| 937 | }
|
|---|
| 938 | $this->value->Stroke($img,$label,$xt+$lbladj,$yt);
|
|---|
| 939 | }
|
|---|
| 940 |
|
|---|
| 941 | // Udate idx to point to next slice in the cluster to process
|
|---|
| 942 | $idx += $step;
|
|---|
| 943 | }
|
|---|
| 944 | }
|
|---|
| [2] | 945 | }
|
|---|
| 946 |
|
|---|
| 947 | function StrokeAllLabels($img,$xc,$yc,$radius) {
|
|---|
| [284] | 948 | // First normalize all angles for labels
|
|---|
| 949 | $n = count($this->la);
|
|---|
| 950 | for($i=0; $i < $n; ++$i) {
|
|---|
| 951 | $this->la[$i] = $this->NormAngle($this->la[$i]);
|
|---|
| 952 | }
|
|---|
| 953 | if( $this->guideline->iShow ) {
|
|---|
| 954 | $this->StrokeGuideLabels($img,$xc,$yc,$radius);
|
|---|
| 955 | }
|
|---|
| 956 | else {
|
|---|
| 957 | $n = count($this->labels);
|
|---|
| 958 | for($i=0; $i < $n; ++$i) {
|
|---|
| 959 | $this->StrokeLabel($this->labels[$i],$img,$xc,$yc,
|
|---|
| 960 | $this->la[$i],
|
|---|
| 961 | $radius + $this->explode_radius[$n-1-$i]);
|
|---|
| 962 | }
|
|---|
| 963 | }
|
|---|
| [2] | 964 | }
|
|---|
| 965 |
|
|---|
| 966 | // Position the labels of each slice
|
|---|
| 967 | function StrokeLabel($label,$img,$xc,$yc,$a,$r) {
|
|---|
| 968 |
|
|---|
| [284] | 969 | // Default value
|
|---|
| 970 | if( $this->ilabelposadj === 'auto' )
|
|---|
| 971 | $this->ilabelposadj = 0.65;
|
|---|
| [2] | 972 |
|
|---|
| [284] | 973 | // We position the values diferently depending on if they are inside
|
|---|
| 974 | // or outside the pie
|
|---|
| 975 | if( $this->ilabelposadj < 1.0 ) {
|
|---|
| [2] | 976 |
|
|---|
| [284] | 977 | $this->value->SetAlign('center','center');
|
|---|
| 978 | $this->value->margin = 0;
|
|---|
| [2] | 979 |
|
|---|
| [284] | 980 | $xt=round($this->ilabelposadj*$r*cos($a)+$xc);
|
|---|
| 981 | $yt=round($yc-$this->ilabelposadj*$r*sin($a));
|
|---|
| [2] | 982 |
|
|---|
| [284] | 983 | $this->value->Stroke($img,$label,$xt,$yt);
|
|---|
| 984 | }
|
|---|
| 985 | else {
|
|---|
| [2] | 986 |
|
|---|
| [284] | 987 | $this->value->halign = "left";
|
|---|
| 988 | $this->value->valign = "top";
|
|---|
| 989 | $this->value->margin = 0;
|
|---|
| [2] | 990 |
|
|---|
| [284] | 991 | // Position the axis title.
|
|---|
| 992 | // dx, dy is the offset from the top left corner of the bounding box that sorrounds the text
|
|---|
| 993 | // that intersects with the extension of the corresponding axis. The code looks a little
|
|---|
| 994 | // bit messy but this is really the only way of having a reasonable position of the
|
|---|
| 995 | // axis titles.
|
|---|
| 996 | $this->value->ApplyFont($img);
|
|---|
| 997 | $h=$img->GetTextHeight($label);
|
|---|
| 998 | // For numeric values the format of the display value
|
|---|
| 999 | // must be taken into account
|
|---|
| 1000 | if( is_numeric($label) ) {
|
|---|
| 1001 | if( $label > 0 )
|
|---|
| 1002 | $w=$img->GetTextWidth(sprintf($this->value->format,$label));
|
|---|
| 1003 | else
|
|---|
| 1004 | $w=$img->GetTextWidth(sprintf($this->value->negformat,$label));
|
|---|
| 1005 | }
|
|---|
| 1006 | else
|
|---|
| 1007 | $w=$img->GetTextWidth($label);
|
|---|
| [2] | 1008 |
|
|---|
| [284] | 1009 | if( $this->ilabelposadj > 1.0 && $this->ilabelposadj < 5.0) {
|
|---|
| 1010 | $r *= $this->ilabelposadj;
|
|---|
| 1011 | }
|
|---|
| 1012 |
|
|---|
| 1013 | $r += $img->GetFontHeight()/1.5;
|
|---|
| 1014 |
|
|---|
| 1015 | $xt=round($r*cos($a)+$xc);
|
|---|
| 1016 | $yt=round($yc-$r*sin($a));
|
|---|
| 1017 |
|
|---|
| 1018 | // Normalize angle
|
|---|
| 1019 | while( $a < 0 ) $a += 2*M_PI;
|
|---|
| 1020 | while( $a > 2*M_PI ) $a -= 2*M_PI;
|
|---|
| 1021 |
|
|---|
| 1022 | if( $a>=7*M_PI/4 || $a <= M_PI/4 ) $dx=0;
|
|---|
| 1023 | if( $a>=M_PI/4 && $a <= 3*M_PI/4 ) $dx=($a-M_PI/4)*2/M_PI;
|
|---|
| 1024 | if( $a>=3*M_PI/4 && $a <= 5*M_PI/4 ) $dx=1;
|
|---|
| 1025 | if( $a>=5*M_PI/4 && $a <= 7*M_PI/4 ) $dx=(1-($a-M_PI*5/4)*2/M_PI);
|
|---|
| 1026 |
|
|---|
| 1027 | if( $a>=7*M_PI/4 ) $dy=(($a-M_PI)-3*M_PI/4)*2/M_PI;
|
|---|
| 1028 | if( $a<=M_PI/4 ) $dy=(1-$a*2/M_PI);
|
|---|
| 1029 | if( $a>=M_PI/4 && $a <= 3*M_PI/4 ) $dy=1;
|
|---|
| 1030 | if( $a>=3*M_PI/4 && $a <= 5*M_PI/4 ) $dy=(1-($a-3*M_PI/4)*2/M_PI);
|
|---|
| 1031 | if( $a>=5*M_PI/4 && $a <= 7*M_PI/4 ) $dy=0;
|
|---|
| 1032 |
|
|---|
| 1033 | $this->value->Stroke($img,$label,$xt-$dx*$w,$yt-$dy*$h);
|
|---|
| 1034 | }
|
|---|
| 1035 | }
|
|---|
| 1036 |
|
|---|
| 1037 | function UsePlotThemeColors($flag = true) {
|
|---|
| 1038 | $this->use_plot_theme_colors = $flag;
|
|---|
| 1039 | }
|
|---|
| [2] | 1040 | } // Class
|
|---|
| 1041 |
|
|---|
| 1042 |
|
|---|
| 1043 | //===================================================
|
|---|
| 1044 | // CLASS PiePlotC
|
|---|
| [284] | 1045 | // Description: Same as a normal pie plot but with a
|
|---|
| [2] | 1046 | // filled circle in the center
|
|---|
| 1047 | //===================================================
|
|---|
| 1048 | class PiePlotC extends PiePlot {
|
|---|
| [284] | 1049 | private $imidsize=0.5; // Fraction of total width
|
|---|
| [2] | 1050 | private $imidcolor='white';
|
|---|
| 1051 | public $midtitle='';
|
|---|
| 1052 | private $middlecsimtarget='',$middlecsimwintarget='',$middlecsimalt='';
|
|---|
| 1053 |
|
|---|
| [284] | 1054 | function __construct($data,$aCenterTitle='') {
|
|---|
| 1055 | parent::__construct($data);
|
|---|
| 1056 | $this->midtitle = new Text();
|
|---|
| 1057 | $this->midtitle->ParagraphAlign('center');
|
|---|
| [2] | 1058 | }
|
|---|
| 1059 |
|
|---|
| 1060 | function SetMid($aTitle,$aColor='white',$aSize=0.5) {
|
|---|
| [284] | 1061 | $this->midtitle->Set($aTitle);
|
|---|
| [2] | 1062 |
|
|---|
| [284] | 1063 | $this->imidsize = $aSize ;
|
|---|
| 1064 | $this->imidcolor = $aColor ;
|
|---|
| [2] | 1065 | }
|
|---|
| 1066 |
|
|---|
| 1067 | function SetMidTitle($aTitle) {
|
|---|
| [284] | 1068 | $this->midtitle->Set($aTitle);
|
|---|
| [2] | 1069 | }
|
|---|
| 1070 |
|
|---|
| 1071 | function SetMidSize($aSize) {
|
|---|
| [284] | 1072 | $this->imidsize = $aSize ;
|
|---|
| [2] | 1073 | }
|
|---|
| 1074 |
|
|---|
| 1075 | function SetMidColor($aColor) {
|
|---|
| [284] | 1076 | $this->imidcolor = $aColor ;
|
|---|
| [2] | 1077 | }
|
|---|
| 1078 |
|
|---|
| 1079 | function SetMidCSIM($aTarget,$aAlt='',$aWinTarget='') {
|
|---|
| [284] | 1080 | $this->middlecsimtarget = $aTarget;
|
|---|
| 1081 | $this->middlecsimwintarget = $aWinTarget;
|
|---|
| 1082 | $this->middlecsimalt = $aAlt;
|
|---|
| [2] | 1083 | }
|
|---|
| 1084 |
|
|---|
| [284] | 1085 | function AddSliceToCSIM($i,$xc,$yc,$radius,$sa,$ea) {
|
|---|
| [2] | 1086 | //Slice number, ellipse centre (x,y), radius, start angle, end angle
|
|---|
| [284] | 1087 | while( $sa > 2*M_PI ) $sa = $sa - 2*M_PI;
|
|---|
| 1088 | while( $ea > 2*M_PI ) $ea = $ea - 2*M_PI;
|
|---|
| [2] | 1089 |
|
|---|
| [284] | 1090 | $sa = 2*M_PI - $sa;
|
|---|
| 1091 | $ea = 2*M_PI - $ea;
|
|---|
| [2] | 1092 |
|
|---|
| [284] | 1093 | // Special case when we have only one slice since then both start and end
|
|---|
| 1094 | // angle will be == 0
|
|---|
| 1095 | if( abs($sa - $ea) < 0.0001 ) {
|
|---|
| 1096 | $sa=2*M_PI; $ea=0;
|
|---|
| 1097 | }
|
|---|
| [2] | 1098 |
|
|---|
| [284] | 1099 | // Add inner circle first point
|
|---|
| 1100 | $xp = floor(($this->imidsize*$radius*cos($ea))+$xc);
|
|---|
| 1101 | $yp = floor($yc-($this->imidsize*$radius*sin($ea)));
|
|---|
| 1102 | $coords = "$xp, $yp";
|
|---|
| [2] | 1103 |
|
|---|
| [284] | 1104 | //add coordinates every 0.25 radians
|
|---|
| 1105 | $a=$ea+0.25;
|
|---|
| [2] | 1106 |
|
|---|
| [284] | 1107 | // If we cross the 360-limit with a slice we need to handle
|
|---|
| 1108 | // the fact that end angle is smaller than start
|
|---|
| 1109 | if( $sa < $ea ) {
|
|---|
| 1110 | while ($a <= 2*M_PI) {
|
|---|
| 1111 | $xp = floor($radius*cos($a)+$xc);
|
|---|
| 1112 | $yp = floor($yc-$radius*sin($a));
|
|---|
| 1113 | $coords.= ", $xp, $yp";
|
|---|
| 1114 | $a += 0.25;
|
|---|
| 1115 | }
|
|---|
| 1116 | $a -= 2*M_PI;
|
|---|
| 1117 | }
|
|---|
| [2] | 1118 |
|
|---|
| [284] | 1119 | while ($a < $sa) {
|
|---|
| 1120 | $xp = floor(($this->imidsize*$radius*cos($a)+$xc));
|
|---|
| 1121 | $yp = floor($yc-($this->imidsize*$radius*sin($a)));
|
|---|
| 1122 | $coords.= ", $xp, $yp";
|
|---|
| 1123 | $a += 0.25;
|
|---|
| 1124 | }
|
|---|
| [2] | 1125 |
|
|---|
| [284] | 1126 | // Make sure we end at the last point
|
|---|
| 1127 | $xp = floor(($this->imidsize*$radius*cos($sa)+$xc));
|
|---|
| 1128 | $yp = floor($yc-($this->imidsize*$radius*sin($sa)));
|
|---|
| 1129 | $coords.= ", $xp, $yp";
|
|---|
| [2] | 1130 |
|
|---|
| [284] | 1131 | // Straight line to outer circle
|
|---|
| 1132 | $xp = floor($radius*cos($sa)+$xc);
|
|---|
| 1133 | $yp = floor($yc-$radius*sin($sa));
|
|---|
| 1134 | $coords.= ", $xp, $yp";
|
|---|
| [2] | 1135 |
|
|---|
| [284] | 1136 | //add coordinates every 0.25 radians
|
|---|
| 1137 | $a=$sa - 0.25;
|
|---|
| 1138 | while ($a > $ea) {
|
|---|
| 1139 | $xp = floor($radius*cos($a)+$xc);
|
|---|
| 1140 | $yp = floor($yc-$radius*sin($a));
|
|---|
| 1141 | $coords.= ", $xp, $yp";
|
|---|
| 1142 | $a -= 0.25;
|
|---|
| 1143 | }
|
|---|
| [2] | 1144 |
|
|---|
| [284] | 1145 | //Add the last point on the arc
|
|---|
| 1146 | $xp = floor($radius*cos($ea)+$xc);
|
|---|
| 1147 | $yp = floor($yc-$radius*sin($ea));
|
|---|
| 1148 | $coords.= ", $xp, $yp";
|
|---|
| 1149 |
|
|---|
| 1150 | // Close the arc
|
|---|
| 1151 | $xp = floor(($this->imidsize*$radius*cos($ea))+$xc);
|
|---|
| 1152 | $yp = floor($yc-($this->imidsize*$radius*sin($ea)));
|
|---|
| 1153 | $coords .= ", $xp, $yp";
|
|---|
| 1154 |
|
|---|
| 1155 | if( !empty($this->csimtargets[$i]) ) {
|
|---|
| 1156 | $this->csimareas .= "<area shape=\"poly\" coords=\"$coords\" href=\"".
|
|---|
| 1157 | $this->csimtargets[$i]."\"";
|
|---|
| 1158 | if( !empty($this->csimwintargets[$i]) ) {
|
|---|
| 1159 | $this->csimareas .= " target=\"".$this->csimwintargets[$i]."\" ";
|
|---|
| 1160 | }
|
|---|
| 1161 | if( !empty($this->csimalts[$i]) ) {
|
|---|
| 1162 | $tmp=sprintf($this->csimalts[$i],$this->data[$i]);
|
|---|
| 1163 | $this->csimareas .= " title=\"$tmp\" alt=\"$tmp\" ";
|
|---|
| 1164 | }
|
|---|
| 1165 | $this->csimareas .= " />\n";
|
|---|
| 1166 | }
|
|---|
| [2] | 1167 | }
|
|---|
| 1168 |
|
|---|
| 1169 |
|
|---|
| 1170 | function Stroke($img,$aaoption=0) {
|
|---|
| 1171 |
|
|---|
| [284] | 1172 | // Stroke the pie but don't stroke values
|
|---|
| 1173 | $tmp = $this->value->show;
|
|---|
| 1174 | $this->value->show = false;
|
|---|
| 1175 | parent::Stroke($img,$aaoption);
|
|---|
| 1176 | $this->value->show = $tmp;
|
|---|
| [2] | 1177 |
|
|---|
| [284] | 1178 | $xc = round($this->posx*$img->width);
|
|---|
| 1179 | $yc = round($this->posy*$img->height);
|
|---|
| [2] | 1180 |
|
|---|
| [284] | 1181 | $radius = floor($this->radius * min($img->width,$img->height)) ;
|
|---|
| [2] | 1182 |
|
|---|
| 1183 |
|
|---|
| [284] | 1184 | if( $this->imidsize > 0 && $aaoption !== 2 ) {
|
|---|
| [2] | 1185 |
|
|---|
| [284] | 1186 | if( $this->ishadowcolor != "" ) {
|
|---|
| 1187 | $img->SetColor($this->ishadowcolor);
|
|---|
| 1188 | $img->FilledCircle($xc+$this->ishadowdrop,$yc+$this->ishadowdrop,
|
|---|
| 1189 | round($radius*$this->imidsize));
|
|---|
| 1190 | }
|
|---|
| [2] | 1191 |
|
|---|
| [284] | 1192 | $img->SetColor($this->imidcolor);
|
|---|
| 1193 | $img->FilledCircle($xc,$yc,round($radius*$this->imidsize));
|
|---|
| [2] | 1194 |
|
|---|
| [284] | 1195 | if( $this->pie_border && $aaoption === 0 ) {
|
|---|
| 1196 | $img->SetColor($this->color);
|
|---|
| 1197 | $img->Circle($xc,$yc,round($radius*$this->imidsize));
|
|---|
| 1198 | }
|
|---|
| [2] | 1199 |
|
|---|
| [284] | 1200 | if( !empty($this->middlecsimtarget) )
|
|---|
| 1201 | $this->AddMiddleCSIM($xc,$yc,round($radius*$this->imidsize));
|
|---|
| [2] | 1202 |
|
|---|
| [284] | 1203 | }
|
|---|
| [2] | 1204 |
|
|---|
| [284] | 1205 | if( $this->value->show && $aaoption !== 1) {
|
|---|
| 1206 | $this->StrokeAllLabels($img,$xc,$yc,$radius);
|
|---|
| 1207 | $this->midtitle->SetPos($xc,$yc,'center','center');
|
|---|
| 1208 | $this->midtitle->Stroke($img);
|
|---|
| 1209 | }
|
|---|
| [2] | 1210 |
|
|---|
| 1211 | }
|
|---|
| 1212 |
|
|---|
| 1213 | function AddMiddleCSIM($xc,$yc,$r) {
|
|---|
| [284] | 1214 | $xc=round($xc);$yc=round($yc);$r=round($r);
|
|---|
| 1215 | $this->csimareas .= "<area shape=\"circle\" coords=\"$xc,$yc,$r\" href=\"".
|
|---|
| 1216 | $this->middlecsimtarget."\"";
|
|---|
| 1217 | if( !empty($this->middlecsimwintarget) ) {
|
|---|
| 1218 | $this->csimareas .= " target=\"".$this->middlecsimwintarget."\"";
|
|---|
| 1219 | }
|
|---|
| 1220 | if( !empty($this->middlecsimalt) ) {
|
|---|
| 1221 | $tmp = $this->middlecsimalt;
|
|---|
| 1222 | $this->csimareas .= " title=\"$tmp\" alt=\"$tmp\" ";
|
|---|
| 1223 | }
|
|---|
| 1224 | $this->csimareas .= " />\n";
|
|---|
| [2] | 1225 | }
|
|---|
| 1226 |
|
|---|
| 1227 | function StrokeLabel($label,$img,$xc,$yc,$a,$r) {
|
|---|
| 1228 |
|
|---|
| [284] | 1229 | if( $this->ilabelposadj === 'auto' )
|
|---|
| 1230 | $this->ilabelposadj = (1-$this->imidsize)/2+$this->imidsize;
|
|---|
| [2] | 1231 |
|
|---|
| [284] | 1232 | parent::StrokeLabel($label,$img,$xc,$yc,$a,$r);
|
|---|
| [2] | 1233 |
|
|---|
| 1234 | }
|
|---|
| 1235 |
|
|---|
| 1236 | }
|
|---|
| 1237 |
|
|---|
| 1238 |
|
|---|
| 1239 | //===================================================
|
|---|
| 1240 | // CLASS PieGraph
|
|---|
| [284] | 1241 | // Description:
|
|---|
| [2] | 1242 | //===================================================
|
|---|
| 1243 | class PieGraph extends Graph {
|
|---|
| [284] | 1244 | private $posx, $posy, $radius;
|
|---|
| 1245 | private $legends=array();
|
|---|
| [2] | 1246 | public $plots=array();
|
|---|
| 1247 | public $pieaa = false ;
|
|---|
| [284] | 1248 | //---------------
|
|---|
| 1249 | // CONSTRUCTOR
|
|---|
| 1250 | function __construct($width=300,$height=200,$cachedName="",$timeout=0,$inline=1) {
|
|---|
| 1251 | parent::__construct($width,$height,$cachedName,$timeout,$inline);
|
|---|
| 1252 | $this->posx=$width/2;
|
|---|
| 1253 | $this->posy=$height/2;
|
|---|
| 1254 | $this->SetColor(array(255,255,255));
|
|---|
| 1255 |
|
|---|
| 1256 | if ($this->graph_theme) {
|
|---|
| 1257 | $this->graph_theme->ApplyGraph($this);
|
|---|
| 1258 | }
|
|---|
| [2] | 1259 | }
|
|---|
| 1260 |
|
|---|
| [284] | 1261 | //---------------
|
|---|
| 1262 | // PUBLIC METHODS
|
|---|
| [2] | 1263 | function Add($aObj) {
|
|---|
| 1264 |
|
|---|
| [284] | 1265 | if( is_array($aObj) && count($aObj) > 0 )
|
|---|
| 1266 | $cl = $aObj[0];
|
|---|
| 1267 | else
|
|---|
| 1268 | $cl = $aObj;
|
|---|
| [2] | 1269 |
|
|---|
| [284] | 1270 | if( $cl instanceof Text )
|
|---|
| 1271 | $this->AddText($aObj);
|
|---|
| 1272 | elseif( class_exists('IconPlot',false) && ($cl instanceof IconPlot) )
|
|---|
| 1273 | $this->AddIcon($aObj);
|
|---|
| 1274 | else {
|
|---|
| 1275 | if( is_array($aObj) ) {
|
|---|
| 1276 | $n = count($aObj);
|
|---|
| 1277 | for($i=0; $i < $n; ++$i ) {
|
|---|
| 1278 | //if ($aObj[$i]->theme) {
|
|---|
| 1279 | // $this->ClearTheme();
|
|---|
| 1280 | //}
|
|---|
| 1281 | $this->plots[] = $aObj[$i];
|
|---|
| 1282 | }
|
|---|
| 1283 | }
|
|---|
| 1284 | else {
|
|---|
| 1285 | //if ($aObj->theme) {
|
|---|
| 1286 | // $this->ClearTheme();
|
|---|
| 1287 | //}
|
|---|
| 1288 | $this->plots[] = $aObj;
|
|---|
| 1289 | }
|
|---|
| 1290 | }
|
|---|
| 1291 |
|
|---|
| 1292 | if ($this->graph_theme) {
|
|---|
| 1293 | $this->graph_theme->SetupPlot($aObj);
|
|---|
| 1294 | if ($aObj->is_using_plot_theme) {
|
|---|
| 1295 | $aObj->UsePlotThemeColors();
|
|---|
| 1296 | }
|
|---|
| 1297 | }
|
|---|
| [2] | 1298 | }
|
|---|
| 1299 |
|
|---|
| 1300 | function SetAntiAliasing($aFlg=true) {
|
|---|
| [284] | 1301 | $this->pieaa = $aFlg;
|
|---|
| [2] | 1302 | }
|
|---|
| [284] | 1303 |
|
|---|
| [2] | 1304 | function SetColor($c) {
|
|---|
| [284] | 1305 | $this->SetMarginColor($c);
|
|---|
| [2] | 1306 | }
|
|---|
| 1307 |
|
|---|
| 1308 |
|
|---|
| 1309 | function DisplayCSIMAreas() {
|
|---|
| [284] | 1310 | $csim="";
|
|---|
| 1311 | foreach($this->plots as $p ) {
|
|---|
| 1312 | $csim .= $p->GetCSIMareas();
|
|---|
| 1313 | }
|
|---|
| 1314 |
|
|---|
| 1315 | $csim.= $this->legend->GetCSIMareas();
|
|---|
| 1316 | if (preg_match_all("/area shape=\"(\w+)\" coords=\"([0-9\, ]+)\"/", $csim, $coords)) {
|
|---|
| 1317 | $this->img->SetColor($this->csimcolor);
|
|---|
| 1318 | $n = count($coords[0]);
|
|---|
| 1319 | for ($i=0; $i < $n; $i++) {
|
|---|
| 1320 | if ($coords[1][$i]=="poly") {
|
|---|
| 1321 | preg_match_all('/\s*([0-9]+)\s*,\s*([0-9]+)\s*,*/',$coords[2][$i],$pts);
|
|---|
| 1322 | $this->img->SetStartPoint($pts[1][count($pts[0])-1],$pts[2][count($pts[0])-1]);
|
|---|
| 1323 | $m = count($pts[0]);
|
|---|
| 1324 | for ($j=0; $j < $m; $j++) {
|
|---|
| 1325 | $this->img->LineTo($pts[1][$j],$pts[2][$j]);
|
|---|
| 1326 | }
|
|---|
| 1327 | } else if ($coords[1][$i]=="rect") {
|
|---|
| 1328 | $pts = preg_split('/,/', $coords[2][$i]);
|
|---|
| 1329 | $this->img->SetStartPoint($pts[0],$pts[1]);
|
|---|
| 1330 | $this->img->LineTo($pts[2],$pts[1]);
|
|---|
| 1331 | $this->img->LineTo($pts[2],$pts[3]);
|
|---|
| 1332 | $this->img->LineTo($pts[0],$pts[3]);
|
|---|
| 1333 | $this->img->LineTo($pts[0],$pts[1]);
|
|---|
| 1334 |
|
|---|
| 1335 | }
|
|---|
| 1336 | }
|
|---|
| 1337 | }
|
|---|
| [2] | 1338 | }
|
|---|
| 1339 |
|
|---|
| 1340 | // Method description
|
|---|
| 1341 | function Stroke($aStrokeFileName="") {
|
|---|
| 1342 |
|
|---|
| [284] | 1343 | // If the filename is the predefined value = '_csim_special_'
|
|---|
| 1344 | // we assume that the call to stroke only needs to do enough
|
|---|
| 1345 | // to correctly generate the CSIM maps.
|
|---|
| 1346 | // We use this variable to skip things we don't strictly need
|
|---|
| 1347 | // to do to generate the image map to improve performance
|
|---|
| 1348 | // a best we can. Therefor you will see a lot of tests !$_csim in the
|
|---|
| 1349 | // code below.
|
|---|
| 1350 | $_csim = ($aStrokeFileName===_CSIM_SPECIALFILE);
|
|---|
| [2] | 1351 |
|
|---|
| [284] | 1352 | // If we are called the second time (perhaps the user has called GetHTMLImageMap()
|
|---|
| 1353 | // himself then the legends have alsready been populated once in order to get the
|
|---|
| 1354 | // CSIM coordinats. Since we do not want the legends to be populated a second time
|
|---|
| 1355 | // we clear the legends
|
|---|
| 1356 | $this->legend->Clear();
|
|---|
| [2] | 1357 |
|
|---|
| [284] | 1358 | // We need to know if we have stroked the plot in the
|
|---|
| 1359 | // GetCSIMareas. Otherwise the CSIM hasn't been generated
|
|---|
| 1360 | // and in the case of GetCSIM called before stroke to generate
|
|---|
| 1361 | // CSIM without storing an image to disk GetCSIM must call Stroke.
|
|---|
| 1362 | $this->iHasStroked = true;
|
|---|
| [2] | 1363 |
|
|---|
| [284] | 1364 | $n = count($this->plots);
|
|---|
| [2] | 1365 |
|
|---|
| [284] | 1366 | if( $this->pieaa ) {
|
|---|
| [2] | 1367 |
|
|---|
| [284] | 1368 | if( !$_csim ) {
|
|---|
| 1369 | if( $this->background_image != "" ) {
|
|---|
| 1370 | $this->StrokeFrameBackground();
|
|---|
| 1371 | }
|
|---|
| 1372 | else {
|
|---|
| 1373 | $this->StrokeFrame();
|
|---|
| 1374 | $this->StrokeBackgroundGrad();
|
|---|
| 1375 | }
|
|---|
| 1376 | }
|
|---|
| [2] | 1377 |
|
|---|
| 1378 |
|
|---|
| [284] | 1379 | $w = $this->img->width;
|
|---|
| 1380 | $h = $this->img->height;
|
|---|
| 1381 | $oldimg = $this->img->img;
|
|---|
| [2] | 1382 |
|
|---|
| [284] | 1383 | $this->img->CreateImgCanvas(2*$w,2*$h);
|
|---|
| [2] | 1384 |
|
|---|
| [284] | 1385 | $this->img->SetColor( $this->margin_color );
|
|---|
| 1386 | $this->img->FilledRectangle(0,0,2*$w-1,2*$h-1);
|
|---|
| [2] | 1387 |
|
|---|
| [284] | 1388 | // Make all icons *2 i size since we will be scaling down the
|
|---|
| 1389 | // imahe to do the anti aliasing
|
|---|
| 1390 | $ni = count($this->iIcons);
|
|---|
| 1391 | for($i=0; $i < $ni; ++$i) {
|
|---|
| 1392 | $this->iIcons[$i]->iScale *= 2 ;
|
|---|
| 1393 | if( $this->iIcons[$i]->iX > 1 )
|
|---|
| 1394 | $this->iIcons[$i]->iX *= 2 ;
|
|---|
| 1395 | if( $this->iIcons[$i]->iY > 1 )
|
|---|
| 1396 | $this->iIcons[$i]->iY *= 2 ;
|
|---|
| 1397 | }
|
|---|
| [2] | 1398 |
|
|---|
| [284] | 1399 | $this->StrokeIcons();
|
|---|
| [2] | 1400 |
|
|---|
| [284] | 1401 | for($i=0; $i < $n; ++$i) {
|
|---|
| 1402 | if( $this->plots[$i]->posx > 1 )
|
|---|
| 1403 | $this->plots[$i]->posx *= 2 ;
|
|---|
| 1404 | if( $this->plots[$i]->posy > 1 )
|
|---|
| 1405 | $this->plots[$i]->posy *= 2 ;
|
|---|
| [2] | 1406 |
|
|---|
| [284] | 1407 | $this->plots[$i]->Stroke($this->img,1);
|
|---|
| [2] | 1408 |
|
|---|
| [284] | 1409 | if( $this->plots[$i]->posx > 1 )
|
|---|
| 1410 | $this->plots[$i]->posx /= 2 ;
|
|---|
| 1411 | if( $this->plots[$i]->posy > 1 )
|
|---|
| 1412 | $this->plots[$i]->posy /= 2 ;
|
|---|
| 1413 | }
|
|---|
| [2] | 1414 |
|
|---|
| [284] | 1415 | $indent = $this->doframe ? ($this->frame_weight + ($this->doshadow ? $this->shadow_width : 0 )) : 0 ;
|
|---|
| 1416 | $indent += $this->framebevel ? $this->framebeveldepth + 1 : 0 ;
|
|---|
| 1417 | $this->img->CopyCanvasH($oldimg,$this->img->img,$indent,$indent,$indent,$indent,
|
|---|
| 1418 | $w-2*$indent,$h-2*$indent,2*($w-$indent),2*($h-$indent));
|
|---|
| [2] | 1419 |
|
|---|
| [284] | 1420 | $this->img->img = $oldimg ;
|
|---|
| 1421 | $this->img->width = $w ;
|
|---|
| 1422 | $this->img->height = $h ;
|
|---|
| [2] | 1423 |
|
|---|
| [284] | 1424 | for($i=0; $i < $n; ++$i) {
|
|---|
| 1425 | $this->plots[$i]->Stroke($this->img,2); // Stroke labels
|
|---|
| 1426 | $this->plots[$i]->Legend($this);
|
|---|
| 1427 | }
|
|---|
| [2] | 1428 |
|
|---|
| [284] | 1429 | }
|
|---|
| 1430 | else {
|
|---|
| [2] | 1431 |
|
|---|
| [284] | 1432 | if( !$_csim ) {
|
|---|
| 1433 | if( $this->background_image != "" ) {
|
|---|
| 1434 | $this->StrokeFrameBackground();
|
|---|
| 1435 | }
|
|---|
| 1436 | else {
|
|---|
| 1437 | $this->StrokeFrame();
|
|---|
| 1438 | $this->StrokeBackgroundGrad();
|
|---|
| 1439 | }
|
|---|
| 1440 | }
|
|---|
| [2] | 1441 |
|
|---|
| [284] | 1442 | $this->StrokeIcons();
|
|---|
| [2] | 1443 |
|
|---|
| [284] | 1444 | for($i=0; $i < $n; ++$i) {
|
|---|
| 1445 | $this->plots[$i]->Stroke($this->img);
|
|---|
| 1446 | $this->plots[$i]->Legend($this);
|
|---|
| 1447 | }
|
|---|
| 1448 | }
|
|---|
| [2] | 1449 |
|
|---|
| [284] | 1450 | $this->legend->Stroke($this->img);
|
|---|
| 1451 | $this->footer->Stroke($this->img);
|
|---|
| 1452 | $this->StrokeTitles();
|
|---|
| [2] | 1453 |
|
|---|
| [284] | 1454 | if( !$_csim ) {
|
|---|
| [2] | 1455 |
|
|---|
| [284] | 1456 | // Stroke texts
|
|---|
| 1457 | if( $this->texts != null ) {
|
|---|
| 1458 | $n = count($this->texts);
|
|---|
| 1459 | for($i=0; $i < $n; ++$i ) {
|
|---|
| 1460 | $this->texts[$i]->Stroke($this->img);
|
|---|
| 1461 | }
|
|---|
| 1462 | }
|
|---|
| [2] | 1463 |
|
|---|
| [284] | 1464 | if( _JPG_DEBUG ) {
|
|---|
| 1465 | $this->DisplayCSIMAreas();
|
|---|
| 1466 | }
|
|---|
| 1467 |
|
|---|
| 1468 | // Should we do any final image transformation
|
|---|
| 1469 | if( $this->iImgTrans ) {
|
|---|
| 1470 | if( !class_exists('ImgTrans',false) ) {
|
|---|
| 1471 | require_once('jpgraph_imgtrans.php');
|
|---|
| 1472 | //JpGraphError::Raise('In order to use image transformation you must include the file jpgraph_imgtrans.php in your script.');
|
|---|
| 1473 | }
|
|---|
| 1474 |
|
|---|
| 1475 | $tform = new ImgTrans($this->img->img);
|
|---|
| 1476 | $this->img->img = $tform->Skew3D($this->iImgTransHorizon,$this->iImgTransSkewDist,
|
|---|
| 1477 | $this->iImgTransDirection,$this->iImgTransHighQ,
|
|---|
| 1478 | $this->iImgTransMinSize,$this->iImgTransFillColor,
|
|---|
| 1479 | $this->iImgTransBorder);
|
|---|
| 1480 | }
|
|---|
| 1481 |
|
|---|
| 1482 |
|
|---|
| 1483 | // If the filename is given as the special "__handle"
|
|---|
| 1484 | // then the image handler is returned and the image is NOT
|
|---|
| 1485 | // streamed back
|
|---|
| 1486 | if( $aStrokeFileName == _IMG_HANDLER ) {
|
|---|
| 1487 | return $this->img->img;
|
|---|
| 1488 | }
|
|---|
| 1489 | else {
|
|---|
| 1490 | // Finally stream the generated picture
|
|---|
| 1491 | $this->cache->PutAndStream($this->img,$this->cache_name,$this->inline,
|
|---|
| 1492 | $aStrokeFileName);
|
|---|
| 1493 | }
|
|---|
| 1494 | }
|
|---|
| [2] | 1495 | }
|
|---|
| 1496 | } // Class
|
|---|
| 1497 |
|
|---|
| 1498 | /* EOF */
|
|---|
| 1499 | ?>
|
|---|
