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); |
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454 | } |
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455 | else { |
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456 | $xc = $this->posx ; |
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457 | } |
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458 | |
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459 | if( $this->posy <= 1 && $this->posy > 0 ) { |
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460 | $yc = round($this->posy*$img->height); |
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461 | } |
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462 | else { |
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463 | $yc = $this->posy ; |
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464 | } |
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465 | |
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466 | $n = count($this->data); |
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467 | |
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468 | if( $this->explode_all ) { |
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469 | for($i=0; $i < $n; ++$i) { |
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470 | $this->explode_radius[$i]=$this->explode_r; |
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471 | } |
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472 | } |
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473 | |
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474 | // If we have a shadow and not just drawing the labels |
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475 | if( $this->ishadowcolor != "" && $aaoption !== 2) { |
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476 | $accsum=0; |
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477 | $angle2 = $this->startangle; |
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478 | $img->SetColor($this->ishadowcolor); |
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479 | for($i=0; $sum > 0 && $i < $n; ++$i) { |
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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 | ?> |
---|