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Diffstat (limited to 'html/jpgraph/jpgraph_pie.php')
| -rw-r--r-- | html/jpgraph/jpgraph_pie.php | 1495 |
1 files changed, 1495 insertions, 0 deletions
diff --git a/html/jpgraph/jpgraph_pie.php b/html/jpgraph/jpgraph_pie.php new file mode 100644 index 0000000..c79d30f --- /dev/null +++ b/html/jpgraph/jpgraph_pie.php @@ -0,0 +1,1495 @@ +<?php +/*======================================================================= + // File: JPGRAPH_PIE.PHP + // Description: Pie plot extension for JpGraph + // Created: 2001-02-14 + // Ver: $Id: jpgraph_pie.php 1926 2010-01-11 16:33:07Z ljp $ + // + // Copyright (c) Asial Corporation. All rights reserved. + //======================================================================== + */ + + +// Defines for PiePlot::SetLabelType() +define("PIE_VALUE_ABS",1); +define("PIE_VALUE_PER",0); +define("PIE_VALUE_PERCENTAGE",0); +define("PIE_VALUE_ADJPERCENTAGE",2); +define("PIE_VALUE_ADJPER",2); + +//=================================================== +// CLASS PiePlot +// Description: Draws a pie plot +//=================================================== +class PiePlot { + public $posx=0.5,$posy=0.5; + public $is_using_plot_theme = false; + public $theme="earth"; + protected $use_plot_theme_colors = false; + protected $radius=0.3; + protected $explode_radius=array(),$explode_all=false,$explode_r=20; + protected $labels=null, $legends=null; + protected $csimtargets=null,$csimwintargets=null; // Array of targets for CSIM + protected $csimareas=''; // Generated CSIM text + protected $csimalts=null; // ALT tags for corresponding target + protected $data=null; + public $title; + protected $startangle=0; + protected $weight=1, $color="black"; + protected $legend_margin=6,$show_labels=true; + protected $themearr = array( + "earth" => array(136,34,40,45,46,62,63,134,74,10,120,136,141,168,180,77,209,218,346,395,89,430), + "pastel" => array(27,415,128,59,66,79,105,110,42,147,152,230,236,240,331,337,405,38), + "water" => array(8,370,24,40,335,56,213,237,268,14,326,387,10,388), + "sand" => array(27,168,34,170,19,50,65,72,131,209,46,393)); + protected $setslicecolors=array(); + protected $labeltype=0; // Default to percentage + protected $pie_border=true,$pie_interior_border=true; + public $value; + protected $ishadowcolor='',$ishadowdrop=4; + protected $ilabelposadj=1; + protected $legendcsimtargets = array(),$legendcsimwintargets = array(); + protected $legendcsimalts = array(); + protected $adjusted_data = array(); + public $guideline = null; + protected $guidelinemargin=10,$iShowGuideLineForSingle = false; + protected $iGuideLineCurve = false,$iGuideVFactor=1.4,$iGuideLineRFactor=0.8; + protected $la = array(); // Holds the exact angle for each label + + //--------------- + // CONSTRUCTOR + function __construct($data) { + $this->data = array_reverse($data); + $this->title = new Text(""); + $this->title->SetFont(FF_DEFAULT,FS_BOLD); + $this->value = new DisplayValue(); + $this->value->Show(); + $this->value->SetFormat('%.1f%%'); + $this->guideline = new LineProperty(); + } + + //--------------- + // PUBLIC METHODS + function SetCenter($x,$y=0.5) { + $this->posx = $x; + $this->posy = $y; + } + + // Enable guideline and set drwaing policy + function SetGuideLines($aFlg=true,$aCurved=true,$aAlways=false) { + $this->guideline->Show($aFlg); + $this->iShowGuideLineForSingle = $aAlways; + $this->iGuideLineCurve = $aCurved; + } + + // Adjuste the distance between labels and labels and pie + function SetGuideLinesAdjust($aVFactor,$aRFactor=0.8) { + $this->iGuideVFactor=$aVFactor; + $this->iGuideLineRFactor=$aRFactor; + } + + function SetColor($aColor) { + $this->color = $aColor; + } + + function SetSliceColors($aColors) { + $this->setslicecolors = $aColors; + } + + function SetShadow($aColor='darkgray',$aDropWidth=4) { + $this->ishadowcolor = $aColor; + $this->ishadowdrop = $aDropWidth; + } + + function SetCSIMTargets($aTargets,$aAlts='',$aWinTargets='') { + $this->csimtargets=array_reverse($aTargets); + if( is_array($aWinTargets) ) + $this->csimwintargets=array_reverse($aWinTargets); + if( is_array($aAlts) ) + $this->csimalts=array_reverse($aAlts); + } + + function GetCSIMareas() { + return $this->csimareas; + } + + function AddSliceToCSIM($i,$xc,$yc,$radius,$sa,$ea) { + //Slice number, ellipse centre (x,y), height, width, start angle, end angle + while( $sa > 2*M_PI ) $sa = $sa - 2*M_PI; + while( $ea > 2*M_PI ) $ea = $ea - 2*M_PI; + + $sa = 2*M_PI - $sa; + $ea = 2*M_PI - $ea; + + // Special case when we have only one slice since then both start and end + // angle will be == 0 + if( abs($sa - $ea) < 0.0001 ) { + $sa=2*M_PI; $ea=0; + } + + //add coordinates of the centre to the map + $xc = floor($xc);$yc=floor($yc); + $coords = "$xc, $yc"; + + //add coordinates of the first point on the arc to the map + $xp = floor(($radius*cos($ea))+$xc); + $yp = floor($yc-$radius*sin($ea)); + $coords.= ", $xp, $yp"; + + //add coordinates every 0.2 radians + $a=$ea+0.2; + + // If we cross the 360-limit with a slice we need to handle + // the fact that end angle is smaller than start + if( $sa < $ea ) { + while ($a <= 2*M_PI) { + $xp = floor($radius*cos($a)+$xc); + $yp = floor($yc-$radius*sin($a)); + $coords.= ", $xp, $yp"; + $a += 0.2; + } + $a -= 2*M_PI; + } + + + while ($a < $sa) { + $xp = floor($radius*cos($a)+$xc); + $yp = floor($yc-$radius*sin($a)); + $coords.= ", $xp, $yp"; + $a += 0.2; + } + + //Add the last point on the arc + $xp = floor($radius*cos($sa)+$xc); + $yp = floor($yc-$radius*sin($sa)); + $coords.= ", $xp, $yp"; + if( !empty($this->csimtargets[$i]) ) { + $this->csimareas .= "<area shape=\"poly\" coords=\"$coords\" href=\"".$this->csimtargets[$i]."\""; + $tmp=""; + if( !empty($this->csimwintargets[$i]) ) { + $this->csimareas .= " target=\"".$this->csimwintargets[$i]."\" "; + } + if( !empty($this->csimalts[$i]) ) { + $tmp=sprintf($this->csimalts[$i],$this->data[$i]); + $this->csimareas .= " title=\"$tmp\" alt=\"$tmp\" "; + } + $this->csimareas .= " />\n"; + } + } + + + function SetTheme($aTheme) { +// JpGraphError::RaiseL(15012,$aTheme); +// return; + + if( in_array($aTheme,array_keys($this->themearr)) ) { + $this->theme = $aTheme; + $this->is_using_plot_theme = true; + } else { + JpGraphError::RaiseL(15001,$aTheme);//("PiePLot::SetTheme() Unknown theme: $aTheme"); + } + } + + function ExplodeSlice($e,$radius=20) { + if( ! is_integer($e) ) + JpGraphError::RaiseL(15002);//('Argument to PiePlot::ExplodeSlice() must be an integer'); + $this->explode_radius[$e]=$radius; + } + + function ExplodeAll($radius=20) { + $this->explode_all=true; + $this->explode_r = $radius; + } + + function Explode($aExplodeArr) { + if( !is_array($aExplodeArr) ) { + JpGraphError::RaiseL(15003); + //("Argument to PiePlot::Explode() must be an array with integer distances."); + } + $this->explode_radius = $aExplodeArr; + } + + function SetStartAngle($aStart) { + if( $aStart < 0 || $aStart > 360 ) { + JpGraphError::RaiseL(15004);//('Slice start angle must be between 0 and 360 degrees.'); + } + if( $aStart == 0 ) { + $this->startangle = 0; + } + else { + $this->startangle = 360-$aStart; + $this->startangle *= M_PI/180; + } + } + + // Size in percentage + function SetSize($aSize) { + if( ($aSize>0 && $aSize<=0.5) || ($aSize>10 && $aSize<1000) ) + $this->radius = $aSize; + else + JpGraphError::RaiseL(15006); + //("PiePlot::SetSize() Radius for pie must either be specified as a fraction [0, 0.5] of the size of the image or as an absolute size in pixels in the range [10, 1000]"); + } + + // Set label arrays + function SetLegends($aLegend) { + $this->legends = $aLegend; + } + + // Set text labels for slices + function SetLabels($aLabels,$aLblPosAdj="auto") { + $this->labels = array_reverse($aLabels); + $this->ilabelposadj=$aLblPosAdj; + } + + function SetLabelPos($aLblPosAdj) { + $this->ilabelposadj=$aLblPosAdj; + } + + // Should we display actual value or percentage? + function SetLabelType($aType) { + if( $aType < 0 || $aType > 2 ) + JpGraphError::RaiseL(15008,$aType); + //("PiePlot::SetLabelType() Type for pie plots must be 0 or 1 (not $t)."); + $this->labeltype = $aType; + } + + // Deprecated. + function SetValueType($aType) { + $this->SetLabelType($aType); + } + + // Should the circle around a pie plot be displayed + function ShowBorder($exterior=true,$interior=true) { + $this->pie_border = $exterior; + $this->pie_interior_border = $interior; + } + + // Setup the legends + function Legend($graph) { + $colors = array_keys($graph->img->rgb->rgb_table); + sort($colors); + $ta=$this->themearr[$this->theme]; + $n = count($this->data); + + if( $this->setslicecolors==null ) { + $numcolors=count($ta); + if( class_exists('PiePlot3D',false) && ($this instanceof PiePlot3D) ) { + $ta = array_reverse(array_slice($ta,0,$n)); + } + } + else { + $this->setslicecolors = array_slice($this->setslicecolors,0,$n); + $numcolors=count($this->setslicecolors); + if( $graph->pieaa && !($this instanceof PiePlot3D) ) { + $this->setslicecolors = array_reverse($this->setslicecolors); + } + } + + $sum=0; + for($i=0; $i < $n; ++$i) + $sum += $this->data[$i]; + + // Bail out with error if the sum is 0 + if( $sum==0 ) + JpGraphError::RaiseL(15009);//("Illegal pie plot. Sum of all data is zero for Pie!"); + + // Make sure we don't plot more values than data points + // (in case the user added more legends than data points) + $n = min(count($this->legends),count($this->data)); + if( $this->legends != "" ) { + $this->legends = array_reverse(array_slice($this->legends,0,$n)); + } + for( $i=$n-1; $i >= 0; --$i ) { + $l = $this->legends[$i]; + // Replace possible format with actual values + if( count($this->csimalts) > $i ) { + $fmt = $this->csimalts[$i]; + } + else { + $fmt = "%d"; // Deafult Alt if no other has been specified + } + if( $this->labeltype==0 ) { + $l = sprintf($l,100*$this->data[$i]/$sum); + $alt = sprintf($fmt,$this->data[$i]); + + } + elseif( $this->labeltype == 1) { + $l = sprintf($l,$this->data[$i]); + $alt = sprintf($fmt,$this->data[$i]); + + } + else { + $l = sprintf($l,$this->adjusted_data[$i]); + $alt = sprintf($fmt,$this->adjusted_data[$i]); + } + + if( empty($this->csimwintargets[$i]) ) { + $wintarg = ''; + } + else { + $wintarg = $this->csimwintargets[$i]; + } + + if( $this->setslicecolors==null ) { + $graph->legend->Add($l,$colors[$ta[$i%$numcolors]],"",0,$this->csimtargets[$i],$alt,$wintarg); + } + else { + $graph->legend->Add($l,$this->setslicecolors[$i%$numcolors],"",0,$this->csimtargets[$i],$alt,$wintarg); + } + } + } + + // Adjust the rounded percetage value so that the sum of + // of the pie slices are always 100% + // Using the Hare/Niemeyer method + function AdjPercentage($aData,$aPrec=0) { + $mul=100; + if( $aPrec > 0 && $aPrec < 3 ) { + if( $aPrec == 1 ) + $mul=1000; + else + $mul=10000; + } + + $tmp = array(); + $result = array(); + $quote_sum=0; + $n = count($aData) ; + for( $i=0, $sum=0; $i < $n; ++$i ) + $sum+=$aData[$i]; + foreach($aData as $index => $value) { + $tmp_percentage=$value/$sum*$mul; + $result[$index]=floor($tmp_percentage); + $tmp[$index]=$tmp_percentage-$result[$index]; + $quote_sum+=$result[$index]; + } + if( $quote_sum == $mul) { + if( $mul > 100 ) { + $tmp = $mul / 100; + for( $i=0; $i < $n; ++$i ) { + $result[$i] /= $tmp ; + } + } + return $result; + } + arsort($tmp,SORT_NUMERIC); + reset($tmp); + for($i=0; $i < $mul-$quote_sum; $i++) + { + $result[key($tmp)]++; + next($tmp); + } + if( $mul > 100 ) { + $tmp = $mul / 100; + for( $i=0; $i < $n; ++$i ) { + $result[$i] /= $tmp ; + } + } + return $result; + } + + + function Stroke($img,$aaoption=0) { + // aaoption is used to handle antialias + // aaoption == 0 a normal pie + // aaoption == 1 just the body + // aaoption == 2 just the values + + // Explode scaling. If anti alias we scale the image + // twice and we also need to scale the exploding distance + $expscale = $aaoption === 1 ? 2 : 1; + + if( $this->labeltype == 2 ) { + // Adjust the data so that it will add up to 100% + $this->adjusted_data = $this->AdjPercentage($this->data); + } + + if ($this->use_plot_theme_colors) { + $this->setslicecolors = null; + } + + $colors = array_keys($img->rgb->rgb_table); + sort($colors); + $ta=$this->themearr[$this->theme]; + $n = count($this->data); + + if( $this->setslicecolors==null ) { + $numcolors=count($ta); + } + else { + // We need to create an array of colors as long as the data + // since we need to reverse it to get the colors in the right order + $numcolors=count($this->setslicecolors); + $i = 2*$numcolors; + while( $n > $i ) { + $this->setslicecolors = array_merge($this->setslicecolors,$this->setslicecolors); + $i += $n; + } + $tt = array_slice($this->setslicecolors,0,$n % $numcolors); + $this->setslicecolors = array_merge($this->setslicecolors,$tt); + $this->setslicecolors = array_reverse($this->setslicecolors); + } + + // Draw the slices + $sum=0; + for($i=0; $i < $n; ++$i) + $sum += $this->data[$i]; + + // Bail out with error if the sum is 0 + if( $sum==0 ) { + JpGraphError::RaiseL(15009);//("Sum of all data is 0 for Pie."); + } + + // Set up the pie-circle + if( $this->radius <= 1 ) { + $radius = floor($this->radius*min($img->width,$img->height)); + } + else { + $radius = $aaoption === 1 ? $this->radius*2 : $this->radius; + } + + if( $this->posx <= 1 && $this->posx > 0 ) { + $xc = round($this->posx*$img->width); + } + else { + $xc = $this->posx ; + } + + if( $this->posy <= 1 && $this->posy > 0 ) { + $yc = round($this->posy*$img->height); + } + else { + $yc = $this->posy ; + } + + $n = count($this->data); + + if( $this->explode_all ) { + for($i=0; $i < $n; ++$i) { + $this->explode_radius[$i]=$this->explode_r; + } + } + + // If we have a shadow and not just drawing the labels + if( $this->ishadowcolor != "" && $aaoption !== 2) { + $accsum=0; + $angle2 = $this->startangle; + $img->SetColor($this->ishadowcolor); + for($i=0; $sum > 0 && $i < $n; ++$i) { + $j = $n-$i-1; + $d = $this->data[$i]; + $angle1 = $angle2; + $accsum += $d; + $angle2 = $this->startangle+2*M_PI*$accsum/$sum; + if( empty($this->explode_radius[$j]) ) { + $this->explode_radius[$j]=0; + } + + if( $d < 0.00001 ) continue; + + $la = 2*M_PI - (abs($angle2-$angle1)/2.0+$angle1); + + $xcm = $xc + $this->explode_radius[$j]*cos($la)*$expscale; + $ycm = $yc - $this->explode_radius[$j]*sin($la)*$expscale; + + $xcm += $this->ishadowdrop*$expscale; + $ycm += $this->ishadowdrop*$expscale; + + $_sa = round($angle1*180/M_PI); + $_ea = round($angle2*180/M_PI); + + // The CakeSlice method draws a full circle in case of start angle = end angle + // for pie slices we don't want this behaviour unless we only have one + // slice in the pie in case it is the wanted behaviour + if( $_ea-$_sa > 0.1 || $n==1 ) { + $img->CakeSlice($xcm,$ycm,$radius-1,$radius-1, + $angle1*180/M_PI,$angle2*180/M_PI,$this->ishadowcolor); + } + } + } + + //-------------------------------------------------------------------------------- + // This is the main loop to draw each cake slice + //-------------------------------------------------------------------------------- + + // Set up the accumulated sum, start angle for first slice and border color + $accsum=0; + $angle2 = $this->startangle; + $img->SetColor($this->color); + + // Loop though all the slices if there is a pie to draw (sum>0) + // There are n slices in total + for($i=0; $sum>0 && $i < $n; ++$i) { + + // $j is the actual index used for the slice + $j = $n-$i-1; + + // Make sure we havea valid distance to explode the slice + if( empty($this->explode_radius[$j]) ) { + $this->explode_radius[$j]=0; + } + + // The actual numeric value for the slice + $d = $this->data[$i]; + + $angle1 = $angle2; + + // Accumlate the sum + $accsum += $d; + + // The new angle when we add the "size" of this slice + // angle1 is then the start and angle2 the end of this slice + $angle2 = $this->NormAngle($this->startangle+2*M_PI*$accsum/$sum); + + // We avoid some trouble by not allowing end angle to be 0, in that case + // we translate to 360 + + // la is used to hold the label angle, which is centered on the slice + if( $angle2 < 0.0001 && $angle1 > 0.0001 ) { + $this->la[$i] = 2*M_PI - (abs(2*M_PI-$angle1)/2.0+$angle1); + } + elseif( $angle1 > $angle2 ) { + // The case where the slice crosses the 3 a'clock line + // Remember that the slices are counted clockwise and + // labels are counted counter clockwise so we need to revert with 2 PI + $this->la[$i] = 2*M_PI-$this->NormAngle($angle1 + ((2*M_PI - $angle1)+$angle2)/2); + } + else { + $this->la[$i] = 2*M_PI - (abs($angle2-$angle1)/2.0+$angle1); + } + + // Too avoid rounding problems we skip the slice if it is too small + if( $d < 0.00001 ) continue; + + // If the user has specified an array of colors for each slice then use + // that a color otherwise use the theme array (ta) of colors + if( $this->setslicecolors==null ) { + $slicecolor=$colors[$ta[$i%$numcolors]]; + } + else { + $slicecolor=$this->setslicecolors[$i%$numcolors]; + } + +// $_sa = round($angle1*180/M_PI); +// $_ea = round($angle2*180/M_PI); +// $_la = round($this->la[$i]*180/M_PI); +// echo "Slice#$i: ang1=$_sa , ang2=$_ea, la=$_la, color=$slicecolor<br>"; + + + // If we have enabled antialias then we don't draw any border so + // make the bordedr color the same as the slice color + if( $this->pie_interior_border && $aaoption===0 ) { + $img->SetColor($this->color); + } + else { + $img->SetColor($slicecolor); + } + $arccolor = $this->pie_border && $aaoption===0 ? $this->color : ""; + + // Calculate the x,y coordinates for the base of this slice taking + // the exploded distance into account. Here we use the mid angle as the + // ray of extension and we have the mid angle handy as it is also the + // label angle + $xcm = $xc + $this->explode_radius[$j]*cos($this->la[$i])*$expscale; + $ycm = $yc - $this->explode_radius[$j]*sin($this->la[$i])*$expscale; + + // If we are not just drawing the labels then draw this cake slice + if( $aaoption !== 2 ) { + + $_sa = round($angle1*180/M_PI); + $_ea = round($angle2*180/M_PI); + $_la = round($this->la[$i]*180/M_PI); + //echo "[$i] sa=$_sa, ea=$_ea, la[$i]=$_la, (color=$slicecolor)<br>"; + + // The CakeSlice method draws a full circle in case of start angle = end angle + // for pie slices we want this in case the slice have a value larger than 99% of the + // total sum + if( abs($_ea-$_sa) >= 1 || $d == $sum ) { + $img->CakeSlice($xcm,$ycm,$radius-1,$radius-1,$_sa,$_ea,$slicecolor,$arccolor); + } + } + + // If the CSIM is used then make sure we register a CSIM area for this slice as well + if( $this->csimtargets && $aaoption !== 1 ) { + $this->AddSliceToCSIM($i,$xcm,$ycm,$radius,$angle1,$angle2); + } + } + + // Format the titles for each slice + if( $aaoption !== 2 ) { + for( $i=0; $i < $n; ++$i) { + if( $this->labeltype==0 ) { + if( $sum != 0 ) + $l = 100.0*$this->data[$i]/$sum; + else + $l = 0.0; + } + elseif( $this->labeltype==1 ) { + $l = $this->data[$i]*1.0; + } + else { + $l = $this->adjusted_data[$i]; + } + if( isset($this->labels[$i]) && is_string($this->labels[$i]) ) + $this->labels[$i]=sprintf($this->labels[$i],$l); + else + $this->labels[$i]=$l; + } + } + + if( $this->value->show && $aaoption !== 1 ) { + $this->StrokeAllLabels($img,$xc,$yc,$radius); + } + + // Adjust title position + if( $aaoption !== 1 ) { + $this->title->SetPos($xc, + $yc-$this->title->GetFontHeight($img)-$radius-$this->title->margin, + "center","bottom"); + $this->title->Stroke($img); + } + + } + + //--------------- + // PRIVATE METHODS + + function NormAngle($a) { + while( $a < 0 ) $a += 2*M_PI; + while( $a > 2*M_PI ) $a -= 2*M_PI; + return $a; + } + + function Quadrant($a) { + $a=$this->NormAngle($a); + if( $a > 0 && $a <= M_PI/2 ) + return 0; + if( $a > M_PI/2 && $a <= M_PI ) + return 1; + if( $a > M_PI && $a <= 1.5*M_PI ) + return 2; + if( $a > 1.5*M_PI ) + return 3; + } + + function StrokeGuideLabels($img,$xc,$yc,$radius) { + $n = count($this->labels); + + //----------------------------------------------------------------------- + // Step 1 of the algorithm is to construct a number of clusters + // a cluster is defined as all slices within the same quadrant (almost) + // that has an angular distance less than the treshold + //----------------------------------------------------------------------- + $tresh_hold=25 * M_PI/180; // 25 degrees difference to be in a cluster + $incluster=false; // flag if we are currently in a cluster or not + $clusters = array(); // array of clusters + $cidx=-1; // running cluster index + + // Go through all the labels and construct a number of clusters + for($i=0; $i < $n-1; ++$i) { + // Calc the angle distance between two consecutive slices + $a1=$this->la[$i]; + $a2=$this->la[$i+1]; + $q1 = $this->Quadrant($a1); + $q2 = $this->Quadrant($a2); + $diff = abs($a1-$a2); + if( $diff < $tresh_hold ) { + if( $incluster ) { + $clusters[$cidx][1]++; + // Each cluster can only cover one quadrant + // Do we cross a quadrant ( and must break the cluster) + if( $q1 != $q2 ) { + // If we cross a quadrant boundary we normally start a + // new cluster. However we need to take the 12'a clock + // and 6'a clock positions into a special consideration. + // Case 1: WE go from q=1 to q=2 if the last slice on + // the cluster for q=1 is close to 12'a clock and the + // first slice in q=0 is small we extend the previous + // cluster + if( $q1 == 1 && $q2 == 0 && $a2 > (90-15)*M_PI/180 ) { + if( $i < $n-2 ) { + $a3 = $this->la[$i+2]; + // If there isn't a cluster coming up with the next-next slice + // we extend the previous cluster to cover this slice as well + if( abs($a3-$a2) >= $tresh_hold ) { + $clusters[$cidx][1]++; + $i++; + } + } + } + elseif( $q1 == 3 && $q2 == 2 && $a2 > (270-15)*M_PI/180 ) { + if( $i < $n-2 ) { + $a3 = $this->la[$i+2]; + // If there isn't a cluster coming up with the next-next slice + // we extend the previous cluster to cover this slice as well + if( abs($a3-$a2) >= $tresh_hold ) { + $clusters[$cidx][1]++; + $i++; + } + } + } + + if( $q1==2 && $q2==1 && $a2 > (180-15)*M_PI/180 ) { + $clusters[$cidx][1]++; + $i++; + } + + $incluster = false; + } + } + elseif( $q1 == $q2) { + $incluster = true; + // Now we have a special case for quadrant 0. If we previously + // have a cluster of one in quadrant 0 we just extend that + // cluster. If we don't do this then we risk that the label + // for the cluster of one will cross the guide-line + if( $q1 == 0 && $cidx > -1 && + $clusters[$cidx][1] == 1 && + $this->Quadrant($this->la[$clusters[$cidx][0]]) == 0 ) { + $clusters[$cidx][1]++; + } + else { + $cidx++; + $clusters[$cidx][0] = $i; + $clusters[$cidx][1] = 1; + } + } + else { + // Create a "cluster" of one since we are just crossing + // a quadrant + $cidx++; + $clusters[$cidx][0] = $i; + $clusters[$cidx][1] = 1; + } + } + else { + if( $incluster ) { + // Add the last slice + $clusters[$cidx][1]++; + $incluster = false; + } + else { // Create a "cluster" of one + $cidx++; + $clusters[$cidx][0] = $i; + $clusters[$cidx][1] = 1; + } + } + } + // Handle the very last slice + if( $incluster ) { + $clusters[$cidx][1]++; + } + else { // Create a "cluster" of one + $cidx++; + $clusters[$cidx][0] = $i; + $clusters[$cidx][1] = 1; + } + + /* + if( true ) { + // Debug printout in labels + for( $i=0; $i <= $cidx; ++$i ) { + for( $j=0; $j < $clusters[$i][1]; ++$j ) { + $a = $this->la[$clusters[$i][0]+$j]; + $aa = round($a*180/M_PI); + $q = $this->Quadrant($a); + $this->labels[$clusters[$i][0]+$j]="[$q:$aa] $i:$j"; + } + } + } + */ + + //----------------------------------------------------------------------- + // Step 2 of the algorithm is use the clusters and draw the labels + // and guidelines + //----------------------------------------------------------------------- + + // We use the font height as the base factor for how far we need to + // spread the labels in the Y-direction. + $this->value->ApplyFont($img); + $fh = $img->GetFontHeight(); + $origvstep=$fh*$this->iGuideVFactor; + $this->value->SetMargin(0); + + // Number of clusters found + $nc = count($clusters); + + // Walk through all the clusters + for($i=0; $i < $nc; ++$i) { + + // Start angle and number of slices in this cluster + $csize = $clusters[$i][1]; + $a = $this->la[$clusters[$i][0]]; + $q = $this->Quadrant($a); + + // Now set up the start and end conditions to make sure that + // in each cluster we walk through the all the slices starting with the slice + // closest to the equator. Since all slices are numbered clockwise from "3'a clock" + // we have different conditions depending on in which quadrant the slice lies within. + if( $q == 0 ) { + $start = $csize-1; $idx = $start; $step = -1; $vstep = -$origvstep; + } + elseif( $q == 1 ) { + $start = 0; $idx = $start; $step = 1; $vstep = -$origvstep; + } + elseif( $q == 2 ) { + $start = $csize-1; $idx = $start; $step = -1; $vstep = $origvstep; + } + elseif( $q == 3 ) { + $start = 0; $idx = $start; $step = 1; $vstep = $origvstep; + } + + // Walk through all slices within this cluster + for($j=0; $j < $csize; ++$j) { + // Now adjust the position of the labels in each cluster starting + // with the slice that is closest to the equator of the pie + $a = $this->la[$clusters[$i][0]+$idx]; + + // Guide line start in the center of the arc of the slice + $r = $radius+$this->explode_radius[$n-1-($clusters[$i][0]+$idx)]; + $x = round($r*cos($a)+$xc); + $y = round($yc-$r*sin($a)); + + // The distance from the arc depends on chosen font and the "R-Factor" + $r += $fh*$this->iGuideLineRFactor; + + // Should the labels be placed curved along the pie or in straight columns + // outside the pie? + if( $this->iGuideLineCurve ) + $xt=round($r*cos($a)+$xc); + + // If this is the first slice in the cluster we need some first time + // proessing + if( $idx == $start ) { + if( ! $this->iGuideLineCurve ) + $xt=round($r*cos($a)+$xc); + $yt=round($yc-$r*sin($a)); + + // Some special consideration in case this cluster starts + // in quadrant 1 or 3 very close to the "equator" (< 20 degrees) + // and the previous clusters last slice is within the tolerance. + // In that case we add a font height to this labels Y-position + // so it doesn't collide with + // the slice in the previous cluster + $prevcluster = ($i + ($nc-1) ) % $nc; + $previdx=$clusters[$prevcluster][0]+$clusters[$prevcluster][1]-1; + if( $q == 1 && $a > 160*M_PI/180 ) { + // Get the angle for the previous clusters last slice + $diff = abs($a-$this->la[$previdx]); + if( $diff < $tresh_hold ) { + $yt -= $fh; + } + } + elseif( $q == 3 && $a > 340*M_PI/180 ) { + // We need to subtract 360 to compare angle distance between + // q=0 and q=3 + $diff = abs($a-$this->la[$previdx]-360*M_PI/180); + if( $diff < $tresh_hold ) { + $yt += $fh; + } + } + + } + else { + // The step is at minimum $vstep but if the slices are relatively large + // we make sure that we add at least a step that corresponds to the vertical + // distance between the centers at the arc on the slice + $prev_a = $this->la[$clusters[$i][0]+($idx-$step)]; + $dy = abs($radius*(sin($a)-sin($prev_a))*1.2); + if( $vstep > 0 ) + $yt += max($vstep,$dy); + else + $yt += min($vstep,-$dy); + } + + $label = $this->labels[$clusters[$i][0]+$idx]; + + if( $csize == 1 ) { + // A "meta" cluster with only one slice + $r = $radius+$this->explode_radius[$n-1-($clusters[$i][0]+$idx)]; + $rr = $r+$img->GetFontHeight()/2; + $xt=round($rr*cos($a)+$xc); + $yt=round($yc-$rr*sin($a)); + $this->StrokeLabel($label,$img,$xc,$yc,$a,$r); + if( $this->iShowGuideLineForSingle ) + $this->guideline->Stroke($img,$x,$y,$xt,$yt); + } + else { + $this->guideline->Stroke($img,$x,$y,$xt,$yt); + if( $q==1 || $q==2 ) { + // Left side of Pie + $this->guideline->Stroke($img,$xt,$yt,$xt-$this->guidelinemargin,$yt); + $lbladj = -$this->guidelinemargin-5; + $this->value->halign = "right"; + $this->value->valign = "center"; + } + else { + // Right side of pie + $this->guideline->Stroke($img,$xt,$yt,$xt+$this->guidelinemargin,$yt); + $lbladj = $this->guidelinemargin+5; + $this->value->halign = "left"; + $this->value->valign = "center"; + } + $this->value->Stroke($img,$label,$xt+$lbladj,$yt); + } + + // Udate idx to point to next slice in the cluster to process + $idx += $step; + } + } + } + + function StrokeAllLabels($img,$xc,$yc,$radius) { + // First normalize all angles for labels + $n = count($this->la); + for($i=0; $i < $n; ++$i) { + $this->la[$i] = $this->NormAngle($this->la[$i]); + } + if( $this->guideline->iShow ) { + $this->StrokeGuideLabels($img,$xc,$yc,$radius); + } + else { + $n = count($this->labels); + for($i=0; $i < $n; ++$i) { + $this->StrokeLabel($this->labels[$i],$img,$xc,$yc, + $this->la[$i], + $radius + $this->explode_radius[$n-1-$i]); + } + } + } + + // Position the labels of each slice + function StrokeLabel($label,$img,$xc,$yc,$a,$r) { + + // Default value + if( $this->ilabelposadj === 'auto' ) + $this->ilabelposadj = 0.65; + + // We position the values diferently depending on if they are inside + // or outside the pie + if( $this->ilabelposadj < 1.0 ) { + + $this->value->SetAlign('center','center'); + $this->value->margin = 0; + + $xt=round($this->ilabelposadj*$r*cos($a)+$xc); + $yt=round($yc-$this->ilabelposadj*$r*sin($a)); + + $this->value->Stroke($img,$label,$xt,$yt); + } + else { + + $this->value->halign = "left"; + $this->value->valign = "top"; + $this->value->margin = 0; + + // Position the axis title. + // dx, dy is the offset from the top left corner of the bounding box that sorrounds the text + // that intersects with the extension of the corresponding axis. The code looks a little + // bit messy but this is really the only way of having a reasonable position of the + // axis titles. + $this->value->ApplyFont($img); + $h=$img->GetTextHeight($label); + // For numeric values the format of the display value + // must be taken into account + if( is_numeric($label) ) { + if( $label > 0 ) + $w=$img->GetTextWidth(sprintf($this->value->format,$label)); + else + $w=$img->GetTextWidth(sprintf($this->value->negformat,$label)); + } + else + $w=$img->GetTextWidth($label); + + if( $this->ilabelposadj > 1.0 && $this->ilabelposadj < 5.0) { + $r *= $this->ilabelposadj; + } + + $r += $img->GetFontHeight()/1.5; + + $xt=round($r*cos($a)+$xc); + $yt=round($yc-$r*sin($a)); + + // Normalize angle + while( $a < 0 ) $a += 2*M_PI; + while( $a > 2*M_PI ) $a -= 2*M_PI; + + if( $a>=7*M_PI/4 || $a <= M_PI/4 ) $dx=0; + if( $a>=M_PI/4 && $a <= 3*M_PI/4 ) $dx=($a-M_PI/4)*2/M_PI; + if( $a>=3*M_PI/4 && $a <= 5*M_PI/4 ) $dx=1; + if( $a>=5*M_PI/4 && $a <= 7*M_PI/4 ) $dx=(1-($a-M_PI*5/4)*2/M_PI); + + if( $a>=7*M_PI/4 ) $dy=(($a-M_PI)-3*M_PI/4)*2/M_PI; + if( $a<=M_PI/4 ) $dy=(1-$a*2/M_PI); + if( $a>=M_PI/4 && $a <= 3*M_PI/4 ) $dy=1; + if( $a>=3*M_PI/4 && $a <= 5*M_PI/4 ) $dy=(1-($a-3*M_PI/4)*2/M_PI); + if( $a>=5*M_PI/4 && $a <= 7*M_PI/4 ) $dy=0; + + $this->value->Stroke($img,$label,$xt-$dx*$w,$yt-$dy*$h); + } + } + + function UsePlotThemeColors($flag = true) { + $this->use_plot_theme_colors = $flag; + } +} // Class + + +//=================================================== +// CLASS PiePlotC +// Description: Same as a normal pie plot but with a +// filled circle in the center +//=================================================== +class PiePlotC extends PiePlot { + private $imidsize=0.5; // Fraction of total width + private $imidcolor='white'; + public $midtitle=''; + private $middlecsimtarget='',$middlecsimwintarget='',$middlecsimalt=''; + + function __construct($data,$aCenterTitle='') { + parent::__construct($data); + $this->midtitle = new Text(); + $this->midtitle->ParagraphAlign('center'); + } + + function SetMid($aTitle,$aColor='white',$aSize=0.5) { + $this->midtitle->Set($aTitle); + + $this->imidsize = $aSize ; + $this->imidcolor = $aColor ; + } + + function SetMidTitle($aTitle) { + $this->midtitle->Set($aTitle); + } + + function SetMidSize($aSize) { + $this->imidsize = $aSize ; + } + + function SetMidColor($aColor) { + $this->imidcolor = $aColor ; + } + + function SetMidCSIM($aTarget,$aAlt='',$aWinTarget='') { + $this->middlecsimtarget = $aTarget; + $this->middlecsimwintarget = $aWinTarget; + $this->middlecsimalt = $aAlt; + } + + function AddSliceToCSIM($i,$xc,$yc,$radius,$sa,$ea) { + //Slice number, ellipse centre (x,y), radius, start angle, end angle + while( $sa > 2*M_PI ) $sa = $sa - 2*M_PI; + while( $ea > 2*M_PI ) $ea = $ea - 2*M_PI; + + $sa = 2*M_PI - $sa; + $ea = 2*M_PI - $ea; + + // Special case when we have only one slice since then both start and end + // angle will be == 0 + if( abs($sa - $ea) < 0.0001 ) { + $sa=2*M_PI; $ea=0; + } + + // Add inner circle first point + $xp = floor(($this->imidsize*$radius*cos($ea))+$xc); + $yp = floor($yc-($this->imidsize*$radius*sin($ea))); + $coords = "$xp, $yp"; + + //add coordinates every 0.25 radians + $a=$ea+0.25; + + // If we cross the 360-limit with a slice we need to handle + // the fact that end angle is smaller than start + if( $sa < $ea ) { + while ($a <= 2*M_PI) { + $xp = floor($radius*cos($a)+$xc); + $yp = floor($yc-$radius*sin($a)); + $coords.= ", $xp, $yp"; + $a += 0.25; + } + $a -= 2*M_PI; + } + + while ($a < $sa) { + $xp = floor(($this->imidsize*$radius*cos($a)+$xc)); + $yp = floor($yc-($this->imidsize*$radius*sin($a))); + $coords.= ", $xp, $yp"; + $a += 0.25; + } + + // Make sure we end at the last point + $xp = floor(($this->imidsize*$radius*cos($sa)+$xc)); + $yp = floor($yc-($this->imidsize*$radius*sin($sa))); + $coords.= ", $xp, $yp"; + + // Straight line to outer circle + $xp = floor($radius*cos($sa)+$xc); + $yp = floor($yc-$radius*sin($sa)); + $coords.= ", $xp, $yp"; + + //add coordinates every 0.25 radians + $a=$sa - 0.25; + while ($a > $ea) { + $xp = floor($radius*cos($a)+$xc); + $yp = floor($yc-$radius*sin($a)); + $coords.= ", $xp, $yp"; + $a -= 0.25; + } + + //Add the last point on the arc + $xp = floor($radius*cos($ea)+$xc); + $yp = floor($yc-$radius*sin($ea)); + $coords.= ", $xp, $yp"; + + // Close the arc + $xp = floor(($this->imidsize*$radius*cos($ea))+$xc); + $yp = floor($yc-($this->imidsize*$radius*sin($ea))); + $coords .= ", $xp, $yp"; + + if( !empty($this->csimtargets[$i]) ) { + $this->csimareas .= "<area shape=\"poly\" coords=\"$coords\" href=\"". + $this->csimtargets[$i]."\""; + if( !empty($this->csimwintargets[$i]) ) { + $this->csimareas .= " target=\"".$this->csimwintargets[$i]."\" "; + } + if( !empty($this->csimalts[$i]) ) { + $tmp=sprintf($this->csimalts[$i],$this->data[$i]); + $this->csimareas .= " title=\"$tmp\" alt=\"$tmp\" "; + } + $this->csimareas .= " />\n"; + } + } + + + function Stroke($img,$aaoption=0) { + + // Stroke the pie but don't stroke values + $tmp = $this->value->show; + $this->value->show = false; + parent::Stroke($img,$aaoption); + $this->value->show = $tmp; + + $xc = round($this->posx*$img->width); + $yc = round($this->posy*$img->height); + + $radius = floor($this->radius * min($img->width,$img->height)) ; + + + if( $this->imidsize > 0 && $aaoption !== 2 ) { + + if( $this->ishadowcolor != "" ) { + $img->SetColor($this->ishadowcolor); + $img->FilledCircle($xc+$this->ishadowdrop,$yc+$this->ishadowdrop, + round($radius*$this->imidsize)); + } + + $img->SetColor($this->imidcolor); + $img->FilledCircle($xc,$yc,round($radius*$this->imidsize)); + + if( $this->pie_border && $aaoption === 0 ) { + $img->SetColor($this->color); + $img->Circle($xc,$yc,round($radius*$this->imidsize)); + } + + if( !empty($this->middlecsimtarget) ) + $this->AddMiddleCSIM($xc,$yc,round($radius*$this->imidsize)); + + } + + if( $this->value->show && $aaoption !== 1) { + $this->StrokeAllLabels($img,$xc,$yc,$radius); + $this->midtitle->SetPos($xc,$yc,'center','center'); + $this->midtitle->Stroke($img); + } + + } + + function AddMiddleCSIM($xc,$yc,$r) { + $xc=round($xc);$yc=round($yc);$r=round($r); + $this->csimareas .= "<area shape=\"circle\" coords=\"$xc,$yc,$r\" href=\"". + $this->middlecsimtarget."\""; + if( !empty($this->middlecsimwintarget) ) { + $this->csimareas .= " target=\"".$this->middlecsimwintarget."\""; + } + if( !empty($this->middlecsimalt) ) { + $tmp = $this->middlecsimalt; + $this->csimareas .= " title=\"$tmp\" alt=\"$tmp\" "; + } + $this->csimareas .= " />\n"; + } + + function StrokeLabel($label,$img,$xc,$yc,$a,$r) { + + if( $this->ilabelposadj === 'auto' ) + $this->ilabelposadj = (1-$this->imidsize)/2+$this->imidsize; + + parent::StrokeLabel($label,$img,$xc,$yc,$a,$r); + + } + +} + + +//=================================================== +// CLASS PieGraph +// Description: +//=================================================== +class PieGraph extends Graph { + private $posx, $posy, $radius; + private $legends=array(); + public $plots=array(); + public $pieaa = false ; + //--------------- + // CONSTRUCTOR + function __construct($width=300,$height=200,$cachedName="",$timeout=0,$inline=1) { + parent::__construct($width,$height,$cachedName,$timeout,$inline); + $this->posx=$width/2; + $this->posy=$height/2; + $this->SetColor(array(255,255,255)); + + if ($this->graph_theme) { + $this->graph_theme->ApplyGraph($this); + } + } + + //--------------- + // PUBLIC METHODS + function Add($aObj) { + + if( is_array($aObj) && count($aObj) > 0 ) + $cl = $aObj[0]; + else + $cl = $aObj; + + if( $cl instanceof Text ) + $this->AddText($aObj); + elseif( class_exists('IconPlot',false) && ($cl instanceof IconPlot) ) + $this->AddIcon($aObj); + else { + if( is_array($aObj) ) { + $n = count($aObj); + for($i=0; $i < $n; ++$i ) { + //if ($aObj[$i]->theme) { + // $this->ClearTheme(); + //} + $this->plots[] = $aObj[$i]; + } + } + else { + //if ($aObj->theme) { + // $this->ClearTheme(); + //} + $this->plots[] = $aObj; + } + } + + if ($this->graph_theme) { + $this->graph_theme->SetupPlot($aObj); + if ($aObj->is_using_plot_theme) { + $aObj->UsePlotThemeColors(); + } + } + } + + function SetAntiAliasing($aFlg=true) { + $this->pieaa = $aFlg; + } + + function SetColor($c) { + $this->SetMarginColor($c); + } + + + function DisplayCSIMAreas() { + $csim=""; + foreach($this->plots as $p ) { + $csim .= $p->GetCSIMareas(); + } + + $csim.= $this->legend->GetCSIMareas(); + if (preg_match_all("/area shape=\"(\w+)\" coords=\"([0-9\, ]+)\"/", $csim, $coords)) { + $this->img->SetColor($this->csimcolor); + $n = count($coords[0]); + for ($i=0; $i < $n; $i++) { + if ($coords[1][$i]=="poly") { + preg_match_all('/\s*([0-9]+)\s*,\s*([0-9]+)\s*,*/',$coords[2][$i],$pts); + $this->img->SetStartPoint($pts[1][count($pts[0])-1],$pts[2][count($pts[0])-1]); + $m = count($pts[0]); + for ($j=0; $j < $m; $j++) { + $this->img->LineTo($pts[1][$j],$pts[2][$j]); + } + } else if ($coords[1][$i]=="rect") { + $pts = preg_split('/,/', $coords[2][$i]); + $this->img->SetStartPoint($pts[0],$pts[1]); + $this->img->LineTo($pts[2],$pts[1]); + $this->img->LineTo($pts[2],$pts[3]); + $this->img->LineTo($pts[0],$pts[3]); + $this->img->LineTo($pts[0],$pts[1]); + + } + } + } + } + + // Method description + function Stroke($aStrokeFileName="") { + + // If the filename is the predefined value = '_csim_special_' + // we assume that the call to stroke only needs to do enough + // to correctly generate the CSIM maps. + // We use this variable to skip things we don't strictly need + // to do to generate the image map to improve performance + // a best we can. Therefor you will see a lot of tests !$_csim in the + // code below. + $_csim = ($aStrokeFileName===_CSIM_SPECIALFILE); + + // If we are called the second time (perhaps the user has called GetHTMLImageMap() + // himself then the legends have alsready been populated once in order to get the + // CSIM coordinats. Since we do not want the legends to be populated a second time + // we clear the legends + $this->legend->Clear(); + + // We need to know if we have stroked the plot in the + // GetCSIMareas. Otherwise the CSIM hasn't been generated + // and in the case of GetCSIM called before stroke to generate + // CSIM without storing an image to disk GetCSIM must call Stroke. + $this->iHasStroked = true; + + $n = count($this->plots); + + if( $this->pieaa ) { + + if( !$_csim ) { + if( $this->background_image != "" ) { + $this->StrokeFrameBackground(); + } + else { + $this->StrokeFrame(); + $this->StrokeBackgroundGrad(); + } + } + + + $w = $this->img->width; + $h = $this->img->height; + $oldimg = $this->img->img; + + $this->img->CreateImgCanvas(2*$w,2*$h); + + $this->img->SetColor( $this->margin_color ); + $this->img->FilledRectangle(0,0,2*$w-1,2*$h-1); + + // Make all icons *2 i size since we will be scaling down the + // imahe to do the anti aliasing + $ni = count($this->iIcons); + for($i=0; $i < $ni; ++$i) { + $this->iIcons[$i]->iScale *= 2 ; + if( $this->iIcons[$i]->iX > 1 ) + $this->iIcons[$i]->iX *= 2 ; + if( $this->iIcons[$i]->iY > 1 ) + $this->iIcons[$i]->iY *= 2 ; + } + + $this->StrokeIcons(); + + for($i=0; $i < $n; ++$i) { + if( $this->plots[$i]->posx > 1 ) + $this->plots[$i]->posx *= 2 ; + if( $this->plots[$i]->posy > 1 ) + $this->plots[$i]->posy *= 2 ; + + $this->plots[$i]->Stroke($this->img,1); + + if( $this->plots[$i]->posx > 1 ) + $this->plots[$i]->posx /= 2 ; + if( $this->plots[$i]->posy > 1 ) + $this->plots[$i]->posy /= 2 ; + } + + $indent = $this->doframe ? ($this->frame_weight + ($this->doshadow ? $this->shadow_width : 0 )) : 0 ; + $indent += $this->framebevel ? $this->framebeveldepth + 1 : 0 ; + $this->img->CopyCanvasH($oldimg,$this->img->img,$indent,$indent,$indent,$indent, + $w-2*$indent,$h-2*$indent,2*($w-$indent),2*($h-$indent)); + + $this->img->img = $oldimg ; + $this->img->width = $w ; + $this->img->height = $h ; + + for($i=0; $i < $n; ++$i) { + $this->plots[$i]->Stroke($this->img,2); // Stroke labels + $this->plots[$i]->Legend($this); + } + + } + else { + + if( !$_csim ) { + if( $this->background_image != "" ) { + $this->StrokeFrameBackground(); + } + else { + $this->StrokeFrame(); + $this->StrokeBackgroundGrad(); + } + } + + $this->StrokeIcons(); + + for($i=0; $i < $n; ++$i) { + $this->plots[$i]->Stroke($this->img); + $this->plots[$i]->Legend($this); + } + } + + $this->legend->Stroke($this->img); + $this->footer->Stroke($this->img); + $this->StrokeTitles(); + + if( !$_csim ) { + + // Stroke texts + if( $this->texts != null ) { + $n = count($this->texts); + for($i=0; $i < $n; ++$i ) { + $this->texts[$i]->Stroke($this->img); + } + } + + if( _JPG_DEBUG ) { + $this->DisplayCSIMAreas(); + } + + // Should we do any final image transformation + if( $this->iImgTrans ) { + if( !class_exists('ImgTrans',false) ) { + require_once('jpgraph_imgtrans.php'); + //JpGraphError::Raise('In order to use image transformation you must include the file jpgraph_imgtrans.php in your script.'); + } + + $tform = new ImgTrans($this->img->img); + $this->img->img = $tform->Skew3D($this->iImgTransHorizon,$this->iImgTransSkewDist, + $this->iImgTransDirection,$this->iImgTransHighQ, + $this->iImgTransMinSize,$this->iImgTransFillColor, + $this->iImgTransBorder); + } + + + // If the filename is given as the special "__handle" + // then the image handler is returned and the image is NOT + // streamed back + if( $aStrokeFileName == _IMG_HANDLER ) { + return $this->img->img; + } + else { + // Finally stream the generated picture + $this->cache->PutAndStream($this->img,$this->cache_name,$this->inline, + $aStrokeFileName); + } + } + } +} // Class + +/* EOF */ +?> |