| <?php |
| /*======================================================================= |
| // File: JPGRAPH_PIE.PHP |
| // Description: Pie plot extension for JpGraph |
| // Created: 2001-02-14 |
| // Author: Johan Persson (johanp@aditus.nu) |
| // Ver: $Id$ |
| // |
| // Copyright (c) Aditus Consulting. 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 { |
| var $posx=0.5,$posy=0.5; |
| var $radius=0.3; |
| var $explode_radius=array(),$explode_all=false,$explode_r=20; |
| var $labels=null, $legends=null; |
| var $csimtargets=null; // Array of targets for CSIM |
| var $csimareas=''; // Generated CSIM text |
| var $csimalts=null; // ALT tags for corresponding target |
| var $data=null; |
| var $title; |
| var $startangle=0; |
| var $weight=1, $color="black"; |
| var $legend_margin=6,$show_labels=true; |
| var $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)); |
| var $theme="earth"; |
| var $setslicecolors=array(); |
| var $labeltype=0; // Default to percentage |
| var $pie_border=true,$pie_interior_border=true; |
| var $value; |
| var $ishadowcolor='',$ishadowdrop=4; |
| var $ilabelposadj=1; |
| var $legendcsimtargets = array(); |
| var $legendcsimalts = array(); |
| var $adjusted_data = array(); |
| var $guideline = null,$guidelinemargin=10; |
| var $iShowGuideLineForSingle = false; |
| var $iGuideLineCurve = false,$iGuideVFactor=1.4,$iGuideLineRFactor=0.8; |
| //--------------- |
| // CONSTRUCTOR |
| function PiePlot($data) { |
| $this->data = array_reverse($data); |
| $this->title = new Text(""); |
| $this->title->SetFont(FF_FONT1,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 = $aDropWidth; |
| } |
| |
| function SetCSIMTargets($targets,$alts=null) { |
| $this->csimtargets=array_reverse($targets); |
| if( is_array($alts) ) |
| $this->csimalts=array_reverse($alts); |
| } |
| |
| 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 260-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->csimalts[$i]) ) { |
| $tmp=sprintf($this->csimalts[$i],$this->data[$i]); |
| $this->csimareas .= " title=\"$tmp\""; |
| } |
| $this->csimareas .= " alt=\"$tmp\" />\n"; |
| } |
| } |
| |
| |
| function SetTheme($aTheme) { |
| if( in_array($aTheme,array_keys($this->themearr)) ) |
| $this->theme = $aTheme; |
| else |
| JpGraphError::RaiseL(15001,$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.'); |
| } |
| $this->startangle = 360-$aStart; |
| $this->startangle *= M_PI/180; |
| } |
| |
| function SetFont($family,$style=FS_NORMAL,$size=10) { |
| JpGraphError::RaiseL(15005);//('PiePlot::SetFont() is deprecated. Use PiePlot->value->SetFont() instead.'); |
| } |
| |
| // Size in percentage |
| function SetSize($aSize) { |
| if( ($aSize>0 && $aSize<=0.5) || ($aSize>10 && $aSize<1000) ) |
| $this->radius = $aSize; |
| else |
| JpGraphError::RaiseL(15006); |
| //("PiePlot::SetSize() Radius for pie must either be specified as a fraction [0, 0.5] of the size of the image or as an absolute size in pixels in the range [10, 1000]"); |
| } |
| |
| function SetFontColor($aColor) { |
| JpGraphError::RaiseL(15007); |
| //('PiePlot::SetFontColor() is deprecated. Use PiePlot->value->SetColor() instead.'); |
| } |
| |
| // 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($t) { |
| if( $t < 0 || $t > 2 ) |
| JpGraphError::RaiseL(15008,$t); |
| //("PiePlot::SetLabelType() Type for pie plots must be 0 or 1 (not $t)."); |
| $this->labeltype=$t; |
| } |
| |
| // 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 = $interior; |
| } |
| |
| // Setup the legends (Framework method) |
| function Legend(&$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( is_a($this,'PiePlot3D') ) { |
| $ta = array_reverse(array_slice($ta,0,$n)); |
| } |
| } |
| else { |
| $this->setslicecolors = array_slice($this->setslicecolors,0,$n); |
| $numcolors=count($this->setslicecolors); |
| if( $graph->pieaa && is_a($this,'PiePlot') ) { |
| $this->setslicecolors = array_reverse($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( $this->setslicecolors==null ) { |
| $graph->legend->Add($l,$colors[$ta[$i%$numcolors]],"",0,$this->csimtargets[$i],$alt); |
| } |
| else { |
| $graph->legend->Add($l,$this->setslicecolors[$i%$numcolors],"",0,$this->csimtargets[$i],$alt); |
| } |
| } |
| } |
| |
| // 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 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); |
| } |
| |
| $colors = array_keys($img->rgb->rgb_table); |
| sort($colors); |
| $ta=$this->themearr[$this->theme]; |
| $n = count($this->data); |
| |
| if( $this->setslicecolors==null ) { |
| $numcolors=count($ta); |
| } |
| else { |
| $this->setslicecolors = array_reverse(array_slice($this->setslicecolors,0,$n)); |
| $numcolors=count($this->setslicecolors); |
| $tt = array_slice($this->setslicecolors,$n % $numcolors); |
| $tt2 = array_slice($this->setslicecolors,0,$n % $numcolors); |
| $tt2 = array_merge($tt, $tt2); |
| $this->setslicecolors = $tt + $tt2; |
| } |
| |
| // 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( $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; |
| |
| $la = 2*M_PI - (abs($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; |
| |
| $img->CakeSlice($xcm,$ycm,$radius,$radius, |
| $angle1*180/M_PI,$angle2*180/M_PI,$this->ishadowcolor); |
| |
| } |
| } |
| |
| $accsum=0; |
| $angle2 = $this->startangle; |
| $img->SetColor($this->color); |
| for($i=0; $sum>0 && $i < $n; ++$i) { |
| $j = $n-$i-1; |
| if( empty($this->explode_radius[$j]) ) |
| $this->explode_radius[$j]=0; |
| $d = $this->data[$i]; |
| $angle1 = $angle2; |
| $accsum += $d; |
| $angle2 = $this->startangle+2*M_PI*$accsum/$sum; |
| $this->la[$i] = 2*M_PI - (abs($angle2-$angle1)/2.0+$angle1); |
| |
| if( $d == 0 ) continue; |
| |
| if( $this->setslicecolors==null ) |
| $slicecolor=$colors[$ta[$i%$numcolors]]; |
| else |
| $slicecolor=$this->setslicecolors[$i%$numcolors]; |
| |
| if( $this->pie_interior_border && $aaoption===0 ) |
| $img->SetColor($this->color); |
| else |
| $img->SetColor($slicecolor); |
| |
| $arccolor = $this->pie_border && $aaoption===0 ? $this->color : ""; |
| |
| $xcm = $xc + $this->explode_radius[$j]*cos($this->la[$i])*$expscale; |
| $ycm = $yc - $this->explode_radius[$j]*sin($this->la[$i])*$expscale; |
| |
| if( $aaoption !== 2 ) { |
| $img->CakeSlice($xcm,$ycm,$radius-1,$radius-1, |
| $angle1*180/M_PI,$angle2*180/M_PI,$slicecolor,$arccolor); |
| } |
| |
| 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 ) { |
| $this->title->Pos($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 angualr 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. |
| $img->SetFont($this->value->ff,$this->value->fs,$this->value->fsize); |
| $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,$radius) { |
| |
| // Default value |
| if( $this->ilabelposadj === 'auto' ) |
| $this->ilabelposadj = 0.65; |
| $r = $radius; |
| |
| // 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. |
| $img->SetFont($this->value->ff,$this->value->fs,$this->value->fsize); |
| $h=$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); |
| } |
| } |
| } // Class |
| |
| |
| //=================================================== |
| // CLASS PiePlotC |
| // Description: Same as a normal pie plot but with a |
| // filled circle in the center |
| //=================================================== |
| class PiePlotC extends PiePlot { |
| var $imidsize=0.5; // Fraction of total width |
| var $imidcolor='white'; |
| var $midtitle=''; |
| var $middlecsimtarget="",$middlecsimalt=""; |
| |
| function PiePlotC($data,$aCenterTitle='') { |
| parent::PiePlot($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) { |
| $this->middlecsimtarget = $aTarget; |
| $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 260-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($this->csimalts[$i]) ) { |
| $tmp=sprintf($this->csimalts[$i],$this->data[$i]); |
| $this->csimareas .= " title=\"$tmp\""; |
| } |
| $this->csimareas .= " alt=\"$tmp\" />\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); |
| $this->midtitle->Pos($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->middlecsimalt) ) { |
| $tmp = $this->middlecsimalt; |
| $this->csimareas .= " title=\"$tmp\""; |
| } |
| $this->csimareas .= " alt=\"$tmp\" />\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 { |
| var $posx, $posy, $radius; |
| var $legends=array(); |
| var $plots=array(); |
| var $pieaa = false ; |
| //--------------- |
| // CONSTRUCTOR |
| function PieGraph($width=300,$height=200,$cachedName="",$timeout=0,$inline=1) { |
| $this->Graph($width,$height,$cachedName,$timeout,$inline); |
| $this->posx=$width/2; |
| $this->posy=$height/2; |
| $this->SetColor(array(255,255,255)); |
| } |
| |
| //--------------- |
| // PUBLIC METHODS |
| function Add($aObj) { |
| |
| if( is_array($aObj) && count($aObj) > 0 ) |
| $cl = $aObj[0]; |
| else |
| $cl = $aObj; |
| |
| if( is_a($cl,'Text') ) |
| $this->AddText($aObj); |
| elseif( is_a($cl,'IconPlot') ) |
| $this->AddIcon($aObj); |
| else { |
| if( is_array($aObj) ) { |
| $n = count($aObj); |
| for($i=0; $i < $n; ++$i ) { |
| $this->plots[] = $aObj[$i]; |
| } |
| } |
| else { |
| $this->plots[] = $aObj; |
| } |
| } |
| } |
| |
| function SetAntiAliasing($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); |
| |
| // 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(); |
| } |
| } |
| |
| |
| $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 |
| // image 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($this); |
| } |
| |
| } |
| else { |
| // No antialias |
| if( !$_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') ) { |
| 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 */ |
| ?> |