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-<?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 */
-?>
generated by cgit (git 2.34.1) at 2025-06-15 22:07:15 +0000