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<?php/*=======================================================================// File: JPGRAPH_BAR.PHP// Description: Bar plot extension for JpGraph// Created: 2001-01-08// Ver: $Id: jpgraph_bar.php 781 2006-10-08 08:07:47Z ljp $//// Copyright (c) Aditus Consulting. All rights reserved.//========================================================================*/require_once('jpgraph_plotband.php');// Pattern for BarsDEFINE('PATTERN_DIAG1',1);DEFINE('PATTERN_DIAG2',2);DEFINE('PATTERN_DIAG3',3);DEFINE('PATTERN_DIAG4',4);DEFINE('PATTERN_CROSS1',5);DEFINE('PATTERN_CROSS2',6);DEFINE('PATTERN_CROSS3',7);DEFINE('PATTERN_CROSS4',8);DEFINE('PATTERN_STRIPE1',9);DEFINE('PATTERN_STRIPE2',10);//===================================================// CLASS BarPlot// Description: Main code to produce a bar plot//===================================================class BarPlot extends Plot {public $fill=false,$fill_color="lightblue"; // Default is to fill with light bluepublic $iPattern=-1,$iPatternDensity=80,$iPatternColor='black';public $valuepos='top';public $grad=false,$grad_style=1;public $grad_fromcolor=array(50,50,200),$grad_tocolor=array(255,255,255);protected $width=0.4; // in percent of major ticksprotected $abswidth=-1; // Width in absolute pixelsprotected $ybase=0; // Bars start at 0protected $align="center";protected $bar_shadow=false;protected $bar_shadow_color="black";protected $bar_shadow_hsize=3,$bar_shadow_vsize=3;//---------------// CONSTRUCTORfunction BarPlot($datay,$datax=false) {$this->Plot($datay,$datax);++$this->numpoints;}//---------------// PUBLIC METHODS// Set a drop shadow for the bar (or rather an "up-right" shadow)function SetShadow($color="black",$hsize=3,$vsize=3,$show=true) {$this->bar_shadow=$show;$this->bar_shadow_color=$color;$this->bar_shadow_vsize=$vsize;$this->bar_shadow_hsize=$hsize;// Adjust the value margin to compensate for shadow$this->value->margin += $vsize;}// DEPRECATED use SetYBase insteadfunction SetYMin($aYStartValue) {//die("JpGraph Error: Deprecated function SetYMin. Use SetYBase() instead.");$this->ybase=$aYStartValue;}// Specify the base value for the barsfunction SetYBase($aYStartValue) {$this->ybase=$aYStartValue;}function Legend($graph) {if( $this->grad && $this->legend!="" && !$this->fill ) {$color=array($this->grad_fromcolor,$this->grad_tocolor);// In order to differentiate between gradients and cooors specified as an RGB triple$graph->legend->Add($this->legend,$color,"",-$this->grad_style,$this->legendcsimtarget,$this->legendcsimalt);}elseif( $this->legend!="" && ($this->iPattern > -1 || is_array($this->iPattern)) ) {if( is_array($this->iPattern) ) {$p1 = $this->iPattern[0];$p2 = $this->iPatternColor[0];$p3 = $this->iPatternDensity[0];}else {$p1 = $this->iPattern;$p2 = $this->iPatternColor;$p3 = $this->iPatternDensity;}$color = array($p1,$p2,$p3,$this->fill_color);// A kludge: Too mark that we add a pattern we use a type value of < 100$graph->legend->Add($this->legend,$color,"",-101,$this->legendcsimtarget,$this->legendcsimalt);}elseif( $this->fill_color && $this->legend!="" ) {if( is_array($this->fill_color) ) {$graph->legend->Add($this->legend,$this->fill_color[0],"",0,$this->legendcsimtarget,$this->legendcsimalt);}else {$graph->legend->Add($this->legend,$this->fill_color,"",0,$this->legendcsimtarget,$this->legendcsimalt);}}}// Gets called before any axis are strokedfunction PreStrokeAdjust($graph) {parent::PreStrokeAdjust($graph);// If we are using a log Y-scale we want the base to be at the// minimum Y-value unless the user have specifically set some other// value than the default.if( substr($graph->axtype,-3,3)=="log" && $this->ybase==0 )$this->ybase = $graph->yaxis->scale->GetMinVal();// For a "text" X-axis scale we will adjust the// display of the bars a little bit.if( substr($graph->axtype,0,3)=="tex" ) {// Position the ticks between the bars$graph->xaxis->scale->ticks->SetXLabelOffset(0.5,0);// Center the barsif( $this->abswidth > -1 ) {$graph->SetTextScaleAbsCenterOff($this->abswidth);}else {if( $this->align == "center" )$graph->SetTextScaleOff(0.5-$this->width/2);elseif( $this->align == "right" )$graph->SetTextScaleOff(1-$this->width);}}elseif( ($this instanceof AccBarPlot) || ($this instanceof GroupBarPlot) ) {// We only set an absolute width for linear and int scale// for text scale the width will be set to a fraction of// the majstep width.if( $this->abswidth == -1 ) {// Not set// set width to a visuable sensible default$this->abswidth = $graph->img->plotwidth/(2*count($this->coords[0]));}}}function Min() {$m = parent::Min();if( $m[1] >= $this->ybase )$m[1] = $this->ybase;return $m;}function Max() {$m = parent::Max();if( $m[1] <= $this->ybase )$m[1] = $this->ybase;return $m;}// Specify width as fractions of the major stepo sizefunction SetWidth($aWidth) {if( $aWidth > 1 ) {// Interpret this as absolute width$this->abswidth=$aWidth;}else$this->width=$aWidth;}// Specify width in absolute pixels. If specified this// overrides SetWidth()function SetAbsWidth($aWidth) {$this->abswidth=$aWidth;}function SetAlign($aAlign) {$this->align=$aAlign;}function SetNoFill() {$this->grad = false;$this->fill_color=false;$this->fill=false;}function SetFillColor($aColor) {$this->fill = true ;$this->fill_color=$aColor;}function SetFillGradient($from_color,$to_color,$style) {$this->grad=true;$this->grad_fromcolor=$from_color;$this->grad_tocolor=$to_color;$this->grad_style=$style;}function SetValuePos($aPos) {$this->valuepos = $aPos;}function SetPattern($aPattern, $aColor='black'){if( is_array($aPattern) ) {$n = count($aPattern);$this->iPattern = array();$this->iPatternDensity = array();if( is_array($aColor) ) {$this->iPatternColor = array();if( count($aColor) != $n ) {JpGraphError::Raise('NUmber of colors is not the same as the number of patterns in BarPlot::SetPattern()');}}else$this->iPatternColor = $aColor;for( $i=0; $i < $n; ++$i ) {$this->_SetPatternHelper($aPattern[$i], $this->iPattern[$i], $this->iPatternDensity[$i]);if( is_array($aColor) ) {$this->iPatternColor[$i] = $aColor[$i];}}}else {$this->_SetPatternHelper($aPattern, $this->iPattern, $this->iPatternDensity);$this->iPatternColor = $aColor;}}function _SetPatternHelper($aPattern, &$aPatternValue, &$aDensity){switch( $aPattern ) {case PATTERN_DIAG1:$aPatternValue= 1;$aDensity = 90;break;case PATTERN_DIAG2:$aPatternValue= 1;$aDensity = 75;break;case PATTERN_DIAG3:$aPatternValue= 2;$aDensity = 90;break;case PATTERN_DIAG4:$aPatternValue= 2;$aDensity = 75;break;case PATTERN_CROSS1:$aPatternValue= 8;$aDensity = 90;break;case PATTERN_CROSS2:$aPatternValue= 8;$aDensity = 78;break;case PATTERN_CROSS3:$aPatternValue= 8;$aDensity = 65;break;case PATTERN_CROSS4:$aPatternValue= 7;$aDensity = 90;break;case PATTERN_STRIPE1:$aPatternValue= 5;$aDensity = 90;break;case PATTERN_STRIPE2:$aPatternValue= 5;$aDensity = 75;break;default:JpGraphError::Raise('Unknown pattern specified in call to BarPlot::SetPattern()');}}function Stroke($img,$xscale,$yscale) {$numpoints = count($this->coords[0]);if( isset($this->coords[1]) ) {if( count($this->coords[1])!=$numpoints )JpGraphError::Raise("Number of X and Y points are not equal. Number of X-points:".count($this->coords[1])."Number of Y-points:$numpoints");else$exist_x = true;}else$exist_x = false;$numbars=count($this->coords[0]);// Use GetMinVal() instead of scale[0] directly since in the case// of log scale we get a correct value. Log scales will have negative// values for values < 1 while still not representing negative numbers.if( $yscale->GetMinVal() >= 0 )$zp=$yscale->scale_abs[0];else {$zp=$yscale->Translate(0);}if( $this->abswidth > -1 ) {$abswidth=$this->abswidth;}else$abswidth=round($this->width*$xscale->scale_factor,0);// Count pontetial pattern array to avoid doing the count for each iterationif( is_array($this->iPattern) ) {$np = count($this->iPattern);}for($i=0; $i < $numbars; ++$i) {// If value is NULL, or 0 then don't draw a bar at allif ($this->coords[0][$i] === null || $this->coords[0][$i] === '' )continue;if( $exist_x ) $x=$this->coords[1][$i];else $x=$i;$x=$xscale->Translate($x);// Comment Note: This confuses the positioning when using acc together with// grouped bars. Workaround for fixing #191/*if( !$xscale->textscale ) {if($this->align=="center")$x -= $abswidth/2;elseif($this->align=="right")$x -= $abswidth;}*/// Stroke fill color and fill gradient$pts=array($x,$zp,$x,$yscale->Translate($this->coords[0][$i]),$x+$abswidth,$yscale->Translate($this->coords[0][$i]),$x+$abswidth,$zp);if( $this->grad ) {$grad = new Gradient($img);$grad->FilledRectangle($pts[2],$pts[3],$pts[6],$pts[7],$this->grad_fromcolor,$this->grad_tocolor,$this->grad_style);}elseif( !empty($this->fill_color) ) {if(is_array($this->fill_color)) {$img->PushColor($this->fill_color[$i % count($this->fill_color)]);} else {$img->PushColor($this->fill_color);}$img->FilledPolygon($pts);$img->PopColor();}// Remember value of this bar$val=$this->coords[0][$i];if( !empty($val) && !is_numeric($val) ) {JpGraphError::Raise('All values for a barplot must be numeric. You have specified value['.$i.'] == \''.$val.'\'');}// Determine the shadowif( $this->bar_shadow && $val != 0) {$ssh = $this->bar_shadow_hsize;$ssv = $this->bar_shadow_vsize;// Create points to create a "upper-right" shadowif( $val > 0 ) {$sp[0]=$pts[6]; $sp[1]=$pts[7];$sp[2]=$pts[4]; $sp[3]=$pts[5];$sp[4]=$pts[2]; $sp[5]=$pts[3];$sp[6]=$pts[2]+$ssh; $sp[7]=$pts[3]-$ssv;$sp[8]=$pts[4]+$ssh; $sp[9]=$pts[5]-$ssv;$sp[10]=$pts[6]+$ssh; $sp[11]=$pts[7]-$ssv;}elseif( $val < 0 ) {$sp[0]=$pts[4]; $sp[1]=$pts[5];$sp[2]=$pts[6]; $sp[3]=$pts[7];$sp[4]=$pts[0]; $sp[5]=$pts[1];$sp[6]=$pts[0]+$ssh; $sp[7]=$pts[1]-$ssv;$sp[8]=$pts[6]+$ssh; $sp[9]=$pts[7]-$ssv;$sp[10]=$pts[4]+$ssh; $sp[11]=$pts[5]-$ssv;}if( is_array($this->bar_shadow_color) ) {$numcolors = count($this->bar_shadow_color);if( $numcolors == 0 ) {JpGraphError::Raise('You have specified an empty array for shadow colors in the bar plot.');}$img->PushColor($this->bar_shadow_color[$i % $numcolors]);}else {$img->PushColor($this->bar_shadow_color);}$img->FilledPolygon($sp);$img->PopColor();}// Stroke the patternif( is_array($this->iPattern) ) {$f = new RectPatternFactory();if( is_array($this->iPatternColor) ) {$pcolor = $this->iPatternColor[$i % $np];}else$pcolor = $this->iPatternColor;$prect = $f->Create($this->iPattern[$i % $np],$pcolor,1);$prect->SetDensity($this->iPatternDensity[$i % $np]);if( $val < 0 ) {$rx = $pts[0];$ry = $pts[1];}else {$rx = $pts[2];$ry = $pts[3];}$width = abs($pts[4]-$pts[0])+1;$height = abs($pts[1]-$pts[3])+1;$prect->SetPos(new Rectangle($rx,$ry,$width,$height));$prect->Stroke($img);}else {if( $this->iPattern > -1 ) {$f = new RectPatternFactory();$prect = $f->Create($this->iPattern,$this->iPatternColor,1);$prect->SetDensity($this->iPatternDensity);if( $val < 0 ) {$rx = $pts[0];$ry = $pts[1];}else {$rx = $pts[2];$ry = $pts[3];}$width = abs($pts[4]-$pts[0])+1;$height = abs($pts[1]-$pts[3])+1;$prect->SetPos(new Rectangle($rx,$ry,$width,$height));$prect->Stroke($img);}}// Stroke the outline of the barif( is_array($this->color) )$img->SetColor($this->color[$i % count($this->color)]);else$img->SetColor($this->color);$pts[] = $pts[0];$pts[] = $pts[1];if( $this->weight > 0 ) {$img->SetLineWeight($this->weight);$img->Polygon($pts);}// Determine how to best position the values of the individual bars$x=$pts[2]+($pts[4]-$pts[2])/2;if( $this->valuepos=='top' ) {$y=$pts[3];if( $img->a === 90 ) {if( $val < 0 )$this->value->SetAlign('right','center');else$this->value->SetAlign('left','center');}$this->value->Stroke($img,$val,$x,$y);}elseif( $this->valuepos=='max' ) {$y=$pts[3];if( $img->a === 90 ) {if( $val < 0 )$this->value->SetAlign('left','center');else$this->value->SetAlign('right','center');}else {$this->value->SetAlign('center','top');}$this->value->SetMargin(-3);$this->value->Stroke($img,$val,$x,$y);}elseif( $this->valuepos=='center' ) {$y = ($pts[3] + $pts[1])/2;$this->value->SetAlign('center','center');$this->value->SetMargin(0);$this->value->Stroke($img,$val,$x,$y);}elseif( $this->valuepos=='bottom' || $this->valuepos=='min' ) {$y=$pts[1];if( $img->a === 90 ) {if( $val < 0 )$this->value->SetAlign('right','center');else$this->value->SetAlign('left','center');}$this->value->SetMargin(3);$this->value->Stroke($img,$val,$x,$y);}else {JpGraphError::Raise('Unknown position for values on bars :'.$this->valuepos);}// Create the client side image map$rpts = $img->ArrRotate($pts);$csimcoord=round($rpts[0]).", ".round($rpts[1]);for( $j=1; $j < 4; ++$j){$csimcoord .= ", ".round($rpts[2*$j]).", ".round($rpts[2*$j+1]);}if( !empty($this->csimtargets[$i]) ) {$this->csimareas .= '<area shape="poly" coords="'.$csimcoord.'" ';$this->csimareas .= " href=\"".htmlentities($this->csimtargets[$i])."\"";$sval='';if( !empty($this->csimalts[$i]) ) {$sval=sprintf($this->csimalts[$i],$this->coords[0][$i]);$this->csimareas .= " title=\"$sval\" ";}$this->csimareas .= " alt=\"$sval\" />\n";}}return true;}} // Class//===================================================// CLASS GroupBarPlot// Description: Produce grouped bar plots//===================================================class GroupBarPlot extends BarPlot {private $plots, $nbrplots=0;//---------------// CONSTRUCTORfunction GroupBarPlot($plots) {$this->width=0.7;$this->plots = $plots;$this->nbrplots = count($plots);if( $this->nbrplots < 1 ) {JpGraphError::Raise('Cannot create GroupBarPlot from empty plot array.');}for($i=0; $i < $this->nbrplots; ++$i ) {if( empty($this->plots[$i]) || !isset($this->plots[$i]) ) {JpGraphError::Raise("Group bar plot element nbr $i is undefined or empty.");}}$this->numpoints = $plots[0]->numpoints;$this->width=0.7;}//---------------// PUBLIC METHODSfunction Legend($graph) {$n = count($this->plots);for($i=0; $i < $n; ++$i) {$c = get_class($this->plots[$i]);if( !($this->plots[$i] instanceof BarPlot) ) {JpGraphError::Raise('One of the objects submitted to GroupBar is not a BarPlot. Make sure that you create the Group Bar plot from an array of BarPlot or AccBarPlot objects. (Class = '.$c.')');}$this->plots[$i]->DoLegend($graph);}}function Min() {list($xmin,$ymin) = $this->plots[0]->Min();$n = count($this->plots);for($i=0; $i < $n; ++$i) {list($xm,$ym) = $this->plots[$i]->Min();$xmin = max($xmin,$xm);$ymin = min($ymin,$ym);}return array($xmin,$ymin);}function Max() {list($xmax,$ymax) = $this->plots[0]->Max();$n = count($this->plots);for($i=0; $i < $n; ++$i) {list($xm,$ym) = $this->plots[$i]->Max();$xmax = max($xmax,$xm);$ymax = max($ymax,$ym);}return array($xmax,$ymax);}function GetCSIMareas() {$n = count($this->plots);$csimareas='';for($i=0; $i < $n; ++$i) {$csimareas .= $this->plots[$i]->csimareas;}return $csimareas;}// Stroke all the bars next to each otherfunction Stroke($img,$xscale,$yscale) {$tmp=$xscale->off;$n = count($this->plots);$subwidth = $this->width/$this->nbrplots ;for( $i=0; $i < $n; ++$i ) {$this->plots[$i]->ymin=$this->ybase;$this->plots[$i]->SetWidth($subwidth);// If the client have used SetTextTickInterval() then// major_step will be > 1 and the positioning will fail.// If we assume it is always one the positioning will work// fine with a text scale but this will not work with// arbitrary linear scale$xscale->off = $tmp+$i*round($xscale->scale_factor* $subwidth);$this->plots[$i]->Stroke($img,$xscale,$yscale);}$xscale->off=$tmp;}} // Class//===================================================// CLASS AccBarPlot// Description: Produce accumulated bar plots//===================================================class AccBarPlot extends BarPlot {private $plots=null,$nbrplots=0;//---------------// CONSTRUCTORfunction AccBarPlot($plots) {$this->plots = $plots;$this->nbrplots = count($plots);if( $this->nbrplots < 1 ) {JpGraphError::Raise('Cannot create AccBarPlot from empty plot array.');}for($i=0; $i < $this->nbrplots; ++$i ) {if( empty($this->plots[$i]) || !isset($this->plots[$i]) ) {JpGraphError::Raise("Acc bar plot element nbr $i is undefined or empty.");}}$this->numpoints = $plots[0]->numpoints;$this->value = new DisplayValue();}//---------------// PUBLIC METHODSfunction Legend($graph) {$n = count($this->plots);for( $i=$n-1; $i >= 0; --$i ) {$c = get_class($this->plots[$i]);if( !($this->plots[$i] instanceof BarPlot) ) {JpGraphError::Raise('One of the objects submitted to AccBar is not a BarPlot. Make sure that you create the AccBar plot from an array of BarPlot objects.(Class='.$c.')');}$this->plots[$i]->DoLegend($graph);}}function Max() {list($xmax) = $this->plots[0]->Max();$nmax=0;for($i=0; $i < count($this->plots); ++$i) {$n = count($this->plots[$i]->coords[0]);$nmax = max($nmax,$n);list($x) = $this->plots[$i]->Max();$xmax = max($xmax,$x);}for( $i = 0; $i < $nmax; $i++ ) {// Get y-value for bar $i by adding the// individual bars from all the plots added.// It would be wrong to just add the// individual plots max y-value since that// would in most cases give to large y-value.$y=0;if( !isset($this->plots[0]->coords[0][$i]) ) {JpGraphError::RaiseL(2014);}if( $this->plots[0]->coords[0][$i] > 0 )$y=$this->plots[0]->coords[0][$i];for( $j = 1; $j < $this->nbrplots; $j++ ) {if( !isset($this->plots[$j]->coords[0][$i]) ) {JpGraphError::RaiseL(2014);}if( $this->plots[$j]->coords[0][$i] > 0 )$y += $this->plots[$j]->coords[0][$i];}$ymax[$i] = $y;}$ymax = max($ymax);// Bar always start at baselineif( $ymax <= $this->ybase )$ymax = $this->ybase;return array($xmax,$ymax);}function Min() {$nmax=0;list($xmin,$ysetmin) = $this->plots[0]->Min();for($i=0; $i < count($this->plots); ++$i) {$n = count($this->plots[$i]->coords[0]);$nmax = max($nmax,$n);list($x,$y) = $this->plots[$i]->Min();$xmin = Min($xmin,$x);$ysetmin = Min($y,$ysetmin);}for( $i = 0; $i < $nmax; $i++ ) {// Get y-value for bar $i by adding the// individual bars from all the plots added.// It would be wrong to just add the// individual plots max y-value since that// would in most cases give to large y-value.$y=0;if( $this->plots[0]->coords[0][$i] < 0 )$y=$this->plots[0]->coords[0][$i];for( $j = 1; $j < $this->nbrplots; $j++ ) {if( $this->plots[$j]->coords[0][$i] < 0 )$y += $this->plots[ $j ]->coords[0][$i];}$ymin[$i] = $y;}$ymin = Min($ysetmin,Min($ymin));// Bar always start at baselineif( $ymin >= $this->ybase )$ymin = $this->ybase;return array($xmin,$ymin);}// Stroke acc bar plotfunction Stroke($img,$xscale,$yscale) {$pattern=NULL;$img->SetLineWeight($this->weight);for($i=0; $i < $this->numpoints-1; $i++) {$accy = 0;$accy_neg = 0;for($j=0; $j < $this->nbrplots; ++$j ) {$img->SetColor($this->plots[$j]->color);if ( $this->plots[$j]->coords[0][$i] >= 0) {$yt=$yscale->Translate($this->plots[$j]->coords[0][$i]+$accy);$accyt=$yscale->Translate($accy);$accy+=$this->plots[$j]->coords[0][$i];}else {//if ( $this->plots[$j]->coords[0][$i] < 0 || $accy_neg < 0 ) {$yt=$yscale->Translate($this->plots[$j]->coords[0][$i]+$accy_neg);$accyt=$yscale->Translate($accy_neg);$accy_neg+=$this->plots[$j]->coords[0][$i];}$xt=$xscale->Translate($i);if( $this->abswidth > -1 )$abswidth=$this->abswidth;else$abswidth=round($this->width*$xscale->scale_factor,0);$pts=array($xt,$accyt,$xt,$yt,$xt+$abswidth,$yt,$xt+$abswidth,$accyt);if( $this->bar_shadow ) {$ssh = $this->bar_shadow_hsize;$ssv = $this->bar_shadow_vsize;// We must also differ if we are a positive or negative bar.if( $j === 0 ) {// This gets extra complicated since we have to// see all plots to see if we are negative. It could// for example be that all plots are 0 until the very// last one. We therefore need to save the initial setup// for both the negative and positive case// In case the final bar is positive$sp[0]=$pts[6]+1; $sp[1]=$pts[7];$sp[2]=$pts[6]+$ssh; $sp[3]=$pts[7]-$ssv;// In case the final bar is negative$nsp[0]=$pts[0]; $nsp[1]=$pts[1];$nsp[2]=$pts[0]+$ssh; $nsp[3]=$pts[1]-$ssv;$nsp[4]=$pts[6]+$ssh; $nsp[5]=$pts[7]-$ssv;$nsp[10]=$pts[6]+1; $nsp[11]=$pts[7];}if( $j === $this->nbrplots-1 ) {// If this is the last plot of the bar and// the total value is larger than 0 then we// add the shadow.if( is_array($this->bar_shadow_color) ) {$numcolors = count($this->bar_shadow_color);if( $numcolors == 0 ) {JpGraphError::Raise('You have specified an empty array for shadow colors in the bar plot.');}$img->PushColor($this->bar_shadow_color[$i % $numcolors]);}else {$img->PushColor($this->bar_shadow_color);}if( $accy > 0 ) {$sp[4]=$pts[4]+$ssh; $sp[5]=$pts[5]-$ssv;$sp[6]=$pts[2]+$ssh; $sp[7]=$pts[3]-$ssv;$sp[8]=$pts[2]; $sp[9]=$pts[3]-1;$sp[10]=$pts[4]+1; $sp[11]=$pts[5];$img->FilledPolygon($sp,4);}elseif( $accy_neg < 0 ) {$nsp[6]=$pts[4]+$ssh; $nsp[7]=$pts[5]-$ssv;$nsp[8]=$pts[4]+1; $nsp[9]=$pts[5];$img->FilledPolygon($nsp,4);}$img->PopColor();}}// If value is NULL or 0, then don't draw a bar at allif ($this->plots[$j]->coords[0][$i] == 0 ) continue;if( $this->plots[$j]->grad ) {$grad = new Gradient($img);$grad->FilledRectangle($pts[2],$pts[3],$pts[6],$pts[7],$this->plots[$j]->grad_fromcolor,$this->plots[$j]->grad_tocolor,$this->plots[$j]->grad_style);} else {if (is_array($this->plots[$j]->fill_color) ) {$numcolors = count($this->plots[$j]->fill_color);$img->SetColor($this->plots[$j]->fill_color[$i % $numcolors]);}else {$img->SetColor($this->plots[$j]->fill_color);}$img->FilledPolygon($pts);$img->SetColor($this->plots[$j]->color);}// Stroke the patternif( $this->plots[$j]->iPattern > -1 ) {if( $pattern===NULL )$pattern = new RectPatternFactory();$prect = $pattern->Create($this->plots[$j]->iPattern,$this->plots[$j]->iPatternColor,1);$prect->SetDensity($this->plots[$j]->iPatternDensity);if( $this->plots[$j]->coords[0][$i] < 0 ) {$rx = $pts[0];$ry = $pts[1];}else {$rx = $pts[2];$ry = $pts[3];}$width = abs($pts[4]-$pts[0])+1;$height = abs($pts[1]-$pts[3])+1;$prect->SetPos(new Rectangle($rx,$ry,$width,$height));$prect->Stroke($img);}// CSIM arrayif( $i < count($this->plots[$j]->csimtargets) ) {// Create the client side image map$rpts = $img->ArrRotate($pts);$csimcoord=round($rpts[0]).", ".round($rpts[1]);for( $k=1; $k < 4; ++$k){$csimcoord .= ", ".round($rpts[2*$k]).", ".round($rpts[2*$k+1]);}if( ! empty($this->plots[$j]->csimtargets[$i]) ) {$this->csimareas.= '<area shape="poly" coords="'.$csimcoord.'" ';$this->csimareas.= " href=\"".$this->plots[$j]->csimtargets[$i]."\"";$sval='';if( !empty($this->plots[$j]->csimalts[$i]) ) {$sval=sprintf($this->plots[$j]->csimalts[$i],$this->plots[$j]->coords[0][$i]);$this->csimareas .= " title=\"$sval\" ";}$this->csimareas .= " alt=\"$sval\" />\n";}}$pts[] = $pts[0];$pts[] = $pts[1];$img->Polygon($pts);}// Draw labels for each acc.bar$x=$pts[2]+($pts[4]-$pts[2])/2;if($this->bar_shadow) $x += $ssh;// First stroke the accumulated value for the entire bar// This value is always placed at the top/bottom of the barsif( $accy_neg < 0 ) {$y=$yscale->Translate($accy_neg);$this->value->Stroke($img,$accy_neg,$x,$y);}else {$y=$yscale->Translate($accy);$this->value->Stroke($img,$accy,$x,$y);}$accy = 0;$accy_neg = 0;for($j=0; $j < $this->nbrplots; ++$j ) {// We don't print 0 values in an accumulated bar plotif( $this->plots[$j]->coords[0][$i] == 0 ) continue;if ($this->plots[$j]->coords[0][$i] > 0) {$yt=$yscale->Translate($this->plots[$j]->coords[0][$i]+$accy);$accyt=$yscale->Translate($accy);if( $this->plots[$j]->valuepos=='center' ) {$y = $accyt-($accyt-$yt)/2;}elseif( $this->plots[$j]->valuepos=='bottom' ) {$y = $accyt;}else { // top or max$y = $accyt-($accyt-$yt);}$accy+=$this->plots[$j]->coords[0][$i];if( $this->plots[$j]->valuepos=='center' ) {$this->plots[$j]->value->SetAlign("center","center");$this->plots[$j]->value->SetMargin(0);}elseif( $this->plots[$j]->valuepos=='bottom' ) {$this->plots[$j]->value->SetAlign('center','bottom');$this->plots[$j]->value->SetMargin(2);}else {$this->plots[$j]->value->SetAlign('center','top');$this->plots[$j]->value->SetMargin(1);}} else {$yt=$yscale->Translate($this->plots[$j]->coords[0][$i]+$accy_neg);$accyt=$yscale->Translate($accy_neg);$accy_neg+=$this->plots[$j]->coords[0][$i];if( $this->plots[$j]->valuepos=='center' ) {$y = $accyt-($accyt-$yt)/2;}elseif( $this->plots[$j]->valuepos=='bottom' ) {$y = $accyt;}else {$y = $accyt-($accyt-$yt);}if( $this->plots[$j]->valuepos=='center' ) {$this->plots[$j]->value->SetAlign("center","center");$this->plots[$j]->value->SetMargin(0);}elseif( $this->plots[$j]->valuepos=='bottom' ) {$this->plots[$j]->value->SetAlign('center',$j==0 ? 'bottom':'top');$this->plots[$j]->value->SetMargin(-2);}else {$this->plots[$j]->value->SetAlign('center','bottom');$this->plots[$j]->value->SetMargin(-1);}}$this->plots[$j]->value->Stroke($img,$this->plots[$j]->coords[0][$i],$x,$y);}}return true;}} // Class/* EOF */?>