| New file |
|---|
| 0,0 → 1,855 |
|---|
| <?php |
| /*======================================================================= |
| // File: JPGRAPH_PIE.PHP |
| // Description: Pie plot extension for JpGraph |
| // Created: 2001-02-14 |
| // Author: Johan Persson (johanp@aditus.nu) |
| // Ver: $Id: jpgraph_pie.php,v 1.1 2004/06/15 10:13:19 jpm Exp $ |
| // |
| // License: This code is released under QPL |
| // Copyright (C) 2001,2002 Johan Persson |
| //======================================================================== |
| */ |
| |
| |
| // Defines for PiePlot::SetLabelType() |
| DEFINE("PIE_VALUE_ABS",1); |
| DEFINE("PIE_VALUE_PER",0); |
| DEFINE("PIE_VALUE_PERCENTAGE",0); |
| |
| //=================================================== |
| // 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 $legendcsimalts = array(); |
| |
| //--------------- |
| // CONSTRUCTOR |
| function PiePlot($data) { |
| $this->data = array_reverse($data); |
| $this->title = new Text(""); |
| $this->title->SetFont(FF_FONT1,FS_BOLD); |
| $this->value = new DisplayValue(); |
| $this->value->Show(); |
| $this->value->SetFormat('%.1f%%'); |
| } |
| |
| //--------------- |
| // PUBLIC METHODS |
| function SetCenter($x,$y=0.5) { |
| $this->posx = $x; |
| $this->posy = $y; |
| } |
| |
| function SetColor($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; |
| |
| //add coordinates of the centre to the map |
| $coords = "$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; |
| 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]."\""; |
| if( !empty($this->csimalts[$i]) ) { |
| $tmp=sprintf($this->csimalts[$i],$this->data[$i]); |
| $this->csimareas .= " alt=\"$tmp\" title=\"$tmp\""; |
| } |
| $this->csimareas .= ">\n"; |
| } |
| |
| |
| function SetTheme($aTheme) { |
| if( in_array($aTheme,array_keys($this->themearr)) ) |
| $this->theme = $aTheme; |
| else |
| JpGraphError::Raise("PiePLot::SetTheme() Unknown theme: $aTheme"); |
| } |
| |
| function ExplodeSlice($e,$radius=20) { |
| $this->explode_radius[$e]=$radius; |
| } |
| |
| function ExplodeAll($radius=20) { |
| $this->explode_all=true; |
| $this->explode_r = $radius; |
| } |
| |
| function Explode($aExplodeArr) { |
| if( !is_array($aExplodeArr) ) { |
| JpGraphError::Raise("Argument to PiePlot::Explode() must be an array."); |
| } |
| $this->explode_radius = $aExplodeArr; |
| } |
| |
| function SetStartAngle($aStart) { |
| if( $aStart < 0 || $aStart > 360 ) { |
| JpGraphError::Raise('Slice start angle must be between 0 and 360 degrees.'); |
| } |
| $this->startangle = 360-$aStart; |
| } |
| |
| function SetFont($family,$style=FS_NORMAL,$size=10) { |
| JpGraphError::Raise('PiePlot::SetFont() is deprecated. Use PiePlot->value->SetFont() instead.'); |
| } |
| |
| // Size in percentage |
| function SetSize($aSize) { |
| if( ($aSize>0 && $aSize<=0.5) || ($aSize>10 && $aSize<1000) ) |
| $this->radius = $aSize; |
| else |
| JpGraphError::Raise("PiePlot::SetSize() Radius for pie must either be specified as a fraction |
| [0, 0.5] of the size of the image or as an absolute size in pixels |
| in the range [10, 1000]"); |
| } |
| |
| function SetFontColor($aColor) { |
| JpGraphError::Raise('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>1 ) |
| JpGraphError::Raise("PiePlot::SetLabelType() Type for pie plots must be 0 or 1 (not $t)."); |
| $this->labeltype=$t; |
| } |
| |
| 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); |
| else { |
| $this->setslicecolors = array_slice($this->setslicecolors,0,$n); |
| $numcolors=$n; |
| if( $graph->pieaa && get_class($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::Raise("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 != "" ) |
| $this->legends = array_reverse($this->legends); |
| for( $i=$n-1; $i >= 0; --$i ) { |
| $l = $this->legends[$i]; |
| // Replace possible format with actual values |
| if( $this->labeltype==0 ) { |
| $l = sprintf($l,100*$this->data[$i]/$sum); |
| } |
| else { |
| $l = sprintf($l,$this->data[$i]); |
| } |
| |
| $alt = sprintf($this->csimalts[$i],$this->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],$alt); |
| } |
| } |
| |
| function Stroke(&$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; |
| |
| $colors = array_keys($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)); |
| $numcolors=$n; |
| } |
| |
| // 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::Raise("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 ; |
| |
| $this->startangle = $this->startangle*M_PI/180; |
| |
| $n = count($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) { |
| $d = $this->data[$i]; |
| $angle1 = $angle2; |
| $accsum += $d; |
| $angle2 = $this->startangle+2*M_PI*$accsum/$sum; |
| if( empty($this->explode_radius[$i]) ) |
| $this->explode_radius[$i]=0; |
| |
| $la = 2*M_PI - (abs($angle2-$angle1)/2.0+$angle1); |
| $xcm = $xc + $this->explode_radius[$i]*cos($la)*$expscale; |
| $ycm = $yc - $this->explode_radius[$i]*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) { |
| $d = $this->data[$i]; |
| $angle1 = $angle2; |
| $accsum += $d; |
| $angle2 = $this->startangle+2*M_PI*$accsum/$sum; |
| |
| 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 : ""; |
| |
| $this->la[$i] = 2*M_PI - (abs($angle2-$angle1)/2.0+$angle1); |
| |
| if( empty($this->explode_radius[$i]) ) |
| $this->explode_radius[$i]=0; |
| |
| $xcm = $xc + $this->explode_radius[$i]*cos($this->la[$i])*$expscale; |
| $ycm = $yc - $this->explode_radius[$i]*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); |
| |
| } |
| |
| if( $this->value->show && $aaoption !== 1 ) { |
| // Format the titles for each slice |
| for( $i=0; $i < $n; ++$i) { |
| if( $this->labeltype==0 ) |
| if( $sum != 0 ) |
| $l = 100.0*$this->data[$i]/$sum; |
| else |
| $l = 0.0; |
| else |
| $l = $this->data[$i]*1.0; |
| if( isset($this->labels[$i]) && is_string($this->labels[$i]) ) |
| $this->labels[$i]=sprintf($this->labels[$i],$l); |
| else |
| $this->labels[$i]=$l; |
| } |
| |
| $this->StrokeAllLabels($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 StrokeAllLabels($img,$xc,$yc,$radius) { |
| $n = count($this->labels); |
| for($i=0; $i < $n; ++$i) { |
| $this->StrokeLabel($this->labels[$i],$img,$xc,$yc,$this->la[$i], |
| $radius + $this->explode_radius[$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. |
| $img->SetFont($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)); |
| |
| 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; |
| |
| // 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; |
| 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]); |
| $this->csimareas .= " alt=\"$tmp\" title=\"$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); |
| $this->midtitle->Pos($xc,$yc,'center','center'); |
| $this->midtitle->Stroke($img); |
| } |
| |
| } |
| |
| function AddMiddleCSIM($xc,$yc,$r) { |
| $this->csimareas .= "<area shape=\"circle\" coords=\"$xc,$yc,$r\" href=\"". |
| $this->middlecsimtarget."\""; |
| if( !empty($this->middlecsimalt) ) { |
| $tmp = $this->middlecsimalt; |
| $this->csimareas .= " alt=\"$tmp\" title=\"$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 { |
| 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 ) |
| $cl = get_class($aObj[0]); |
| else |
| $cl = get_class($aObj); |
| |
| if( $cl == 'text' ) |
| $this->AddText($aObj); |
| 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); |
| for ($i=0; $i<count($coords[0]); $i++) { |
| if ($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($pts[0])-1]); |
| for ($j=0; $j<count($pts[0]); $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*$h-1); |
| |
| for($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); |
| $this->plots[$i]->Legend($this); |
| } |
| |
| } |
| else { |
| |
| if( !$_csim ) { |
| if( $this->background_image != "" ) { |
| $this->StrokeFrameBackground(); |
| } |
| else { |
| $this->StrokeFrame(); |
| } |
| } |
| |
| for($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); |
| |
| if( !$_csim ) { |
| $this->StrokeTitles(); |
| |
| // 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(); |
| } |
| // 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 */ |
| ?> |