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]) ) $this->csimareas .= "csimtargets[$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]) ) $this->csimareas .= "csimtargets[$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) { $this->csimareas .= "middlecsimtarget."\""; if( !empty($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; $iimg->SetStartPoint($pts[1][count($pts[0])-1],$pts[2][count($pts[0])-1]); for ($j=0; $jimg->LineTo($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 */ ?>