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<?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 */ |
?> |