--- a/lib/pChart2.1.0/class/pDraw.class.php
+++ b/lib/pChart2.1.0/class/pDraw.class.php
@@ -1,1 +1,4960 @@
-
+<?php
+ /*
+     pDraw - class extension with drawing methods
+
+     Version     : 2.1.0
+     Made by     : Jean-Damien POGOLOTTI
+     Last Update : 26/01/11
+
+     This file can be distributed under the license you can find at :
+
+                       http://www.pchart.net/license
+
+     You can find the whole class documentation on the pChart web site.
+ */
+
+ define("DIRECTION_VERTICAL"		, 690001);
+ define("DIRECTION_HORIZONTAL"		, 690002);
+
+ define("SCALE_POS_LEFTRIGHT"		, 690101);
+ define("SCALE_POS_TOPBOTTOM"		, 690102);
+
+ define("SCALE_MODE_FLOATING"		, 690201);
+ define("SCALE_MODE_START0"		, 690202);
+ define("SCALE_MODE_ADDALL"		, 690203);
+ define("SCALE_MODE_ADDALL_START0"	, 690204);
+ define("SCALE_MODE_MANUAL"		, 690205);
+
+ define("SCALE_SKIP_NONE"		, 690301);
+ define("SCALE_SKIP_SAME"		, 690302);
+ define("SCALE_SKIP_NUMBERS"		, 690303);
+
+ define("TEXT_ALIGN_TOPLEFT"		, 690401);
+ define("TEXT_ALIGN_TOPMIDDLE"		, 690402);
+ define("TEXT_ALIGN_TOPRIGHT"		, 690403);
+ define("TEXT_ALIGN_MIDDLELEFT"		, 690404);
+ define("TEXT_ALIGN_MIDDLEMIDDLE"	, 690405);
+ define("TEXT_ALIGN_MIDDLERIGHT"	, 690406);
+ define("TEXT_ALIGN_BOTTOMLEFT"		, 690407);
+ define("TEXT_ALIGN_BOTTOMMIDDLE"	, 690408);
+ define("TEXT_ALIGN_BOTTOMRIGHT"	, 690409);
+
+ define("POSITION_TOP"                  , 690501);
+ define("POSITION_BOTTOM"               , 690502);
+
+ define("LABEL_POS_LEFT"		, 690601);
+ define("LABEL_POS_CENTER"		, 690602);
+ define("LABEL_POS_RIGHT"		, 690603);
+ define("LABEL_POS_TOP"			, 690604);
+ define("LABEL_POS_BOTTOM"		, 690605);
+ define("LABEL_POS_INSIDE"		, 690606);
+ define("LABEL_POS_OUTSIDE"		, 690607);
+
+ define("ORIENTATION_HORIZONTAL"	, 690701);
+ define("ORIENTATION_VERTICAL"		, 690702);
+
+ define("LEGEND_NOBORDER"		, 690800);
+ define("LEGEND_BOX"			, 690801);
+ define("LEGEND_ROUND"			, 690802);
+
+ define("LEGEND_VERTICAL"		, 690901);
+ define("LEGEND_HORIZONTAL"		, 690902);
+
+ define("LEGEND_FAMILY_BOX"		, 691051);
+ define("LEGEND_FAMILY_CIRCLE"		, 691052);
+ define("LEGEND_FAMILY_LINE"		, 691053);
+
+ define("DISPLAY_AUTO"			, 691001);
+ define("DISPLAY_MANUAL"		, 691002);
+
+ define("LABELING_ALL"			, 691011);
+ define("LABELING_DIFFERENT"		, 691012);
+
+ define("BOUND_MIN"			, 691021);
+ define("BOUND_MAX"			, 691022);
+ define("BOUND_BOTH"			, 691023);
+
+ define("BOUND_LABEL_POS_TOP"		, 691031);
+ define("BOUND_LABEL_POS_BOTTOM"	, 691032);
+ define("BOUND_LABEL_POS_AUTO"		, 691033);
+
+ define("CAPTION_LEFT_TOP"		, 691041);
+ define("CAPTION_RIGHT_BOTTOM"		, 691042);
+
+ define("GRADIENT_SIMPLE"		, 691051);
+ define("GRADIENT_EFFECT_CAN"		, 691052);
+
+ define("PI"		, 3.14159265);
+ define("ALL"		, 69);
+ define("NONE"		, 31);
+ define("AUTO"		, 690000);
+ define("OUT_OF_SIGHT"	, -10000000000000);
+
+ class pDraw
+  {
+   /* Returns the number of drawable series */
+   function countDrawableSeries()
+    {
+     $Results = 0;
+     $Data = $this->DataSet->getData();
+
+     foreach($Data["Series"] as $SerieName => $Serie)
+      { if ( $Serie["isDrawable"] == TRUE && $SerieName != $Data["Abscissa"] ) { $Results++; } }
+
+     return($Results);
+    }
+
+   /* Fix box coordinates */
+   function fixBoxCoordinates($Xa,$Ya,$Xb,$Yb)
+    {
+     $X1 = min($Xa,$Xb); $Y1 = min($Ya,$Yb);
+     $X2 = max($Xa,$Xb); $Y2 = max($Ya,$Yb);
+
+     return(array($X1,$Y1,$X2,$Y2));
+    }
+
+   /* Draw a polygon */
+   function drawPolygon($Points,$Format="")
+    {
+     $R			= isset($Format["R"]) ? $Format["R"] : 0;
+     $G			= isset($Format["G"]) ? $Format["G"] : 0;
+     $B			= isset($Format["B"]) ? $Format["B"] : 0;
+     $Alpha		= isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
+     $NoBorder		= isset($Format["NoBorder"]) ? $Format["NoBorder"] : FALSE;
+     $BorderR		= isset($Format["BorderR"]) ? $Format["BorderR"] : $R;
+     $BorderG		= isset($Format["BorderG"]) ? $Format["BorderG"] : $G;
+     $BorderB		= isset($Format["BorderB"]) ? $Format["BorderB"] : $B;
+     $BorderAlpha 	= isset($Format["Alpha"]) ? $Format["Alpha"] : $Alpha / 2;
+     $Surrounding	= isset($Format["Surrounding"]) ? $Format["Surrounding"] : NULL;
+     $SkipX		= isset($Format["SkipX"]) ? $Format["SkipX"] : OUT_OF_SIGHT;
+     $SkipY		= isset($Format["SkipY"]) ? $Format["SkipY"] : OUT_OF_SIGHT;
+
+     /* Calling the ImageFilledPolygon() function over the $Points array will round it */ 	
+     $Backup = $Points;
+
+     if ( $Surrounding != NULL ) { $BorderR = $R+$Surrounding; $BorderG = $G+$Surrounding; $BorderB = $B+$Surrounding; }
+
+     if ( $SkipX != OUT_OF_SIGHT ) { $SkipX = floor($SkipX); }
+     if ( $SkipY != OUT_OF_SIGHT ) { $SkipY = floor($SkipY); }
+
+     $RestoreShadow = $this->Shadow;
+     if ( $this->Shadow && $this->ShadowX != 0 && $this->ShadowY != 0 )
+      {
+       $this->Shadow = FALSE;
+       for($i=0;$i<=count($Points)-1;$i=$i+2)
+        { $Shadow[] = $Points[$i] + $this->ShadowX; $Shadow[] = $Points[$i+1] + $this->ShadowY; }
+       $this->drawPolygon($Shadow,array("R"=>$this->ShadowR,"G"=>$this->ShadowG,"B"=>$this->ShadowB,"Alpha"=>$this->Shadowa,"NoBorder"=>TRUE));
+      }
+
+     $FillColor = $this->allocateColor($this->Picture,$R,$G,$B,$Alpha);
+
+     if ( count($Points) >= 6 )
+      { ImageFilledPolygon($this->Picture,$Points,count($Points)/2,$FillColor); }
+
+     if ( !$NoBorder )
+      {
+       $Points = $Backup;
+
+       $BorderSettings = array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$BorderAlpha);
+       for($i=0;$i<=count($Points)-1;$i=$i+2)
+        {
+         if ( isset($Points[$i+2]) )
+          {
+           if ( !($Points[$i] == $Points[$i+2] && $Points[$i] == $SkipX ) && !($Points[$i+1] == $Points[$i+3] && $Points[$i+1] == $SkipY ) )
+            $this->drawLine($Points[$i],$Points[$i+1],$Points[$i+2],$Points[$i+3],$BorderSettings);
+          }
+         else
+          {
+           if ( !($Points[$i] == $Points[0] && $Points[$i] == $SkipX ) && !($Points[$i+1] == $Points[1] && $Points[$i+1] == $SkipY ) )
+            $this->drawLine($Points[$i],$Points[$i+1],$Points[0],$Points[1],$BorderSettings);
+          }
+        }
+      }
+
+     $this->Shadow = $RestoreShadow;
+    }
+
+   /* Apply AALias correction to the rounded box boundaries */
+   function offsetCorrection($Value,$Mode)
+    {
+     $Value = round($Value,1);
+
+     if ( $Value == 0 && $Mode == 1 ) { return(.9); }
+     if ( $Value == 0 ) { return(0); }
+
+     if ( $Mode == 1) 
+      { if ( $Value == 1 ) { return(.9); }; if ( $Value == .1 ) { return(.9); }; if ( $Value == .2 ) { return(.8); }; if ( $Value == .3 ) { return(.8); }; if ( $Value == .4 ) { return(.7); }; if ( $Value == .5 ) { return(.5); }; if ( $Value == .6 ) { return(.8); }; if ( $Value == .7 ) { return(.7); }; if ( $Value == .8 ) { return(.6); }; if ( $Value == .9 ) { return(.9); }; }
+
+     if ( $Mode == 2) 
+      { if ( $Value == 1 ) { return(.9); }; if ( $Value == .1 ) { return(.1); }; if ( $Value == .2 ) { return(.2); }; if ( $Value == .3 ) { return(.3); }; if ( $Value == .4 ) { return(.4); }; if ( $Value == .5 ) { return(.5); }; if ( $Value == .6 ) { return(.8); }; if ( $Value == .7 ) { return(.7); }; if ( $Value == .8 ) { return(.8); }; if ( $Value == .9 ) { return(.9); }; }
+
+     if ( $Mode == 3) 
+      { if ( $Value == 1 ) { return(.1); }; if ( $Value == .1 ) { return(.1); }; if ( $Value == .2 ) { return(.2); }; if ( $Value == .3 ) { return(.3); }; if ( $Value == .4 ) { return(.4); }; if ( $Value == .5 ) { return(.9); }; if ( $Value == .6 ) { return(.6); }; if ( $Value == .7 ) { return(.7); }; if ( $Value == .8 ) { return(.4); }; if ( $Value == .9 ) { return(.5); }; }
+
+     if ( $Mode == 4) 
+      { if ( $Value == 1 ) { return(-1); }; if ( $Value == .1 ) { return(.1); }; if ( $Value == .2 ) { return(.2); }; if ( $Value == .3 ) { return(.3); }; if ( $Value == .4 ) { return(.1); }; if ( $Value == .5 ) { return(-.1); }; if ( $Value == .6 ) { return(.8); }; if ( $Value == .7 ) { return(.1); }; if ( $Value == .8 ) { return(.1); }; if ( $Value == .9 ) { return(.1); }; }
+    }
+
+   /* Draw a rectangle with rounded corners */
+   function drawRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,$Format="")
+    {
+     $R	    = isset($Format["R"]) ? $Format["R"] : 0;
+     $G	    = isset($Format["G"]) ? $Format["G"] : 0;
+     $B	    = isset($Format["B"]) ? $Format["B"] : 0;
+     $Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
+
+     list($X1,$Y1,$X2,$Y2) = $this->fixBoxCoordinates($X1,$Y1,$X2,$Y2);
+
+     if ( $X2 - $X1 < $Radius ) { $Radius = floor((($X2-$X1))/2); }
+     if ( $Y2 - $Y1 < $Radius ) { $Radius = floor((($Y2-$Y1))/2); }
+
+     $Color = array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"NoBorder"=>TRUE);
+
+     if ( $Radius <= 0 ) { $this->drawRectangle($X1,$Y1,$X2,$Y2,$Color); return(0); }
+
+     if ( $this->Antialias )
+      {
+       $this->drawLine($X1+$Radius,$Y1,$X2-$Radius,$Y1,$Color);
+       $this->drawLine($X2,$Y1+$Radius,$X2,$Y2-$Radius,$Color);
+       $this->drawLine($X2-$Radius,$Y2,$X1+$Radius,$Y2,$Color);
+       $this->drawLine($X1,$Y1+$Radius,$X1,$Y2-$Radius,$Color);
+      }
+     else
+      {
+       $Color = $this->allocateColor($this->Picture,$R,$G,$B,$Alpha);
+       imageline($this->Picture,$X1+$Radius,$Y1,$X2-$Radius,$Y1,$Color);
+       imageline($this->Picture,$X2,$Y1+$Radius,$X2,$Y2-$Radius,$Color);
+       imageline($this->Picture,$X2-$Radius,$Y2,$X1+$Radius,$Y2,$Color);
+       imageline($this->Picture,$X1,$Y1+$Radius,$X1,$Y2-$Radius,$Color);
+      }
+
+     $Step = 360 / (2 * PI * $Radius);
+     for($i=0;$i<=90;$i=$i+$Step)
+      {
+       $X = cos(($i+180)*PI/180) * $Radius + $X1 + $Radius;
+       $Y = sin(($i+180)*PI/180) * $Radius + $Y1 + $Radius;
+       $this->drawAntialiasPixel($X,$Y,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha));
+
+       $X = cos(($i+90)*PI/180) * $Radius + $X1 + $Radius;
+       $Y = sin(($i+90)*PI/180) * $Radius + $Y2 - $Radius;
+       $this->drawAntialiasPixel($X,$Y,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha));
+
+       $X = cos($i*PI/180) * $Radius + $X2 - $Radius;
+       $Y = sin($i*PI/180) * $Radius + $Y2 - $Radius;
+       $this->drawAntialiasPixel($X,$Y,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha));
+
+       $X = cos(($i+270)*PI/180) * $Radius + $X2 - $Radius;
+       $Y = sin(($i+270)*PI/180) * $Radius + $Y1 + $Radius;
+       $this->drawAntialiasPixel($X,$Y,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha));
+      }
+    }
+
+   /* Draw a rectangle with rounded corners */
+   function drawRoundedFilledRectangle($X1,$Y1,$X2,$Y2,$Radius,$Format="")
+    {
+     $R			= isset($Format["R"]) ? $Format["R"] : 0;
+     $G			= isset($Format["G"]) ? $Format["G"] : 0;
+     $B			= isset($Format["B"]) ? $Format["B"] : 0;
+     $BorderR		= isset($Format["BorderR"]) ? $Format["BorderR"] : -1;
+     $BorderG		= isset($Format["BorderG"]) ? $Format["BorderG"] : -1;
+     $BorderB		= isset($Format["BorderB"]) ? $Format["BorderB"] : -1;
+     $Alpha		= isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
+     $Surrounding	= isset($Format["Surrounding"]) ? $Format["Surrounding"] : NULL;
+
+     if ( $Surrounding != NULL ) { $BorderR = $R+$Surrounding; $BorderG = $G+$Surrounding; $BorderB = $B+$Surrounding; }
+     if ( $BorderR == -1 ) { $BorderR = $R; $BorderG = $G; $BorderB = $B; }
+
+     list($X1,$Y1,$X2,$Y2) = $this->fixBoxCoordinates($X1,$Y1,$X2,$Y2);
+
+     if ( $X2 - $X1 < $Radius ) { $Radius = floor((($X2-$X1))/2); }
+     if ( $Y2 - $Y1 < $Radius ) { $Radius = floor((($Y2-$Y1))/2); }
+
+     $RestoreShadow = $this->Shadow;
+     if ( $this->Shadow && $this->ShadowX != 0 && $this->ShadowY != 0 )
+      {
+       $this->Shadow = FALSE;
+       $this->drawRoundedFilledRectangle($X1+$this->ShadowX,$Y1+$this->ShadowY,$X2+$this->ShadowX,$Y2+$this->ShadowY,$Radius,array("R"=>$this->ShadowR,"G"=>$this->ShadowG,"B"=>$this->ShadowB,"Alpha"=>$this->Shadowa));
+      }
+
+     $Color = array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"NoBorder"=>TRUE);
+
+     if ( $Radius <= 0 ) { $this->drawFilledRectangle($X1,$Y1,$X2,$Y2,$Color); return(0); }
+
+     $YTop    = $Y1+$Radius;
+     $YBottom = $Y2-$Radius;
+
+     $Step = 360 / (2 * PI * $Radius);
+     $Positions = ""; $Radius--; $MinY = ""; $MaxY = "";
+     for($i=0;$i<=90;$i=$i+$Step)
+      {
+       $Xp1 = cos(($i+180)*PI/180) * $Radius + $X1 + $Radius;
+       $Xp2 = cos(((90-$i)+270)*PI/180) * $Radius + $X2 - $Radius;
+       $Yp  = floor(sin(($i+180)*PI/180) * $Radius + $YTop);
+       if ( $MinY == "" || $Yp > $MinY ) { $MinY = $Yp; }
+
+       if ( !isset($Positions[$Yp]) )
+        { $Positions[$Yp]["X1"] = $Xp1; $Positions[$Yp]["X2"] = $Xp2; }
+       else
+        { $Positions[$Yp]["X1"] = min($Positions[$Yp]["X1"],$Xp1); $Positions[$Yp]["X2"] = max($Positions[$Yp]["X2"],$Xp2); }
+
+       $Xp1 = cos(($i+90)*PI/180) * $Radius + $X1 + $Radius;
+       $Xp2 = cos((90-$i)*PI/180) * $Radius + $X2 - $Radius;
+       $Yp  = floor(sin(($i+90)*PI/180) * $Radius + $YBottom);
+       if ( $MaxY == "" || $Yp < $MaxY ) { $MaxY = $Yp; }
+
+       if ( !isset($Positions[$Yp]["Bottom"]) )
+        { $Positions[$Yp]["X1"] = $Xp1; $Positions[$Yp]["X2"] = $Xp2; }
+       else
+        { $Positions[$Yp]["X1"] = min($Positions[$Yp]["X1"],$Xp1); $Positions[$Yp]["X2"] = max($Positions[$Yp]["X2"],$Xp2); }
+      }
+
+     $ManualColor  = $this->allocateColor($this->Picture,$R,$G,$B,$Alpha);
+     foreach($Positions as $Yp => $Bounds)
+      {
+       $X1 = $Bounds["X1"]; $X1Dec = $this->getFirstDecimal($X1); if ( $X1Dec != 0 ) { $X1 = floor($X1)+1; }
+       $X2 = $Bounds["X2"]; $X2Dec = $this->getFirstDecimal($X2); if ( $X2Dec != 0 ) { $X2 = floor($X2)-1; }
+
+       imageline($this->Picture,$X1,$Yp,$X2,$Yp,$ManualColor);
+      }
+     $this->drawFilledRectangle($X1,$MinY+1,floor($X2),$MaxY-1,$Color);
+
+     $Radius++;
+     $this->drawRoundedRectangle($X1,$Y1,$X2+1,$Y2-1,$Radius,array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$Alpha));
+
+     $this->Shadow = $RestoreShadow;
+    }
+
+   /* Draw a rectangle with rounded corners */
+   function drawRoundedFilledRectangle_deprecated($X1,$Y1,$X2,$Y2,$Radius,$Format="")
+    {
+     $R			= isset($Format["R"]) ? $Format["R"] : 0;
+     $G			= isset($Format["G"]) ? $Format["G"] : 0;
+     $B			= isset($Format["B"]) ? $Format["B"] : 0;
+     $BorderR		= isset($Format["BorderR"]) ? $Format["BorderR"] : -1;
+     $BorderG		= isset($Format["BorderG"]) ? $Format["BorderG"] : -1;
+     $BorderB		= isset($Format["BorderB"]) ? $Format["BorderB"] : -1;
+     $Alpha		= isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
+     $Surrounding	= isset($Format["Surrounding"]) ? $Format["Surrounding"] : NULL;
+
+     if ( $Surrounding != NULL ) { $BorderR = $R+$Surrounding; $BorderG = $G+$Surrounding; $BorderB = $B+$Surrounding; }
+     if ( $BorderR == -1 ) { $BorderR = $R; $BorderG = $G; $BorderB = $B; }
+
+     list($X1,$Y1,$X2,$Y2) = $this->fixBoxCoordinates($X1,$Y1,$X2,$Y2);
+
+     if ( $X2 - $X1 < $Radius ) { $Radius = floor((($X2-$X1)+2)/2); }
+     if ( $Y2 - $Y1 < $Radius ) { $Radius = floor((($Y2-$Y1)+2)/2); }
+
+     $RestoreShadow = $this->Shadow;
+     if ( $this->Shadow && $this->ShadowX != 0 && $this->ShadowY != 0 )
+      {
+       $this->Shadow = FALSE;
+       $this->drawRoundedFilledRectangle($X1+$this->ShadowX,$Y1+$this->ShadowY,$X2+$this->ShadowX,$Y2+$this->ShadowY,$Radius,array("R"=>$this->ShadowR,"G"=>$this->ShadowG,"B"=>$this->ShadowB,"Alpha"=>$this->Shadowa));
+      }
+
+     if ( $this->getFirstDecimal($X2) >= 5 )  { $XOffset2 = 1; } else { $XOffset2 = 0; }
+     if ( $this->getFirstDecimal($X1) <= 5 )  { $XOffset1 = 1; } else { $XOffset1 = 0; }
+
+     if ( !$this->Antialias ) { $XOffset1 = 1; $XOffset2 = 1; }
+
+     $YTop    = floor($Y1+$Radius);
+     $YBottom = floor($Y2-$Radius);
+
+     $this->drawFilledRectangle($X1-$XOffset1,$YTop,$X2+$XOffset2,$YBottom,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"NoBorder"=>TRUE));
+
+     $Step = 360 / (2 * PI * $Radius);
+     $Color  = $this->allocateColor($this->Picture,$R,$G,$B,$Alpha);
+     $Color2 = $this->allocateColor($this->Picture,255,0,0,$Alpha);
+     $Drawn = "";
+
+     if ( $Alpha < 100 )  { $Drawn[$YTop] = FALSE; }
+     if ( $Alpha < 100 )  { $Drawn[$YBottom] = TRUE; }
+     
+     for($i=0;$i<=90;$i=$i+$Step)
+      {
+       $Xp1 = cos(($i+180)*PI/180) * $Radius + $X1 + $Radius;
+       $Xp2 = cos(((90-$i)+270)*PI/180) * $Radius + $X2 - $Radius;
+       $Yp  = sin(($i+180)*PI/180) * $Radius + $YTop;
+
+       if ( $this->getFirstDecimal($Xp1) > 5 )  { $XOffset1 = 1; } else { $XOffset1 = 0; }
+       if ( $this->getFirstDecimal($Xp2) > 5 )  { $XOffset2 = 1; } else { $XOffset2 = 0; }
+       if ( $this->getFirstDecimal($Yp) > 5 )  { $YOffset = 1; } else { $YOffset = 0; }
+
+       if ( !isset($Drawn[$Yp+$YOffset]) || $Alpha == 100 )
+        imageline($this->Picture,$Xp1+$XOffset1,$Yp+$YOffset,$Xp2+$XOffset2,$Yp+$YOffset,$Color);
+
+       $Drawn[$Yp+$YOffset] = $Xp2;
+
+       $Xp1 = cos(($i+90)*PI/180) * $Radius + $X1 + $Radius;
+       $Xp2 = cos((90-$i)*PI/180) * $Radius + $X2 - $Radius;
+       $Yp  = sin(($i+90)*PI/180) * $Radius + $YBottom;
+
+       if ( $this->getFirstDecimal($Xp1) > 7 )  { $XOffset1 = 1; } else { $XOffset1 = 0; }
+       if ( $this->getFirstDecimal($Xp2) > 7 )  { $XOffset2 = 1; } else { $XOffset2 = 0; }
+       if ( $this->getFirstDecimal($Yp) > 5 )  { $YOffset = 1; } else { $YOffset = 0; }
+
+       if ( !isset($Drawn[$Yp+$YOffset]) || $Alpha == 100 )
+        imageline($this->Picture,$Xp1+$XOffset1,$Yp+$YOffset,$Xp2+$XOffset2,$Yp+$YOffset,$Color);
+
+       $Drawn[$Yp+$YOffset] = $Xp2;
+      }
+
+     $this->drawRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$Alpha));
+
+     $this->Shadow = $RestoreShadow;
+    }
+
+   /* Draw a rectangle */
+   function drawRectangle($X1,$Y1,$X2,$Y2,$Format="")
+    {
+     $R		= isset($Format["R"]) ? $Format["R"] : 0;
+     $G		= isset($Format["G"]) ? $Format["G"] : 0;
+     $B		= isset($Format["B"]) ? $Format["B"] : 0;
+     $Alpha	= isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
+     $Ticks	= isset($Format["Ticks"]) ? $Format["Ticks"] : NULL;
+     $NoAngle	= isset($Format["NoAngle"]) ? $Format["NoAngle"] : FALSE;
+
+     if ($X1 > $X2) { list($X1, $X2) = array($X2, $X1); }
+     if ($Y1 > $Y2) { list($Y1, $Y2) = array($Y2, $Y1); }
+
+     if ( $this->Antialias )
+      {
+       if ( $NoAngle )
+        {
+         $this->drawLine($X1+1,$Y1,$X2-1,$Y1,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Ticks"=>$Ticks));
+         $this->drawLine($X2,$Y1+1,$X2,$Y2-1,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Ticks"=>$Ticks));
+         $this->drawLine($X2-1,$Y2,$X1+1,$Y2,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Ticks"=>$Ticks));
+         $this->drawLine($X1,$Y1+1,$X1,$Y2-1,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Ticks"=>$Ticks));
+        }
+       else
+        {
+         $this->drawLine($X1+1,$Y1,$X2-1,$Y1,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Ticks"=>$Ticks));
+         $this->drawLine($X2,$Y1,$X2,$Y2,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Ticks"=>$Ticks));
+         $this->drawLine($X2-1,$Y2,$X1+1,$Y2,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Ticks"=>$Ticks));
+         $this->drawLine($X1,$Y1,$X1,$Y2,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Ticks"=>$Ticks));
+        }
+      }
+     else
+      {
+       $Color = $this->allocateColor($this->Picture,$R,$G,$B,$Alpha);
+       imagerectangle($this->Picture,$X1,$Y1,$X2,$Y2,$Color);
+      }
+    }
+
+   /* Draw a filled rectangle */
+   function drawFilledRectangle($X1,$Y1,$X2,$Y2,$Format="")
+    {
+     $R			= isset($Format["R"]) ? $Format["R"] : 0;
+     $G			= isset($Format["G"]) ? $Format["G"] : 0;
+     $B			= isset($Format["B"]) ? $Format["B"] : 0;
+     $Alpha		= isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
+     $BorderR		= isset($Format["BorderR"]) ? $Format["BorderR"] : -1;
+     $BorderG		= isset($Format["BorderG"]) ? $Format["BorderG"] : -1;
+     $BorderB		= isset($Format["BorderB"]) ? $Format["BorderB"] : -1;
+     $BorderAlpha	= isset($Format["BorderAlpha"]) ? $Format["BorderAlpha"] : $Alpha;
+     $Surrounding	= isset($Format["Surrounding"]) ? $Format["Surrounding"] : NULL;
+     $Ticks		= isset($Format["Ticks"]) ? $Format["Ticks"] : NULL;
+     $NoAngle		= isset($Format["NoAngle"]) ? $Format["NoAngle"] : NULL;
+     $Dash		= isset($Format["Dash"]) ? $Format["Dash"] : FALSE;
+     $DashStep		= isset($Format["DashStep"]) ? $Format["DashStep"] : 4;
+     $DashR		= isset($Format["DashR"]) ? $Format["DashR"] : 0;
+     $DashG		= isset($Format["DashG"]) ? $Format["DashG"] : 0;
+     $DashB		= isset($Format["DashB"]) ? $Format["DashB"] : 0;
+     $NoBorder		= isset($Format["NoBorder"]) ? $Format["NoBorder"] : FALSE;
+
+     if ( $Surrounding != NULL ) { $BorderR = $R+$Surrounding; $BorderG = $G+$Surrounding; $BorderB = $B+$Surrounding; }
+
+     if ($X1 > $X2) { list($X1, $X2) = array($X2, $X1); }
+     if ($Y1 > $Y2) { list($Y1, $Y2) = array($Y2, $Y1); }
+
+     $RestoreShadow = $this->Shadow;
+     if ( $this->Shadow && $this->ShadowX != 0 && $this->ShadowY != 0 )
+      {
+       $this->Shadow = FALSE;
+       $this->drawFilledRectangle($X1+$this->ShadowX,$Y1+$this->ShadowY,$X2+$this->ShadowX,$Y2+$this->ShadowY,array("R"=>$this->ShadowR,"G"=>$this->ShadowG,"B"=>$this->ShadowB,"Alpha"=>$this->Shadowa,"Ticks"=>$Ticks,"NoAngle"=>$NoAngle));
+      }
+
+     $Color = $this->allocateColor($this->Picture,$R,$G,$B,$Alpha);
+     if ( $NoAngle )
+      {
+       imagefilledrectangle($this->Picture,ceil($X1)+1,ceil($Y1),floor($X2)-1,floor($Y2),$Color);
+       imageline($this->Picture,ceil($X1),ceil($Y1)+1,ceil($X1),floor($Y2)-1,$Color);
+       imageline($this->Picture,floor($X2),ceil($Y1)+1,floor($X2),floor($Y2)-1,$Color);
+      }
+     else
+      imagefilledrectangle($this->Picture,ceil($X1),ceil($Y1),floor($X2),floor($Y2),$Color);
+
+     if ( $Dash )
+      {
+       if ( $BorderR != -1 ) { $iX1=$X1+1; $iY1=$Y1+1; $iX2=$X2-1; $iY2=$Y2-1; } else { $iX1=$X1; $iY1=$Y1; $iX2=$X2; $iY2=$Y2; }
+
+       $Color = $this->allocateColor($this->Picture,$DashR,$DashG,$DashB,$Alpha);
+       $Y=$iY1-$DashStep;
+       for($X=$iX1; $X<=$iX2+($iY2-$iY1); $X=$X+$DashStep)
+        {
+         $Y=$Y+$DashStep;
+         if ( $X > $iX2 ) { $Xa = $X-($X-$iX2); $Ya = $iY1+($X-$iX2); } else { $Xa = $X; $Ya = $iY1; }
+         if ( $Y > $iY2 ) { $Xb = $iX1+($Y-$iY2); $Yb = $Y-($Y-$iY2); } else { $Xb = $iX1; $Yb = $Y; }
+         imageline($this->Picture,$Xa,$Ya,$Xb,$Yb,$Color);
+        }
+      }
+
+     if ( $this->Antialias && !$NoBorder )
+      {
+       if ( $X1 < ceil($X1) )
+        {
+         $AlphaA = $Alpha * (ceil($X1) - $X1);
+         $Color = $this->allocateColor($this->Picture,$R,$G,$B,$AlphaA);
+         imageline($this->Picture,ceil($X1)-1,ceil($Y1),ceil($X1)-1,floor($Y2),$Color);
+        }
+
+       if ( $Y1 < ceil($Y1) )
+        {
+         $AlphaA = $Alpha * (ceil($Y1) - $Y1);
+         $Color = $this->allocateColor($this->Picture,$R,$G,$B,$AlphaA);
+         imageline($this->Picture,ceil($X1),ceil($Y1)-1,floor($X2),ceil($Y1)-1,$Color);
+        }
+
+       if ( $X2 > floor($X2) )
+        {
+         $AlphaA = $Alpha * (.5-($X2 - floor($X2)));
+         $Color = $this->allocateColor($this->Picture,$R,$G,$B,$AlphaA);
+         imageline($this->Picture,floor($X2)+1,ceil($Y1),floor($X2)+1,floor($Y2),$Color);
+        } 
+
+       if ( $Y2 > floor($Y2) )
+        {
+         $AlphaA = $Alpha * (.5-($Y2 - floor($Y2)));
+         $Color = $this->allocateColor($this->Picture,$R,$G,$B,$AlphaA);
+         imageline($this->Picture,ceil($X1),floor($Y2)+1,floor($X2),floor($Y2)+1,$Color);
+        }
+      }
+
+     if ( $BorderR != -1 )
+      $this->drawRectangle($X1,$Y1,$X2,$Y2,array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$BorderAlpha,"Ticks"=>$Ticks,"NoAngle"=>$NoAngle));
+
+     $this->Shadow = $RestoreShadow;
+    }
+
+   /* Draw a rectangular marker of the specified size */
+   function drawRectangleMarker($X,$Y,$Format="")
+    {
+     $Size = isset($Format["Size"]) ? $Format["Size"] : 4;
+
+     $HalfSize = floor($Size/2);
+     $this->drawFilledRectangle($X-$HalfSize,$Y-$HalfSize,$X+$HalfSize,$Y+$HalfSize,$Format);
+    }
+
+   /* Drawn a spline based on the bezier function */
+   function drawSpline($Coordinates,$Format="")
+    {
+     $R		= isset($Format["R"]) ? $Format["R"] : 0;
+     $G		= isset($Format["G"]) ? $Format["G"] : 0;
+     $B		= isset($Format["B"]) ? $Format["B"] : 0;
+     $Alpha	= isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
+     $Force	= isset($Format["Force"]) ? $Format["Force"] : 30;
+     $Forces	= isset($Format["Forces"]) ? $Format["Forces"] : NULL;
+     $ShowC	= isset($Format["ShowControl"]) ? $Format["ShowControl"] : FALSE;
+     $Ticks	= isset($Format["Ticks"]) ? $Format["Ticks"] : NULL;
+     $PathOnly	= isset($Format["PathOnly"]) ? $Format["PathOnly"] : FALSE;
+     $Weight	= isset($Format["Weight"]) ? $Format["Weight"] : NULL;
+
+     $Cpt = NULL; $Mode = NULL; $Result = "";
+     for($i=1;$i<=count($Coordinates)-1;$i++)
+      {
+       $X1 = $Coordinates[$i-1][0]; $Y1 = $Coordinates[$i-1][1];
+       $X2 = $Coordinates[$i][0];   $Y2 = $Coordinates[$i][1];
+
+       if ( $Forces != NULL ) { $Force = $Forces[$i]; }
+
+       /* First segment */
+       if ( $i == 1 )
+        { $Xv1 = $X1; $Yv1 = $Y1; }
+       else
+        {
+         $Angle1 = $this->getAngle($XLast,$YLast,$X1,$Y1);
+         $Angle2 = $this->getAngle($X1,$Y1,$X2,$Y2);
+         $XOff = cos($Angle2 * PI / 180) * $Force + $X1;
+         $YOff = sin($Angle2 * PI / 180) * $Force + $Y1;
+
+         $Xv1 = cos($Angle1 * PI / 180) * $Force + $XOff;
+         $Yv1 = sin($Angle1 * PI / 180) * $Force + $YOff;
+        }
+
+       /* Last segment */
+       if ( $i == count($Coordinates)-1 )
+        { $Xv2 = $X2; $Yv2 = $Y2; }
+       else
+        {
+         $Angle1 = $this->getAngle($X2,$Y2,$Coordinates[$i+1][0],$Coordinates[$i+1][1]);
+         $Angle2 = $this->getAngle($X1,$Y1,$X2,$Y2);
+         $XOff = cos(($Angle2+180) * PI / 180) * $Force + $X2;
+         $YOff = sin(($Angle2+180) * PI / 180) * $Force + $Y2;
+
+         $Xv2 = cos(($Angle1+180) * PI / 180) * $Force + $XOff;
+         $Yv2 = sin(($Angle1+180) * PI / 180) * $Force + $YOff;
+        }
+
+       $Path = $this->drawBezier($X1,$Y1,$X2,$Y2,$Xv1,$Yv1,$Xv2,$Yv2,$Format);
+       if ($PathOnly) { $Result[] = $Path; }
+
+       $XLast = $X1; $YLast = $Y1;
+      }
+
+     return($Result);
+    }
+
+   /* Draw a bezier curve with two controls points */
+   function drawBezier($X1,$Y1,$X2,$Y2,$Xv1,$Yv1,$Xv2,$Yv2,$Format="")
+    {
+     $R		= isset($Format["R"]) ? $Format["R"] : 0;
+     $G		= isset($Format["G"]) ? $Format["G"] : 0;
+     $B		= isset($Format["B"]) ? $Format["B"] : 0;
+     $Alpha	= isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
+     $ShowC	= isset($Format["ShowControl"]) ? $Format["ShowControl"] : FALSE;
+     $Segments	= isset($Format["Segments"]) ? $Format["Segments"] : NULL;
+     $Ticks	= isset($Format["Ticks"]) ? $Format["Ticks"] : NULL;
+     $NoDraw    = isset($Format["NoDraw"]) ? $Format["NoDraw"] : FALSE;
+     $PathOnly  = isset($Format["PathOnly"]) ? $Format["PathOnly"] : FALSE;
+     $Weight    = isset($Format["Weight"]) ? $Format["Weight"] : NULL;
+     $DrawArrow		= isset($Format["DrawArrow"]) ? $Format["DrawArrow"] : FALSE;
+     $ArrowSize		= isset($Format["ArrowSize"]) ? $Format["ArrowSize"] : 10;
+     $ArrowRatio	= isset($Format["ArrowRatio"]) ? $Format["ArrowRatio"] : .5;
+     $ArrowTwoHeads	= isset($Format["ArrowTwoHeads"]) ? $Format["ArrowTwoHeads"] : FALSE;
+
+     if ( $Segments == NULL )
+      {
+       $Length    = $this->getLength($X1,$Y1,$X2,$Y2);
+       $Precision = ($Length*125)/1000;
+      }
+     else
+      $Precision = $Segments;
+
+     $P[0]["X"] = $X1;  $P[0]["Y"] = $Y1;
+     $P[1]["X"] = $Xv1; $P[1]["Y"] = $Yv1;
+     $P[2]["X"] = $Xv2; $P[2]["Y"] = $Yv2;
+     $P[3]["X"] = $X2;  $P[3]["Y"] = $Y2;
+
+     /* Compute the bezier points */
+     $Q = ""; $ID = 0; $Path = "";
+     for($i=0;$i<=$Precision;$i=$i+1)
+      {
+       $u = $i / $Precision;
+
+       $C    = "";
+       $C[0] = (1 - $u) * (1 - $u) * (1 - $u);
+       $C[1] = ($u * 3) * (1 - $u) * (1 - $u);
+       $C[2] = 3 * $u * $u * (1 - $u);
+       $C[3] = $u * $u * $u;
+
+       for($j=0;$j<=3;$j++)
+        {
+         if ( !isset($Q[$ID]) ) { $Q[$ID] = ""; }
+         if ( !isset($Q[$ID]["X"]) ) { $Q[$ID]["X"] = 0; }
+         if ( !isset($Q[$ID]["Y"]) ) { $Q[$ID]["Y"] = 0; }
+
+         $Q[$ID]["X"] = $Q[$ID]["X"] + $P[$j]["X"] * $C[$j];
+         $Q[$ID]["Y"] = $Q[$ID]["Y"] + $P[$j]["Y"] * $C[$j];
+        }
+       $ID++;
+      }        
+     $Q[$ID]["X"] = $X2; $Q[$ID]["Y"] = $Y2;
+
+     if ( !$NoDraw )
+      {
+       /* Display the control points */
+       if ( $ShowC && !$PathOnly )
+        {
+         $Xv1 = floor($Xv1); $Yv1 = floor($Yv1); $Xv2 = floor($Xv2); $Yv2 = floor($Yv2);
+
+         $this->drawLine($X1,$Y1,$X2,$Y2,array("R"=>0,"G"=>0,"B"=>0,"Alpha"=>30));
+
+         $MyMarkerSettings = array("R"=>255,"G"=>0,"B"=>0,"BorderR"=>255,"BorderB"=>255,"BorderG"=>255,"Size"=>4);
+         $this->drawRectangleMarker($Xv1,$Yv1,$MyMarkerSettings);
+         $this->drawText($Xv1+4,$Yv1,"v1");
+         $MyMarkerSettings = array("R"=>0,"G"=>0,"B"=>255,"BorderR"=>255,"BorderB"=>255,"BorderG"=>255,"Size"=>4);
+         $this->drawRectangleMarker($Xv2,$Yv2,$MyMarkerSettings);
+         $this->drawText($Xv2+4,$Yv2,"v2");
+        }
+
+       /* Draw the bezier */
+       $LastX = NULL; $LastY = NULL; $Cpt = NULL; $Mode = NULL; $ArrowS = NULL;
+       foreach ($Q as $Key => $Point)
+        {
+         $X = $Point["X"]; $Y = $Point["Y"];
+
+         /* Get the first segment */
+         if ( $ArrowS == NULL && $LastX != NULL && $LastY != NULL )
+          { $ArrowS["X2"] = $LastX; $ArrowS["Y2"] = $LastY; $ArrowS["X1"] = $X; $ArrowS["Y1"] = $Y; }
+
+         if ( $LastX != NULL && $LastY != NULL && !$PathOnly)
+          list($Cpt,$Mode) = $this->drawLine($LastX,$LastY,$X,$Y,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Ticks"=>$Ticks,"Cpt"=>$Cpt,"Mode"=>$Mode,"Weight"=>$Weight));
+
+         /* Get the last segment */
+         $ArrowE["X1"] = $LastX; $ArrowE["Y1"] = $LastY; $ArrowE["X2"] = $X; $ArrowE["Y2"] = $Y;
+
+         $LastX = $X; $LastY = $Y;
+        }
+
+       if ( $DrawArrow && !$PathOnly )
+        {
+         $ArrowSettings = array("FillR"=>$R,"FillG"=>$G,"FillB"=>$B,"Alpha"=>$Alpha,"Size"=>$ArrowSize,"Ratio"=>$ArrowRatio);
+         if ( $ArrowTwoHeads )
+          $this->drawArrow($ArrowS["X1"],$ArrowS["Y1"],$ArrowS["X2"],$ArrowS["Y2"],$ArrowSettings);
+
+         $this->drawArrow($ArrowE["X1"],$ArrowE["Y1"],$ArrowE["X2"],$ArrowE["Y2"],$ArrowSettings);
+        }
+      }
+     return($Q);
+    }
+
+   /* Draw a line between two points */
+   function drawLine($X1,$Y1,$X2,$Y2,$Format="")
+    {
+     $R	    = isset($Format["R"]) ? $Format["R"] : 0;
+     $G	    = isset($Format["G"]) ? $Format["G"] : 0;
+     $B	    = isset($Format["B"]) ? $Format["B"] : 0;
+     $Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
+     $Ticks = isset($Format["Ticks"]) ? $Format["Ticks"] : NULL;
+     $Cpt   = isset($Format["Cpt"]) ? $Format["Cpt"] : 1;
+     $Mode  = isset($Format["Mode"]) ? $Format["Mode"] : 1;
+     $Weight = isset($Format["Weight"]) ? $Format["Weight"] : NULL;
+
+     if ( $this->Antialias == FALSE && $Ticks == NULL )
+      {
+       if ( $this->Shadow && $this->ShadowX != 0 && $this->ShadowY != 0 )
+        {
+         $ShadowColor = $this->allocateColor($this->Picture,$this->ShadowR,$this->ShadowG,$this->ShadowB,$this->Shadowa);
+         imageline($this->Picture,$X1+$this->ShadowX,$Y1+$this->ShadowY,$X2+$this->ShadowX,$Y2+$this->ShadowY,$ShadowColor);
+        }
+
+       $Color = $this->allocateColor($this->Picture,$R,$G,$B,$Alpha);
+       imageline($this->Picture,$X1,$Y1,$X2,$Y2,$Color);
+       return(0);
+      }
+
+     $Distance = sqrt(($X2-$X1)*($X2-$X1)+($Y2-$Y1)*($Y2-$Y1));  
+     if ( $Distance == 0 ) { return(-1); }
+
+     /* Derivative algorithm for overweighted lines, re-route to polygons primitives */
+     if ( $Weight != NULL )
+      {
+       $Angle        = $this->getAngle($X1,$Y1,$X2,$Y2);
+       $PolySettings = array ("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"BorderAlpha"=>$Alpha);
+
+       if ( $Ticks == NULL )
+        {
+         $Points   = ""; 
+         $Points[] = cos(deg2rad($Angle-90)) * $Weight + $X1; $Points[] = sin(deg2rad($Angle-90)) * $Weight + $Y1;
+         $Points[] = cos(deg2rad($Angle+90)) * $Weight + $X1; $Points[] = sin(deg2rad($Angle+90)) * $Weight + $Y1;
+         $Points[] = cos(deg2rad($Angle+90)) * $Weight + $X2; $Points[] = sin(deg2rad($Angle+90)) * $Weight + $Y2;
+         $Points[] = cos(deg2rad($Angle-90)) * $Weight + $X2; $Points[] = sin(deg2rad($Angle-90)) * $Weight + $Y2;
+
+         $this->drawPolygon($Points,$PolySettings);
+        }
+       else
+        {
+         for($i=0;$i<=$Distance;$i=$i+$Ticks*2)
+          {
+           $Xa = (($X2-$X1)/$Distance) * $i + $X1; $Ya = (($Y2-$Y1)/$Distance) * $i + $Y1;
+           $Xb = (($X2-$X1)/$Distance) * ($i+$Ticks) + $X1; $Yb = (($Y2-$Y1)/$Distance) * ($i+$Ticks) + $Y1;
+
+           $Points   = ""; 
+           $Points[] = cos(deg2rad($Angle-90)) * $Weight + $Xa; $Points[] = sin(deg2rad($Angle-90)) * $Weight + $Ya;
+           $Points[] = cos(deg2rad($Angle+90)) * $Weight + $Xa; $Points[] = sin(deg2rad($Angle+90)) * $Weight + $Ya;
+           $Points[] = cos(deg2rad($Angle+90)) * $Weight + $Xb; $Points[] = sin(deg2rad($Angle+90)) * $Weight + $Yb;
+           $Points[] = cos(deg2rad($Angle-90)) * $Weight + $Xb; $Points[] = sin(deg2rad($Angle-90)) * $Weight 	+ $Yb;
+
+           $this->drawPolygon($Points,$PolySettings);
+          }
+        }
+
+       return(1);
+      }
+
+     $XStep = ($X2-$X1) / $Distance;
+     $YStep = ($Y2-$Y1) / $Distance;
+
+     for($i=0;$i<=$Distance;$i++)
+      {
+       $X = $i * $XStep + $X1;
+       $Y = $i * $YStep + $Y1;
+
+       if ( $Ticks != NULL )
+        {
+         if ( $Cpt % $Ticks == 0 )
+          { $Cpt = 0; if ( $Mode == 1 ) { $Mode = 0; } else { $Mode = 1; } }
+
+         if ( $Mode == 1 )
+          $this->drawAntialiasPixel($X,$Y,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha));
+
+         $Cpt++;
+        }
+       else
+        $this->drawAntialiasPixel($X,$Y,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha));
+      }
+     return(array($Cpt,$Mode));
+    }
+
+   /* Draw a circle */
+   function drawCircle($Xc,$Yc,$Height,$Width,$Format="")
+    {
+     $R	    = isset($Format["R"]) ? $Format["R"] : 0;
+     $G	    = isset($Format["G"]) ? $Format["G"] : 0;
+     $B	    = isset($Format["B"]) ? $Format["B"] : 0;
+     $Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
+     $Ticks = isset($Format["Ticks"]) ? $Format["Ticks"] : NULL;
+
+     $Height	= abs($Height);
+     $Width	= abs($Width);
+
+     if ( $Height == 0 ) { $Height = 1; }
+     if ( $Width == 0 )  { $Width = 1; }
+     $Xc = floor($Xc); $Yc = floor($Yc);
+
+     $RestoreShadow = $this->Shadow;
+     if ( $this->Shadow && $this->ShadowX != 0 && $this->ShadowY != 0 )
+      {
+       $this->Shadow = FALSE;
+       $this->drawCircle($Xc+$this->ShadowX,$Yc+$this->ShadowY,$Height,$Width,array("R"=>$this->ShadowR,"G"=>$this->ShadowG,"B"=>$this->ShadowB,"Alpha"=>$this->Shadowa,"Ticks"=>$Ticks));
+      }
+
+     if ( $Width == 0 ) { $Width = $Height; }
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+
+     $Step = 360 / (2 * PI * max($Width,$Height));
+     $Mode = 1; $Cpt = 1;
+     for($i=0;$i<=360;$i=$i+$Step)
+      {
+       $X = cos($i*PI/180) * $Height + $Xc;
+       $Y = sin($i*PI/180) * $Width + $Yc;
+
+       if ( $Ticks != NULL )
+        {
+         if ( $Cpt % $Ticks == 0 )
+          { $Cpt = 0; if ( $Mode == 1 ) { $Mode = 0; } else { $Mode = 1; } }
+
+         if ( $Mode == 1 )
+          $this->drawAntialiasPixel($X,$Y,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha));
+
+         $Cpt++;
+        }
+       else
+        $this->drawAntialiasPixel($X,$Y,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha));
+
+      }
+     $this->Shadow = $RestoreShadow;
+    }
+
+   /* Draw a filled circle */
+   function drawFilledCircle($X,$Y,$Radius,$Format="")
+    {
+     $R			= isset($Format["R"]) ? $Format["R"] : 0;
+     $G			= isset($Format["G"]) ? $Format["G"] : 0;
+     $B			= isset($Format["B"]) ? $Format["B"] : 0;
+     $Alpha		= isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
+     $BorderR		= isset($Format["BorderR"]) ? $Format["BorderR"] : -1;
+     $BorderG		= isset($Format["BorderG"]) ? $Format["BorderG"] : -1;
+     $BorderB		= isset($Format["BorderB"]) ? $Format["BorderB"] : -1;
+     $BorderAlpha	= isset($Format["BorderAlpha"]) ? $Format["BorderAlpha"] : $Alpha;
+     $Ticks     	= isset($Format["Ticks"]) ? $Format["Ticks"] : NULL;
+     $Surrounding 	= isset($Format["Surrounding"]) ? $Format["Surrounding"] : NULL;
+
+     if ( $Radius == 0 ) { $Radius = 1; }
+     if ( $Surrounding != NULL ) { $BorderR = $R+$Surrounding; $BorderG = $G+$Surrounding; $BorderB = $B+$Surrounding; }
+     $X = floor($X); $Y = floor($Y);
+
+     $Radius = abs($Radius);
+
+     $RestoreShadow = $this->Shadow;
+     if ( $this->Shadow && $this->ShadowX != 0 && $this->ShadowY != 0 )
+      {
+       $this->Shadow = FALSE;
+       $this->drawFilledCircle($X+$this->ShadowX,$Y+$this->ShadowY,$Radius,array("R"=>$this->ShadowR,"G"=>$this->ShadowG,"B"=>$this->ShadowB,"Alpha"=>$this->Shadowa,"Ticks"=>$Ticks));
+      }
+
+     $this->Mask  = "";
+     $Color = $this->allocateColor($this->Picture,$R,$G,$B,$Alpha);
+     for ($i=0; $i<=$Radius*2; $i++)
+      {
+       $Slice  = sqrt($Radius * $Radius - ($Radius - $i) * ($Radius - $i));
+       $XPos   = floor($Slice);
+       $YPos   = $Y + $i - $Radius;
+       $AAlias = $Slice - floor($Slice);
+
+       $this->Mask[$X-$XPos][$YPos] = TRUE;
+       $this->Mask[$X+$XPos][$YPos] = TRUE;
+       imageline($this->Picture,$X-$XPos,$YPos,$X+$XPos,$YPos,$Color);
+      }
+     if ( $this->Antialias )
+      $this->drawCircle($X,$Y,$Radius,$Radius,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Ticks"=>$Ticks));
+
+     $this->Mask = "";
+
+     if ( $BorderR != -1 )
+      $this->drawCircle($X,$Y,$Radius,$Radius,array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$BorderAlpha,"Ticks"=>$Ticks));
+
+     $this->Shadow	= $RestoreShadow;
+    }
+
+   /* Write text */
+   function drawText($X,$Y,$Text,$Format="")
+    {
+     $R			= isset($Format["R"]) ? $Format["R"] : $this->FontColorR;
+     $G			= isset($Format["G"]) ? $Format["G"] : $this->FontColorG;
+     $B			= isset($Format["B"]) ? $Format["B"] : $this->FontColorB;
+     $Angle		= isset($Format["Angle"]) ? $Format["Angle"] : 0;
+     $Align		= isset($Format["Align"]) ? $Format["Align"] : TEXT_ALIGN_BOTTOMLEFT;
+     $Alpha		= isset($Format["Alpha"]) ? $Format["Alpha"] : $this->FontColorA;
+     $FontName		= isset($Format["FontName"]) ? $Format["FontName"] : $this->FontName;
+     $FontSize		= isset($Format["FontSize"]) ? $Format["FontSize"] : $this->FontSize;
+     $ShowOrigine	= isset($Format["ShowOrigine"]) ? $Format["ShowOrigine"] : FALSE;
+     $TOffset		= isset($Format["TOffset"]) ? $Format["TOffset"] : 2;
+     $DrawBox		= isset($Format["DrawBox"]) ? $Format["DrawBox"] : FALSE;
+     $DrawBoxBorder	= isset($Format["DrawBoxBorder"]) ? $Format["DrawBoxBorder"] : TRUE;
+     $BorderOffset	= isset($Format["BorderOffset"]) ? $Format["BorderOffset"] : 6;
+     $BoxRounded	= isset($Format["BoxRounded"]) ? $Format["BoxRounded"] : FALSE;
+     $RoundedRadius	= isset($Format["RoundedRadius"]) ? $Format["RoundedRadius"] : 6;
+     $BoxR		= isset($Format["BoxR"]) ? $Format["BoxR"] : 255;
+     $BoxG		= isset($Format["BoxG"]) ? $Format["BoxG"] : 255;
+     $BoxB		= isset($Format["BoxB"]) ? $Format["BoxB"] : 255;
+     $BoxAlpha		= isset($Format["BoxAlpha"]) ? $Format["BoxAlpha"] : 50;
+     $BoxSurrounding	= isset($Format["BoxSurrounding"]) ? $Format["BoxSurrounding"] : "";
+     $BoxBorderR	= isset($Format["BoxR"]) ? $Format["BoxR"] : 0;
+     $BoxBorderG	= isset($Format["BoxG"]) ? $Format["BoxG"] : 0;
+     $BoxBorderB	= isset($Format["BoxB"]) ? $Format["BoxB"] : 0;
+     $BoxBorderAlpha	= isset($Format["BoxAlpha"]) ? $Format["BoxAlpha"] : 50;
+     $NoShadow		= isset($Format["NoShadow"]) ? $Format["NoShadow"] : FALSE;
+
+     $Shadow = $this->Shadow;
+     if ( $NoShadow ) { $this->Shadow = FALSE; }
+
+     if ( $BoxSurrounding != "" ) { $BoxBorderR = $BoxR - $BoxSurrounding; $BoxBorderG = $BoxG - $BoxSurrounding; $BoxBorderB = $BoxB - $BoxSurrounding; $BoxBorderAlpha = $Boxalpha; }
+
+     if ( $ShowOrigine )
+      {
+       $MyMarkerSettings = array("R"=>255,"G"=>0,"B"=>0,"BorderR"=>255,"BorderB"=>255,"BorderG"=>255,"Size"=>4);
+       $this->drawRectangleMarker($X,$Y,$MyMarkerSettings);
+      }
+
+     $TxtPos = $this->getTextBox($X,$Y,$FontName,$FontSize,$Angle,$Text);
+
+     if ( $DrawBox && ($Angle == 0 || $Angle == 90 || $Angle == 180 || $Angle == 270))
+      {
+       $T[0]["X"]=0;$T[0]["Y"]=0;$T[1]["X"]=0;$T[1]["Y"]=0;$T[2]["X"]=0;$T[2]["Y"]=0;$T[3]["X"]=0;$T[3]["Y"]=0;
+       if ( $Angle == 0 ) { $T[0]["X"]=-$TOffset;$T[0]["Y"]=$TOffset;$T[1]["X"]=$TOffset;$T[1]["Y"]=$TOffset;$T[2]["X"]=$TOffset;$T[2]["Y"]=-$TOffset;$T[3]["X"]=-$TOffset;$T[3]["Y"]=-$TOffset; }
+
+       $X1 = min($TxtPos[0]["X"],$TxtPos[1]["X"],$TxtPos[2]["X"],$TxtPos[3]["X"]) - $BorderOffset + 3;
+       $Y1 = min($TxtPos[0]["Y"],$TxtPos[1]["Y"],$TxtPos[2]["Y"],$TxtPos[3]["Y"]) - $BorderOffset;
+       $X2 = max($TxtPos[0]["X"],$TxtPos[1]["X"],$TxtPos[2]["X"],$TxtPos[3]["X"]) + $BorderOffset + 3;
+       $Y2 = max($TxtPos[0]["Y"],$TxtPos[1]["Y"],$TxtPos[2]["Y"],$TxtPos[3]["Y"]) + $BorderOffset - 3;
+
+       $X1 = $X1 - $TxtPos[$Align]["X"] + $X + $T[0]["X"];
+       $Y1 = $Y1 - $TxtPos[$Align]["Y"] + $Y + $T[0]["Y"];
+       $X2 = $X2 - $TxtPos[$Align]["X"] + $X + $T[0]["X"];
+       $Y2 = $Y2 - $TxtPos[$Align]["Y"] + $Y + $T[0]["Y"];
+
+       $Settings = array("R"=>$BoxR,"G"=>$BoxG,"B"=>$BoxB,"Alpha"=>$BoxAlpha,"BorderR"=>$BoxBorderR,"BorderG"=>$BoxBorderG,"BorderB"=>$BoxBorderB,"BorderAlpha"=>$BoxBorderAlpha);
+
+       if ( $BoxRounded )
+        { $this->drawRoundedFilledRectangle($X1,$Y1,$X2,$Y2,$RoundedRadius,$Settings); }
+       else
+        { $this->drawFilledRectangle($X1,$Y1,$X2,$Y2,$Settings); }
+      }
+
+     $X = $X - $TxtPos[$Align]["X"] + $X;
+     $Y = $Y - $TxtPos[$Align]["Y"] + $Y;
+
+     if ( $this->Shadow && $this->ShadowX != 0 && $this->ShadowY != 0 )
+      {
+       $C_ShadowColor = $this->allocateColor($this->Picture,$this->ShadowR,$this->ShadowG,$this->ShadowB,$this->Shadowa);
+       imagettftext($this->Picture,$FontSize,$Angle,$X+$this->ShadowX,$Y+$this->ShadowY,$C_ShadowColor,$FontName,$Text);
+      }
+
+     $C_TextColor = $this->AllocateColor($this->Picture,$R,$G,$B,$Alpha);
+     imagettftext($this->Picture,$FontSize,$Angle,$X,$Y,$C_TextColor,$FontName,$Text);
+
+     $this->Shadow = $Shadow;
+
+     return($TxtPos);
+    }
+
+   /* Draw a gradient within a defined area */
+   function drawGradientArea($X1,$Y1,$X2,$Y2,$Direction,$Format="")
+    {
+     $StartR	= isset($Format["StartR"]) ? $Format["StartR"] : 90;
+     $StartG	= isset($Format["StartG"]) ? $Format["StartG"] : 90;
+     $StartB	= isset($Format["StartB"]) ? $Format["StartB"] : 90;
+     $EndR	= isset($Format["EndR"]) ? $Format["EndR"] : 0;
+     $EndG	= isset($Format["EndG"]) ? $Format["EndG"] : 0;
+     $EndB	= isset($Format["EndB"]) ? $Format["EndB"] : 0;
+     $Alpha	= isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
+     $Levels	= isset($Format["Levels"]) ? $Format["Levels"] : NULL;
+
+     $Shadow = $this->Shadow;
+     $this->Shadow = FALSE;
+
+     if ( $StartR == $EndR && $StartG == $EndG && $StartB == $EndB )
+      {
+       $this->drawFilledRectangle($X1,$Y1,$X2,$Y2,array("R"=>$StartR,"G"=>$StartG,"B"=>$StartB,"Alpha"=>$Alpha));
+       return(0);
+      }
+
+     if ( $Levels != NULL )
+      { $EndR=$StartR+$Levels; $EndG=$StartG+$Levels; $EndB=$StartB+$Levels; }
+
+     if ($X1 > $X2) { list($X1, $X2) = array($X2, $X1); }
+     if ($Y1 > $Y2) { list($Y1, $Y2) = array($Y2, $Y1); }
+
+     if ( $Direction == DIRECTION_VERTICAL )   { $Width = abs($Y2-$Y1); }
+     if ( $Direction == DIRECTION_HORIZONTAL ) { $Width = abs($X2-$X1); }
+
+     $Step     = max(abs($EndR-$StartR),abs($EndG-$StartG),abs($EndB-$StartB));
+     $StepSize = $Width/$Step;
+     $RStep    = ($EndR-$StartR)/$Step;
+     $GStep    = ($EndG-$StartG)/$Step;
+     $BStep    = ($EndB-$StartB)/$Step;
+
+     $R=$StartR;$G=$StartG;$B=$StartB;
+     switch($Direction)
+      {
+       case DIRECTION_VERTICAL:
+        $StartY = $Y1; $EndY = floor($Y2)+1; $LastY2 = $StartY;
+        for($i=0;$i<=$Step;$i++)
+         {
+          $Y2 = floor($StartY + ($i * $StepSize));
+
+          if ($Y2 > $EndY) { $Y2 = $EndY; }
+          if (($Y1 != $Y2 && $Y1 < $Y2) || $Y2 == $EndY)
+           {
+            $Color = array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha);
+            $this->drawFilledRectangle($X1,$Y1,$X2,$Y2,$Color);
+            $LastY2 = max($LastY2,$Y2);
+            $Y1 = $Y2+1;
+           }
+          $R = $R + $RStep; $G = $G + $GStep; $B = $B + $BStep;
+         }
+        if ( $LastY2 < $EndY && isset($Color)) { for ($i=$LastY2+1;$i<=$EndY;$i++) { $this->drawLine($X1,$i,$X2,$i,$Color); } }
+        break;
+
+       case DIRECTION_HORIZONTAL:
+        $StartX = $X1; $EndX = $X2;
+        for($i=0;$i<=$Step;$i++)
+         {
+          $X2 = floor($StartX + ($i * $StepSize));
+
+          if ($X2 > $EndX) { $X2 = $EndX; }
+          if (($X1 != $X2 && $X1 < $X2) || $X2 == $EndX)
+           {
+            $Color = array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha);
+            $this->drawFilledRectangle($X1,$Y1,$X2,$Y2,$Color);
+            $X1 = $X2+1;
+           }
+          $R = $R + $RStep; $G = $G + $GStep; $B = $B + $BStep; 
+         }
+        if ( $X2 < $EndX && isset($Color)) { $this->drawFilledRectangle($X2,$Y1,$EndX,$Y2,$Color); }
+        break;
+      }
+
+     $this->Shadow = $Shadow;
+
+    }
+
+   /* Draw an aliased pixel */
+   function drawAntialiasPixel($X,$Y,$Format="")
+    {
+     $R     = isset($Format["R"]) ? $Format["R"] : 0;
+     $G     = isset($Format["G"]) ? $Format["G"] : 0;
+     $B     = isset($Format["B"]) ? $Format["B"] : 0;
+     $Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
+
+     if ( $X < 0 || $Y < 0 || $X >= $this->XSize || $Y >= $this->YSize )
+      return(-1);
+
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+
+     if ( !$this->Antialias )
+      {
+       if ( $this->Shadow && $this->ShadowX != 0 && $this->ShadowY != 0 )
+        {
+         $ShadowColor = $this->allocateColor($this->Picture,$this->ShadowR,$this->ShadowG,$this->ShadowB,$this->Shadowa);
+         imagesetpixel($this->Picture,$X+$this->ShadowX,$Y+$this->ShadowY,$ShadowColor);
+        }
+
+       $PlotColor = $this->allocateColor($this->Picture,$R,$G,$B,$Alpha);
+       imagesetpixel($this->Picture,$X,$Y,$PlotColor);
+
+       return(0);
+      }
+
+     $Plot = "";
+     $Xi   = floor($X);
+     $Yi   = floor($Y);
+
+     if ( $Xi == $X && $Yi == $Y)
+      {
+       if ( $Alpha == 100 )
+        $this->drawAlphaPixel($X,$Y,100,$R,$G,$B);
+       else
+        $this->drawAlphaPixel($X,$Y,$Alpha,$R,$G,$B);
+      }
+     else
+      {
+       $Alpha1 = (((1 - ($X - floor($X))) * (1 - ($Y - floor($Y))) * 100) / 100) * $Alpha;
+       if ( $Alpha1 > $this->AntialiasQuality ) { $this->drawAlphaPixel($Xi,$Yi,$Alpha1,$R,$G,$B); }
+
+       $Alpha2 = ((($X - floor($X)) * (1 - ($Y - floor($Y))) * 100) / 100) * $Alpha;
+       if ( $Alpha2 > $this->AntialiasQuality ) { $this->drawAlphaPixel($Xi+1,$Yi,$Alpha2,$R,$G,$B); }
+
+       $Alpha3 = (((1 - ($X - floor($X))) * ($Y - floor($Y)) * 100) / 100) * $Alpha;
+       if ( $Alpha3 > $this->AntialiasQuality ) { $this->drawAlphaPixel($Xi,$Yi+1,$Alpha3,$R,$G,$B); }
+
+       $Alpha4 = ((($X - floor($X)) * ($Y - floor($Y)) * 100) / 100) * $Alpha;
+       if ( $Alpha4 > $this->AntialiasQuality ) { $this->drawAlphaPixel($Xi+1,$Yi+1,$Alpha4,$R,$G,$B); }
+      }
+    }
+
+   /* Draw a semi-transparent pixel */
+   function drawAlphaPixel($X,$Y,$Alpha,$R,$G,$B)
+    {
+     if ( isset($this->Mask[$X])) { if ( isset($this->Mask[$X][$Y]) ) { return(0); } }
+
+     if ( $X < 0 || $Y < 0 || $X >= $this->XSize || $Y >= $this->YSize )
+      return(-1);
+
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+
+     if ( $this->Shadow && $this->ShadowX != 0 && $this->ShadowY != 0 )
+      {
+       $AlphaFactor = floor(($Alpha / 100) * $this->Shadowa);
+       $ShadowColor = $this->allocateColor($this->Picture,$this->ShadowR,$this->ShadowG,$this->ShadowB,$AlphaFactor);
+       imagesetpixel($this->Picture,$X+$this->ShadowX,$Y+$this->ShadowY,$ShadowColor);
+      }
+
+     $C_Aliased = $this->allocateColor($this->Picture,$R,$G,$B,$Alpha);
+     imagesetpixel($this->Picture,$X,$Y,$C_Aliased);
+    }
+
+   /* Convert apha to base 10 */
+   function convertAlpha($AlphaValue)
+    { return((127/100)*(100-$AlphaValue)); }
+
+   /* Allocate a color with transparency */
+   function allocateColor($Picture,$R,$G,$B,$Alpha=100)
+    {
+     if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
+     if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
+     if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
+     if ( $Alpha < 0 )  { $Alpha = 0; }
+     if ( $Alpha > 100) { $Alpha = 100; }
+
+     $Alpha = $this->convertAlpha($Alpha);
+     return(imagecolorallocatealpha($Picture,$R,$G,$B,$Alpha));
+    }
+
+   /* Load a PNG file and draw it over the chart */
+   function drawFromPNG($X,$Y,$FileName)
+    { $this->drawFromPicture(1,$FileName,$X,$Y); }
+
+   /* Load a GIF file and draw it over the chart */
+   function drawFromGIF($X,$Y,$FileName)
+    { $this->drawFromPicture(2,$FileName,$X,$Y); }
+
+   /* Load a JPEG file and draw it over the chart */
+   function drawFromJPG($X,$Y,$FileName)
+    { $this->drawFromPicture(3,$FileName,$X,$Y); }
+
+   function getPicInfo($FileName)
+    {
+     $Infos  = getimagesize($FileName);
+     $Width  = $Infos[0];
+     $Height = $Infos[1];
+     $Type   = $Infos["mime"];
+
+     if ( $Type == "image/png") { $Type = 1; }
+     if ( $Type == "image/gif") { $Type = 2; }
+     if ( $Type == "image/jpeg ") { $Type = 3; }
+
+     return(array($Width,$Height,$Type));
+    }
+
+   /* Generic loader function for external pictures */
+   function drawFromPicture($PicType,$FileName,$X,$Y)
+    {
+     if ( file_exists($FileName))
+      {
+       list($Width,$Height) = $this->getPicInfo($FileName);
+
+       if ( $PicType == 1 )
+        { $Raster = imagecreatefrompng($FileName); }
+       elseif ( $PicType == 2 )
+        { $Raster = imagecreatefromgif($FileName); }
+       elseif ( $PicType == 3 )
+        { $Raster = imagecreatefromjpeg($FileName); }
+       else
+        { return(0); }
+
+
+       $RestoreShadow = $this->Shadow;
+       if ( $this->Shadow && $this->ShadowX != 0 && $this->ShadowY != 0 )
+        {
+         $this->Shadow = FALSE;
+         if ( $PicType == 3 )
+          $this->drawFilledRectangle($X+$this->ShadowX,$Y+$this->ShadowY,$X+$Width+$this->ShadowX,$Y+$Height+$this->ShadowY,array("R"=>$this->ShadowR,"G"=>$this->ShadowG,"B"=>$this->ShadowB,"Alpha"=>$this->Shadowa));
+         else
+          {
+           $TranparentID = imagecolortransparent($Raster);
+           for ($Xc=0;$Xc<=$Width-1;$Xc++)
+            {
+             for ($Yc=0;$Yc<=$Height-1;$Yc++)
+              {
+               $RGBa   = imagecolorat($Raster,$Xc,$Yc);
+               $Values = imagecolorsforindex($Raster,$RGBa);
+               if ( $Values["alpha"] < 120 )
+                {
+                 $AlphaFactor = floor(($this->Shadowa / 100) * ((100 / 127) * (127-$Values["alpha"])));
+                 $this->drawAlphaPixel($X+$Xc+$this->ShadowX,$Y+$Yc+$this->ShadowY,$AlphaFactor,$this->ShadowR,$this->ShadowG,$this->ShadowB);
+                }
+              }
+            }
+          }
+        }
+       $this->Shadow = $RestoreShadow;
+
+       imagecopy($this->Picture,$Raster,$X,$Y,0,0,$Width,$Height);
+       imagedestroy($Raster);
+      }
+    }
+
+   /* Draw an arrow */
+   function drawArrow($X1,$Y1,$X2,$Y2,$Format="")
+    {
+     $FillR	= isset($Format["FillR"]) ? $Format["FillR"] : 0;
+     $FillG	= isset($Format["FillG"]) ? $Format["FillG"] : 0;
+     $FillB	= isset($Format["FillB"]) ? $Format["FillB"] : 0;
+     $BorderR	= isset($Format["BorderR"]) ? $Format["BorderR"] : $FillR;
+     $BorderG	= isset($Format["BorderG"]) ? $Format["BorderG"] : $FillG;
+     $BorderB	= isset($Format["BorderB"]) ? $Format["BorderB"] : $FillB;
+     $Alpha	= isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
+     $Size	= isset($Format["Size"]) ? $Format["Size"] : 10;
+     $Ratio	= isset($Format["Ratio"]) ? $Format["Ratio"] : .5;
+     $TwoHeads	= isset($Format["TwoHeads"]) ? $Format["TwoHeads"] : FALSE;
+     $Ticks	= isset($Format["Ticks"]) ? $Format["Ticks"] : FALSE;
+
+     /* Calculate the line angle */
+     $Angle = $this->getAngle($X1,$Y1,$X2,$Y2);
+
+     /* Override Shadow support, this will be managed internally */
+     $RestoreShadow = $this->Shadow;
+     if ( $this->Shadow && $this->ShadowX != 0 && $this->ShadowY != 0 )
+      {
+       $this->Shadow = FALSE;
+       $this->drawArrow($X1+$this->ShadowX,$Y1+$this->ShadowY,$X2+$this->ShadowX,$Y2+$this->ShadowY,array("FillR"=>$this->ShadowR,"FillG"=>$this->ShadowG,"FillB"=>$this->ShadowB,"Alpha"=>$this->Shadowa,"Size"=>$Size,"Ratio"=>$Ratio,"TwoHeads"=>$TwoHeads,"Ticks"=>$Ticks));
+      }
+
+     /* Draw the 1st Head */
+     $TailX = cos(($Angle-180)*PI/180)*$Size+$X2;
+     $TailY = sin(($Angle-180)*PI/180)*$Size+$Y2;
+
+     $Points	= "";
+     $Points[]  = $X2; $Points[]  = $Y2;
+     $Points[]	= cos(($Angle-90)*PI/180)*$Size*$Ratio+$TailX; $Points[] = sin(($Angle-90)*PI/180)*$Size*$Ratio+$TailY;
+     $Points[]	= cos(($Angle-270)*PI/180)*$Size*$Ratio+$TailX; $Points[] = sin(($Angle-270)*PI/180)*$Size*$Ratio+$TailY;
+     $Points[]  = $X2; $Points[]  = $Y2;
+
+     /* Visual correction */
+     if ($Angle == 180 || $Angle == 360 ) { $Points[4] = $Points[2]; }
+     if ($Angle == 90 || $Angle == 270 ) { $Points[5] = $Points[3]; }
+
+     $ArrowColor = $this->allocateColor($this->Picture,$FillR,$FillG,$FillB,$Alpha);
+     ImageFilledPolygon($this->Picture,$Points,4,$ArrowColor);
+
+     $this->drawLine($Points[0],$Points[1],$Points[2],$Points[3],array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$Alpha));
+     $this->drawLine($Points[2],$Points[3],$Points[4],$Points[5],array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$Alpha));
+     $this->drawLine($Points[0],$Points[1],$Points[4],$Points[5],array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$Alpha));
+
+     /* Draw the second head */
+     if ( $TwoHeads )
+      {
+       $Angle = $this->getAngle($X2,$Y2,$X1,$Y1);
+
+       $TailX2 = cos(($Angle-180)*PI/180)*$Size+$X1;
+       $TailY2 = sin(($Angle-180)*PI/180)*$Size+$Y1;
+
+       $Points   = "";
+       $Points[] = $X1; $Points[]  = $Y1;
+       $Points[] = cos(($Angle-90)*PI/180)*$Size*$Ratio+$TailX2; $Points[] = sin(($Angle-90)*PI/180)*$Size*$Ratio+$TailY2;
+       $Points[] = cos(($Angle-270)*PI/180)*$Size*$Ratio+$TailX2; $Points[] = sin(($Angle-270)*PI/180)*$Size*$Ratio+$TailY2;
+       $Points[] = $X1; $Points[]  = $Y1;
+
+       /* Visual correction */
+       if ($Angle == 180 || $Angle == 360 ) { $Points[4] = $Points[2]; }
+       if ($Angle == 90 || $Angle == 270 ) { $Points[5] = $Points[3]; }
+
+       $ArrowColor = $this->allocateColor($this->Picture,$FillR,$FillG,$FillB,$Alpha);
+       ImageFilledPolygon($this->Picture,$Points,4,$ArrowColor);
+
+       $this->drawLine($Points[0],$Points[1],$Points[2],$Points[3],array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$Alpha));
+       $this->drawLine($Points[2],$Points[3],$Points[4],$Points[5],array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$Alpha));
+       $this->drawLine($Points[0],$Points[1],$Points[4],$Points[5],array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$Alpha));
+
+       $this->drawLine($TailX,$TailY,$TailX2,$TailY2,array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$Alpha,"Ticks"=>$Ticks));
+      }
+     else
+      $this->drawLine($X1,$Y1,$TailX,$TailY,array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$Alpha,"Ticks"=>$Ticks));
+
+     /* Re-enable shadows */
+     $this->Shadow = $RestoreShadow;
+    }
+
+   /* Draw a label with associated arrow */
+   function drawArrowLabel($X1,$Y1,$Text,$Format="")
+    {
+     $FillR    = isset($Format["FillR"]) ? $Format["FillR"] : 0;
+     $FillG    = isset($Format["FillG"]) ? $Format["FillG"] : 0;
+     $FillB    = isset($Format["FillB"]) ? $Format["FillB"] : 0;
+     $BorderR  = isset($Format["BorderR"]) ? $Format["BorderR"] : $FillR;
+     $BorderG  = isset($Format["BorderG"]) ? $Format["BorderG"] : $FillG;
+     $BorderB  = isset($Format["BorderB"]) ? $Format["BorderB"] : $FillB;
+     $FontName = isset($Format["FontName"]) ? $Format["FontName"] : $this->FontName;
+     $FontSize = isset($Format["FontSize"]) ? $Format["FontSize"] : $this->FontSize;
+     $Alpha    = isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
+     $Length   = isset($Format["Length"]) ? $Format["Length"] : 50;
+     $Angle    = isset($Format["Angle"]) ? $Format["Angle"] : 315;
+     $Size     = isset($Format["Size"]) ? $Format["Size"] : 10;
+     $Position = isset($Format["Position"]) ? $Format["Position"] : POSITION_TOP;
+     $RoundPos = isset($Format["RoundPos"]) ? $Format["RoundPos"] : FALSE;
+     $Ticks    = isset($Format["Ticks"]) ? $Format["Ticks"] : NULL;
+
+     $Angle = $Angle % 360;
+
+     $X2 = sin(($Angle+180)*PI/180)*$Length+$X1;
+     $Y2 = cos(($Angle+180)*PI/180)*$Length+$Y1;
+
+     if ( $RoundPos && $Angle > 0 && $Angle < 180 ) { $Y2 = ceil($Y2); }
+     if ( $RoundPos && $Angle > 180 ) { $Y2 = floor($Y2); }
+
+     $this->drawArrow($X2,$Y2,$X1,$Y1,$Format);
+
+     $Size	= imagettfbbox($FontSize,0,$FontName,$Text);
+     $TxtWidth	= max(abs($Size[2]-$Size[0]),abs($Size[0]-$Size[6]));
+     $TxtHeight	= max(abs($Size[1]-$Size[7]),abs($Size[3]-$Size[1]));
+
+     if ( $Angle > 0 && $Angle < 180 )
+      {
+       $this->drawLine($X2,$Y2,$X2-$TxtWidth,$Y2,array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$Alpha,"Ticks"=>$Ticks));
+       if ( $Position == POSITION_TOP )
+        $this->drawText($X2,$Y2-2,$Text,array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$Alpha,"Align"=>TEXT_ALIGN_BOTTOMRIGHT));
+       else
+        $this->drawText($X2,$Y2+4,$Text,array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$Alpha,"Align"=>TEXT_ALIGN_TOPRIGHT));
+      }
+     else
+      {
+       $this->drawLine($X2,$Y2,$X2+$TxtWidth,$Y2,array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$Alpha,"Ticks"=>$Ticks));
+       if ( $Position == POSITION_TOP )
+        $this->drawText($X2,$Y2-2,$Text,array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$Alpha));
+       else
+        $this->drawText($X2,$Y2+4,$Text,array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$Alpha,"Align"=>TEXT_ALIGN_TOPLEFT));
+      }
+    }
+
+   /* Draw a progress bar filled with specified % */
+   function drawProgress($X,$Y,$Percent,$Format="")
+    {
+     if ( $Percent > 100 ) { $Percent = 100; }
+     if ( $Percent < 0 ) { $Percent = 0; }
+
+     $Width	= isset($Format["Width"]) ? $Format["Width"] : 200;
+     $Height	= isset($Format["Height"]) ? $Format["Height"] : 20;
+     $Orientation = isset($Format["Orientation"]) ? $Format["Orientation"] : ORIENTATION_HORIZONTAL;
+     $ShowLabel = isset($Format["ShowLabel"]) ? $Format["ShowLabel"] : FALSE;
+     $LabelPos	= isset($Format["LabelPos"]) ? $Format["LabelPos"] : LABEL_POS_INSIDE;
+     $Margin    = isset($Format["Margin"]) ? $Format["Margin"] : 10;
+     $R		= isset($Format["R"]) ? $Format["R"] : 130;
+     $G		= isset($Format["G"]) ? $Format["G"] : 130;
+     $B		= isset($Format["B"]) ? $Format["B"] : 130;
+     $RFade	= isset($Format["RFade"]) ? $Format["RFade"] : -1;
+     $GFade	= isset($Format["GFade"]) ? $Format["GFade"] : -1;
+     $BFade	= isset($Format["BFade"]) ? $Format["BFade"] : -1;
+     $BorderR	= isset($Format["BorderR"]) ? $Format["BorderR"] : $R;
+     $BorderG	= isset($Format["BorderG"]) ? $Format["BorderG"] : $G;
+     $BorderB	= isset($Format["BorderB"]) ? $Format["BorderB"] : $B;
+     $BoxBorderR = isset($Format["BoxBorderR"]) ? $Format["BoxBorderR"] : 0;
+     $BoxBorderG = isset($Format["BoxBorderG"]) ? $Format["BoxBorderG"] : 0;
+     $BoxBorderB = isset($Format["BoxBorderB"]) ? $Format["BoxBorderB"] : 0;
+     $BoxBackR	= isset($Format["BoxBackR"]) ? $Format["BoxBackR"] : 255;
+     $BoxBackG	= isset($Format["BoxBackG"]) ? $Format["BoxBackG"] : 255;
+     $BoxBackB	= isset($Format["BoxBackB"]) ? $Format["BoxBackB"] : 255;
+     $Alpha	= isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
+     $Surrounding = isset($Format["Surrounding"]) ? $Format["Surrounding"] : NULL;
+     $BoxSurrounding = isset($Format["BoxSurrounding"]) ? $Format["BoxSurrounding"] : NULL;
+     $NoAngle	= isset($Format["NoAngle"]) ? $Format["NoAngle"] : FALSE;
+
+     if ( $RFade != -1 && $GFade != -1 && $BFade != -1 )
+      {
+       $RFade = (($RFade-$R)/100)*$Percent+$R;
+       $GFade = (($GFade-$G)/100)*$Percent+$G;
+       $BFade = (($BFade-$B)/100)*$Percent+$B;
+      }
+
+     if ( $Surrounding != NULL ) { $BorderR = $R + $Surrounding; $BorderG = $G + $Surrounding; $BorderB = $B + $Surrounding; }
+     if ( $BoxSurrounding != NULL ) { $BoxBorderR = $BoxBackR + $Surrounding; $BoxBorderG = $BoxBackG + $Surrounding; $BoxBorderB = $BoxBackB + $Surrounding; }
+
+     if ( $Orientation == ORIENTATION_VERTICAL )
+      {
+       $InnerHeight = (($Height-2)/100)*$Percent;
+       $this->drawFilledRectangle($X,$Y,$X+$Width,$Y-$Height,array("R"=>$BoxBackR,"G"=>$BoxBackG,"B"=>$BoxBackB,"BorderR"=>$BoxBorderR,"BorderG"=>$BoxBorderG,"BorderB"=>$BoxBorderB,"NoAngle"=>$NoAngle));
+
+       $RestoreShadow = $this->Shadow; $this->Shadow  = FALSE;
+       if ( $RFade != -1 && $GFade != -1 && $BFade != -1 )
+        {
+         $GradientOptions = array("StartR"=>$RFade,"StartG"=>$GFade,"StartB"=>$BFade,"EndR"=>$R,"EndG"=>$G,"EndB"=>$B);
+         $this->drawGradientArea($X+1,$Y-1,$X+$Width-1,$Y-$InnerHeight,DIRECTION_VERTICAL,$GradientOptions);
+
+         if ( $Surrounding )
+          $this->drawRectangle($X+1,$Y-1,$X+$Width-1,$Y-$InnerHeight,array("R"=>255,"G"=>255,"B"=>255,"Alpha"=>$Surrounding));
+        }
+       else
+        $this->drawFilledRectangle($X+1,$Y-1,$X+$Width-1,$Y-$InnerHeight,array("R"=>$R,"G"=>$G,"B"=>$B,"BorderR"=>$BorderR,"BorderG"=>$BorderG,"BorderB"=>$BorderB));
+
+       $this->Shadow = $RestoreShadow;
+
+       if ( $ShowLabel && $LabelPos == LABEL_POS_BOTTOM )	{ $this->drawText($X+($Width/2),$Y+$Margin,$Percent."%",array("Align"=>TEXT_ALIGN_TOPMIDDLE)); }
+       if ( $ShowLabel && $LabelPos == LABEL_POS_TOP )		{ $this->drawText($X+($Width/2),$Y-$Height-$Margin,$Percent."%",array("Align"=>TEXT_ALIGN_BOTTOMMIDDLE)); }
+       if ( $ShowLabel && $LabelPos == LABEL_POS_INSIDE )	{ $this->drawText($X+($Width/2),$Y-$InnerHeight-$Margin,$Percent."%",array("Align"=>TEXT_ALIGN