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<?php/*pChart - a PHP class to build charts!Copyright (C) 2008 Jean-Damien POGOLOTTIVersion 1.27 last updated on 08/17/08http://pchart.sourceforge.netThis program is free software: you can redistribute it and/or modifyit under the terms of the GNU General Public License as published bythe Free Software Foundation, either version 1,2,3 of the License, or(at your option) any later version.This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See theGNU General Public License for more details.You should have received a copy of the GNU General Public Licensealong with this program. If not, see <http://www.gnu.org/licenses/>.Class initialisation :pChart($XSize,$YSize)Draw methods :drawBackground($R,$G,$B)drawRectangle($X1,$Y1,$X2,$Y2,$R,$G,$B)drawFilledRectangle($X1,$Y1,$X2,$Y2,$R,$G,$B,$DrawBorder=TRUE,$Alpha=100)drawRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,$R,$G,$B)drawFilledRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,$R,$G,$B)drawCircle($Xc,$Yc,$Height,$R,$G,$B,$Width=0)drawFilledCircle($Xc,$Yc,$Height,$R,$G,$B,$Width=0)drawEllipse($Xc,$Yc,$Height,$Width,$R,$G,$B)drawFilledEllipse($Xc,$Yc,$Height,$Width,$R,$G,$B)drawLine($X1,$Y1,$X2,$Y2,$R,$G,$B,$GraphFunction=FALSE)drawDottedLine($X1,$Y1,$X2,$Y2,$DotSize,$R,$G,$B)drawAlphaPixel($X,$Y,$Alpha,$R,$G,$B)drawFromPNG($FileName,$X,$Y,$Alpha=100)drawFromGIF($FileName,$X,$Y,$Alpha=100)drawFromJPG($FileName,$X,$Y,$Alpha=100)Graph setup methods :drawGraphArea($R,$G,$B,$Stripe=FALSE)drawScale(&$Data,&$DataDescription,$ScaleMode,$R,$G,$B,$DrawTicks=TRUE,$Angle=0,$Decimals=1,$WithMargin=FALSE,$SkipLabels=1)drawGrid($LineWidth,$Mosaic=TRUE,$R=220,$G=220,$B=220,$Alpha=100)drawLegend($XPos,$YPos,&$DataDescription,$R,$G,$B)drawPieLegend($XPos,$YPos,$Data,$DataDescription,$R,$G,$B)drawTitle($XPos,$YPos,$Value,$R,$G,$B,$XPos2=-1,$YPos2=-1)drawTreshold($Value,$R,$G,$B,$ShowLabel=FALSE,$ShowOnRight=FALSE,$TickWidth=4)drawArea(&$Data,$Serie1,$Serie2,$R,$G,$B,$Alpha = 50)drawRadarAxis(&$Data,&$DataDescription,$Mosaic=TRUE,$BorderOffset=10,$A_R=60,$A_G=60,$A_B=60,$S_R=200,$S_G=200,$S_B=200,$MaxValue=-1)getLegendBoxSize($DataDescription)loadColorPalette($FileName,$Delimiter=",")reportWarnings($Interface="CLI")setGraphArea($X1,$Y1,$X2,$Y2)setFixedScale($VMin,$VMax)setLabel(&$Data,&$DataDescription,$SerieName,$ValueName,$Caption,$R=210,$G=210,$B=210)setColorPalette($ID,$R,$G,$B)setDateFormat($Format)setFontProperties($FontName,$FontSize)setLineStyle($Width=1,$DotSize=0)setFixedScale($VMin,$VMax,$Divisions=5)writeValues(&$Data,&$DataDescription,$Series)Graphs methods :drawPlotGraph(&$Data,&$DataDescription,$BigRadius=5,$SmallRadius=2,$R2=-1,$G2=-1,$B2=-1)drawLineGraph(&$Data,&$DataDescription,$SerieName="")drawFilledLineGraph(&$Data,&$DataDescription,$Alpha=100,$AroundZero=FALSE)drawCubicCurve(&$Data,&$DataDescription,$Accuracy=.1,$SerieName="")drawFilledCubicCurve(&$Data,&$DataDescription,$Accuracy=.1,$Alpha=100,$AroundZero=FALSE)drawOverlayBarGraph(&$Data,&$DataDescription,$Alpha=50)drawBarGraph(&$Data,&$DataDescription,$Shadow=FALSE)drawStackedBarGraph(&$Data,&$DataDescription,$Alpha=50)drawLimitsGraph(&$Data,&$DataDescription,$R=0,$G=0,$B=0)drawRadar(&$Data,&$DataDescription,$BorderOffset=10,$MaxValue=-1)drawFilledRadar(&$Data,&$DataDescription,$Alpha=50,$BorderOffset=10,$MaxValue=-1)drawBasicPieGraph(&$Data,&$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$R=255,$G=255,$B=255,$Decimals=0)drawFlatPieGraph(&$Data,&$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$SpliceDistance=0,$Decimals = 0)drawPieGraph(&$Data,&$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$EnhanceColors=TRUE,$Skew=60,$SpliceHeight=20,$SpliceDistance=0,$Decimals=0)Other methods :Render($FileName)Stroke()*//* Declare some script wide constants */define("SCALE_NORMAL",1);define("SCALE_ADDALL",2);define("SCALE_START0",3);define("SCALE_ADDALLSTART0",4);define("PIE_PERCENTAGE", 1);define("PIE_LABELS",2);define("PIE_NOLABEL",3);/* pChart class definition */class pChart{/* Palettes definition */var $Palette = array("0"=>array("R"=>188,"G"=>224,"B"=>46),"1"=>array("R"=>224,"G"=>100,"B"=>46),"2"=>array("R"=>224,"G"=>214,"B"=>46),"3"=>array("R"=>46,"G"=>151,"B"=>224),"4"=>array("R"=>176,"G"=>46,"B"=>224),"5"=>array("R"=>224,"G"=>46,"B"=>117),"6"=>array("R"=>92,"G"=>224,"B"=>46),"7"=>array("R"=>224,"G"=>176,"B"=>46));/* Some static vars used in the class */var $XSize = NULL;var $YSize = NULL;var $Picture = NULL;/* Error management */var $ErrorReporting = FALSE;var $ErrorInterface = "CLI";var $Errors = NULL;var $ErrorFontName = "fonts/tahoma.ttf";var $ErrorFontSize = 6;/* vars related to the graphing area */var $GArea_X1 = NULL;var $GArea_Y1 = NULL;var $GArea_X2 = NULL;var $GArea_Y2 = NULL;var $GAreaXOffset = NULL;var $VMax = NULL;var $VMin = NULL;var $Divisions = NULL;var $DivisionHeight = NULL;var $DivisionCount = NULL;var $DivisionRatio = NULL;var $DivisionWidth = NULL;var $DataCount = NULL;/* Text format related vars */var $FontName = NULL;var $FontSize = NULL;var $DateFormat = "d/m/Y";/* Lines format related vars */var $LineWidth = 1;var $LineDotSize = 0;/* Layer related vars */var $Layers = NULL;/* Set antialias quality : 0 is maximum, 100 minimum*/var $AntialiasQuality = 10;/* This function create the background picture */function __construct($XSize,$YSize){$this->XSize = $XSize;$this->YSize = $YSize;$this->Picture = imagecreatetruecolor($XSize,$YSize);$C_White = imagecolorallocate($this->Picture,255,255,255);imagefilledrectangle($this->Picture,0,0,$XSize,$YSize,$C_White);imagecolortransparent($this->Picture,$C_White);$this->setFontProperties("tahoma.ttf",8);}/* Set if warnings should be reported */function reportWarnings($Interface="CLI"){$this->ErrorReporting = TRUE;$this->ErrorInterface = $Interface;}/* Set the font properties */function setFontProperties($FontName,$FontSize){$this->FontName = $FontName;$this->FontSize = $FontSize;}/* Set Palette color */function setColorPalette($ID,$R,$G,$B){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 ) { $B = 255; }$this->Palette[$ID]["R"] = $R;$this->Palette[$ID]["G"] = $G;$this->Palette[$ID]["B"] = $B;}/* Load Color Palette from file */function loadColorPalette($FileName,$Delimiter=","){$handle = @fopen($FileName,"r");$ColorID = 0;if ($handle){while (!feof($handle)){$buffer = fgets($handle, 4096);$buffer = str_replace(chr(10),"",$buffer);$buffer = str_replace(chr(13),"",$buffer);$Values = split($Delimiter,$buffer);if ( count($Values) == 3 ){$this->Palette[$ColorID]["R"] = $Values[0];$this->Palette[$ColorID]["G"] = $Values[1];$this->Palette[$ColorID]["B"] = $Values[2];$ColorID++;}}}}/* Set line style */function setLineStyle($Width=1,$DotSize=0){$this->LineWidth = $Width;$this->LineDotSize = $DotSize;}/* Set the graph area location */function setGraphArea($X1,$Y1,$X2,$Y2){$this->GArea_X1 = $X1;$this->GArea_Y1 = $Y1;$this->GArea_X2 = $X2;$this->GArea_Y2 = $Y2;}/* Prepare the graph area */function drawGraphArea($R,$G,$B,$Stripe=FALSE){$this->drawFilledRectangle($this->GArea_X1,$this->GArea_Y1,$this->GArea_X2,$this->GArea_Y2,$R,$G,$B,FALSE);$this->drawRectangle($this->GArea_X1,$this->GArea_Y1,$this->GArea_X2,$this->GArea_Y2,$R-40,$G-40,$B-40);if ( $Stripe ){$R2 = $R-15; if ( $R2 < 0 ) { $R2 = 0; }$G2 = $R-15; if ( $G2 < 0 ) { $G2 = 0; }$B2 = $R-15; if ( $B2 < 0 ) { $B2 = 0; }$LineColor = imagecolorallocate($this->Picture,$R2,$G2,$B2);$SkewWidth = $this->GArea_Y2-$this->GArea_Y1-1;for($i=$this->GArea_X1-$SkewWidth;$i<=$this->GArea_X2;$i=$i+4){$X1 = $i; $Y1 = $this->GArea_Y2;$X2 = $i+$SkewWidth; $Y2 = $this->GArea_Y1;if ( $X1 < $this->GArea_X1 ){ $X1 = $this->GArea_X1; $Y1 = $this->GArea_Y1 + $X2 - $this->GArea_X1 + 1; }if ( $X2 >= $this->GArea_X2 ){ $Y2 = $this->GArea_Y1 + $X2 - $this->GArea_X2 +1; $X2 = $this->GArea_X2 - 1; }// * Fixed in 1.27 * { $X2 = $this->GArea_X2 - 1; $Y2 = $this->GArea_Y2 - ($this->GArea_X2 - $X1); }imageline($this->Picture,$X1,$Y1,$X2,$Y2+1,$LineColor);}}}/* Allow you to fix the scale, use this to bypass the automatic scaling */function setFixedScale($VMin,$VMax,$Divisions=5){$this->VMin = $VMin;$this->VMax = $VMax;$this->Divisions = $Divisions;}/* Compute and draw the scale */function drawScale(&$Data,&$DataDescription,$ScaleMode,$R,$G,$B,$DrawTicks=TRUE,$Angle=0,$Decimals=1,$WithMargin=FALSE,$SkipLabels=1){/* Validate the Data and DataDescription array */$this->validateData("drawScale",$Data);$C_TextColor = imagecolorallocate($this->Picture,$R,$G,$B);$this->drawLine($this->GArea_X1,$this->GArea_Y1,$this->GArea_X1,$this->GArea_Y2,$R,$G,$B);$this->drawLine($this->GArea_X1,$this->GArea_Y2,$this->GArea_X2,$this->GArea_Y2,$R,$G,$B);if ( $this->VMin == NULL && $this->VMax == NULL){if (isset($DataDescription["Values"][0])){$this->VMin = $Data[0][$DataDescription["Values"][0]];$this->VMax = $Data[0][$DataDescription["Values"][0]];}else { $this->VMin = 2147483647; $this->VMax = -2147483647; }/* Compute Min and Max values */if ( $ScaleMode == SCALE_NORMAL || $ScaleMode == SCALE_START0 ){if ( $ScaleMode == SCALE_START0 ) { $this->VMin = 0; }foreach ( $Data as $Key => $Values ){foreach ( $DataDescription["Values"] as $Key2 => $ColName ){if (isset($Data[$Key][$ColName])){$Value = $Data[$Key][$ColName];if ( is_numeric($Value) ){if ( $this->VMax < $Value) { $this->VMax = $Value; }if ( $this->VMin > $Value) { $this->VMin = $Value; }}}}}}elseif ( $ScaleMode == SCALE_ADDALL || $ScaleMode == SCALE_ADDALLSTART0 ) /* Experimental */{if ( $ScaleMode == SCALE_ADDALLSTART0 ) { $this->VMin = 0; }foreach ( $Data as $Key => $Values ){$Sum = 0;foreach ( $DataDescription["Values"] as $Key2 => $ColName ){if (isset($Data[$Key][$ColName])){$Value = $Data[$Key][$ColName];if ( is_numeric($Value) )$Sum += $Value;}}if ( $this->VMax < $Sum) { $this->VMax = $Sum; }if ( $this->VMin > $Sum) { $this->VMin = $Sum; }}}$DataRange = $this->VMax - $this->VMin;if ( $DataRange == 0 ) { $DataRange = .1; }/* Compute automatic scaling */$ScaleOk = FALSE; $Factor = 1;$MinDivHeight = 25; $MaxDivs = ($this->GArea_Y2 - $this->GArea_Y1) / $MinDivHeight;if ($MaxDivs > 1){while(!$ScaleOk){$Scale1 = ( $this->VMax - $this->VMin ) / $Factor;$Scale2 = ( $this->VMax - $this->VMin ) / $Factor / 2;$Scale4 = ( $this->VMax - $this->VMin ) / $Factor / 4;if ( $Scale1 > 1 && $Scale1 <= $MaxDivs && !$ScaleOk) { $ScaleOk = TRUE; $Divisions = floor($Scale1); $Scale = 1;}if ( $Scale2 > 1 && $Scale2 <= $MaxDivs && !$ScaleOk) { $ScaleOk = TRUE; $Divisions = floor($Scale2); $Scale = 2;}if (!$ScaleOk){if ( $Scale2 > 1 ) { $Factor = $Factor * 10; }if ( $Scale2 < 1 ) { $Factor = $Factor / 10; }}}if ( floor($this->VMax / $Scale / $Factor) != $this->VMax / $Scale / $Factor){$GridID = floor ( $this->VMax / $Scale / $Factor) + 1;$this->VMax = $GridID * $Scale * $Factor;$Divisions++;}if ( floor($this->VMin / $Scale / $Factor) != $this->VMin / $Scale / $Factor){$GridID = floor( $this->VMin / $Scale / $Factor);$this->VMin = $GridID * $Scale * $Factor;$Divisions++;}}else /* Can occurs for small graphs */$Scale = 1;if ( !isset($Divisions) )$Divisions = 2;if ($Scale == 1 && $Divisions%2 == 1)$Divisions--;}else$Divisions = $this->Divisions;$this->DivisionCount = $Divisions;$DataRange = $this->VMax - $this->VMin;if ( $DataRange == 0 ) { $DataRange = .1; }$this->DivisionHeight = ( $this->GArea_Y2 - $this->GArea_Y1 ) / $Divisions;$this->DivisionRatio = ( $this->GArea_Y2 - $this->GArea_Y1 ) / $DataRange;$this->GAreaXOffset = 0;if ( count($Data) > 1 ){if ( $WithMargin == FALSE )$this->DivisionWidth = ( $this->GArea_X2 - $this->GArea_X1 ) / (count($Data)-1);else{$this->DivisionWidth = ( $this->GArea_X2 - $this->GArea_X1 ) / (count($Data));$this->GAreaXOffset = $this->DivisionWidth / 2;}}else{$this->DivisionWidth = $this->GArea_X2 - $this->GArea_X1;$this->GAreaXOffset = $this->DivisionWidth / 2;}$this->DataCount = count($Data);if ( $DrawTicks == FALSE )return(0);$YPos = $this->GArea_Y2; $XMin = NULL;for($i=1;$i<=$Divisions+1;$i++){$this->drawLine($this->GArea_X1,$YPos,$this->GArea_X1-5,$YPos,$R,$G,$B);$Value = $this->VMin + ($i-1) * (( $this->VMax - $this->VMin ) / $Divisions);$Value = floor($Value * pow(10,$Decimals)) / pow(10,$Decimals);if ( $DataDescription["Format"]["Y"] == "number" )$Value = $Value.$DataDescription["Unit"]["Y"];if ( $DataDescription["Format"]["Y"] == "time" )$Value = $this->ToTime($Value);if ( $DataDescription["Format"]["Y"] == "date" )$Value = $this->ToDate($Value);if ( $DataDescription["Format"]["Y"] == "metric" )$Value = $this->ToMetric($Value);$Position = imageftbbox($this->FontSize,0,$this->FontName,$Value);$TextWidth = $Position[2]-$Position[0];imagettftext($this->Picture,$this->FontSize,0,$this->GArea_X1-10-$TextWidth,$YPos+($this->FontSize/2),$C_TextColor,$this->FontName,$Value);if ( $XMin > $this->GArea_X1-10-$TextWidth || $XMin == NULL ) { $XMin = $this->GArea_X1-10-$TextWidth; }$YPos = $YPos - $this->DivisionHeight;}/* Write the Y Axis caption if set */if ( isset($DataDescription["Axis"]["Y"]) ){$Position = imageftbbox($this->FontSize,90,$this->FontName,$DataDescription["Axis"]["Y"]);$TextHeight = abs($Position[1])+abs($Position[3]);$TextTop = (($this->GArea_Y2 - $this->GArea_Y1) / 2) + $this->GArea_Y1 + ($TextHeight/2);imagettftext($this->Picture,$this->FontSize,90,$XMin-$this->FontSize,$TextTop,$C_TextColor,$this->FontName,$DataDescription["Axis"]["Y"]);}/* Horizontal Axis */$XPos = $this->GArea_X1 + $this->GAreaXOffset;$ID = 1; $YMax = NULL;foreach ( $Data as $Key => $Values ){if ( $ID % $SkipLabels == 0 ){$this->drawLine(floor($XPos),$this->GArea_Y2,floor($XPos),$this->GArea_Y2+5,$R,$G,$B);$Value = $Data[$Key][$DataDescription["Position"]];if ( $DataDescription["Format"]["X"] == "number" )$Value = $Value.$DataDescription["Unit"]["X"];if ( $DataDescription["Format"]["X"] == "time" )$Value = $this->ToTime($Value);if ( $DataDescription["Format"]["X"] == "date" )$Value = $this->ToDate($Value);if ( $DataDescription["Format"]["X"] == "metric" )$Value = $this->ToMetric($Value);$Position = imageftbbox($this->FontSize,$Angle,$this->FontName,$Value);$TextWidth = abs($Position[2])+abs($Position[0]);$TextHeight = abs($Position[1])+abs($Position[3]);if ( $Angle == 0 ){$YPos = $this->GArea_Y2+18;imagettftext($this->Picture,$this->FontSize,$Angle,floor($XPos)-floor($TextWidth/2),$YPos,$C_TextColor,$this->FontName,$Value);}else{$YPos = $this->GArea_Y2+10+$TextHeight;if ( $Angle <= 90 )imagettftext($this->Picture,$this->FontSize,$Angle,floor($XPos)-$TextWidth+5,$YPos,$C_TextColor,$this->FontName,$Value);elseimagettftext($this->Picture,$this->FontSize,$Angle,floor($XPos)+$TextWidth+5,$YPos,$C_TextColor,$this->FontName,$Value);}if ( $YMax < $YPos || $YMax == NULL ) { $YMax = $YPos; }}$XPos = $XPos + $this->DivisionWidth;$ID++;}/* Write the X Axis caption if set */if ( isset($DataDescription["Axis"]["X"]) ){$Position = imageftbbox($this->FontSize,90,$this->FontName,$DataDescription["Axis"]["X"]);$TextWidth = abs($Position[2])+abs($Position[0]);$TextLeft = (($this->GArea_X2 - $this->GArea_X1) / 2) + $this->GArea_X1 + ($TextWidth/2);imagettftext($this->Picture,$this->FontSize,0,$TextLeft,$YMax+$this->FontSize+5,$C_TextColor,$this->FontName,$DataDescription["Axis"]["X"]);}}/* Compute and draw the scale */function drawGrid($LineWidth,$Mosaic=TRUE,$R=220,$G=220,$B=220,$Alpha=100){/* Draw mosaic */if ( $Mosaic ){$LayerWidth = $this->GArea_X2-$this->GArea_X1;$LayerHeight = $this->GArea_Y2-$this->GArea_Y1;$this->Layers[0] = imagecreatetruecolor($LayerWidth,$LayerHeight);$C_White = imagecolorallocate($this->Layers[0],255,255,255);imagefilledrectangle($this->Layers[0],0,0,$LayerWidth,$LayerHeight,$C_White);imagecolortransparent($this->Layers[0],$C_White);$C_Rectangle = imagecolorallocate($this->Layers[0],250,250,250);$YPos = $LayerHeight; //$this->GArea_Y2-1;$LastY = $YPos;for($i=0;$i<=$this->DivisionCount;$i++){$LastY = $YPos;$YPos = $YPos - $this->DivisionHeight;if ( $YPos <= 0 ) { $YPos = 1; }if ( $i % 2 == 0 ){imagefilledrectangle($this->Layers[0],1,$YPos,$LayerWidth-1,$LastY,$C_Rectangle);}}imagecopymerge($this->Picture,$this->Layers[0],$this->GArea_X1,$this->GArea_Y1,0,0,$LayerWidth,$LayerHeight,$Alpha);imagedestroy($this->Layers[0]);}/* Horizontal lines */$YPos = $this->GArea_Y2 - $this->DivisionHeight;for($i=1;$i<=$this->DivisionCount;$i++){if ( $YPos > $this->GArea_Y1 && $YPos < $this->GArea_Y2 )$this->drawDottedLine($this->GArea_X1,$YPos,$this->GArea_X2,$YPos,$LineWidth,$R,$G,$B);$YPos = $YPos - $this->DivisionHeight;}/* Vertical lines */if ( $this->GAreaXOffset == 0 ){ $XPos = $this->GArea_X1 + $this->DivisionWidth + $this->GAreaXOffset; $ColCount = $this->DataCount-2; }else{ $XPos = $this->GArea_X1 + $this->GAreaXOffset; $ColCount = $this->DataCount; }for($i=1;$i<=$ColCount;$i++){if ( $XPos > $this->GArea_X1 && $XPos < $this->GArea_X2 )$this->drawDottedLine(floor($XPos),$this->GArea_Y1,floor($XPos),$this->GArea_Y2,$LineWidth,$R,$G,$B);$XPos = $XPos + $this->DivisionWidth;}}/* retrieve the legends size */function getLegendBoxSize($DataDescription){if ( !isset($DataDescription["Description"]) )return(-1);/* <-10->[8]<-4->Text<-10-> */$MaxWidth = 0; $MaxHeight = 8;foreach($DataDescription["Description"] as $Key => $Value){$Position = imageftbbox($this->FontSize,0,$this->FontName,$Value);$TextWidth = $Position[2]-$Position[0];if ( $TextWidth > $MaxWidth) { $MaxWidth = $TextWidth; }$MaxHeight = $MaxHeight + ( $this->FontSize + 6 );}$MaxHeight = $MaxHeight - 3;$MaxWidth = $MaxWidth + 32;return(array($MaxWidth,$MaxHeight));}/* Draw the data legends */function drawLegend($XPos,$YPos,&$DataDescription,$R,$G,$B){/* Validate the Data and DataDescription array */$this->validateDataDescription("drawLegend",$DataDescription);if ( !isset($DataDescription["Description"]) )return(-1);$C_TextColor = imagecolorallocate($this->Picture,0,0,0);/* <-10->[8]<-4->Text<-10-> */$MaxWidth = 0; $MaxHeight = 8;foreach($DataDescription["Description"] as $Key => $Value){$Position = imageftbbox($this->FontSize,0,$this->FontName,$Value);$TextWidth = $Position[2]-$Position[0];if ( $TextWidth > $MaxWidth) { $MaxWidth = $TextWidth; }$MaxHeight = $MaxHeight + ( $this->FontSize + 6 );}$MaxHeight = $MaxHeight - 5;$MaxWidth = $MaxWidth + 32;$this->drawFilledRoundedRectangle($XPos+1,$YPos+1,$XPos+$MaxWidth+1,$YPos+$MaxHeight+1,5,$R-30,$G-30,$B-30);$this->drawFilledRoundedRectangle($XPos,$YPos,$XPos+$MaxWidth,$YPos+$MaxHeight,5,$R,$G,$B);$YOffset = 4 + $this->FontSize; $ID = 0;foreach($DataDescription["Description"] as $Key => $Value){$this->drawFilledRoundedRectangle($XPos+10,$YPos+$YOffset-4,$XPos+14,$YPos+$YOffset-4,2,$this->Palette[$ID]["R"],$this->Palette[$ID]["G"],$this->Palette[$ID]["B"]);imagettftext($this->Picture,$this->FontSize,0,$XPos+22,$YPos+$YOffset,$C_TextColor,$this->FontName,$Value);$YOffset = $YOffset + ( $this->FontSize + 6 );$ID++;}}/* Draw the data legends */function drawPieLegend($XPos,$YPos,&$Data,&$DataDescription,$R,$G,$B){/* Validate the Data and DataDescription array */$this->validateDataDescription("drawPieLegend",$DataDescription,FALSE);$this->validateData("drawPieLegend",$Data);if ( !isset($DataDescription["Position"]) )return(-1);$C_TextColor = imagecolorallocate($this->Picture,0,0,0);/* <-10->[8]<-4->Text<-10-> */$MaxWidth = 0; $MaxHeight = 8;foreach($Data as $Key => $Value){$Value2 = $Value[$DataDescription["Position"]];$Position = imageftbbox($this->FontSize,0,$this->FontName,$Value2);$TextWidth = $Position[2]-$Position[0];if ( $TextWidth > $MaxWidth) { $MaxWidth = $TextWidth; }$MaxHeight = $MaxHeight + ( $this->FontSize + 6 );}$MaxHeight = $MaxHeight - 3;$MaxWidth = $MaxWidth + 32;$this->drawFilledRoundedRectangle($XPos+1,$YPos+1,$XPos+$MaxWidth+1,$YPos+$MaxHeight+1,5,$R-30,$G-30,$B-30);$this->drawFilledRoundedRectangle($XPos,$YPos,$XPos+$MaxWidth,$YPos+$MaxHeight,5,$R,$G,$B);$YOffset = 4 + $this->FontSize; $ID = 0;foreach($Data as $Key => $Value){$Value2 = $Value[$DataDescription["Position"]];$this->drawFilledRectangle($XPos+10,$YPos+$YOffset-6,$XPos+14,$YPos+$YOffset-2,$this->Palette[$ID]["R"],$this->Palette[$ID]["G"],$this->Palette[$ID]["B"]);imagettftext($this->Picture,$this->FontSize,0,$XPos+22,$YPos+$YOffset,$C_TextColor,$this->FontName,$Value2);$YOffset = $YOffset + ( $this->FontSize + 6 );$ID++;}}/* Draw the graph title */function drawTitle($XPos,$YPos,$Value,$R,$G,$B,$XPos2 = -1, $YPos2 = -1){$C_TextColor = imagecolorallocate($this->Picture,$R,$G,$B);if ( $XPos2 != -1 ){$Position = imageftbbox($this->FontSize,0,$this->FontName,$Value);$TextWidth = $Position[2]-$Position[0];$XPos = floor(( $XPos2 - $XPos - $TextWidth ) / 2 ) + $XPos;}if ( $YPos2 != -1 ){$Position = imageftbbox($this->FontSize,0,$this->FontName,$Value);$TextHeight = $Position[5]-$Position[3];$YPos = floor(( $YPos2 - $YPos - $TextHeight ) / 2 ) + $YPos;}imagettftext($this->Picture,$this->FontSize,0,$XPos,$YPos,$C_TextColor,$this->FontName,$Value);}/* Compute and draw the scale */function drawTreshold($Value,$R,$G,$B,$ShowLabel=FALSE,$ShowOnRight=FALSE,$TickWidth=4){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 ) { $B = 255; }$C_TextColor = imagecolorallocate($this->Picture,$R,$G,$B);$Y = $this->GArea_Y2 - ($Value - $this->VMin) * $this->DivisionRatio;if ( $Y <= $this->GArea_Y1 || $Y >= $this->GArea_Y2 )return(-1);if ( $TickWidth == 0 )$this->drawLine($this->GArea_X1,$Y,$this->GArea_X2,$Y,$R,$G,$B);else$this->drawDottedLine($this->GArea_X1,$Y,$this->GArea_X2,$Y,$TickWidth,$R,$G,$B);if ( $ShowLabel ){if ( $ShowOnRight )imagettftext($this->Picture,$this->FontSize,0,$this->GArea_X2+2,$Y+($this->FontSize/2),$C_TextColor,$this->FontName,$Value);elseimagettftext($this->Picture,$this->FontSize,0,$this->GArea_X1+2,$Y-($this->FontSize/2),$C_TextColor,$this->FontName,$Value);}}/* This function put a label on a specific point */function setLabel(&$Data,&$DataDescription,$SerieName,$ValueName,$Caption,$R=210,$G=210,$B=210){/* Validate the Data and DataDescription array */$this->validateDataDescription("setLabel",$DataDescription);$this->validateData("setLabel",$Data);$C_Label = imagecolorallocate($this->Picture,$R,$G,$B);$C_Shadow = imagecolorallocate($this->Picture,$R-30,$G-30,$B-30);$C_TextColor = imagecolorallocate($this->Picture,0,0,0);$Cp = 0; $Found = FALSE;foreach ( $Data as $Key => $Value ){if ( $Data[$Key][$DataDescription["Position"]] == $ValueName ){ $NumericalValue = $Data[$Key][$SerieName]; $Found = TRUE; }if ( !$Found )$Cp++;}$XPos = $this->GArea_X1 + $this->GAreaXOffset + ( $this->DivisionWidth * $Cp ) + 2;$YPos = $this->GArea_Y2 - ($NumericalValue - $this->VMin) * $this->DivisionRatio;$Position = imageftbbox($this->FontSize,0,$this->FontName,$Caption);$TextHeight = $Position[3] - $Position[5];$TextWidth = $Position[2]-$Position[0];$TextOffset = floor($TextHeight/2);// Shadow$Poly = array($XPos+1,$YPos+1,$XPos + 9,$YPos - $TextOffset,$XPos + 8,$YPos + $TextOffset + 2);imagefilledpolygon($this->Picture,$Poly,3,$C_Shadow);$this->drawLine($XPos,$YPos+1,$XPos + 9,$YPos - $TextOffset - 1,$R-30,$G-30,$B-30);$this->drawLine($XPos,$YPos+1,$XPos + 9,$YPos + $TextOffset + 3,$R-30,$G-30,$B-30);$this->drawFilledRectangle($XPos + 9,$YPos - $TextOffset,$XPos + 13 + $TextWidth,$YPos + $TextOffset + 2,$R-30,$G-30,$B-30);// Label background$Poly = array($XPos,$YPos,$XPos + 8,$YPos - $TextOffset - 1,$XPos + 8,$YPos + $TextOffset + 1);imagefilledpolygon($this->Picture,$Poly,3,$C_Label);$this->drawLine($XPos-1,$YPos,$XPos + 8,$YPos - $TextOffset - 2,$R,$G,$B);$this->drawLine($XPos-1,$YPos,$XPos + 8,$YPos + $TextOffset + 2,$R,$G,$B);$this->drawFilledRectangle($XPos + 8,$YPos - $TextOffset - 1,$XPos + 12 + $TextWidth,$YPos + $TextOffset + 1,$R,$G,$B);imagettftext($this->Picture,$this->FontSize,0,$XPos + 10,$YPos + $TextOffset,$C_TextColor,$this->FontName,$Caption);}/* This function draw a line graph */function drawPlotGraph(&$Data,&$DataDescription,$BigRadius=5,$SmallRadius=2,$R2=-1,$G2=-1,$B2=-1){/* Validate the Data and DataDescription array */$this->validateDataDescription("drawPlotGraph",$DataDescription);$this->validateData("drawPlotGraph",$Data);$GraphID = 0;foreach ( $DataDescription["Values"] as $Key2 => $ColName ){$ID = 0;foreach ( $DataDescription["Description"] as $keyI => $ValueI ){ if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }$XPos = $this->GArea_X1 + $this->GAreaXOffset;foreach ( $Data as $Key => $Values ){$Value = $Data[$Key][$ColName];$YPos = $this->GArea_Y2 - (($Value-$this->VMin) * $this->DivisionRatio);if ( is_numeric($Value) ){$R = $this->Palette[$ColorID]["R"];$G = $this->Palette[$ColorID]["G"];$B = $this->Palette[$ColorID]["B"];$this->drawFilledCircle($XPos+1,$YPos+1,$BigRadius,$R,$G,$B);if ( $R2 !=-1 && $G2 !=-1 && $B2 !=-1 )$this->drawFilledCircle($XPos+1,$YPos+1,$SmallRadius,$R2,$G2,$B2);else{$R = $this->Palette[$ColorID]["R"]-5; if ( $R < 0 ) { $R = 0; }$G = $this->Palette[$ColorID]["G"]-5; if ( $G < 0 ) { $G = 0; }$B = $this->Palette[$ColorID]["B"]-5; if ( $B < 0 ) { $B = 0; }$this->drawFilledCircle($XPos+1,$YPos+1,$SmallRadius,$R,$G,$B);}}$XPos = $XPos + $this->DivisionWidth;}$GraphID++;}}/* This function draw an area between two series */function drawArea(&$Data,$Serie1,$Serie2,$R,$G,$B,$Alpha = 50){/* Validate the Data and DataDescription array */$this->validateData("drawArea",$Data);$LayerWidth = $this->GArea_X2-$this->GArea_X1;$LayerHeight = $this->GArea_Y2-$this->GArea_Y1;$this->Layers[0] = imagecreatetruecolor($LayerWidth,$LayerHeight);$C_White = imagecolorallocate($this->Layers[0],255,255,255);imagefilledrectangle($this->Layers[0],0,0,$LayerWidth,$LayerHeight,$C_White);imagecolortransparent($this->Layers[0],$C_White);$C_Graph = imagecolorallocate($this->Layers[0],$R,$G,$B);$XPos = $this->GAreaXOffset;$LastXPos = -1;foreach ( $Data as $Key => $Values ){$Value1 = $Data[$Key][$Serie1];$Value2 = $Data[$Key][$Serie2];$YPos1 = $LayerHeight - (($Value1-$this->VMin) * $this->DivisionRatio);$YPos2 = $LayerHeight - (($Value2-$this->VMin) * $this->DivisionRatio);if ( $LastXPos != -1 ){$Points = "";$Points[] = $LastXPos; $Points[] = $LastYPos1;$Points[] = $LastXPos; $Points[] = $LastYPos2;$Points[] = $XPos; $Points[] = $YPos2;$Points[] = $XPos; $Points[] = $YPos1;imagefilledpolygon($this->Layers[0],$Points,4,$C_Graph);}$LastYPos1 = $YPos1;$LastYPos2 = $YPos2;$LastXPos = $XPos;$XPos = $XPos + $this->DivisionWidth;}imagecopymerge($this->Picture,$this->Layers[0],$this->GArea_X1,$this->GArea_Y1,0,0,$LayerWidth,$LayerHeight,$Alpha);imagedestroy($this->Layers[0]);}/* This function write the values of the specified series */function writeValues(&$Data,&$DataDescription,$Series){/* Validate the Data and DataDescription array */$this->validateDataDescription("writeValues",$DataDescription);$this->validateData("writeValues",$Data);if ( !is_array($Series) ) { $Series = array($Series); }foreach($Series as $Key => $Serie){$ID = 0;foreach ( $DataDescription["Description"] as $keyI => $ValueI ){ if ( $keyI == $Serie ) { $ColorID = $ID; }; $ID++; }$XPos = $this->GArea_X1 + $this->GAreaXOffset;$XLast = -1;foreach ( $Data as $Key => $Values ){if ( isset($Data[$Key][$Serie]) && is_numeric($Data[$Key][$Serie])){$Value = $Data[$Key][$Serie];$YPos = $this->GArea_Y2 - (($Value-$this->VMin) * $this->DivisionRatio);$Positions = imagettfbbox($this->FontSize,0,$this->FontName,$Value);$Width = $Positions[2] - $Positions[6]; $XOffset = $XPos - ($Width/2);$Height = $Positions[3] - $Positions[7]; $YOffset = $YPos - 4;$C_TextColor = imagecolorallocate($this->Picture,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);imagettftext($this->Picture,$this->FontSize,0,$XOffset,$YOffset,$C_TextColor,$this->FontName,$Value);}$XPos = $XPos + $this->DivisionWidth;}}}/* This function draw a line graph */function drawLineGraph(&$Data,&$DataDescription,$SerieName=""){/* Validate the Data and DataDescription array */$this->validateDataDescription("drawLineGraph",$DataDescription);$this->validateData("drawLineGraph",$Data);$GraphID = 0;foreach ( $DataDescription["Values"] as $Key2 => $ColName ){$ID = 0;foreach ( $DataDescription["Description"] as $keyI => $ValueI ){ if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }if ( $SerieName == "" || $SerieName == $ColName ){$XPos = $this->GArea_X1 + $this->GAreaXOffset;$XLast = -1;foreach ( $Data as $Key => $Values ){if ( isset($Data[$Key][$ColName])){$Value = $Data[$Key][$ColName];$YPos = $this->GArea_Y2 - (($Value-$this->VMin) * $this->DivisionRatio);if (!is_numeric($Value)) { $XLast = -1; }if ( $XLast != -1 )$this->drawLine($XLast,$YLast,$XPos,$YPos,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE);$XLast = $XPos;$YLast = $YPos;if (!is_numeric($Value)) { $XLast = -1; }}$XPos = $XPos + $this->DivisionWidth;}$GraphID++;}}}/* This function draw a cubic curve */function drawCubicCurve(&$Data,&$DataDescription,$Accuracy=.1,$SerieName=""){/* Validate the Data and DataDescription array */$this->validateDataDescription("drawCubicCurve",$DataDescription);$this->validateData("drawCubicCurve",$Data);$GraphID = 0;foreach ( $DataDescription["Values"] as $Key2 => $ColName ){if ( $SerieName == "" || $SerieName == $ColName ){$XIn = ""; $Yin = ""; $Yt = ""; $U = "";$XIn[0] = 0; $YIn[0] = 0;$ID = 0;foreach ( $DataDescription["Description"] as $keyI => $ValueI ){ if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }$Index = 1;$XLast = -1; $Missing = "";foreach ( $Data as $Key => $Values ){if ( isset($Data[$Key][$ColName]) ){$Value = $Data[$Key][$ColName];$XIn[$Index] = $Index;$YIn[$Index] = $Value;if ( !is_numeric($Value) ) { $Missing[$Index] = TRUE; }$Index++;}}$Index--;$Yt[0] = 0;$Yt[1] = 0;$U[1] = 0;for($i=2;$i<=$Index-1;$i++){$Sig = ($XIn[$i] - $XIn[$i-1]) / ($XIn[$i+1] - $XIn[$i-1]);$p = $Sig * $Yt[$i-1] + 2;$Yt[$i] = ($Sig - 1) / $p;$U[$i] = ($YIn[$i+1] - $YIn[$i]) / ($XIn[$i+1] - $XIn[$i]) - ($YIn[$i] - $YIn[$i-1]) / ($XIn[$i] - $XIn[$i-1]);$U[$i] = (6 * $U[$i] / ($XIn[$i+1] - $XIn[$i-1]) - $Sig * $U[$i-1]) / $p;}$qn = 0;$un = 0;$Yt[$Index] = ($un - $qn * $U[$Index-1]) / ($qn * $Yt[$Index-1] + 1);for($k=$Index-1;$k>=1;$k--)$Yt[$k] = $Yt[$k] * $Yt[$k+1] + $U[$k];$XPos = $this->GArea_X1 + $this->GAreaXOffset;for($X=1;$X<=$Index;$X=$X+$Accuracy){$klo = 1;$khi = $Index;$k = $khi - $klo;while($k > 1){$k = $khi - $klo;If ( $XIn[$k] >= $X )$khi = $k;else$klo = $k;}$klo = $khi - 1;$h = $XIn[$khi] - $XIn[$klo];$a = ($XIn[$khi] - $X) / $h;$b = ($X - $XIn[$klo]) / $h;$Value = $a * $YIn[$klo] + $b * $YIn[$khi] + (($a*$a*$a - $a) * $Yt[$klo] + ($b*$b*$b - $b) * $Yt[$khi]) * ($h*$h) / 6;$YPos = $this->GArea_Y2 - (($Value-$this->VMin) * $this->DivisionRatio);if ( $XLast != -1 && !isset($Missing[floor($X)]) && !isset($Missing[floor($X+1)]) )$this->drawLine($XLast,$YLast,$XPos,$YPos,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE);$XLast = $XPos;$YLast = $YPos;$XPos = $XPos + $this->DivisionWidth * $Accuracy;}// Add potentialy missing values$XPos = $XPos - $this->DivisionWidth * $Accuracy;if ( $XPos < ($this->GArea_X2 - $this->GAreaXOffset) ){$YPos = $this->GArea_Y2 - (($YIn[$Index]-$this->VMin) * $this->DivisionRatio);$this->drawLine($XLast,$YLast,$this->GArea_X2-$this->GAreaXOffset,$YPos,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE);}$GraphID++;}}}/* This function draw a filled cubic curve */function drawFilledCubicCurve(&$Data,&$DataDescription,$Accuracy=.1,$Alpha=100,$AroundZero=FALSE){/* Validate the Data and DataDescription array */$this->validateDataDescription("drawFilledCubicCurve",$DataDescription);$this->validateData("drawFilledCubicCurve",$Data);$LayerWidth = $this->GArea_X2-$this->GArea_X1;$LayerHeight = $this->GArea_Y2-$this->GArea_Y1;$YZero = $LayerHeight - ((0-$this->VMin) * $this->DivisionRatio);if ( $YZero > $LayerHeight ) { $YZero = $LayerHeight; }$GraphID = 0;foreach ( $DataDescription["Values"] as $Key2 => $ColName ){$XIn = ""; $Yin = ""; $Yt = ""; $U = "";$XIn[0] = 0; $YIn[0] = 0;$ID = 0;foreach ( $DataDescription["Description"] as $keyI => $ValueI ){ if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }$Index = 1;$XLast = -1; $Missing = "";foreach ( $Data as $Key => $Values ){$Value = $Data[$Key][$ColName];$XIn[$Index] = $Index;$YIn[$Index] = $Value;if ( !is_numeric($Value) ) { $Missing[$Index] = TRUE; }$Index++;}$Index--;$Yt[0] = 0;$Yt[1] = 0;$U[1] = 0;for($i=2;$i<=$Index-1;$i++){$Sig = ($XIn[$i] - $XIn[$i-1]) / ($XIn[$i+1] - $XIn[$i-1]);$p = $Sig * $Yt[$i-1] + 2;$Yt[$i] = ($Sig - 1) / $p;$U[$i] = ($YIn[$i+1] - $YIn[$i]) / ($XIn[$i+1] - $XIn[$i]) - ($YIn[$i] - $YIn[$i-1]) / ($XIn[$i] - $XIn[$i-1]);$U[$i] = (6 * $U[$i] / ($XIn[$i+1] - $XIn[$i-1]) - $Sig * $U[$i-1]) / $p;}$qn = 0;$un = 0;$Yt[$Index] = ($un - $qn * $U[$Index-1]) / ($qn * $Yt[$Index-1] + 1);for($k=$Index-1;$k>=1;$k--)$Yt[$k] = $Yt[$k] * $Yt[$k+1] + $U[$k];$Points = "";$Points[] = $this->GAreaXOffset;$Points[] = $LayerHeight;$this->Layers[0] = imagecreatetruecolor($LayerWidth,$LayerHeight);$C_White = imagecolorallocate($this->Layers[0],255,255,255);imagefilledrectangle($this->Layers[0],0,0,$LayerWidth,$LayerHeight,$C_White);imagecolortransparent($this->Layers[0],$C_White);$YLast = NULL;$XPos = $this->GAreaXOffset; $PointsCount = 2;for($X=1;$X<=$Index;$X=$X+$Accuracy){$klo = 1;$khi = $Index;$k = $khi - $klo;while($k > 1){$k = $khi - $klo;If ( $XIn[$k] >= $X )$khi = $k;else$klo = $k;}$klo = $khi - 1;$h = $XIn[$khi] - $XIn[$klo];$a = ($XIn[$khi] - $X) / $h;$b = ($X - $XIn[$klo]) / $h;$Value = $a * $YIn[$klo] + $b * $YIn[$khi] + (($a*$a*$a - $a) * $Yt[$klo] + ($b*$b*$b - $b) * $Yt[$khi]) * ($h*$h) / 6;$YPos = $LayerHeight - (($Value-$this->VMin) * $this->DivisionRatio);if ( $YLast != NULL && $AroundZero && !isset($Missing[floor($X)]) && !isset($Missing[floor($X+1)])){$aPoints = "";$aPoints[] = $XLast;$aPoints[] = $YLast;$aPoints[] = $XPos;$aPoints[] = $YPos;$aPoints[] = $XPos;$aPoints[] = $YZero;$aPoints[] = $XLast;$aPoints[] = $YZero;$C_Graph = imagecolorallocate($this->Layers[0],$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);imagefilledpolygon($this->Layers[0],$aPoints,4,$C_Graph);}if ( !isset($Missing[floor($X)]) || $YLast == NULL ){$PointsCount++;$Points[] = $XPos;$Points[] = $YPos;}else{$PointsCount++; $Points[] = $XLast; $Points[] = $LayerHeight;}$YLast = $YPos; $XLast = $XPos;$XPos = $XPos + $this->DivisionWidth * $Accuracy;}// Add potentialy missing values$XPos = $XPos - $this->DivisionWidth * $Accuracy;if ( $XPos < ($LayerWidth-$this->GAreaXOffset) ){$YPos = $LayerHeight - (($YIn[$Index]-$this->VMin) * $this->DivisionRatio);if ( $YLast != NULL && $AroundZero ){$aPoints = "";$aPoints[] = $XLast;$aPoints[] = $YLast;$aPoints[] = $LayerWidth-$this->GAreaXOffset;$aPoints[] = $YPos;$aPoints[] = $LayerWidth-$this->GAreaXOffset;$aPoints[] = $YZero;$aPoints[] = $XLast;$aPoints[] = $YZero;$C_Graph = imagecolorallocate($this->Layers[0],$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);imagefilledpolygon($this->Layers[0],$aPoints,4,$C_Graph);}if ( $YIn[$klo] != "" && $YIn[$khi] != "" || $YLast == NULL ){$PointsCount++;$Points[] = $LayerWidth-$this->GAreaXOffset;$Points[] = $YPos;}}$Points[] = $LayerWidth-$this->GAreaXOffset;$Points[] = $LayerHeight;if ( !$AroundZero ){$C_Graph = imagecolorallocate($this->Layers[0],$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);imagefilledpolygon($this->Layers[0],$Points,$PointsCount,$C_Graph);}imagecopymerge($this->Picture,$this->Layers[0],$this->GArea_X1,$this->GArea_Y1,0,0,$LayerWidth,$LayerHeight,$Alpha);imagedestroy($this->Layers[0]);$this->drawCubicCurve($Data,$DataDescription,$Accuracy,$ColName);$GraphID++;}}/* This function draw a filled line graph */function drawFilledLineGraph(&$Data,&$DataDescription,$Alpha=100,$AroundZero=FALSE){$Empty = -2147483647;/* Validate the Data and DataDescription array */$this->validateDataDescription("drawFilledLineGraph",$DataDescription);$this->validateData("drawFilledLineGraph",$Data);$LayerWidth = $this->GArea_X2-$this->GArea_X1;$LayerHeight = $this->GArea_Y2-$this->GArea_Y1;$GraphID = 0;foreach ( $DataDescription["Values"] as $Key2 => $ColName ){$ID = 0;foreach ( $DataDescription["Description"] as $keyI => $ValueI ){ if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }$aPoints = "";$aPoints[] = $this->GAreaXOffset;$aPoints[] = $LayerHeight;$this->Layers[0] = imagecreatetruecolor($LayerWidth,$LayerHeight);$C_White = imagecolorallocate($this->Layers[0],255,255,255);imagefilledrectangle($this->Layers[0],0,0,$LayerWidth,$LayerHeight,$C_White);imagecolortransparent($this->Layers[0],$C_White);$XPos = $this->GAreaXOffset;$XLast = -1; $PointsCount = 2;$YZero = $LayerHeight - ((0-$this->VMin) * $this->DivisionRatio);if ( $YZero > $LayerHeight ) { $YZero = $LayerHeight; }$YLast = $Empty;foreach ( $Data as $Key => $Values ){$Value = $Data[$Key][$ColName];$YPos = $LayerHeight - (($Value-$this->VMin) * $this->DivisionRatio);if ( !is_numeric($Value) ){$PointsCount++;$aPoints[] = $XLast;$aPoints[] = $LayerHeight;$YLast = $Empty;}else{$PointsCount++;if ( $YLast <> $Empty ){ $aPoints[] = $XPos; $aPoints[] = $YPos; }else{ $PointsCount++; $aPoints[] = $XPos; $aPoints[] = $LayerHeight; $aPoints[] = $XPos; $aPoints[] = $YPos; }if ($YLast <> $Empty && $AroundZero){$Points = "";$Points[] = $XLast; $Points[] = $YLast;$Points[] = $XPos;$Points[] = $YPos;$Points[] = $XPos;$Points[] = $YZero;$Points[] = $XLast;$Points[] = $YZero;$C_Graph = imagecolorallocate($this->Layers[0],$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);imagefilledpolygon($this->Layers[0],$Points,4,$C_Graph);}$YLast = $YPos;}$XLast = $XPos;$XPos = $XPos + $this->DivisionWidth;}$aPoints[] = $LayerWidth - $this->GAreaXOffset;$aPoints[] = $LayerHeight;if ( $AroundZero == FALSE ){$C_Graph = imagecolorallocate($this->Layers[0],$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);imagefilledpolygon($this->Layers[0],$aPoints,$PointsCount,$C_Graph);}imagecopymerge($this->Picture,$this->Layers[0],$this->GArea_X1,$this->GArea_Y1,0,0,$LayerWidth,$LayerHeight,$Alpha);imagedestroy($this->Layers[0]);$GraphID++;$this->drawLineGraph($Data,$DataDescription,$ColName);}}/* This function draw a bar graph */function drawOverlayBarGraph(&$Data,&$DataDescription,$Alpha=50){/* Validate the Data and DataDescription array */$this->validateDataDescription("drawOverlayBarGraph",$DataDescription);$this->validateData("drawOverlayBarGraph",$Data);$LayerWidth = $this->GArea_X2-$this->GArea_X1;$LayerHeight = $this->GArea_Y2-$this->GArea_Y1;$GraphID = 0;foreach ( $DataDescription["Values"] as $Key2 => $ColName ){$ID = 0;foreach ( $DataDescription["Description"] as $keyI => $ValueI ){ if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }$this->Layers[$GraphID] = imagecreatetruecolor($LayerWidth,$LayerHeight);$C_White = imagecolorallocate($this->Layers[$GraphID],255,255,255);$C_Graph = imagecolorallocate($this->Layers[$GraphID],$this->Palette[$GraphID]["R"],$this->Palette[$GraphID]["G"],$this->Palette[$GraphID]["B"]);imagefilledrectangle($this->Layers[$GraphID],0,0,$LayerWidth,$LayerHeight,$C_White);imagecolortransparent($this->Layers[$GraphID],$C_White);$XWidth = $this->DivisionWidth / 4;$XPos = $this->GAreaXOffset;$YZero = $LayerHeight - ((0-$this->VMin) * $this->DivisionRatio);$XLast = -1; $PointsCount = 2;foreach ( $Data as $Key => $Values ){if ( isset($Data[$Key][$ColName]) ){$Value = $Data[$Key][$ColName];if ( is_numeric($Value) ){$YPos = $LayerHeight - (($Value-$this->VMin) * $this->DivisionRatio);imagefilledrectangle($this->Layers[$GraphID],$XPos-$XWidth,$YPos,$XPos+$XWidth,$YZero,$C_Graph);$X1 = floor($XPos - $XWidth + $this->GArea_X1); $Y1 = floor($YPos+$this->GArea_Y1) + .2;$X2 = floor($XPos + $XWidth + $this->GArea_X1);if ( $X1 <= $this->GArea_X1 ) { $X1 = $this->GArea_X1 + 1; }if ( $X2 >= $this->GArea_X2 ) { $X2 = $this->GArea_X2 - 1; }$this->drawLine($X1,$Y1,$X2,$Y1,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE);}}$XPos = $XPos + $this->DivisionWidth;}$GraphID++;}for($i=0;$i<=($GraphID-1);$i++){imagecopymerge($this->Picture,$this->Layers[$i],$this->GArea_X1,$this->GArea_Y1,0,0,$LayerWidth,$LayerHeight,$Alpha);imagedestroy($this->Layers[$i]);}}/* This function draw a bar graph */function drawBarGraph(&$Data,&$DataDescription,$Shadow=FALSE,$Alpha=100){/* Validate the Data and DataDescription array */$this->validateDataDescription("drawBarGraph",$DataDescription);$this->validateData("drawBarGraph",$Data);$GraphID = 0;$Series = count($DataDescription["Values"]);$SeriesWidth = $this->DivisionWidth / ($Series+1);$SerieXOffset = $this->DivisionWidth / 2 - $SeriesWidth / 2;$YZero = $this->GArea_Y2 - ((0-$this->VMin) * $this->DivisionRatio);if ( $YZero > $this->GArea_Y2 ) { $YZero = $this->GArea_Y2; }$SerieID = 0;foreach ( $DataDescription["Values"] as $Key2 => $ColName ){$ID = 0;foreach ( $DataDescription["Description"] as $keyI => $ValueI ){ if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }$XPos = $this->GArea_X1 + $this->GAreaXOffset - $SerieXOffset + $SeriesWidth * $SerieID;$XLast = -1;foreach ( $Data as $Key => $Values ){if ( isset($Data[$Key][$ColName])){if ( is_numeric($Data[$Key][$ColName]) ){$Value = $Data[$Key][$ColName];$YPos = $this->GArea_Y2 - (($Value-$this->VMin) * $this->DivisionRatio);if ( $Shadow && $Alpha == 100 )$this->drawRectangle($XPos+1,$YZero,$XPos+$SeriesWidth-1,$YPos,25,25,25,TRUE,$Alpha);$this->drawFilledRectangle($XPos+1,$YZero,$XPos+$SeriesWidth-1,$YPos,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE,$Alpha);}}$XPos = $XPos + $this->DivisionWidth;}$SerieID++;}}/* This function draw a stacked bar graph */function drawStackedBarGraph(&$Data,&$DataDescription,$Alpha=50){/* Validate the Data and DataDescription array */$this->validateDataDescription("drawBarGraph",$DataDescription);$this->validateData("drawBarGraph",$Data);$GraphID = 0;$Series = count($DataDescription["Values"]);$SeriesWidth = $this->DivisionWidth * .8;$YZero = $this->GArea_Y2 - ((0-$this->VMin) * $this->DivisionRatio);if ( $YZero > $this->GArea_Y2 ) { $YZero = $this->GArea_Y2; }$SerieID = 0; $LastValue = "";foreach ( $DataDescription["Values"] as $Key2 => $ColName ){$ID = 0;foreach ( $DataDescription["Description"] as $keyI => $ValueI ){ if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }$XPos = $this->GArea_X1 + $this->GAreaXOffset - $SeriesWidth / 2;$XLast = -1;foreach ( $Data as $Key => $Values ){if ( isset($Data[$Key][$ColName])){if ( is_numeric($Data[$Key][$ColName]) ){$Value = $Data[$Key][$ColName];if ( isset($LastValue[$Key]) ){$YPos = $this->GArea_Y2 - ((($Value+$LastValue[$Key])-$this->VMin) * $this->DivisionRatio);$YBottom = $this->GArea_Y2 - (($LastValue[$Key]-$this->VMin) * $this->DivisionRatio);$LastValue[$Key] += $Value;}else{$YPos = $this->GArea_Y2 - (($Value-$this->VMin) * $this->DivisionRatio);$YBottom = $YZero;$LastValue[$Key] = $Value;}$this->drawFilledRectangle($XPos+1,$YBottom,$XPos+$SeriesWidth-1,$YPos,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE,$Alpha);}}$XPos = $XPos + $this->DivisionWidth;}$SerieID++;}}/* This function draw a limits bar graphs */function drawLimitsGraph(&$Data,&$DataDescription,$R=0,$G=0,$B=0){/* Validate the Data and DataDescription array */$this->validateDataDescription("drawLimitsGraph",$DataDescription);$this->validateData("drawLimitsGraph",$Data);$XWidth = $this->DivisionWidth / 4;$XPos = $this->GArea_X1 + $this->GAreaXOffset;foreach ( $Data as $Key => $Values ){$Min = $Data[$Key][$DataDescription["Values"][0]];$Max = $Data[$Key][$DataDescription["Values"][0]];$GraphID = 0; $MaxID = 0; $MinID = 0;foreach ( $DataDescription["Values"] as $Key2 => $ColName ){if ( isset($Data[$Key][$ColName]) ){if ( $Data[$Key][$ColName] > $Max && is_numeric($Data[$Key][$ColName])){ $Max = $Data[$Key][$ColName]; $MaxID = $GraphID; }}if ( isset($Data[$Key][$ColName]) && is_numeric($Data[$Key][$ColName])){if ( $Data[$Key][$ColName] < $Min ){ $Min = $Data[$Key][$ColName]; $MinID = $GraphID; }$GraphID++;}}$YPos = $this->GArea_Y2 - (($Max-$this->VMin) * $this->DivisionRatio);$X1 = floor($XPos - $XWidth); $Y1 = floor($YPos) - .2;$X2 = floor($XPos + $XWidth);if ( $X1 <= $this->GArea_X1 ) { $X1 = $this->GArea_X1 + 1; }if ( $X2 >= $this->GArea_X2 ) { $X2 = $this->GArea_X2 - 1; }$YPos = $this->GArea_Y2 - (($Min-$this->VMin) * $this->DivisionRatio);$Y2 = floor($YPos) + .2;$this->drawLine(floor($XPos)-.2,$Y1+1,floor($XPos)-.2,$Y2-1,$R,$G,$B,TRUE);$this->drawLine(floor($XPos)+.2,$Y1+1,floor($XPos)+.2,$Y2-1,$R,$G,$B,TRUE);$this->drawLine($X1,$Y1,$X2,$Y1,$this->Palette[$MaxID]["R"],$this->Palette[$MaxID]["G"],$this->Palette[$MaxID]["B"],FALSE);$this->drawLine($X1,$Y2,$X2,$Y2,$this->Palette[$MinID]["R"],$this->Palette[$MinID]["G"],$this->Palette[$MinID]["B"],FALSE);$XPos = $XPos + $this->DivisionWidth;}}/* This function draw radar axis centered on the graph area */function drawRadarAxis(&$Data,&$DataDescription,$Mosaic=TRUE,$BorderOffset=10,$A_R=60,$A_G=60,$A_B=60,$S_R=200,$S_G=200,$S_B=200,$MaxValue=-1){/* Validate the Data and DataDescription array */$this->validateDataDescription("drawRadarAxis",$DataDescription);$this->validateData("drawRadarAxis",$Data);$C_TextColor = imagecolorallocate($this->Picture,$A_R,$A_G,$A_B);/* Draw radar axis */$Points = count($Data);$Radius = ( $this->GArea_Y2 - $this->GArea_Y1 ) / 2 - $BorderOffset;$XCenter = ( $this->GArea_X2 - $this->GArea_X1 ) / 2 + $this->GArea_X1;$YCenter = ( $this->GArea_Y2 - $this->GArea_Y1 ) / 2 + $this->GArea_Y1;/* Search for the max value */if ( $MaxValue == -1 ){foreach ( $DataDescription["Values"] as $Key2 => $ColName ){foreach ( $Data as $Key => $Values ){if ( isset($Data[$Key][$ColName]))if ( $Data[$Key][$ColName] > $MaxValue ) { $MaxValue = $Data[$Key][$ColName]; }}}}/* Draw the mosaic */if ( $Mosaic ){$RadiusScale = $Radius / $MaxValue;for ( $t=1; $t<=$MaxValue-1; $t++){$TRadius = $RadiusScale * $t;$LastX1 = -1;for ( $i=0; $i<=$Points; $i++){$Angle = -90 + $i * 360/$Points;$X1 = cos($Angle * 3.1418 / 180 ) * $TRadius + $XCenter;$Y1 = sin($Angle * 3.1418 / 180 ) * $TRadius + $YCenter;$X2 = cos($Angle * 3.1418 / 180 ) * ($TRadius+$RadiusScale) + $XCenter;$Y2 = sin($Angle * 3.1418 / 180 ) * ($TRadius+$RadiusScale) + $YCenter;if ( $t % 2 == 1 && $LastX1 != -1){$Plots = "";$Plots[] = $X1; $Plots[] = $Y1;$Plots[] = $X2; $Plots[] = $Y2;$Plots[] = $LastX2; $Plots[] = $LastY2;$Plots[] = $LastX1; $Plots[] = $LastY1;$C_Graph = imagecolorallocate($this->Picture,250,250,250);imagefilledpolygon($this->Picture,$Plots,(count($Plots)+1)/2,$C_Graph);}$LastX1 = $X1; $LastY1= $Y1;$LastX2 = $X2; $LastY2= $Y2;}}}/* Draw the spider web */for ( $t=1; $t<=$MaxValue; $t++){$TRadius = ( $Radius / $MaxValue ) * $t;$LastX = -1;for ( $i=0; $i<=$Points; $i++){$Angle = -90 + $i * 360/$Points;$X = cos($Angle * 3.1418 / 180 ) * $TRadius + $XCenter;$Y = sin($Angle * 3.1418 / 180 ) * $TRadius + $YCenter;if ( $LastX != -1 )$this->drawDottedLine($LastX,$LastY,$X,$Y,4,$S_R,$S_G,$S_B);$LastX = $X; $LastY= $Y;}}/* Draw the axis */for ( $i=0; $i<=$Points; $i++){$Angle = -90 + $i * 360/$Points;$X = cos($Angle * 3.1418 / 180 ) * $Radius + $XCenter;$Y = sin($Angle * 3.1418 / 180 ) * $Radius + $YCenter;$this->drawLine($XCenter,$YCenter,$X,$Y,$A_R,$A_G,$A_B);$XOffset = 0; $YOffset = 0;if (isset($Data[$i][$DataDescription["Position"]])){$Label = $Data[$i][$DataDescription["Position"]];$Positions = imagettfbbox($this->FontSize,0,$this->FontName,$Label);$Width = $Positions[2] - $Positions[6];$Height = $Positions[3] - $Positions[7];if ( $Angle >= 0 && $Angle <= 90 )$YOffset = $Height;if ( $Angle > 90 && $Angle <= 180 ){ $YOffset = $Height; $XOffset = -$Width; }if ( $Angle > 180 && $Angle <= 270 ){ $XOffset = -$Width; }imagettftext($this->Picture,$this->FontSize,0,$X+$XOffset,$Y+$YOffset,$C_TextColor,$this->FontName,$Label);}}/* Write the values */for ( $t=1; $t<=$MaxValue; $t++){$TRadius = ( $Radius / $MaxValue ) * $t;$Angle = -90 + 360 / $Points;$X1 = $XCenter;$Y1 = $YCenter - $TRadius;$X2 = cos($Angle * 3.1418 / 180 ) * $TRadius + $XCenter;$Y2 = sin($Angle * 3.1418 / 180 ) * $TRadius + $YCenter;$XPos = floor(($X2-$X1)/2) + $X1;$YPos = floor(($Y2-$Y1)/2) + $Y1;$Positions = imagettfbbox($this->FontSize,0,$this->FontName,$t);$X = $XPos - ( $X+$Positions[2] - $X+$Positions[6] ) / 2;$Y = $YPos + $this->FontSize;$this->drawFilledRoundedRectangle($X+$Positions[6]-2,$Y+$Positions[7]-1,$X+$Positions[2]+4,$Y+$Positions[3]+1,2,240,240,240);$this->drawRoundedRectangle($X+$Positions[6]-2,$Y+$Positions[7]-1,$X+$Positions[2]+4,$Y+$Positions[3]+1,2,220,220,220);imagettftext($this->Picture,$this->FontSize,0,$X,$Y,$C_TextColor,$this->FontName,$t);}}/* This function draw a radar graph centered on the graph area */function drawRadar(&$Data,&$DataDescription,$BorderOffset=10,$MaxValue=-1){/* Validate the Data and DataDescription array */$this->validateDataDescription("drawRadar",$DataDescription);$this->validateData("drawRadar",$Data);$Points = count($Data);$Radius = ( $this->GArea_Y2 - $this->GArea_Y1 ) / 2 - $BorderOffset;$XCenter = ( $this->GArea_X2 - $this->GArea_X1 ) / 2 + $this->GArea_X1;$YCenter = ( $this->GArea_Y2 - $this->GArea_Y1 ) / 2 + $this->GArea_Y1;/* Search for the max value */if ( $MaxValue == -1 ){foreach ( $DataDescription["Values"] as $Key2 => $ColName ){foreach ( $Data as $Key => $Values ){if ( isset($Data[$Key][$ColName]))if ( $Data[$Key][$ColName] > $MaxValue ) { $MaxValue = $Data[$Key][$ColName]; }}}}$GraphID = 0;foreach ( $DataDescription["Values"] as $Key2 => $ColName ){$ID = 0;foreach ( $DataDescription["Description"] as $keyI => $ValueI ){ if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }$Angle = -90;$XLast = -1;foreach ( $Data as $Key => $Values ){if ( isset($Data[$Key][$ColName])){$Value = $Data[$Key][$ColName];$Strength = ( $Radius / $MaxValue ) * $Value;$XPos = cos($Angle * 3.1418 / 180 ) * $Strength + $XCenter;$YPos = sin($Angle * 3.1418 / 180 ) * $Strength + $YCenter;if ( $XLast != -1 )$this->drawLine($XLast,$YLast,$XPos,$YPos,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);if ( $XLast == -1 ){ $FirstX = $XPos; $FirstY = $YPos; }$Angle = $Angle + (360/$Points);$XLast = $XPos;$YLast = $YPos;}}$this->drawLine($XPos,$YPos,$FirstX,$FirstY,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);$GraphID++;}}/* This function draw a radar graph centered on the graph area */function drawFilledRadar(&$Data,&$DataDescription,$Alpha=50,$BorderOffset=10,$MaxValue=-1){/* Validate the Data and DataDescription array */$this->validateDataDescription("drawFilledRadar",$DataDescription);$this->validateData("drawFilledRadar",$Data);$Points = count($Data);$LayerWidth = $this->GArea_X2-$this->GArea_X1;$LayerHeight = $this->GArea_Y2-$this->GArea_Y1;$Radius = ( $this->GArea_Y2 - $this->GArea_Y1 ) / 2 - $BorderOffset;$XCenter = ( $this->GArea_X2 - $this->GArea_X1 ) / 2;$YCenter = ( $this->GArea_Y2 - $this->GArea_Y1 ) / 2;/* Search for the max value */if ( $MaxValue == -1 ){foreach ( $DataDescription["Values"] as $Key2 => $ColName ){foreach ( $Data as $Key => $Values ){if ( isset($Data[$Key][$ColName]))if ( $Data[$Key][$ColName] > $MaxValue && is_numeric($Data[$Key][$ColName])) { $MaxValue = $Data[$Key][$ColName]; }}}}$GraphID = 0;foreach ( $DataDescription["Values"] as $Key2 => $ColName ){$ID = 0;foreach ( $DataDescription["Description"] as $keyI => $ValueI ){ if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }$Angle = -90;$XLast = -1;$Plots = "";foreach ( $Data as $Key => $Values ){if ( isset($Data[$Key][$ColName])){$Value = $Data[$Key][$ColName];if ( !is_numeric($Value) ) { $Value = 0; }$Strength = ( $Radius / $MaxValue ) * $Value;$XPos = cos($Angle * 3.1418 / 180 ) * $Strength + $XCenter;$YPos = sin($Angle * 3.1418 / 180 ) * $Strength + $YCenter;$Plots[] = $XPos;$Plots[] = $YPos;$Angle = $Angle + (360/$Points);$XLast = $XPos;$YLast = $YPos;}}if (isset($Plots[0])){$Plots[] = $Plots[0];$Plots[] = $Plots[1];$this->Layers[0] = imagecreatetruecolor($LayerWidth,$LayerHeight);$C_White = imagecolorallocate($this->Layers[0],255,255,255);imagefilledrectangle($this->Layers[0],0,0,$LayerWidth,$LayerHeight,$C_White);imagecolortransparent($this->Layers[0],$C_White);$C_Graph = imagecolorallocate($this->Layers[0],$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);imagefilledpolygon($this->Layers[0],$Plots,(count($Plots)+1)/2,$C_Graph);imagecopymerge($this->Picture,$this->Layers[0],$this->GArea_X1,$this->GArea_Y1,0,0,$LayerWidth,$LayerHeight,$Alpha);imagedestroy($this->Layers[0]);for($i=0;$i<=count($Plots)-4;$i=$i+2)$this->drawLine($Plots[$i]+$this->GArea_X1,$Plots[$i+1]+$this->GArea_Y1,$Plots[$i+2]+$this->GArea_X1,$Plots[$i+3]+$this->GArea_Y1,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);}$GraphID++;}}/* This function draw a flat pie chart */function drawBasicPieGraph(&$Data,&$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$R=255,$G=255,$B=255,$Decimals=0){/* Validate the Data and DataDescription array */$this->validateDataDescription("drawBasicPieGraph",$DataDescription,FALSE);$this->validateData("drawBasicPieGraph",$Data);/* Determine pie sum */$Series = 0; $PieSum = 0;foreach ( $DataDescription["Values"] as $Key2 => $ColName ){if ( $ColName != $DataDescription["Position"] ){$Series++;foreach ( $Data as $Key => $Values ){if ( isset($Data[$Key][$ColName]))$PieSum = $PieSum + $Data[$Key][$ColName]; $iValues[] = $Data[$Key][$ColName]; $iLabels[] = $Data[$Key][$DataDescription["Position"]];}}}/* Validate serie */if ( $Series != 1 )RaiseFatal("Pie chart can only accept one serie of data.");$SpliceRatio = 360 / $PieSum;$SplicePercent = 100 / $PieSum;/* Calculate all polygons */$Angle = 0; $TopPlots = "";foreach($iValues as $Key => $Value){$TopPlots[$Key][] = $XPos;$TopPlots[$Key][] = $YPos;/* Process labels position & size */if ( !($DrawLabels == PIE_NOLABEL) ){$TAngle = $Angle+($Value*$SpliceRatio/2);if ($DrawLabels == PIE_PERCENTAGE)$Caption = (floor($Value * pow(10,$Decimals) * $SplicePercent)/pow(10,$Decimals))."%";elseif ($DrawLabels == PIE_LABELS)$Caption = $iLabels[$Key];$TX = cos(($TAngle) * 3.1418 / 180 ) * ($Radius + 10)+ $XPos;$TY = sin(($TAngle) * 3.1418 / 180 ) * ($Radius+ 10) + $YPos + 4;if ( $TAngle > 90 && $TAngle < 270 ){$Position = imageftbbox($this->FontSize,0,$this->FontName,$Caption);$TextWidth = $Position[2]-$Position[0];$TX = $TX - $TextWidth;}$C_TextColor = imagecolorallocate($this->Picture,70,70,70);imagettftext($this->Picture,$this->FontSize,0,$TX,$TY,$C_TextColor,$this->FontName,$Caption);}/* Process pie slices */for($iAngle=$Angle;$iAngle<=$Angle+$Value*$SpliceRatio;$iAngle=$iAngle+.5){$TopX = cos($iAngle * 3.1418 / 180 ) * $Radius + $XPos;$TopY = sin($iAngle * 3.1418 / 180 ) * $Radius + $YPos;$TopPlots[$Key][] = $TopX;$TopPlots[$Key][] = $TopY;}$TopPlots[$Key][] = $XPos;$TopPlots[$Key][] = $YPos;$Angle = $iAngle;}$PolyPlots = $TopPlots;/* Set array values type to float --- PHP Bug with imagefilledpolygon casting to integer */foreach ($TopPlots as $Key => $Value){ foreach ($TopPlots[$Key] as $Key2 => $Value2) { settype($TopPlots[$Key][$Key2],"float"); } }/* Draw Top polygons */foreach ($PolyPlots as $Key => $Value){$C_GraphLo = imagecolorallocate($this->Picture,$this->Palette[$Key]["R"],$this->Palette[$Key]["G"],$this->Palette[$Key]["B"]);imagefilledpolygon($this->Picture,$PolyPlots[$Key],(count($PolyPlots[$Key])+1)/2,$C_GraphLo);}$this->drawCircle($XPos-.5,$YPos-.5,$Radius,$R,$G,$B);$this->drawCircle($XPos-.5,$YPos-.5,$Radius+.5,$R,$G,$B);/* Draw Top polygons */foreach ($TopPlots as $Key => $Value){for($j=0;$j<=count($TopPlots[$Key])-4;$j=$j+2)$this->drawLine($TopPlots[$Key][$j],$TopPlots[$Key][$j+1],$TopPlots[$Key][$j+2],$TopPlots[$Key][$j+3],$R,$G,$B);}}/* This function draw a flat pie chart */function drawFlatPieGraph(&$Data,&$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$SpliceDistance=0,$Decimals = 0){/* Validate the Data and DataDescription array */$this->validateDataDescription("drawFlatPieGraph",$DataDescription,FALSE);$this->validateData("drawFlatPieGraph",$Data);/* Determine pie sum */$Series = 0; $PieSum = 0;foreach ( $DataDescription["Values"] as $Key2 => $ColName ){if ( $ColName != $DataDescription["Position"] ){$Series++;foreach ( $Data as $Key => $Values ){if ( isset($Data[$Key][$ColName]))$PieSum = $PieSum + $Data[$Key][$ColName]; $iValues[] = $Data[$Key][$ColName]; $iLabels[] = $Data[$Key][$DataDescription["Position"]];}}}/* Validate serie */if ( $Series != 1 )RaiseFatal("Pie chart can only accept one serie of data.");$SpliceDistanceRatio = $SpliceDistance;$SpliceRatio = (360 - $SpliceDistanceRatio * count($iValues) ) / $PieSum;$SplicePercent = 100 / $PieSum;/* Calculate all polygons */$Angle = 0; $TopPlots = "";foreach($iValues as $Key => $Value){$XCenterPos = cos(($Angle+($Value*$SpliceRatio+$SpliceDistanceRatio)/2) * 3.1418 / 180 ) * $SpliceDistance + $XPos;$YCenterPos = sin(($Angle+($Value*$SpliceRatio+$SpliceDistanceRatio)/2) * 3.1418 / 180 ) * $SpliceDistance + $YPos;$TopPlots[$Key][] = $XCenterPos;$TopPlots[$Key][] = $YCenterPos;/* Process labels position & size */if ( !($DrawLabels == PIE_NOLABEL) ){$TAngle = $Angle+($Value*$SpliceRatio/2);if ($DrawLabels == PIE_PERCENTAGE)$Caption = (floor($Value * pow(10,$Decimals) * $SplicePercent)/pow(10,$Decimals))."%";elseif ($DrawLabels == PIE_LABELS)$Caption = $iLabels[$Key];$TX = cos(($TAngle) * 3.1418 / 180 ) * ($Radius+10+$SpliceDistance)+$XPos;$TY = sin(($TAngle) * 3.1418 / 180 ) * ($Radius+10+$SpliceDistance) + $YPos + 4;if ( $TAngle > 90 && $TAngle < 270 ){$Position = imageftbbox($this->FontSize,0,$this->FontName,$Caption);$TextWidth = $Position[2]-$Position[0];$TX = $TX - $TextWidth;}$C_TextColor = imagecolorallocate($this->Picture,70,70,70);imagettftext($this->Picture,$this->FontSize,0,$TX,$TY,$C_TextColor,$this->FontName,$Caption);}/* Draw borders to correct imagefilledpolygon bug */$BMax = 2;for($i=-1;$i<=$BMax;$i++){$BorderX1 = cos(($Angle+($Value*$SpliceRatio+$SpliceDistanceRatio)/2) * 3.1418 / 180 ) * ($SpliceDistance+$i) + $XPos;$BorderY1 = sin(($Angle+($Value*$SpliceRatio+$SpliceDistanceRatio)/2) * 3.1418 / 180 ) * ($SpliceDistance+$i) + $YPos;$BorderX2 = cos(($Angle+$i*.5) * 3.1418 / 180 ) * (($Radius+$BMax)+$SpliceDistance) + $XPos;$BorderY2 = sin(($Angle+$i*.5) * 3.1418 / 180 ) * (($Radius+$BMax)+$SpliceDistance) + $YPos;$this->drawLine($BorderX1,$BorderY1,$BorderX2,$BorderY2,$this->Palette[$Key]["R"],$this->Palette[$Key]["G"],$this->Palette[$Key]["B"]);$BorderX1 = cos(($Angle+($Value*$SpliceRatio+$SpliceDistanceRatio)/2) * 3.1418 / 180 ) * ($SpliceDistance+$i) + $XPos;$BorderY1 = sin(($Angle+($Value*$SpliceRatio+$SpliceDistanceRatio)/2) * 3.1418 / 180 ) * ($SpliceDistance+$i) + $YPos;$BorderX2 = cos(($Angle-$i*.5+$Value*$SpliceRatio) * 3.1418 / 180 ) * (($Radius+$BMax)+$SpliceDistance) + $XPos;$BorderY2 = sin(($Angle-$i*.5+$Value*$SpliceRatio) * 3.1418 / 180 ) * (($Radius+$BMax)+$SpliceDistance) + $YPos;$this->drawLine($BorderX1,$BorderY1,$BorderX2,$BorderY2,$this->Palette[$Key]["R"],$this->Palette[$Key]["G"],$this->Palette[$Key]["B"]);}/* Process pie slices */for($iAngle=$Angle;$iAngle<=$Angle+$Value*$SpliceRatio;$iAngle=$iAngle+.5){$TopX = cos($iAngle * 3.1418 / 180 ) * ($Radius+$SpliceDistance) + $XPos;$TopY = sin($iAngle * 3.1418 / 180 ) * ($Radius+$SpliceDistance) + $YPos;$TopPlots[$Key][] = $TopX;$TopPlots[$Key][] = $TopY;if ( $iAngle != $Angle ){for($i=-1;$i<=2;$i++){$BorderX1 = cos(($iAngle-.5) * 3.1418 / 180 ) * (($Radius+$i)+$SpliceDistance) + $XPos;$BorderY1 = sin(($iAngle-.5) * 3.1418 / 180 ) * (($Radius+$i)+$SpliceDistance) + $YPos;$BorderX2 = cos($iAngle * 3.1418 / 180 ) * (($Radius+$i)+$SpliceDistance) + $XPos;$BorderY2 = sin($iAngle * 3.1418 / 180 ) * (($Radius+$i)+$SpliceDistance) + $YPos;$this->drawLine($BorderX1,$BorderY1,$BorderX2,$BorderY2,$this->Palette[$Key]["R"],$this->Palette[$Key]["G"],$this->Palette[$Key]["B"]);}}}$TopPlots[$Key][] = $XCenterPos;$TopPlots[$Key][] = $YCenterPos;$Angle = $iAngle + $SpliceDistanceRatio;}$PolyPlots = $TopPlots;/* Set array values type to float --- PHP Bug with imagefilledpolygon casting to integer */foreach ($TopPlots as $Key => $Value){ foreach ($TopPlots[$Key] as $Key2 => $Value2) { settype($TopPlots[$Key][$Key2],"float"); } }/* Draw Top polygons */foreach ($TopPlots as $Key => $Value){$C_GraphLo = imagecolorallocate($this->Picture,$this->Palette[$Key]["R"],$this->Palette[$Key]["G"],$this->Palette[$Key]["B"]);imagefilledpolygon($this->Picture,$PolyPlots[$Key],(count($PolyPlots[$Key])+1)/2,$C_GraphLo);}}/* This function draw a pseudo-3D pie chart */function drawPieGraph(&$Data,&$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$EnhanceColors=TRUE,$Skew=60,$SpliceHeight=20,$SpliceDistance=0,$Decimals=0){/* Validate the Data and DataDescription array */$this->validateDataDescription("drawPieGraph",$DataDescription,FALSE);$this->validateData("drawPieGraph",$Data);/* Determine pie sum */$Series = 0; $PieSum = 0; $rPieSum = 0;foreach ( $DataDescription["Values"] as $Key2 => $ColName ){if ( $ColName != $DataDescription["Position"] ){$Series++;foreach ( $Data as $Key => $Values )if ( isset($Data[$Key][$ColName])){if ( $Data[$Key][$ColName] == 0 ){ $PieSum++; $iValues[] = 1; $rValues[] = 0; }else{ $PieSum += $Data[$Key][$ColName]; $iValues[] = $Data[$Key][$ColName]; $iLabels[] = $Data[$Key][$DataDescription["Position"]]; $rValues[] = $Data[$Key][$ColName]; $rPieSum += $Data[$Key][$ColName];}}}}/* Validate serie */if ( $Series != 1 )RaiseFatal("Pie chart can only accept one serie of data.");$SpliceDistanceRatio = $SpliceDistance;$SkewHeight = ($Radius * $Skew) / 100;$SpliceRatio = (360 - $SpliceDistanceRatio * count($iValues) ) / $PieSum;$SplicePercent = 100 / $PieSum;$rSplicePercent = 100 / $rPieSum;/* Calculate all polygons */$Angle = 0; $TopPlots = ""; $BotPlots = ""; $CDev = 5;foreach($iValues as $Key => $Value){$XCenterPos = cos(($Angle-$CDev+($Value*$SpliceRatio+$SpliceDistanceRatio)/2) * 3.1418 / 180 ) * $SpliceDistance + $XPos;$YCenterPos = sin(($Angle-$CDev+($Value*$SpliceRatio+$SpliceDistanceRatio)/2) * 3.1418 / 180 ) * $SpliceDistance + $YPos;$XCenterPos2 = cos(($Angle+$CDev+($Value*$SpliceRatio+$SpliceDistanceRatio)/2) * 3.1418 / 180 ) * $SpliceDistance + $XPos;$YCenterPos2 = sin(($Angle+$CDev+($Value*$SpliceRatio+$SpliceDistanceRatio)/2) * 3.1418 / 180 ) * $SpliceDistance + $YPos;$TopPlots[$Key][] = $XCenterPos; $BotPlots[$Key][] = $XCenterPos;$TopPlots[$Key][] = $YCenterPos; $BotPlots[$Key][] = $YCenterPos + $SpliceHeight;/* Process labels position & size */if ( !($DrawLabels == PIE_NOLABEL) ){$TAngle = $Angle+($Value*$SpliceRatio/2);if ($DrawLabels == PIE_PERCENTAGE)$Caption = (floor($rValues[$Key] * pow(10,$Decimals) * $rSplicePercent)/pow(10,$Decimals))."%";elseif ($DrawLabels == PIE_LABELS)$Caption = $iLabels[$Key];$TX = cos(($TAngle) * 3.1418 / 180 ) * ($Radius + 10)+ $XPos;if ( $TAngle > 0 && $TAngle < 180 )$TY = sin(($TAngle) * 3.1418 / 180 ) * ($SkewHeight + 10) + $YPos + $SpliceHeight + 4;else$TY = sin(($TAngle) * 3.1418 / 180 ) * ($SkewHeight + 10) + $YPos + 4;if ( $TAngle > 90 && $TAngle < 270 ){$Position = imageftbbox($this->FontSize,0,$this->FontName,$Caption);$TextWidth = $Position[2]-$Position[0];$TX = $TX - $TextWidth;}$C_TextColor = imagecolorallocate($this->Picture,70,70,70);imagettftext($this->Picture,$this->FontSize,0,$TX,$TY,$C_TextColor,$this->FontName,$Caption);}/* Process pie slices */for($iAngle=$Angle;$iAngle<=$Angle+$Value*$SpliceRatio;$iAngle=$iAngle+.5){$TopX = cos($iAngle * 3.1418 / 180 ) * $Radius + $XPos;$TopY = sin($iAngle * 3.1418 / 180 ) * $SkewHeight + $YPos;$TopPlots[$Key][] = $TopX; $BotPlots[$Key][] = $TopX;$TopPlots[$Key][] = $TopY; $BotPlots[$Key][] = $TopY + $SpliceHeight;}$TopPlots[$Key][] = $XCenterPos2; $BotPlots[$Key][] = $XCenterPos2;$TopPlots[$Key][] = $YCenterPos2; $BotPlots[$Key][] = $YCenterPos2 + $SpliceHeight;$Angle = $iAngle + $SpliceDistanceRatio;}/* Draw Bottom polygons */foreach($iValues as $Key => $Value){$C_GraphLo = $this->AllocateColor($this->Picture,$this->Palette[$Key]["R"],$this->Palette[$Key]["G"],$this->Palette[$Key]["B"],-20);imagefilledpolygon($this->Picture,$BotPlots[$Key],(count($BotPlots[$Key])+1)/2,$C_GraphLo);for($j=0;$j<=count($BotPlots[$Key])-4;$j=$j+2)$this->drawLine($BotPlots[$Key][$j],$BotPlots[$Key][$j+1],$BotPlots[$Key][$j+2],$BotPlots[$Key][$j+3],$this->Palette[$Key]["R"]-20,$this->Palette[$Key]["G"]-20,$this->Palette[$Key]["B"]-20);}/* Draw pie layers */if ( $EnhanceColors ) { $ColorRatio = 30 / $SpliceHeight; } else { $ColorRatio = 25 / $SpliceHeight; }for($i=$SpliceHeight-1;$i>=1;$i--){foreach($iValues as $Key => $Value){$C_GraphLo = $this->AllocateColor($this->Picture,$this->Palette[$Key]["R"],$this->Palette[$Key]["G"],$this->Palette[$Key]["B"],-10);$Plots = ""; $Plot = 0;foreach($TopPlots[$Key] as $Key2 => $Value2){$Plot++;if ( $Plot % 2 == 1 )$Plots[] = $Value2;else$Plots[] = $Value2+$i;}imagefilledpolygon($this->Picture,$Plots,(count($Plots)+1)/2,$C_GraphLo);$Index = count($Plots);$ColorFactor = -20 + ($SpliceHeight - $i) * $ColorRatio;$this->drawAntialiasPixel($Plots[0],$Plots[1],$this->Palette[$Key]["R"]+$ColorFactor,$this->Palette[$Key]["G"]+$ColorFactor,$this->Palette[$Key]["B"]+$ColorFactor);$this->drawAntialiasPixel($Plots[2],$Plots[3],$this->Palette[$Key]["R"]+$ColorFactor,$this->Palette[$Key]["G"]+$ColorFactor,$this->Palette[$Key]["B"]+$ColorFactor);$this->drawAntialiasPixel($Plots[$Index-4],$Plots[$Index-3],$this->Palette[$Key]["R"]+$ColorFactor,$this->Palette[$Key]["G"]+$ColorFactor,$this->Palette[$Key]["B"]+$ColorFactor);}}/* Draw Top polygons */for($Key=count($iValues)-1;$Key>=0;$Key--){$C_GraphLo = $this->AllocateColor($this->Picture,$this->Palette[$Key]["R"],$this->Palette[$Key]["G"],$this->Palette[$Key]["B"]);imagefilledpolygon($this->Picture,$TopPlots[$Key],(count($TopPlots[$Key])+1)/2,$C_GraphLo);if ( $EnhanceColors ) { $En = 10; } else { $En = 5; }for($j=0;$j<=count($TopPlots[$Key])-4;$j=$j+2)$this->drawLine($TopPlots[$Key][$j],$TopPlots[$Key][$j+1],$TopPlots[$Key][$j+2],$TopPlots[$Key][$j+3],$this->Palette[$Key]["R"]+$En,$this->Palette[$Key]["G"]+$En,$this->Palette[$Key]["B"]+$En);}}/* This function can be used to set the background color */function drawBackground($R,$G,$B){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 ) { $B = 255; }$C_Background = imagecolorallocate($this->Picture,$R,$G,$B);imagefilledrectangle($this->Picture,0,0,$this->XSize,$this->YSize,$C_Background);}/* This function create a rectangle with antialias */function drawRectangle($X1,$Y1,$X2,$Y2,$R,$G,$B){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 ) { $B = 255; }$C_Rectangle = imagecolorallocate($this->Picture,$R,$G,$B);$X1=$X1-.2;$Y1=$Y1-.2;$X2=$X2+.2;$Y2=$Y2+.2;$this->drawLine($X1,$Y1,$X2,$Y1,$R,$G,$B);$this->drawLine($X2,$Y1,$X2,$Y2,$R,$G,$B);$this->drawLine($X2,$Y2,$X1,$Y2,$R,$G,$B);$this->drawLine($X1,$Y2,$X1,$Y1,$R,$G,$B);}/* This function create a filled rectangle with antialias */function drawFilledRectangle($X1,$Y1,$X2,$Y2,$R,$G,$B,$DrawBorder=TRUE,$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 ( $Alpha == 100 ){$C_Rectangle = imagecolorallocate($this->Picture,$R,$G,$B);imagefilledrectangle($this->Picture,$X1,$Y1,$X2,$Y2,$C_Rectangle);}else{$LayerWidth = abs($X2-$X1)+2;$LayerHeight = abs($Y2-$Y1)+2;$this->Layers[0] = imagecreatetruecolor($LayerWidth,$LayerHeight);$C_White = imagecolorallocate($this->Layers[0],255,255,255);imagefilledrectangle($this->Layers[0],0,0,$LayerWidth,$LayerHeight,$C_White);imagecolortransparent($this->Layers[0],$C_White);$C_Rectangle = imagecolorallocate($this->Layers[0],$R,$G,$B);imagefilledrectangle($this->Layers[0],1,1,$LayerWidth-1,$LayerHeight-1,$C_Rectangle);imagecopymerge($this->Picture,$this->Layers[0],min($X1,$X2)-1,min($Y1,$Y2)-1,0,0,$LayerWidth,$LayerHeight,$Alpha);imagedestroy($this->Layers[0]);}if ( $DrawBorder )$this->drawRectangle($X1,$Y1,$X2,$Y2,$R,$G,$B);}/* This function create a rectangle with rounded corners and antialias */function drawRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,$R,$G,$B){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 ) { $B = 255; }$C_Rectangle = imagecolorallocate($this->Picture,$R,$G,$B);$Step = 90 / ((3.1418 * $Radius)/2);for($i=0;$i<=90;$i=$i+$Step){$X = cos(($i+180)*3.1418/180) * $Radius + $X1 + $Radius;$Y = sin(($i+180)*3.1418/180) * $Radius + $Y1 + $Radius;$this->drawAntialiasPixel($X,$Y,$R,$G,$B);$X = cos(($i-90)*3.1418/180) * $Radius + $X2 - $Radius;$Y = sin(($i-90)*3.1418/180) * $Radius + $Y1 + $Radius;$this->drawAntialiasPixel($X,$Y,$R,$G,$B);$X = cos(($i)*3.1418/180) * $Radius + $X2 - $Radius;$Y = sin(($i)*3.1418/180) * $Radius + $Y2 - $Radius;$this->drawAntialiasPixel($X,$Y,$R,$G,$B);$X = cos(($i+90)*3.1418/180) * $Radius + $X1 + $Radius;$Y = sin(($i+90)*3.1418/180) * $Radius + $Y2 - $Radius;$this->drawAntialiasPixel($X,$Y,$R,$G,$B);}$X1=$X1-.2;$Y1=$Y1-.2;$X2=$X2+.2;$Y2=$Y2+.2;$this->drawLine($X1+$Radius,$Y1,$X2-$Radius,$Y1,$R,$G,$B);$this->drawLine($X2,$Y1+$Radius,$X2,$Y2-$Radius,$R,$G,$B);$this->drawLine($X2-$Radius,$Y2,$X1+$Radius,$Y2,$R,$G,$B);$this->drawLine($X1,$Y2-$Radius,$X1,$Y1+$Radius,$R,$G,$B);}/* This function create a filled rectangle with rounded corners and antialias */function drawFilledRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,$R,$G,$B){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 ) { $B = 255; }$C_Rectangle = imagecolorallocate($this->Picture,$R,$G,$B);$Step = 90 / ((3.1418 * $Radius)/2);for($i=0;$i<=90;$i=$i+$Step){$Xi1 = cos(($i+180)*3.1418/180) * $Radius + $X1 + $Radius;$Yi1 = sin(($i+180)*3.1418/180) * $Radius + $Y1 + $Radius;$Xi2 = cos(($i-90)*3.1418/180) * $Radius + $X2 - $Radius;$Yi2 = sin(($i-90)*3.1418/180) * $Radius + $Y1 + $Radius;$Xi3 = cos(($i)*3.1418/180) * $Radius + $X2 - $Radius;$Yi3 = sin(($i)*3.1418/180) * $Radius + $Y2 - $Radius;$Xi4 = cos(($i+90)*3.1418/180) * $Radius + $X1 + $Radius;$Yi4 = sin(($i+90)*3.1418/180) * $Radius + $Y2 - $Radius;imageline($this->Picture,$Xi1,$Yi1,$X1+$Radius,$Yi1,$C_Rectangle);imageline($this->Picture,$X2-$Radius,$Yi2,$Xi2,$Yi2,$C_Rectangle);imageline($this->Picture,$X2-$Radius,$Yi3,$Xi3,$Yi3,$C_Rectangle);imageline($this->Picture,$Xi4,$Yi4,$X1+$Radius,$Yi4,$C_Rectangle);$this->drawAntialiasPixel($Xi1,$Yi1,$R,$G,$B);$this->drawAntialiasPixel($Xi2,$Yi2,$R,$G,$B);$this->drawAntialiasPixel($Xi3,$Yi3,$R,$G,$B);$this->drawAntialiasPixel($Xi4,$Yi4,$R,$G,$B);}imagefilledrectangle($this->Picture,$X1,$Y1+$Radius,$X2,$Y2-$Radius,$C_Rectangle);imagefilledrectangle($this->Picture,$X1+$Radius,$Y1,$X2-$Radius,$Y2,$C_Rectangle);$X1=$X1-.2;$Y1=$Y1-.2;$X2=$X2+.2;$Y2=$Y2+.2;$this->drawLine($X1+$Radius,$Y1,$X2-$Radius,$Y1,$R,$G,$B);$this->drawLine($X2,$Y1+$Radius,$X2,$Y2-$Radius,$R,$G,$B);$this->drawLine($X2-$Radius,$Y2,$X1+$Radius,$Y2,$R,$G,$B);$this->drawLine($X1,$Y2-$Radius,$X1,$Y1+$Radius,$R,$G,$B);}/* This function create a circle with antialias */function drawCircle($Xc,$Yc,$Height,$R,$G,$B,$Width=0){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 ) { $B = 255; }$C_Circle = imagecolorallocate($this->Picture,$R,$G,$B);$Step = 360 / (2 * 3.1418 * max($Width,$Height));for($i=0;$i<=360;$i=$i+$Step){$X = cos($i*3.1418/180) * $Height + $Xc;$Y = sin($i*3.1418/180) * $Width + $Yc;$this->drawAntialiasPixel($X,$Y,$R,$G,$B);}}/* This function create a filled circle/ellipse with antialias */function drawFilledCircle($Xc,$Yc,$Height,$R,$G,$B,$Width=0){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 ) { $B = 255; }$C_Circle = imagecolorallocate($this->Picture,$R,$G,$B);$Step = 360 / (2 * 3.1418 * max($Width,$Height));for($i=90;$i<=270;$i=$i+$Step){$X1 = cos($i*3.1418/180) * $Height + $Xc;$Y1 = sin($i*3.1418/180) * $Width + $Yc;$X2 = cos((180-$i)*3.1418/180) * $Height + $Xc;$Y2 = sin((180-$i)*3.1418/180) * $Width + $Yc;$this->drawAntialiasPixel($X1-1,$Y1-1,$R,$G,$B);$this->drawAntialiasPixel($X2-1,$Y2-1,$R,$G,$B);if ( ($Y1-1) > $Yc - max($Width,$Height) )imageline($this->Picture,$X1,$Y1-1,$X2-1,$Y2-1,$C_Circle);}}/* This function will draw a filled ellipse */function drawEllipse($Xc,$Yc,$Height,$Width,$R,$G,$B){ $this->drawCircle($Xc,$Yc,$Height,$R,$G,$B,$Width); }/* This function will draw an ellipse */function drawFilledEllipse($Xc,$Yc,$Height,$Width,$R,$G,$B){ $this->drawFilledCircle($Xc,$Yc,$Height,$R,$G,$B,$Width); }/* This function create a line with antialias */function drawLine($X1,$Y1,$X2,$Y2,$R,$G,$B,$GraphFunction=FALSE){if ( $this->LineDotSize > 1 ) { $this->drawDottedLine($X1,$Y1,$X2,$Y2,$this->LineDotSize,$R,$G,$B,$GraphFunction); return(0); }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 ) { $B = 255; }$Distance = sqrt(($X2-$X1)*($X2-$X1)+($Y2-$Y1)*($Y2-$Y1));if ( $Distance == 0 )return(-1);$XStep = ($X2-$X1) / $Distance;$YStep = ($Y2-$Y1) / $Distance;for($i=0;$i<=$Distance;$i++){$X = $i * $XStep + $X1;$Y = $i * $YStep + $Y1;if ( ($X >= $this->GArea_X1 && $X <= $this->GArea_X2 && $Y >= $this->GArea_Y1 && $Y <= $this->GArea_Y2) || !$GraphFunction ){if ( $this->LineWidth == 1 )$this->drawAntialiasPixel($X,$Y,$R,$G,$B);else{$StartOffset = -($this->LineWidth/2); $EndOffset = ($this->LineWidth/2);for($j=$StartOffset;$j<=$EndOffset;$j++)$this->drawAntialiasPixel($X+$j,$Y+$j,$R,$G,$B);}}}}/* This function create a line with antialias */function drawDottedLine($X1,$Y1,$X2,$Y2,$DotSize,$R,$G,$B,$GraphFunction=FALSE){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 ) { $B = 255; }$Distance = sqrt(($X2-$X1)*($X2-$X1)+($Y2-$Y1)*($Y2-$Y1));$XStep = ($X2-$X1) / $Distance;$YStep = ($Y2-$Y1) / $Distance;$DotIndex = 0;for($i=0;$i<=$Distance;$i++){$X = $i * $XStep + $X1;$Y = $i * $YStep + $Y1;if ( $DotIndex <= $DotSize){if ( ($X >= $this->GArea_X1 && $X <= $this->GArea_X2 && $Y >= $this->GArea_Y1 && $Y <= $this->GArea_Y2) || !$GraphFunction ){if ( $this->LineWidth == 1 )$this->drawAntialiasPixel($X,$Y,$R,$G,$B);else{$StartOffset = -($this->LineWidth/2); $EndOffset = ($this->LineWidth/2);for($j=$StartOffset;$j<=$EndOffset;$j++)$this->drawAntialiasPixel($X+$j,$Y+$j,$R,$G,$B);}}}$DotIndex++;if ( $DotIndex == $DotSize * 2 )$DotIndex = 0;}}/* Load a PNG file and draw it over the chart */function drawFromPNG($FileName,$X,$Y,$Alpha=100){ $this->drawFromPicture(1,$FileName,$X,$Y,$Alpha); }/* Load a GIF file and draw it over the chart */function drawFromGIF($FileName,$X,$Y,$Alpha=100){ $this->drawFromPicture(2,$FileName,$X,$Y,$Alpha); }/* Load a JPEG file and draw it over the chart */function drawFromJPG($FileName,$X,$Y,$Alpha=100){ $this->drawFromPicture(3,$FileName,$X,$Y,$Alpha); }/* Generic loader function for external pictures */function drawFromPicture($PicType,$FileName,$X,$Y,$Alpha=100){if ( file_exists($FileName)){$Infos = getimagesize($FileName);$Width = $Infos[0];$Height = $Infos[1];if ( $PicType == 1 ) { $Raster = imagecreatefrompng($FileName); }if ( $PicType == 2 ) { $Raster = imagecreatefromgif($FileName); }if ( $PicType == 3 ) { $Raster = imagecreatefromjpeg($FileName); }imagecopymerge($this->Picture,$Raster,$X,$Y,0,0,$Width,$Height,$Alpha);imagedestroy($Raster);}}/* Draw an alpha pixel */function drawAlphaPixel($X,$Y,$Alpha,$R,$G,$B){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 ( $X < 0 || $Y < 0 || $X >= $this->XSize || $Y >= $this->YSize )return(-1);$RGB2 = imagecolorat($this->Picture, $X, $Y);$R2 = ($RGB2 >> 16) & 0xFF;$G2 = ($RGB2 >> 8) & 0xFF;$B2 = $RGB2 & 0xFF;$iAlpha = (100 - $Alpha)/100;$Alpha = $Alpha / 100;$Ra = floor($R*$Alpha+$R2*$iAlpha);$Ga = floor($G*$Alpha+$G2*$iAlpha);$Ba = floor($B*$Alpha+$B2*$iAlpha);$C_Aliased = imagecolorallocate($this->Picture,$Ra,$Ga,$Ba);imagesetpixel($this->Picture,$X,$Y,$C_Aliased);}/* Color helper */function AllocateColor($Picture,$R,$G,$B,$Factor=0){$R = $R + $Factor;$G = $G + $Factor;$B = $B + $Factor;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 ) { $B = 255; }return(imagecolorallocate($Picture,$R,$G,$B));}/* Render the current picture to a file */function Render($FileName){if ( $this->ErrorReporting )$this->printErrors($this->ErrorInterface);imagepng($this->Picture,$FileName);}/* Render the current picture to STDOUT */function Stroke(){if ( $this->ErrorReporting )$this->printErrors("GD");header('Content-type: image/png');imagepng($this->Picture);}/* Private functions for internal processing */function drawAntialiasPixel($X,$Y,$R,$G,$B){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 ) { $B = 255; }$Plot = "";$Xi = floor($X);$Yi = floor($Y);if ( $Xi == $X && $Yi == $Y){/* $this->drawAlphaPixel($Xi,$Yi,0,$R,$G,$B); */$C_Aliased = imagecolorallocate($this->Picture,$R,$G,$B);imagesetpixel($this->Picture,$X,$Y,$C_Aliased);}else{$Alpha1 = (1 - ($X - floor($X))) * (1 - ($Y - floor($Y))) * 100;if ( $Alpha1 > $this->AntialiasQuality ) { $this->drawAlphaPixel($Xi,$Yi,$Alpha1,$R,$G,$B); }$Alpha2 = ($X - floor($X)) * (1 - ($Y - floor($Y))) * 100;if ( $Alpha2 > $this->AntialiasQuality ) { $this->drawAlphaPixel($Xi+1,$Yi,$Alpha2,$R,$G,$B); }$Alpha3 = (1 - ($X - floor($X))) * ($Y - floor($Y)) * 100;if ( $Alpha3 > $this->AntialiasQuality ) { $this->drawAlphaPixel($Xi,$Yi+1,$Alpha3,$R,$G,$B); }$Alpha4 = ($X - floor($X)) * ($Y - floor($Y)) * 100;if ( $Alpha4 > $this->AntialiasQuality ) { $this->drawAlphaPixel($Xi+1,$Yi+1,$Alpha4,$R,$G,$B); }}}/* Validate data contained in the description array */function validateDataDescription($FunctionName,&$DataDescription,$DescriptionRequired=TRUE){if (!isset($DataDescription["Position"])){$this->Errors[] = "[Warning] ".$FunctionName." - Y Labels are not set.";$DataDescription["Position"] = "Name";}if ( $DescriptionRequired ){if (!isset($DataDescription["Description"])){$this->Errors[] = "[Warning] ".$FunctionName." - Series descriptions are not set.";foreach($DataDescription["Values"] as $key => $Value){$DataDescription["Description"][$Value] = $Value;}}if (count($DataDescription["Description"]) < count($DataDescription["Values"])){$this->Errors[] = "[Warning] ".$FunctionName." - Some series descriptions are not set.";foreach($DataDescription["Values"] as $key => $Value){if ( !isset($DataDescription["Description"][$Value]))$DataDescription["Description"][$Value] = $Value;}}}}/* Validate data contained in the data array */function validateData($FunctionName,&$Data){$DataSummary = "";foreach($Data as $key => $Values){foreach($Values as $key2 => $Value){if (!isset($DataSummary[$key2]))$DataSummary[$key2] = 1;else$DataSummary[$key2]++;}}if ( max($DataSummary) == 0 )$this->Errors[] = "[Warning] ".$FunctionName." - No data set.";foreach($DataSummary as $key => $Value){if ($Value < max($DataSummary)){$this->Errors[] = "[Warning] ".$FunctionName." - Missing data in serie ".$key.".";}}}/* Print all error messages on the CLI or graphically */function printErrors($Mode="CLI"){if (count($this->Errors) == 0)return(0);if ( $Mode == "CLI" ){foreach($this->Errors as $key => $Value)echo $Value."\r\n";}elseif ( $Mode == "GD" ){$this->setLineStyle($Width=1);$MaxWidth = 0;foreach($this->Errors as $key => $Value){$Position = imageftbbox($this->ErrorFontSize,0,$this->ErrorFontName,$Value);$TextWidth = $Position[2]-$Position[0];if ( $TextWidth > $MaxWidth ) { $MaxWidth = $TextWidth; }}$this->drawFilledRoundedRectangle($this->XSize-($MaxWidth+20),$this->YSize-(20+(($this->ErrorFontSize+4)*count($this->Errors))),$this->XSize-10,$this->YSize-10,6,233,185,185);$this->drawRoundedRectangle($this->XSize-($MaxWidth+20),$this->YSize-(20+(($this->ErrorFontSize+4)*count($this->Errors))),$this->XSize-10,$this->YSize-10,6,193,145,145);$C_TextColor = imagecolorallocate($this->Picture,133,85,85);$YPos = $this->YSize - (18 + (count($this->Errors)-1) * ($this->ErrorFontSize + 4));foreach($this->Errors as $key => $Value){imagettftext($this->Picture,$this->ErrorFontSize,0,$this->XSize-($MaxWidth+15),$YPos,$C_TextColor,$this->ErrorFontName,$Value);$YPos = $YPos + ($this->ErrorFontSize + 4);}}}/* Convert seconds to a time format string */function ToTime($Value){$Hour = floor($Value/3600);$Minute = floor(($Value - $Hour*3600)/60);$Second = floor($Value - $Hour*3600 - $Minute*60);if (strlen($Hour) == 1 ) { $Hour = "0".$Hour; }if (strlen($Minute) == 1 ) { $Minute = "0".$Minute; }if (strlen($Second) == 1 ) { $Second = "0".$Second; }return($Hour.":".$Minute.":".$Second);}/* Convert to metric system */function ToMetric($Value){$Go = floor($Value/1000000000);$Mo = floor(($Value - $Go*1000000000)/1000000);$Ko = floor(($Value - $Go*1000000000 - $Mo*1000000)/1000);$o = floor($Value - $Go*1000000000 - $Mo*1000000 - $Ko*1000);if ($Go != 0) { return($Go.".".$Mo."g"); }if ($Mo != 0) { return($Mo.".".$ko."m"); }if ($Ko != 0) { return($Ko.".".$o)."k"; }return($o);}/* Set date format for axis labels */function setDateFormat($Format){$this->DateFormat = $Format;}/* Convert TS to a date format string */function ToDate($Value){return(date($this->DateFormat,$Value));}}function RaiseFatal($Message){echo "[FATAL] ".$Message."\r\n";exit();}?>