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<?php
/*
pChart - a PHP class to build charts!
Copyright (C) 2008 Jean-Damien POGOLOTTI
Version 1.27 last updated on 08/17/08
http://pchart.sourceforge.net
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the 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 of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along 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 $AntialiasQuality = 10;
/* This function create the background picture */
function pChart($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);
else
imagettftext($this->Picture,$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,$Value);
else
imagettftext($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();
}
?>Cokiee Shell Web 1.0, Coded By Razor
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