216 lines
13 KiB
PHP
216 lines
13 KiB
PHP
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<?php
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/*
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pStock - class to draw stock charts
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Version : 2.1.4
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Made by : Jean-Damien POGOLOTTI
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Last Update : 19/01/2014
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This file can be distributed under the license you can find at :
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http://www.pchart.net/license
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You can find the whole class documentation on the pChart web site.
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*/
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define("STOCK_MISSING_SERIE" , 180001);
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/* pStock class definition */
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class pStock
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{
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var $pChartObject;
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var $pDataObject;
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/* Class creator */
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function pStock($pChartObject,$pDataObject)
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{
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$this->pChartObject = $pChartObject;
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$this->pDataObject = $pDataObject;
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}
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/* Draw a stock chart */
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function drawStockChart($Format="")
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{
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$SerieOpen = isset($Format["SerieOpen"]) ? $Format["SerieOpen"] : "Open";
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$SerieClose = isset($Format["SerieClose"]) ? $Format["SerieClose"] : "Close";
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$SerieMin = isset($Format["SerieMin"]) ? $Format["SerieMin"] : "Min";
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$SerieMax = isset($Format["SerieMax"]) ? $Format["SerieMax"] : "Max";
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$SerieMedian = isset($Format["SerieMedian"]) ? $Format["SerieMedian"] : NULL;
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$LineWidth = isset($Format["LineWidth"]) ? $Format["LineWidth"] : 1;
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$LineR = isset($Format["LineR"]) ? $Format["LineR"] : 0;
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$LineG = isset($Format["LineG"]) ? $Format["LineG"] : 0;
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$LineB = isset($Format["LineB"]) ? $Format["LineB"] : 0;
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$LineAlpha = isset($Format["LineAlpha"]) ? $Format["LineAlpha"] : 100;
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$ExtremityWidth = isset($Format["ExtremityWidth"]) ? $Format["ExtremityWidth"] : 1;
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$ExtremityLength = isset($Format["ExtremityLength"]) ? $Format["ExtremityLength"] : 3;
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$ExtremityR = isset($Format["ExtremityR"]) ? $Format["ExtremityR"] : 0;
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$ExtremityG = isset($Format["ExtremityG"]) ? $Format["ExtremityG"] : 0;
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$ExtremityB = isset($Format["ExtremityB"]) ? $Format["ExtremityB"] : 0;
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$ExtremityAlpha = isset($Format["ExtremityAlpha"]) ? $Format["ExtremityAlpha"] : 100;
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$BoxWidth = isset($Format["BoxWidth"]) ? $Format["BoxWidth"] : 8;
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$BoxUpR = isset($Format["BoxUpR"]) ? $Format["BoxUpR"] : 188;
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$BoxUpG = isset($Format["BoxUpG"]) ? $Format["BoxUpG"] : 224;
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$BoxUpB = isset($Format["BoxUpB"]) ? $Format["BoxUpB"] : 46;
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$BoxUpAlpha = isset($Format["BoxUpAlpha"]) ? $Format["BoxUpAlpha"] : 100;
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$BoxUpSurrounding = isset($Format["BoxUpSurrounding"]) ? $Format["BoxUpSurrounding"] : NULL;
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$BoxUpBorderR = isset($Format["BoxUpBorderR"]) ? $Format["BoxUpBorderR"] : $BoxUpR-20;
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$BoxUpBorderG = isset($Format["BoxUpBorderG"]) ? $Format["BoxUpBorderG"] : $BoxUpG-20;
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$BoxUpBorderB = isset($Format["BoxUpBorderB"]) ? $Format["BoxUpBorderB"] : $BoxUpB-20;
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$BoxUpBorderAlpha = isset($Format["BoxUpBorderAlpha"]) ? $Format["BoxUpBorderAlpha"] : 100;
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$BoxDownR = isset($Format["BoxDownR"]) ? $Format["BoxDownR"] : 224;
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$BoxDownG = isset($Format["BoxDownG"]) ? $Format["BoxDownG"] : 100;
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$BoxDownB = isset($Format["BoxDownB"]) ? $Format["BoxDownB"] : 46;
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$BoxDownAlpha = isset($Format["BoxDownAlpha"]) ? $Format["BoxDownAlpha"] : 100;
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$BoxDownSurrounding= isset($Format["BoxDownSurrounding"]) ? $Format["BoxDownSurrounding"] : NULL;
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$BoxDownBorderR = isset($Format["BoxDownBorderR"]) ? $Format["BoxDownBorderR"] : $BoxDownR-20;
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$BoxDownBorderG = isset($Format["BoxDownBorderG"]) ? $Format["BoxDownBorderG"] : $BoxDownG-20;
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$BoxDownBorderB = isset($Format["BoxDownBorderB"]) ? $Format["BoxDownBorderB"] : $BoxDownB-20;
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$BoxDownBorderAlpha= isset($Format["BoxDownBorderAlpha"]) ? $Format["BoxDownBorderAlpha"] : 100;
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$ShadowOnBoxesOnly = isset($Format["ShadowOnBoxesOnly"]) ? $Format["ShadowOnBoxesOnly"] : TRUE;
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$MedianR = isset($Format["MedianR"]) ? $Format["MedianR"] : 255;
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$MedianG = isset($Format["MedianG"]) ? $Format["MedianG"] : 0;
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$MedianB = isset($Format["MedianB"]) ? $Format["MedianB"] : 0;
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$MedianAlpha = isset($Format["MedianAlpha"]) ? $Format["MedianAlpha"] : 100;
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$RecordImageMap = isset($Format["RecordImageMap"]) ? $Format["RecordImageMap"] : FALSE;
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$ImageMapTitle = isset($Format["ImageMapTitle"]) ? $Format["ImageMapTitle"] : "Stock Chart";
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/* Data Processing */
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$Data = $this->pDataObject->getData();
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$Palette = $this->pDataObject->getPalette();
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if ( $BoxUpSurrounding != NULL ) { $BoxUpBorderR = $BoxUpR + $BoxUpSurrounding; $BoxUpBorderG = $BoxUpG + $BoxUpSurrounding; $BoxUpBorderB = $BoxUpB + $BoxUpSurrounding; }
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if ( $BoxDownSurrounding != NULL ) { $BoxDownBorderR = $BoxDownR + $BoxDownSurrounding; $BoxDownBorderG = $BoxDownG + $BoxDownSurrounding; $BoxDownBorderB = $BoxDownB + $BoxDownSurrounding; }
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if ( $LineWidth != 1 ) { $LineOffset = $LineWidth / 2; }
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$BoxOffset = $BoxWidth / 2;
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$Data = $this->pChartObject->DataSet->getData();
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list($XMargin,$XDivs) = $this->pChartObject->scaleGetXSettings();
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if ( !isset($Data["Series"][$SerieOpen]) || !isset($Data["Series"][$SerieClose]) || !isset($Data["Series"][$SerieMin]) || !isset($Data["Series"][$SerieMax]) )
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return(STOCK_MISSING_SERIE);
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$Plots = "";
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foreach($Data["Series"][$SerieOpen]["Data"] as $Key => $Value)
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{
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$Point = "";
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if ( isset($Data["Series"][$SerieClose]["Data"][$Key]) || isset($Data["Series"][$SerieMin]["Data"][$Key]) || isset($Data["Series"][$SerieMax]["Data"][$Key]) )
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$Point = array($Value,$Data["Series"][$SerieClose]["Data"][$Key],$Data["Series"][$SerieMin]["Data"][$Key],$Data["Series"][$SerieMax]["Data"][$Key]);
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if ( $SerieMedian != NULL && isset($Data["Series"][$SerieMedian]["Data"][$Key]) )
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$Point[] = $Data["Series"][$SerieMedian]["Data"][$Key];
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$Plots[] = $Point;
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}
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$AxisID = $Data["Series"][$SerieOpen]["Axis"];
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$Mode = $Data["Axis"][$AxisID]["Display"];
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$Format = $Data["Axis"][$AxisID]["Format"];
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$Unit = $Data["Axis"][$AxisID]["Unit"];
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$YZero = $this->pChartObject->scaleComputeY(0,array("AxisID"=>$AxisID));
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$XStep = ($this->pChartObject->GraphAreaX2-$this->pChartObject->GraphAreaX1-$XMargin*2)/$XDivs;
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$X = $this->pChartObject->GraphAreaX1 + $XMargin;
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$Y = $this->pChartObject->GraphAreaY1 + $XMargin;
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$LineSettings = array("R"=>$LineR,"G"=>$LineG,"B"=>$LineB,"Alpha"=>$LineAlpha);
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$ExtremitySettings = array("R"=>$ExtremityR,"G"=>$ExtremityG,"B"=>$ExtremityB,"Alpha"=>$ExtremityAlpha);
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$BoxUpSettings = array("R"=>$BoxUpR,"G"=>$BoxUpG,"B"=>$BoxUpB,"Alpha"=>$BoxUpAlpha,"BorderR"=>$BoxUpBorderR,"BorderG"=>$BoxUpBorderG,"BorderB"=>$BoxUpBorderB,"BorderAlpha"=>$BoxUpBorderAlpha);
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$BoxDownSettings = array("R"=>$BoxDownR,"G"=>$BoxDownG,"B"=>$BoxDownB,"Alpha"=>$BoxDownAlpha,"BorderR"=>$BoxDownBorderR,"BorderG"=>$BoxDownBorderG,"BorderB"=>$BoxDownBorderB,"BorderAlpha"=>$BoxDownBorderAlpha);
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$MedianSettings = array("R"=>$MedianR,"G"=>$MedianG,"B"=>$MedianB,"Alpha"=>$MedianAlpha);
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foreach($Plots as $Key =>$Points)
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{
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$PosArray = $this->pChartObject->scaleComputeY($Points,array("AxisID"=>$AxisID));
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$Values = "Open :".$Data["Series"][$SerieOpen]["Data"][$Key]."<BR>Close : ".$Data["Series"][$SerieClose]["Data"][$Key]."<BR>Min : ".$Data["Series"][$SerieMin]["Data"][$Key]."<BR>Max : ".$Data["Series"][$SerieMax]["Data"][$Key]."<BR>";
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if ( $SerieMedian != NULL ) { $Values = $Values."Median : ".$Data["Series"][$SerieMedian]["Data"][$Key]."<BR>"; }
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if ( $PosArray[0] > $PosArray[1] ) { $ImageMapColor = $this->pChartObject->toHTMLColor($BoxUpR,$BoxUpG,$BoxUpB); } else { $ImageMapColor = $this->pChartObject->toHTMLColor($BoxDownR,$BoxDownG,$BoxDownB); }
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if ( $Data["Orientation"] == SCALE_POS_LEFTRIGHT )
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{
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if ( $YZero > $this->pChartObject->GraphAreaY2-1 ) { $YZero = $this->pChartObject->GraphAreaY2-1; }
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if ( $YZero < $this->pChartObject->GraphAreaY1+1 ) { $YZero = $this->pChartObject->GraphAreaY1+1; }
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if ( $XDivs == 0 ) { $XStep = 0; } else { $XStep = ($this->pChartObject->GraphAreaX2-$this->pChartObject->GraphAreaX1-$XMargin*2)/$XDivs; }
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if ( $ShadowOnBoxesOnly ) { $RestoreShadow = $this->pChartObject->Shadow; $this->pChartObject->Shadow = FALSE; }
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if ( $LineWidth == 1 )
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$this->pChartObject->drawLine($X,$PosArray[2],$X,$PosArray[3],$LineSettings);
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else
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$this->pChartObject->drawFilledRectangle($X-$LineOffset,$PosArray[2],$X+$LineOffset,$PosArray[3],$LineSettings);
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if ( $ExtremityWidth == 1 )
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{
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$this->pChartObject->drawLine($X-$ExtremityLength,$PosArray[2],$X+$ExtremityLength,$PosArray[2],$ExtremitySettings);
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$this->pChartObject->drawLine($X-$ExtremityLength,$PosArray[3],$X+$ExtremityLength,$PosArray[3],$ExtremitySettings);
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if ( $RecordImageMap ) { $this->pChartObject->addToImageMap("RECT",floor($X-$ExtremityLength).",".floor($PosArray[2]).",".floor($X+$ExtremityLength).",".floor($PosArray[3]),$ImageMapColor,$ImageMapTitle,$Values); }
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}
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else
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{
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$this->pChartObject->drawFilledRectangle($X-$ExtremityLength,$PosArray[2],$X+$ExtremityLength,$PosArray[2]-$ExtremityWidth,$ExtremitySettings);
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$this->pChartObject->drawFilledRectangle($X-$ExtremityLength,$PosArray[3],$X+$ExtremityLength,$PosArray[3]+$ExtremityWidth,$ExtremitySettings);
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if ( $RecordImageMap ) { $this->pChartObject->addToImageMap("RECT",floor($X-$ExtremityLength).",".floor($PosArray[2]-$ExtremityWidth).",".floor($X+$ExtremityLength).",".floor($PosArray[3]+$ExtremityWidth),$ImageMapColor,$ImageMapTitle,$Values); }
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}
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if ( $ShadowOnBoxesOnly ) { $this->pChartObject->Shadow = $RestoreShadow; }
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if ( $PosArray[0] > $PosArray[1] )
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$this->pChartObject->drawFilledRectangle($X-$BoxOffset,$PosArray[0],$X+$BoxOffset,$PosArray[1],$BoxUpSettings);
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else
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$this->pChartObject->drawFilledRectangle($X-$BoxOffset,$PosArray[0],$X+$BoxOffset,$PosArray[1],$BoxDownSettings);
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if ( isset($PosArray[4]) )
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$this->pChartObject->drawLine($X-$ExtremityLength,$PosArray[4],$X+$ExtremityLength,$PosArray[4],$MedianSettings);
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$X = $X + $XStep;
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}
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elseif ( $Data["Orientation"] == SCALE_POS_TOPBOTTOM )
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{
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if ( $YZero > $this->pChartObject->GraphAreaX2-1 ) { $YZero = $this->pChartObject->GraphAreaX2-1; }
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if ( $YZero < $this->pChartObject->GraphAreaX1+1 ) { $YZero = $this->pChartObject->GraphAreaX1+1; }
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if ( $XDivs == 0 ) { $XStep = 0; } else { $XStep = ($this->pChartObject->GraphAreaY2-$this->pChartObject->GraphAreaY1-$XMargin*2)/$XDivs; }
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if ( $LineWidth == 1 )
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$this->pChartObject->drawLine($PosArray[2],$Y,$PosArray[3],$Y,$LineSettings);
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else
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$this->pChartObject->drawFilledRectangle($PosArray[2],$Y-$LineOffset,$PosArray[3],$Y+$LineOffset,$LineSettings);
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if ( $ShadowOnBoxesOnly ) { $RestoreShadow = $this->pChartObject->Shadow; $this->pChartObject->Shadow = FALSE; }
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if ( $ExtremityWidth == 1 )
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{
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$this->pChartObject->drawLine($PosArray[2],$Y-$ExtremityLength,$PosArray[2],$Y+$ExtremityLength,$ExtremitySettings);
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$this->pChartObject->drawLine($PosArray[3],$Y-$ExtremityLength,$PosArray[3],$Y+$ExtremityLength,$ExtremitySettings);
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if ( $RecordImageMap ) { $this->pChartObject->addToImageMap("RECT",floor($PosArray[2]).",".floor($Y-$ExtremityLength).",".floor($PosArray[3]).",".floor($Y+$ExtremityLength),$ImageMapColor,$ImageMapTitle,$Values); }
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}
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else
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{
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$this->pChartObject->drawFilledRectangle($PosArray[2],$Y-$ExtremityLength,$PosArray[2]-$ExtremityWidth,$Y+$ExtremityLength,$ExtremitySettings);
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$this->pChartObject->drawFilledRectangle($PosArray[3],$Y-$ExtremityLength,$PosArray[3]+$ExtremityWidth,$Y+$ExtremityLength,$ExtremitySettings);
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if ( $RecordImageMap ) { $this->pChartObject->addToImageMap("RECT",floor($PosArray[2]-$ExtremityWidth).",".floor($Y-$ExtremityLength).",".floor($PosArray[3]+$ExtremityWidth).",".floor($Y+$ExtremityLength),$ImageMapColor,$ImageMapTitle,$Values); }
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}
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if ( $ShadowOnBoxesOnly ) { $this->pChartObject->Shadow = $RestoreShadow; }
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if ( $PosArray[0] < $PosArray[1] )
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$this->pChartObject->drawFilledRectangle($PosArray[0],$Y-$BoxOffset,$PosArray[1],$Y+$BoxOffset,$BoxUpSettings);
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else
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$this->pChartObject->drawFilledRectangle($PosArray[0],$Y-$BoxOffset,$PosArray[1],$Y+$BoxOffset,$BoxDownSettings);
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if ( isset($PosArray[4]) )
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$this->pChartObject->drawLine($PosArray[4],$Y-$ExtremityLength,$PosArray[4],$Y+$ExtremityLength,$MedianSettings);
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$Y = $Y + $XStep;
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}
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}
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}
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}
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?>
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