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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 $pDataObject;
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/* Class creator */
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function __construct($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(array $Format = [])
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{
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$SerieOpen = "Open";
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$SerieClose = "Close";
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$SerieMin = "Min";
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$SerieMax = "Max";
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$SerieMedian = NULL;
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$LineWidth = 1;
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$LineR = 0;
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$LineG = 0;
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$LineB = 0;
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$LineAlpha = 100;
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$ExtremityWidth = 1;
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$ExtremityLength = 3;
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$ExtremityR = 0;
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$ExtremityG = 0;
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$ExtremityB = 0;
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$ExtremityAlpha = 100;
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$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 = 100;
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$BoxUpSurrounding = NULL;
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$BoxUpBorderR = $BoxUpR - 20;
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$BoxUpBorderG = $BoxUpG - 20;
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$BoxUpBorderB = $BoxUpB - 20;
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$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 = 100;
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$BoxDownSurrounding = NULL;
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$BoxDownBorderR = $BoxDownR - 20;
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$BoxDownBorderG = $BoxDownG - 20;
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$BoxDownBorderB = $BoxDownB - 20;
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$BoxDownBorderAlpha = 100;
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$ShadowOnBoxesOnly = TRUE;
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$MedianR = 255;
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$MedianG = 0;
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$MedianB = 0;
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$MedianAlpha = 100;
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$RecordImageMap = FALSE;
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$ImageMapTitle = "Stock Chart";
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/* Override defaults */
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extract($Format);
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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) {
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$BoxUpBorderR = $BoxUpR + $BoxUpSurrounding;
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$BoxUpBorderG = $BoxUpG + $BoxUpSurrounding;
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$BoxUpBorderB = $BoxUpB + $BoxUpSurrounding;
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}
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if ($BoxDownSurrounding != NULL) {
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$BoxDownBorderR = $BoxDownR + $BoxDownSurrounding;
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$BoxDownBorderG = $BoxDownG + $BoxDownSurrounding;
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$BoxDownBorderB = $BoxDownB + $BoxDownSurrounding;
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}
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if ($LineWidth != 1) {
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$LineOffset = $LineWidth / 2;
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}
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$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"][$SerieMax])) {
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return STOCK_MISSING_SERIE;
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}
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$Plots = [];
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foreach($Data["Series"][$SerieOpen]["Data"] as $Key => $Value) {
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$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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}
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if ($SerieMedian != NULL && isset($Data["Series"][$SerieMedian]["Data"][$Key])) {
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$Point[] = $Data["Series"][$SerieMedian]["Data"][$Key];
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}
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$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, ["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 = ["R" => $LineR,"G" => $LineG,"B" => $LineB,"Alpha" => $LineAlpha];
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$ExtremitySettings = ["R" => $ExtremityR,"G" => $ExtremityG,"B" => $ExtremityB, "Alpha" => $ExtremityAlpha];
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$BoxUpSettings = ["R" => $BoxUpR,"G" => $BoxUpG,"B" => $BoxUpB,"Alpha" => $BoxUpAlpha,"BorderR" => $BoxUpBorderR,"BorderG" => $BoxUpBorderG,"BorderB" => $BoxUpBorderB,"BorderAlpha" => $BoxUpBorderAlpha];
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$BoxDownSettings = ["R" => $BoxDownR,"G" => $BoxDownG,"B" => $BoxDownB,"Alpha" => $BoxDownAlpha,"BorderR" => $BoxDownBorderR,"BorderG" => $BoxDownBorderG,"BorderB" => $BoxDownBorderB,"BorderAlpha" => $BoxDownBorderAlpha];
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$MedianSettings = ["R" => $MedianR,"G" => $MedianG,"B" => $MedianB,"Alpha" => $MedianAlpha];
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foreach($Plots as $Key => $Points) {
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$PosArray = $this->pChartObject->scaleComputeY($Points, ["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) {
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$Values = $Values . "Median : " . $Data["Series"][$SerieMedian]["Data"][$Key] . "<br />";
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}
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if ($PosArray[0] > $PosArray[1]) {
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$ImageMapColor = $this->pChartObject->toHTMLColor($BoxUpR, $BoxUpG, $BoxUpB);
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} else {
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$ImageMapColor = $this->pChartObject->toHTMLColor($BoxDownR, $BoxDownG, $BoxDownB);
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}
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if ($Data["Orientation"] == SCALE_POS_LEFTRIGHT) {
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if ($YZero > $this->pChartObject->GraphAreaY2 - 1) {
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$YZero = $this->pChartObject->GraphAreaY2 - 1;
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}
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if ($YZero < $this->pChartObject->GraphAreaY1 + 1) {
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$YZero = $this->pChartObject->GraphAreaY1 + 1;
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}
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if ($XDivs == 0) {
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$XStep = 0;
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} else {
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$XStep = ($this->pChartObject->GraphAreaX2 - $this->pChartObject->GraphAreaX1 - $XMargin * 2) / $XDivs;
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}
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if ($ShadowOnBoxesOnly) {
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$RestoreShadow = $this->pChartObject->Shadow;
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$this->pChartObject->Shadow = FALSE;
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}
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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], $LineSettings);
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}
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if ($ExtremityWidth == 1) {
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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) {
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$this->pChartObject->addToImageMap("RECT", floor($X - $ExtremityLength) . "," . floor($PosArray[2]) . "," . floor($X + $ExtremityLength) . "," . floor($PosArray[3]) , $ImageMapColor, $ImageMapTitle, $Values);
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}
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} else {
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$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) {
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$this->pChartObject->addToImageMap("RECT", floor($X - $ExtremityLength) . "," . floor($PosArray[2] - $ExtremityWidth) . "," . floor($X + $ExtremityLength) . "," . floor($PosArray[3] + $ExtremityWidth) , $ImageMapColor, $ImageMapTitle, $Values);
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}
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}
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if ($ShadowOnBoxesOnly) {
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$this->pChartObject->Shadow = $RestoreShadow;
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}
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if ($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], $BoxDownSettings);
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}
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if (isset($PosArray[4])) {
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$this->pChartObject->drawLine($X - $ExtremityLength, $PosArray[4], $X + $ExtremityLength, $PosArray[4], $MedianSettings);
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}
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$X = $X + $XStep;
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} elseif ($Data["Orientation"] == SCALE_POS_TOPBOTTOM) {
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if ($YZero > $this->pChartObject->GraphAreaX2 - 1) {
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$YZero = $this->pChartObject->GraphAreaX2 - 1;
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}
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if ($YZero < $this->pChartObject->GraphAreaX1 + 1) {
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$YZero = $this->pChartObject->GraphAreaX1 + 1;
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}
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if ($XDivs == 0) {
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$XStep = 0;
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} else {
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$XStep = ($this->pChartObject->GraphAreaY2 - $this->pChartObject->GraphAreaY1 - $XMargin * 2) / $XDivs;
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}
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if ($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, $LineSettings);
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}
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if ($ShadowOnBoxesOnly) {
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$RestoreShadow = $this->pChartObject->Shadow;
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$this->pChartObject->Shadow = FALSE;
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}
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if ($ExtremityWidth == 1) {
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$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) {
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$this->pChartObject->addToImageMap("RECT", floor($PosArray[2]) . "," . floor($Y - $ExtremityLength) . "," . floor($PosArray[3]) . "," . floor($Y + $ExtremityLength) , $ImageMapColor, $ImageMapTitle, $Values);
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}
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} else {
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$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) {
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$this->pChartObject->addToImageMap("RECT", floor($PosArray[2] - $ExtremityWidth) . "," . floor($Y - $ExtremityLength) . "," . floor($PosArray[3] + $ExtremityWidth) . "," . floor($Y + $ExtremityLength) , $ImageMapColor, $ImageMapTitle, $Values);
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}
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}
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if ($ShadowOnBoxesOnly) {
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$this->pChartObject->Shadow = $RestoreShadow;
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}
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if ($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, $BoxDownSettings);
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}
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if (isset($PosArray[4])) {
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$this->pChartObject->drawLine($PosArray[4], $Y - $ExtremityLength, $PosArray[4], $Y + $ExtremityLength, $MedianSettings);
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}
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$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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