pStock.class.php in Visitors 7

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pChart/class/pStock.class.php

<?php

/*
    pStock - class to draw stock charts

    Version     : 2.1.4
    Made by     : Jean-Damien POGOLOTTI
    Last Update : 19/01/2014

    This file can be distributed under the license you can find at :

                      http://www.pchart.net/license

    You can find the whole class documentation on the pChart web site.
*/
define("STOCK_MISSING_SERIE", 180001);

/* pStock class definition */
class pStock {
  var $pChartObject;
  var $pDataObject;

  /* Class creator */
  function pStock($pChartObject, $pDataObject) {
    $this->pChartObject = $pChartObject;
    $this->pDataObject = $pDataObject;
  }

  /* Draw a stock chart */
  function drawStockChart($Format = "") {
    $SerieOpen = isset($Format["SerieOpen"]) ? $Format["SerieOpen"] : "Open";
    $SerieClose = isset($Format["SerieClose"]) ? $Format["SerieClose"] : "Close";
    $SerieMin = isset($Format["SerieMin"]) ? $Format["SerieMin"] : "Min";
    $SerieMax = isset($Format["SerieMax"]) ? $Format["SerieMax"] : "Max";
    $SerieMedian = isset($Format["SerieMedian"]) ? $Format["SerieMedian"] : NULL;
    $LineWidth = isset($Format["LineWidth"]) ? $Format["LineWidth"] : 1;
    $LineR = isset($Format["LineR"]) ? $Format["LineR"] : 0;
    $LineG = isset($Format["LineG"]) ? $Format["LineG"] : 0;
    $LineB = isset($Format["LineB"]) ? $Format["LineB"] : 0;
    $LineAlpha = isset($Format["LineAlpha"]) ? $Format["LineAlpha"] : 100;
    $ExtremityWidth = isset($Format["ExtremityWidth"]) ? $Format["ExtremityWidth"] : 1;
    $ExtremityLength = isset($Format["ExtremityLength"]) ? $Format["ExtremityLength"] : 3;
    $ExtremityR = isset($Format["ExtremityR"]) ? $Format["ExtremityR"] : 0;
    $ExtremityG = isset($Format["ExtremityG"]) ? $Format["ExtremityG"] : 0;
    $ExtremityB = isset($Format["ExtremityB"]) ? $Format["ExtremityB"] : 0;
    $ExtremityAlpha = isset($Format["ExtremityAlpha"]) ? $Format["ExtremityAlpha"] : 100;
    $BoxWidth = isset($Format["BoxWidth"]) ? $Format["BoxWidth"] : 8;
    $BoxUpR = isset($Format["BoxUpR"]) ? $Format["BoxUpR"] : 188;
    $BoxUpG = isset($Format["BoxUpG"]) ? $Format["BoxUpG"] : 224;
    $BoxUpB = isset($Format["BoxUpB"]) ? $Format["BoxUpB"] : 46;
    $BoxUpAlpha = isset($Format["BoxUpAlpha"]) ? $Format["BoxUpAlpha"] : 100;
    $BoxUpSurrounding = isset($Format["BoxUpSurrounding"]) ? $Format["BoxUpSurrounding"] : NULL;
    $BoxUpBorderR = isset($Format["BoxUpBorderR"]) ? $Format["BoxUpBorderR"] : $BoxUpR - 20;
    $BoxUpBorderG = isset($Format["BoxUpBorderG"]) ? $Format["BoxUpBorderG"] : $BoxUpG - 20;
    $BoxUpBorderB = isset($Format["BoxUpBorderB"]) ? $Format["BoxUpBorderB"] : $BoxUpB - 20;
    $BoxUpBorderAlpha = isset($Format["BoxUpBorderAlpha"]) ? $Format["BoxUpBorderAlpha"] : 100;
    $BoxDownR = isset($Format["BoxDownR"]) ? $Format["BoxDownR"] : 224;
    $BoxDownG = isset($Format["BoxDownG"]) ? $Format["BoxDownG"] : 100;
    $BoxDownB = isset($Format["BoxDownB"]) ? $Format["BoxDownB"] : 46;
    $BoxDownAlpha = isset($Format["BoxDownAlpha"]) ? $Format["BoxDownAlpha"] : 100;
    $BoxDownSurrounding = isset($Format["BoxDownSurrounding"]) ? $Format["BoxDownSurrounding"] : NULL;
    $BoxDownBorderR = isset($Format["BoxDownBorderR"]) ? $Format["BoxDownBorderR"] : $BoxDownR - 20;
    $BoxDownBorderG = isset($Format["BoxDownBorderG"]) ? $Format["BoxDownBorderG"] : $BoxDownG - 20;
    $BoxDownBorderB = isset($Format["BoxDownBorderB"]) ? $Format["BoxDownBorderB"] : $BoxDownB - 20;
    $BoxDownBorderAlpha = isset($Format["BoxDownBorderAlpha"]) ? $Format["BoxDownBorderAlpha"] : 100;
    $ShadowOnBoxesOnly = isset($Format["ShadowOnBoxesOnly"]) ? $Format["ShadowOnBoxesOnly"] : TRUE;
    $MedianR = isset($Format["MedianR"]) ? $Format["MedianR"] : 255;
    $MedianG = isset($Format["MedianG"]) ? $Format["MedianG"] : 0;
    $MedianB = isset($Format["MedianB"]) ? $Format["MedianB"] : 0;
    $MedianAlpha = isset($Format["MedianAlpha"]) ? $Format["MedianAlpha"] : 100;
    $RecordImageMap = isset($Format["RecordImageMap"]) ? $Format["RecordImageMap"] : FALSE;
    $ImageMapTitle = isset($Format["ImageMapTitle"]) ? $Format["ImageMapTitle"] : "Stock Chart";

    /* Data Processing */
    $Data = $this->pDataObject
      ->getData();
    $Palette = $this->pDataObject
      ->getPalette();
    if ($BoxUpSurrounding != NULL) {
      $BoxUpBorderR = $BoxUpR + $BoxUpSurrounding;
      $BoxUpBorderG = $BoxUpG + $BoxUpSurrounding;
      $BoxUpBorderB = $BoxUpB + $BoxUpSurrounding;
    }
    if ($BoxDownSurrounding != NULL) {
      $BoxDownBorderR = $BoxDownR + $BoxDownSurrounding;
      $BoxDownBorderG = $BoxDownG + $BoxDownSurrounding;
      $BoxDownBorderB = $BoxDownB + $BoxDownSurrounding;
    }
    if ($LineWidth != 1) {
      $LineOffset = $LineWidth / 2;
    }
    $BoxOffset = $BoxWidth / 2;
    $Data = $this->pChartObject->DataSet
      ->getData();
    list($XMargin, $XDivs) = $this->pChartObject
      ->scaleGetXSettings();
    if (!isset($Data["Series"][$SerieOpen]) || !isset($Data["Series"][$SerieClose]) || !isset($Data["Series"][$SerieMin]) || !isset($Data["Series"][$SerieMax])) {
      return STOCK_MISSING_SERIE;
    }
    $Plots = "";
    foreach ($Data["Series"][$SerieOpen]["Data"] as $Key => $Value) {
      $Point = "";
      if (isset($Data["Series"][$SerieClose]["Data"][$Key]) || isset($Data["Series"][$SerieMin]["Data"][$Key]) || isset($Data["Series"][$SerieMax]["Data"][$Key])) {
        $Point = array(
          $Value,
          $Data["Series"][$SerieClose]["Data"][$Key],
          $Data["Series"][$SerieMin]["Data"][$Key],
          $Data["Series"][$SerieMax]["Data"][$Key],
        );
      }
      if ($SerieMedian != NULL && isset($Data["Series"][$SerieMedian]["Data"][$Key])) {
        $Point[] = $Data["Series"][$SerieMedian]["Data"][$Key];
      }
      $Plots[] = $Point;
    }
    $AxisID = $Data["Series"][$SerieOpen]["Axis"];
    $Mode = $Data["Axis"][$AxisID]["Display"];
    $Format = $Data["Axis"][$AxisID]["Format"];
    $Unit = $Data["Axis"][$AxisID]["Unit"];
    $YZero = $this->pChartObject
      ->scaleComputeY(0, array(
      "AxisID" => $AxisID,
    ));
    $XStep = ($this->pChartObject->GraphAreaX2 - $this->pChartObject->GraphAreaX1 - $XMargin * 2) / $XDivs;
    $X = $this->pChartObject->GraphAreaX1 + $XMargin;
    $Y = $this->pChartObject->GraphAreaY1 + $XMargin;
    $LineSettings = array(
      "R" => $LineR,
      "G" => $LineG,
      "B" => $LineB,
      "Alpha" => $LineAlpha,
    );
    $ExtremitySettings = array(
      "R" => $ExtremityR,
      "G" => $ExtremityG,
      "B" => $ExtremityB,
      "Alpha" => $ExtremityAlpha,
    );
    $BoxUpSettings = array(
      "R" => $BoxUpR,
      "G" => $BoxUpG,
      "B" => $BoxUpB,
      "Alpha" => $BoxUpAlpha,
      "BorderR" => $BoxUpBorderR,
      "BorderG" => $BoxUpBorderG,
      "BorderB" => $BoxUpBorderB,
      "BorderAlpha" => $BoxUpBorderAlpha,
    );
    $BoxDownSettings = array(
      "R" => $BoxDownR,
      "G" => $BoxDownG,
      "B" => $BoxDownB,
      "Alpha" => $BoxDownAlpha,
      "BorderR" => $BoxDownBorderR,
      "BorderG" => $BoxDownBorderG,
      "BorderB" => $BoxDownBorderB,
      "BorderAlpha" => $BoxDownBorderAlpha,
    );
    $MedianSettings = array(
      "R" => $MedianR,
      "G" => $MedianG,
      "B" => $MedianB,
      "Alpha" => $MedianAlpha,
    );
    foreach ($Plots as $Key => $Points) {
      $PosArray = $this->pChartObject
        ->scaleComputeY($Points, array(
        "AxisID" => $AxisID,
      ));
      $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"][$Key] . "<BR>";
      if ($SerieMedian != NULL) {
        $Values = $Values . "Median : " . $Data["Series"][$SerieMedian]["Data"][$Key] . "<BR>";
      }
      if ($PosArray[0] > $PosArray[1]) {
        $ImageMapColor = $this->pChartObject
          ->toHTMLColor($BoxUpR, $BoxUpG, $BoxUpB);
      }
      else {
        $ImageMapColor = $this->pChartObject
          ->toHTMLColor($BoxDownR, $BoxDownG, $BoxDownB);
      }
      if ($Data["Orientation"] == SCALE_POS_LEFTRIGHT) {
        if ($YZero > $this->pChartObject->GraphAreaY2 - 1) {
          $YZero = $this->pChartObject->GraphAreaY2 - 1;
        }
        if ($YZero < $this->pChartObject->GraphAreaY1 + 1) {
          $YZero = $this->pChartObject->GraphAreaY1 + 1;
        }
        if ($XDivs == 0) {
          $XStep = 0;
        }
        else {
          $XStep = ($this->pChartObject->GraphAreaX2 - $this->pChartObject->GraphAreaX1 - $XMargin * 2) / $XDivs;
        }
        if ($ShadowOnBoxesOnly) {
          $RestoreShadow = $this->pChartObject->Shadow;
          $this->pChartObject->Shadow = FALSE;
        }
        if ($LineWidth == 1) {
          $this->pChartObject
            ->drawLine($X, $PosArray[2], $X, $PosArray[3], $LineSettings);
        }
        else {
          $this->pChartObject
            ->drawFilledRectangle($X - $LineOffset, $PosArray[2], $X + $LineOffset, $PosArray[3], $LineSettings);
        }
        if ($ExtremityWidth == 1) {
          $this->pChartObject
            ->drawLine($X - $ExtremityLength, $PosArray[2], $X + $ExtremityLength, $PosArray[2], $ExtremitySettings);
          $this->pChartObject
            ->drawLine($X - $ExtremityLength, $PosArray[3], $X + $ExtremityLength, $PosArray[3], $ExtremitySettings);
          if ($RecordImageMap) {
            $this->pChartObject
              ->addToImageMap("RECT", floor($X - $ExtremityLength) . "," . floor($PosArray[2]) . "," . floor($X + $ExtremityLength) . "," . floor($PosArray[3]), $ImageMapColor, $ImageMapTitle, $Values);
          }
        }
        else {
          $this->pChartObject
            ->drawFilledRectangle($X - $ExtremityLength, $PosArray[2], $X + $ExtremityLength, $PosArray[2] - $ExtremityWidth, $ExtremitySettings);
          $this->pChartObject
            ->drawFilledRectangle($X - $ExtremityLength, $PosArray[3], $X + $ExtremityLength, $PosArray[3] + $ExtremityWidth, $ExtremitySettings);
          if ($RecordImageMap) {
            $this->pChartObject
              ->addToImageMap("RECT", floor($X - $ExtremityLength) . "," . floor($PosArray[2] - $ExtremityWidth) . "," . floor($X + $ExtremityLength) . "," . floor($PosArray[3] + $ExtremityWidth), $ImageMapColor, $ImageMapTitle, $Values);
          }
        }
        if ($ShadowOnBoxesOnly) {
          $this->pChartObject->Shadow = $RestoreShadow;
        }
        if ($PosArray[0] > $PosArray[1]) {
          $this->pChartObject
            ->drawFilledRectangle($X - $BoxOffset, $PosArray[0], $X + $BoxOffset, $PosArray[1], $BoxUpSettings);
        }
        else {
          $this->pChartObject
            ->drawFilledRectangle($X - $BoxOffset, $PosArray[0], $X + $BoxOffset, $PosArray[1], $BoxDownSettings);
        }
        if (isset($PosArray[4])) {
          $this->pChartObject
            ->drawLine($X - $ExtremityLength, $PosArray[4], $X + $ExtremityLength, $PosArray[4], $MedianSettings);
        }
        $X = $X + $XStep;
      }
      elseif ($Data["Orientation"] == SCALE_POS_TOPBOTTOM) {
        if ($YZero > $this->pChartObject->GraphAreaX2 - 1) {
          $YZero = $this->pChartObject->GraphAreaX2 - 1;
        }
        if ($YZero < $this->pChartObject->GraphAreaX1 + 1) {
          $YZero = $this->pChartObject->GraphAreaX1 + 1;
        }
        if ($XDivs == 0) {
          $XStep = 0;
        }
        else {
          $XStep = ($this->pChartObject->GraphAreaY2 - $this->pChartObject->GraphAreaY1 - $XMargin * 2) / $XDivs;
        }
        if ($LineWidth == 1) {
          $this->pChartObject
            ->drawLine($PosArray[2], $Y, $PosArray[3], $Y, $LineSettings);
        }
        else {
          $this->pChartObject
            ->drawFilledRectangle($PosArray[2], $Y - $LineOffset, $PosArray[3], $Y + $LineOffset, $LineSettings);
        }
        if ($ShadowOnBoxesOnly) {
          $RestoreShadow = $this->pChartObject->Shadow;
          $this->pChartObject->Shadow = FALSE;
        }
        if ($ExtremityWidth == 1) {
          $this->pChartObject
            ->drawLine($PosArray[2], $Y - $ExtremityLength, $PosArray[2], $Y + $ExtremityLength, $ExtremitySettings);
          $this->pChartObject
            ->drawLine($PosArray[3], $Y - $ExtremityLength, $PosArray[3], $Y + $ExtremityLength, $ExtremitySettings);
          if ($RecordImageMap) {
            $this->pChartObject
              ->addToImageMap("RECT", floor($PosArray[2]) . "," . floor($Y - $ExtremityLength) . "," . floor($PosArray[3]) . "," . floor($Y + $ExtremityLength), $ImageMapColor, $ImageMapTitle, $Values);
          }
        }
        else {
          $this->pChartObject
            ->drawFilledRectangle($PosArray[2], $Y - $ExtremityLength, $PosArray[2] - $ExtremityWidth, $Y + $ExtremityLength, $ExtremitySettings);
          $this->pChartObject
            ->drawFilledRectangle($PosArray[3], $Y - $ExtremityLength, $PosArray[3] + $ExtremityWidth, $Y + $ExtremityLength, $ExtremitySettings);
          if ($RecordImageMap) {
            $this->pChartObject
              ->addToImageMap("RECT", floor($PosArray[2] - $ExtremityWidth) . "," . floor($Y - $ExtremityLength) . "," . floor($PosArray[3] + $ExtremityWidth) . "," . floor($Y + $ExtremityLength), $ImageMapColor, $ImageMapTitle, $Values);
          }
        }
        if ($ShadowOnBoxesOnly) {
          $this->pChartObject->Shadow = $RestoreShadow;
        }
        if ($PosArray[0] < $PosArray[1]) {
          $this->pChartObject
            ->drawFilledRectangle($PosArray[0], $Y - $BoxOffset, $PosArray[1], $Y + $BoxOffset, $BoxUpSettings);
        }
        else {
          $this->pChartObject
            ->drawFilledRectangle($PosArray[0], $Y - $BoxOffset, $PosArray[1], $Y + $BoxOffset, $BoxDownSettings);
        }
        if (isset($PosArray[4])) {
          $this->pChartObject
            ->drawLine($PosArray[4], $Y - $ExtremityLength, $PosArray[4], $Y + $ExtremityLength, $MedianSettings);
        }
        $Y = $Y + $XStep;
      }
    }
  }

}

Constants

Name	Description
STOCK_MISSING_SERIE

Classes

Name	Description
pStock