function pDraw::drawFilledStepChart

5.x pDraw.class.php pDraw::drawFilledStepChart($Format = NULL)

File

inc/pchart/pchart/class/pDraw.class.php, line 4094

Class

pDraw

Code

function drawFilledStepChart($Format = NULL) 
 {
  $ReCenter = isset($Format ["ReCenter"]) ? $Format ["ReCenter"] : TRUE;
  $DisplayValues = isset($Format ["DisplayValues"]) ? $Format ["DisplayValues"] : FALSE;
  $DisplayOffset = isset($Format ["DisplayOffset"]) ? $Format ["DisplayOffset"] : 2;
  $DisplayColor = isset($Format ["DisplayColor"]) ? $Format ["DisplayColor"] : DISPLAY_MANUAL;
  $ForceTransparency = isset($Format ["ForceTransparency"]) ? $Format ["ForceTransparency"] : NULL;
  $DisplayR = isset($Format ["DisplayR"]) ? $Format ["DisplayR"] : 0;
  $DisplayG = isset($Format ["DisplayG"]) ? $Format ["DisplayG"] : 0;
  $DisplayB = isset($Format ["DisplayB"]) ? $Format ["DisplayB"] : 0;
  $AroundZero = isset($Format ["AroundZero"]) ? $Format ["AroundZero"] : TRUE;

  $this->LastChartLayout = CHART_LAST_LAYOUT_REGULAR;

  $Data = $this->DataSet->getData();
  list($XMargin, $XDivs) = $this->scaleGetXSettings();
  foreach ($Data ["Series"] as $SerieName => $Serie) 
   {
    if ($Serie ["isDrawable"] == TRUE && $SerieName != $Data ["Abscissa"]) 
     {
      $R = $Serie ["Color"]["R"];
      $G = $Serie ["Color"]["G"];
      $B = $Serie ["Color"]["B"];
      $Alpha = $Serie ["Color"]["Alpha"];
      $Ticks = $Serie ["Ticks"];
      $Weight = $Serie ["Weight"];

      if ($DisplayColor == DISPLAY_AUTO) {
        $DisplayR = $R;
        $DisplayG = $G;
        $DisplayB = $B;
      }

      $AxisID = $Serie ["Axis"];
      $Mode = $Data ["Axis"][$AxisID]["Display"];
      $Format = $Data ["Axis"][$AxisID]["Format"];
      $Unit = $Data ["Axis"][$AxisID]["Unit"];

      $Color = array("R" => $R, "G" => $G, "B" => $B);
      if ($ForceTransparency != NULL) {
        $Color ["Alpha"] = $ForceTransparency;
      }
      else {
        $Color ["Alpha"] = $Alpha;
      }

      $PosArray = $this->scaleComputeY($Serie ["Data"], array("AxisID" => $Serie ["Axis"]));
      $YZero = $this->scaleComputeY(0, array("AxisID" => $Serie ["Axis"]));

      $this->DataSet->Data ["Series"][$SerieName]["XOffset"] = 0;

      if ($Data ["Orientation"] == SCALE_POS_LEFTRIGHT) 
       {
        if ($YZero > $this->GraphAreaY2 -1) {
          $YZero = $this->GraphAreaY2 -1;
        }
        if ($YZero < $this->GraphAreaY1 + 1) {
          $YZero = $this->GraphAreaY1 + 1;
        }

        if ($XDivs == 0) {
          $XStep = ($this->GraphAreaX2 -$this->GraphAreaX1) / 4;
        }
        else {
          $XStep = ($this->GraphAreaX2 -$this->GraphAreaX1 -$XMargin * 2) / $XDivs;
        }
        $X = $this->GraphAreaX1 + $XMargin;
        $LastX = NULL;
        $LastY = NULL;

        if (!$AroundZero) {
          $YZero = $this->GraphAreaY2 -1;
        }

        if (!is_array($PosArray)) {
          $Value = $PosArray;
          $PosArray = "";
          $PosArray [0] = $Value;
        }
        $LastGoodY = NULL;
        $LastGoodX = NULL;
        $Points = "";
        $Init = FALSE;
        foreach ($PosArray as $Key => $Y) 
         {
          if ($Y == VOID && $LastX != NULL && $LastY != NULL && $Points != "") 
           {
            $Points [] = $LastX;
            $Points [] = $LastY;
            $Points [] = $X;
            $Points [] = $LastY;
            $Points [] = $X;
            $Points [] = $YZero;
            $this->drawPolygon($Points, $Color);
            $Points = "";
          }

          if ($Y != VOID && $LastX != NULL && $LastY != NULL) 
           {
            if ($Points == "") {
              $Points [] = $LastX;
              $Points [] = $YZero;
            }
            $Points [] = $LastX;
            $Points [] = $LastY;
            $Points [] = $X;
            $Points [] = $LastY;
            $Points [] = $X;
            $Points [] = $Y;
          }

          if ($Y != VOID) {
            $LastGoodY = $Y;
            $LastGoodX = $X;
          }
          if ($Y == VOID) {
            $Y = NULL;
          }

          if (!$Init && $ReCenter) {
            $X = $X - $XStep / 2;
            $Init = TRUE;
          }
          $LastX = $X;
          $LastY = $Y;
          if ($LastX < $this->GraphAreaX1 + $XMargin) {
            $LastX = $this->GraphAreaX1 + $XMargin;
          }
          $X = $X + $XStep;
        }

        if ($ReCenter) 
         {
          $Points [] = $LastX + $XStep / 2;
          $Points [] = $LastY;
          $Points [] = $LastX + $XStep / 2;
          $Points [] = $YZero;
        }
        else 
         {
          $Points [] = $LastX;
          $Points [] = $YZero;
        }

        $this->drawPolygon($Points, $Color);
      }
      else 
       {
        if ($YZero < $this->GraphAreaX1 + 1) {
          $YZero = $this->GraphAreaX1 + 1;
        }
        if ($YZero > $this->GraphAreaX2 -1) {
          $YZero = $this->GraphAreaX2 -1;
        }

        if ($XDivs == 0) {
          $YStep = ($this->GraphAreaY2 -$this->GraphAreaY1) / 4;
        }
        else {
          $YStep = ($this->GraphAreaY2 -$this->GraphAreaY1 -$XMargin * 2) / $XDivs;
        }
        $Y = $this->GraphAreaY1 + $XMargin;
        $LastX = NULL;
        $LastY = NULL;

        if (!is_array($PosArray)) {
          $Value = $PosArray;
          $PosArray = "";
          $PosArray [0] = $Value;
        }
        $LastGoodY = NULL;
        $LastGoodX = NULL;
        $Points = "";
        foreach ($PosArray as $Key => $X) 
         {
          if ($X == VOID && $LastX != NULL && $LastY != NULL && $Points != "") 
           {
            $Points [] = $LastX;
            $Points [] = $LastY;
            $Points [] = $LastX;
            $Points [] = $Y;
            $Points [] = $YZero;
            $Points [] = $Y;
            $this->drawPolygon($Points, $Color);
            $Points = "";
          }

          if ($X != VOID && $LastX != NULL && $LastY != NULL) 
           {
            if ($Points == "") {
              $Points [] = $YZero;
              $Points [] = $LastY;
            }
            $Points [] = $LastX;
            $Points [] = $LastY;
            $Points [] = $LastX;
            $Points [] = $Y;
            $Points [] = $X;
            $Points [] = $Y;
          }

          if ($X != VOID) {
            $LastGoodY = $Y;
            $LastGoodX = $X;
          }
          if ($X == VOID) {
            $X = NULL;
          }

          if ($LastX == NULL && $ReCenter) {
            $Y = $Y - $YStep / 2;
          }
          $LastX = $X;
          $LastY = $Y;
          if ($LastY < $this->GraphAreaY1 + $XMargin) {
            $LastY = $this->GraphAreaY1 + $XMargin;
          }
          $Y = $Y + $YStep;
        }

        if ($ReCenter) 
         {
          $Points [] = $LastX;
          $Points [] = $LastY + $YStep / 2;
          $Points [] = $YZero;
          $Points [] = $LastY + $YStep / 2;
        }
        else 
         {
          $Points [] = $YZero;
          $Points [] = $LastY;
        }

        $this->drawPolygon($Points, $Color);
      }
    }
  }
}