File

inc/pchart/pchart/class/pDraw.class.php, line 3925

Class

pDraw

Code

function drawStepChart($Format = NULL) 
 {
  $BreakVoid = isset($Format ["BreakVoid"]) ? $Format ["BreakVoid"] : FALSE;
  $ReCenter = isset($Format ["ReCenter"]) ? $Format ["ReCenter"] : TRUE;
  $VoidTicks = isset($Format ["VoidTicks"]) ? $Format ["VoidTicks"] : 4;
  $BreakR = isset($Format ["BreakR"]) ? $Format ["BreakR"] : NULL;
  $BreakG = isset($Format ["BreakG"]) ? $Format ["BreakG"] : NULL;
  $BreakB = isset($Format ["BreakB"]) ? $Format ["BreakB"] : NULL;
  $DisplayValues = isset($Format ["DisplayValues"]) ? $Format ["DisplayValues"] : FALSE;
  $DisplayOffset = isset($Format ["DisplayOffset"]) ? $Format ["DisplayOffset"] : 2;
  $DisplayColor = isset($Format ["DisplayColor"]) ? $Format ["DisplayColor"] : DISPLAY_MANUAL;
  $DisplayR = isset($Format ["DisplayR"]) ? $Format ["DisplayR"] : 0;
  $DisplayG = isset($Format ["DisplayG"]) ? $Format ["DisplayG"] : 0;
  $DisplayB = isset($Format ["DisplayB"]) ? $Format ["DisplayB"] : 0;
  $RecordImageMap = isset($Format ["RecordImageMap"]) ? $Format ["RecordImageMap"] : FALSE;
  $ImageMapPlotSize = isset($Format ["ImageMapPlotSize"]) ? $Format ["ImageMapPlotSize"] : 5;

  $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 (isset($Serie ["Description"])) {
        $SerieDescription = $Serie ["Description"];
      }
      else {
        $SerieDescription = $SerieName;
      }

      if ($BreakR == NULL) {
        $BreakSettings = array("R" => $R, "G" => $G, "B" => $B, "Alpha" => $Alpha, "Ticks" => $VoidTicks, "Weight" => $Weight);
      }
      else {
        $BreakSettings = array("R" => $BreakR, "G" => $BreakG, "B" => $BreakB, "Alpha" => $Alpha, "Ticks" => $VoidTicks, "Weight" => $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, "Alpha" => $Alpha, "Ticks" => $Ticks, "Weight" => $Weight);

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

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

      if ($Data ["Orientation"] == SCALE_POS_LEFTRIGHT) 
       {
        if ($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 (!is_array($PosArray)) {
          $Value = $PosArray;
          $PosArray = "";
          $PosArray [0] = $Value;
        }
        $LastGoodY = NULL;
        $LastGoodX = NULL;
        $Init = FALSE;
        foreach ($PosArray as $Key => $Y) 
         {
          if ($DisplayValues && $Serie ["Data"][$Key] != VOID) 
           {
            if ($Y <= $LastY) {
              $Align = TEXT_ALIGN_BOTTOMMIDDLE;
              $Offset = $DisplayOffset;
            }
            else {
              $Align = TEXT_ALIGN_TOPMIDDLE;
              $Offset = -$DisplayOffset;
            }
            $this->drawText($X, $Y -$Offset -$Weight, $this->scaleFormat($Serie ["Data"][$Key], $Mode, $Format, $Unit), array("R" => $DisplayR, "G" => $DisplayG, "B" => $DisplayB, "Align" => $Align));
          }

          if ($Y != VOID && $LastX != NULL && $LastY != NULL) 
           {
            $this->drawLine($LastX, $LastY, $X, $LastY, $Color);
            $this->drawLine($X, $LastY, $X, $Y, $Color);
            if ($ReCenter && $X + $XStep < $this->GraphAreaX2 - $XMargin) 
             {
              $this->drawLine($X, $Y, $X + $XStep, $Y, $Color);
              if ($RecordImageMap) {
                $this->addToImageMap("RECT", floor($X -$ImageMapPlotSize) . "," . floor($Y -$ImageMapPlotSize) . "," . floor($X + $XStep + $ImageMapPlotSize) . "," . floor($Y + $ImageMapPlotSize), $this->toHTMLColor($R, $G, $B), $SerieDescription, $this->scaleFormat($Serie ["Data"][$Key], $Mode, $Format, $Unit));
              }
            }
            else 
             {
              if ($RecordImageMap) {
                $this->addToImageMap("RECT", floor($LastX -$ImageMapPlotSize) . "," . floor($LastY -$ImageMapPlotSize) . "," . floor($X + $ImageMapPlotSize) . "," . floor($LastY + $ImageMapPlotSize), $this->toHTMLColor($R, $G, $B), $SerieDescription, $this->scaleFormat($Serie ["Data"][$Key], $Mode, $Format, $Unit));
              }
            }
          }

          if ($Y != VOID && $LastY == NULL && $LastGoodY != NULL && !$BreakVoid) 
           {
            if ($ReCenter) 
             {
              $this->drawLine($LastGoodX + $XStep, $LastGoodY, $X, $LastGoodY, $BreakSettings);
              if ($RecordImageMap) {
                $this->addToImageMap("RECT", floor($LastGoodX + $XStep -$ImageMapPlotSize) . "," . floor($LastGoodY -$ImageMapPlotSize) . "," . floor($X + $ImageMapPlotSize) . "," . floor($LastGoodY + $ImageMapPlotSize), $this->toHTMLColor($R, $G, $B), $SerieDescription, $this->scaleFormat($Serie ["Data"][$Key], $Mode, $Format, $Unit));
              }
            }
            else 
             {
              $this->drawLine($LastGoodX, $LastGoodY, $X, $LastGoodY, $BreakSettings);
              if ($RecordImageMap) {
                $this->addToImageMap("RECT", floor($LastGoodX -$ImageMapPlotSize) . "," . floor($LastGoodY -$ImageMapPlotSize) . "," . floor($X + $ImageMapPlotSize) . "," . floor($LastGoodY + $ImageMapPlotSize), $this->toHTMLColor($R, $G, $B), $SerieDescription, $this->scaleFormat($Serie ["Data"][$Key], $Mode, $Format, $Unit));
              }
            }

            $this->drawLine($X, $LastGoodY, $X, $Y, $BreakSettings);
            $LastGoodY = NULL;
          }
          elseif (!$BreakVoid && $LastGoodY == NULL && $Y != VOID) 
           {
            $this->drawLine($this->GraphAreaX1 + $XMargin, $Y, $X, $Y, $BreakSettings);
            if ($RecordImageMap) {
              $this->addToImageMap("RECT", floor($this->GraphAreaX1 + $XMargin -$ImageMapPlotSize) . "," . floor($Y -$ImageMapPlotSize) . "," . floor($X + $ImageMapPlotSize) . "," . floor($Y + $ImageMapPlotSize), $this->toHTMLColor($R, $G, $B), $SerieDescription, $this->scaleFormat($Serie ["Data"][$Key], $Mode, $Format, $Unit));
            }
          }

          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) 
         {
          $this->drawLine($LastX, $LastY, $this->GraphAreaX2 - $XMargin, $LastY, $Color);
          if ($RecordImageMap) {
            $this->addToImageMap("RECT", floor($LastX -$ImageMapPlotSize) . "," . floor($LastY -$ImageMapPlotSize) . "," . floor($this->GraphAreaX2 -$XMargin + $ImageMapPlotSize) . "," . floor($LastY + $ImageMapPlotSize), $this->toHTMLColor($R, $G, $B), $SerieDescription, $this->scaleFormat($Serie ["Data"][$Key], $Mode, $Format, $Unit));
          }
        }
      }
      else 
       {
        if ($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;
        $Init = FALSE;
        foreach ($PosArray as $Key => $X) 
         {
          if ($DisplayValues && $Serie ["Data"][$Key] != VOID) 
           {
            if ($X >= $LastX) {
              $Align = TEXT_ALIGN_MIDDLELEFT;
              $Offset = $DisplayOffset;
            }
            else {
              $Align = TEXT_ALIGN_MIDDLERIGHT;
              $Offset = -$DisplayOffset;
            }
            $this->drawText($X + $Offset + $Weight, $Y, $this->scaleFormat($Serie ["Data"][$Key], $Mode, $Format, $Unit), array("R" => $DisplayR, "G" => $DisplayG, "B" => $DisplayB, "Align" => $Align));
          }

          if ($X != VOID && $LastX != NULL && $LastY != NULL) 
           {
            $this->drawLine($LastX, $LastY, $LastX, $Y, $Color);
            $this->drawLine($LastX, $Y, $X, $Y, $Color);

            if ($RecordImageMap) {
              $this->addToImageMap("RECT", floor($LastX -$ImageMapPlotSize) . "," . floor($LastY -$ImageMapPlotSize) . "," . floor($LastX + $XStep + $ImageMapPlotSize) . "," . floor($Y + $ImageMapPlotSize), $this->toHTMLColor($R, $G, $B), $SerieDescription, $this->scaleFormat($Serie ["Data"][$Key], $Mode, $Format, $Unit));
            }
          }

          if ($X != VOID && $LastX == NULL && $LastGoodY != NULL && !$BreakVoid) 
           {
            $this->drawLine($LastGoodX, $LastGoodY, $LastGoodX, $LastGoodY + $YStep, $Color);
            if ($RecordImageMap) {
              $this->addToImageMap("RECT", floor($LastGoodX -$ImageMapPlotSize) . "," . floor($LastGoodY -$ImageMapPlotSize) . "," . floor($LastGoodX + $ImageMapPlotSize) . "," . floor($LastGoodY + $YStep + $ImageMapPlotSize), $this->toHTMLColor($R, $G, $B), $SerieDescription, $this->scaleFormat($Serie ["Data"][$Key], $Mode, $Format, $Unit));
            }

            $this->drawLine($LastGoodX, $LastGoodY + $YStep, $LastGoodX, $Y, $BreakSettings);
            if ($RecordImageMap) {
              $this->addToImageMap("RECT", floor($LastGoodX -$ImageMapPlotSize) . "," . floor($LastGoodY + $YStep -$ImageMapPlotSize) . "," . floor($LastGoodX + $ImageMapPlotSize) . "," . floor($YStep + $ImageMapPlotSize), $this->toHTMLColor($R, $G, $B), $SerieDescription, $this->scaleFormat($Serie ["Data"][$Key], $Mode, $Format, $Unit));
            }

            $this->drawLine($LastGoodX, $Y, $X, $Y, $BreakSettings);
            $LastGoodY = NULL;
          }
          elseif ($X != VOID && $LastGoodY == NULL && !$BreakVoid) 
           {
            $this->drawLine($X, $this->GraphAreaY1 + $XMargin, $X, $Y, $BreakSettings);
            if ($RecordImageMap) {
              $this->addToImageMap("RECT", floor($X -$ImageMapPlotSize) . "," . floor($this->GraphAreaY1 + $XMargin -$ImageMapPlotSize) . "," . floor($X + $ImageMapPlotSize) . "," . floor($Y + $ImageMapPlotSize), $this->toHTMLColor($R, $G, $B), $SerieDescription, $this->scaleFormat($Serie ["Data"][$Key], $Mode, $Format, $Unit));
            }
          }

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

          if (!$Init && $ReCenter) {
            $Y = $Y - $YStep / 2;
            $Init = TRUE;
          }
          $LastX = $X;
          $LastY = $Y;
          if ($LastY < $this->GraphAreaY1 + $XMargin) {
            $LastY = $this->GraphAreaY1 + $XMargin;
          }
          $Y = $Y + $YStep;
        }
        if ($ReCenter) 
         {
          $this->drawLine($LastX, $LastY, $LastX, $this->GraphAreaY2 - $XMargin, $Color);
          if ($RecordImageMap) {
            $this->addToImageMap("RECT", floor($LastX -$ImageMapPlotSize) . "," . floor($LastY -$ImageMapPlotSize) . "," . floor($LastX + $ImageMapPlotSize) . "," . floor($this->GraphAreaY2 -$XMargin + $ImageMapPlotSize), $this->toHTMLColor($R, $G, $B), $SerieDescription, $this->scaleFormat($Serie ["Data"][$Key], $Mode, $Format, $Unit));
          }
        }
      }
    }
  }
}