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Home » API reference » Visitors 7 » pIndicator.class.php » pIndicator

function pIndicator::draw in Visitors 7

Same name and namespace in other branches
  1. 7.2 pChart/class/pIndicator.class.php \pIndicator::draw()

File

pChart/class/pIndicator.class.php, line 37

Class

pIndicator

Code

function draw($X, $Y, $Width, $Height, $Format = "") {
  $Values = isset($Format["Values"]) ? $Format["Values"] : VOID;
  $IndicatorSections = isset($Format["IndicatorSections"]) ? $Format["IndicatorSections"] : NULL;
  $ValueDisplay = isset($Format["ValueDisplay"]) ? $Format["ValueDisplay"] : INDICATOR_VALUE_BUBBLE;
  $SectionsMargin = isset($Format["SectionsMargin"]) ? $Format["SectionsMargin"] : 4;
  $DrawLeftHead = isset($Format["DrawLeftHead"]) ? $Format["DrawLeftHead"] : TRUE;
  $DrawRightHead = isset($Format["DrawRightHead"]) ? $Format["DrawRightHead"] : TRUE;
  $HeadSize = isset($Format["HeadSize"]) ? $Format["HeadSize"] : floor($Height / 4);
  $TextPadding = isset($Format["TextPadding"]) ? $Format["TextPadding"] : 4;
  $CaptionLayout = isset($Format["CaptionLayout"]) ? $Format["CaptionLayout"] : INDICATOR_CAPTION_EXTENDED;
  $CaptionPosition = isset($Format["CaptionPosition"]) ? $Format["CaptionPosition"] : INDICATOR_CAPTION_INSIDE;
  $CaptionColorFactor = isset($Format["CaptionColorFactor"]) ? $Format["CaptionColorFactor"] : NULL;
  $CaptionR = isset($Format["CaptionR"]) ? $Format["CaptionR"] : 255;
  $CaptionG = isset($Format["CaptionG"]) ? $Format["CaptionG"] : 255;
  $CaptionB = isset($Format["CaptionB"]) ? $Format["CaptionB"] : 255;
  $CaptionAlpha = isset($Format["CaptionAlpha"]) ? $Format["CaptionAlpha"] : 100;
  $SubCaptionColorFactor = isset($Format["SubCaptionColorFactor"]) ? $Format["SubCaptionColorFactor"] : NULL;
  $SubCaptionR = isset($Format["SubCaptionR"]) ? $Format["SubCaptionR"] : 50;
  $SubCaptionG = isset($Format["SubCaptionG"]) ? $Format["SubCaptionG"] : 50;
  $SubCaptionB = isset($Format["SubCaptionB"]) ? $Format["SubCaptionB"] : 50;
  $SubCaptionAlpha = isset($Format["SubCaptionAlpha"]) ? $Format["SubCaptionAlpha"] : 100;
  $ValueFontName = isset($Format["ValueFontName"]) ? $Format["ValueFontName"] : $this->pChartObject->FontName;
  $ValueFontSize = isset($Format["ValueFontSize"]) ? $Format["ValueFontSize"] : $this->pChartObject->FontSize;
  $CaptionFontName = isset($Format["CaptionFontName"]) ? $Format["CaptionFontName"] : $this->pChartObject->FontName;
  $CaptionFontSize = isset($Format["CaptionFontSize"]) ? $Format["CaptionFontSize"] : $this->pChartObject->FontSize;
  $Unit = isset($Format["Unit"]) ? $Format["Unit"] : "";

  /* Convert the Values to display to an array if needed */
  if (!is_array($Values)) {
    $Value = $Values;
    $Values = "";
    $Values[] = $Value;
  }

  /* No section, let's die */
  if ($IndicatorSections == NULL) {
    return 0;
  }

  /* Determine indicator visual configuration */
  $OverallMin = $IndicatorSections[0]["End"];
  $OverallMax = $IndicatorSections[0]["Start"];
  foreach ($IndicatorSections as $Key => $Settings) {
    if ($Settings["End"] > $OverallMax) {
      $OverallMax = $Settings["End"];
    }
    if ($Settings["Start"] < $OverallMin) {
      $OverallMin = $Settings["Start"];
    }
  }
  $RealWidth = $Width - (count($IndicatorSections) - 1) * $SectionsMargin;
  $XScale = $RealWidth / ($OverallMax - $OverallMin);
  $X1 = $X;
  $ValuesPos = "";
  foreach ($IndicatorSections as $Key => $Settings) {
    $Color = array(
      "R" => $Settings["R"],
      "G" => $Settings["G"],
      "B" => $Settings["B"],
    );
    $Caption = $Settings["Caption"];
    $SubCaption = $Settings["Start"] . " - " . $Settings["End"];
    $X2 = $X1 + ($Settings["End"] - $Settings["Start"]) * $XScale;
    if ($Key == 0 && $DrawLeftHead) {
      $Poly = "";
      $Poly[] = $X1 - 1;
      $Poly[] = $Y;
      $Poly[] = $X1 - 1;
      $Poly[] = $Y + $Height;
      $Poly[] = $X1 - 1 - $HeadSize;
      $Poly[] = $Y + $Height / 2;
      $this->pChartObject
        ->drawPolygon($Poly, $Color);
      $this->pChartObject
        ->drawLine($X1 - 2, $Y, $X1 - 2 - $HeadSize, $Y + $Height / 2, $Color);
      $this->pChartObject
        ->drawLine($X1 - 2, $Y + $Height, $X1 - 2 - $HeadSize, $Y + $Height / 2, $Color);
    }

    /* Determine the position of the breaks */
    $Break = "";
    foreach ($Values as $iKey => $Value) {
      if ($Value >= $Settings["Start"] && $Value <= $Settings["End"]) {
        $XBreak = $X1 + ($Value - $Settings["Start"]) * $XScale;
        $ValuesPos[$Value] = $XBreak;
        $Break[] = floor($XBreak);
      }
    }
    if ($ValueDisplay == INDICATOR_VALUE_LABEL) {
      if ($Break == "") {
        $this->pChartObject
          ->drawFilledRectangle($X1, $Y, $X2, $Y + $Height, $Color);
      }
      else {
        sort($Break);
        $Poly = "";
        $Poly[] = $X1;
        $Poly[] = $Y;
        $LastPointWritten = FALSE;
        foreach ($Break as $iKey => $Value) {
          if ($Value - 5 >= $X1) {
            $Poly[] = $Value - 5;
            $Poly[] = $Y;
          }
          elseif ($X1 - ($Value - 5) > 0) {
            $Offset = $X1 - ($Value - 5);
            $Poly = "";
            $Poly[] = $X1;
            $Poly[] = $Y + $Offset;
          }
          $Poly[] = $Value;
          $Poly[] = $Y + 5;
          if ($Value + 5 <= $X2) {
            $Poly[] = $Value + 5;
            $Poly[] = $Y;
          }
          elseif ($Value + 5 > $X2) {
            $Offset = $Value + 5 - $X2;
            $Poly[] = $X2;
            $Poly[] = $Y + $Offset;
            $LastPointWritten = TRUE;
          }
        }
        if (!$LastPointWritten) {
          $Poly[] = $X2;
          $Poly[] = $Y;
        }
        $Poly[] = $X2;
        $Poly[] = $Y + $Height;
        $Poly[] = $X1;
        $Poly[] = $Y + $Height;
        $this->pChartObject
          ->drawPolygon($Poly, $Color);
      }
    }
    else {
      $this->pChartObject
        ->drawFilledRectangle($X1, $Y, $X2, $Y + $Height, $Color);
    }
    if ($Key == count($IndicatorSections) - 1 && $DrawRightHead) {
      $Poly = "";
      $Poly[] = $X2 + 1;
      $Poly[] = $Y;
      $Poly[] = $X2 + 1;
      $Poly[] = $Y + $Height;
      $Poly[] = $X2 + 1 + $HeadSize;
      $Poly[] = $Y + $Height / 2;
      $this->pChartObject
        ->drawPolygon($Poly, $Color);
      $this->pChartObject
        ->drawLine($X2 + 1, $Y, $X2 + 1 + $HeadSize, $Y + $Height / 2, $Color);
      $this->pChartObject
        ->drawLine($X2 + 1, $Y + $Height, $X2 + 1 + $HeadSize, $Y + $Height / 2, $Color);
    }
    if ($CaptionPosition == INDICATOR_CAPTION_INSIDE) {
      $TxtPos = $this->pChartObject
        ->getTextBox($X1, $Y + $Height + $TextPadding, $CaptionFontName, $CaptionFontSize, 0, $Caption);
      $YOffset = $TxtPos[0]["Y"] - $TxtPos[2]["Y"] + $TextPadding;
      if ($CaptionLayout == INDICATOR_CAPTION_EXTENDED) {
        $TxtPos = $this->pChartObject
          ->getTextBox($X1, $Y + $Height + $TextPadding, $CaptionFontName, $CaptionFontSize, 0, $SubCaption);
        $YOffset = $YOffset + ($TxtPos[0]["Y"] - $TxtPos[2]["Y"]) + $TextPadding * 2;
      }
      $XOffset = $TextPadding;
    }
    else {
      $YOffset = 0;
      $XOffset = 0;
    }
    if ($CaptionColorFactor == NULL) {
      $CaptionColor = array(
        "Align" => TEXT_ALIGN_TOPLEFT,
        "FontName" => $CaptionFontName,
        "FontSize" => $CaptionFontSize,
        "R" => $CaptionR,
        "G" => $CaptionG,
        "B" => $CaptionB,
        "Alpha" => $CaptionAlpha,
      );
    }
    else {
      $CaptionColor = array(
        "Align" => TEXT_ALIGN_TOPLEFT,
        "FontName" => $CaptionFontName,
        "FontSize" => $CaptionFontSize,
        "R" => $Settings["R"] + $CaptionColorFactor,
        "G" => $Settings["G"] + $CaptionColorFactor,
        "B" => $Settings["B"] + $CaptionColorFactor,
      );
    }
    if ($SubCaptionColorFactor == NULL) {
      $SubCaptionColor = array(
        "Align" => TEXT_ALIGN_TOPLEFT,
        "FontName" => $CaptionFontName,
        "FontSize" => $CaptionFontSize,
        "R" => $SubCaptionR,
        "G" => $SubCaptionG,
        "B" => $SubCaptionB,
        "Alpha" => $SubCaptionAlpha,
      );
    }
    else {
      $SubCaptionColor = array(
        "Align" => TEXT_ALIGN_TOPLEFT,
        "FontName" => $CaptionFontName,
        "FontSize" => $CaptionFontSize,
        "R" => $Settings["R"] + $SubCaptionColorFactor,
        "G" => $Settings["G"] + $SubCaptionColorFactor,
        "B" => $Settings["B"] + $SubCaptionColorFactor,
      );
    }
    $RestoreShadow = $this->pChartObject->Shadow;
    $this->pChartObject->Shadow = FALSE;
    if ($CaptionLayout == INDICATOR_CAPTION_DEFAULT) {
      $this->pChartObject
        ->drawText($X1, $Y + $Height + $TextPadding, $Caption, $CaptionColor);
    }
    elseif ($CaptionLayout == INDICATOR_CAPTION_EXTENDED) {
      $TxtPos = $this->pChartObject
        ->getTextBox($X1, $Y + $Height + $TextPadding, $CaptionFontName, $CaptionFontSize, 0, $Caption);
      $CaptionHeight = $TxtPos[0]["Y"] - $TxtPos[2]["Y"];
      $this->pChartObject
        ->drawText($X1 + $XOffset, $Y + $Height - $YOffset + $TextPadding, $Caption, $CaptionColor);
      $this->pChartObject
        ->drawText($X1 + $XOffset, $Y + $Height - $YOffset + $CaptionHeight + $TextPadding * 2, $SubCaption, $SubCaptionColor);
    }
    $this->pChartObject->Shadow = $RestoreShadow;
    $X1 = $X2 + $SectionsMargin;
  }
  $RestoreShadow = $this->pChartObject->Shadow;
  $this->pChartObject->Shadow = FALSE;
  foreach ($Values as $Key => $Value) {
    if ($Value >= $OverallMin && $Value <= $OverallMax) {
      foreach ($IndicatorSections as $Key => $Settings) {
        if ($Value >= $Settings["Start"] && $Value <= $Settings["End"]) {
          $X1 = $ValuesPos[$Value];

          //$X + $Key*$SectionsMargin + ($Value - $OverallMin) * $XScale;
          if ($ValueDisplay == INDICATOR_VALUE_BUBBLE) {
            $TxtPos = $this->pChartObject
              ->getTextBox($X1, $Y, $ValueFontName, $ValueFontSize, 0, $Value . $Unit);
            $Radius = floor(($TxtPos[1]["X"] - $TxtPos[0]["X"] + $TextPadding * 4) / 2);
            $this->pChartObject
              ->drawFilledCircle($X1, $Y, $Radius + 4, array(
              "R" => $Settings["R"] + 20,
              "G" => $Settings["G"] + 20,
              "B" => $Settings["B"] + 20,
            ));
            $this->pChartObject
              ->drawFilledCircle($X1, $Y, $Radius, array(
              "R" => 255,
              "G" => 255,
              "B" => 255,
            ));
            $TextSettings = array(
              "Align" => TEXT_ALIGN_MIDDLEMIDDLE,
              "FontName" => $ValueFontName,
              "FontSize" => $ValueFontSize,
            );
            $this->pChartObject
              ->drawText($X1 - 1, $Y - 1, $Value . $Unit, $TextSettings);
          }
          elseif ($ValueDisplay == INDICATOR_VALUE_LABEL) {
            $Caption = "";
            $Caption[] = array(
              "Format" => array(
                "R" => $Settings["R"],
                "G" => $Settings["G"],
                "B" => $Settings["B"],
                "Alpha" => 100,
              ),
              "Caption" => $Value . $Unit,
            );
            $this->pChartObject
              ->drawLabelBox(floor($X1), floor($Y) + 2, "Value - " . $Settings["Caption"], $Caption);
          }
        }
        $X1 = $X2 + $SectionsMargin;
      }
    }
  }
  $this->pChartObject->Shadow = $RestoreShadow;
}