You are here

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

function pDraw::drawLegend in Visitors 7

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

File

pChart/class/pDraw.class.php, line 1589

Class

pDraw

Code

function drawLegend($X, $Y, $Format = "") {
  $Family = isset($Format["Family"]) ? $Format["Family"] : LEGEND_FAMILY_BOX;
  $FontName = isset($Format["FontName"]) ? $Format["FontName"] : $this->FontName;
  $FontSize = isset($Format["FontSize"]) ? $Format["FontSize"] : $this->FontSize;
  $FontR = isset($Format["FontR"]) ? $Format["FontR"] : $this->FontColorR;
  $FontG = isset($Format["FontG"]) ? $Format["FontG"] : $this->FontColorG;
  $FontB = isset($Format["FontB"]) ? $Format["FontB"] : $this->FontColorB;
  $BoxWidth = isset($Format["BoxWidth"]) ? $Format["BoxWidth"] : 5;
  $BoxHeight = isset($Format["BoxHeight"]) ? $Format["BoxHeight"] : 5;
  $IconAreaWidth = isset($Format["IconAreaWidth"]) ? $Format["IconAreaWidth"] : $BoxWidth;
  $IconAreaHeight = isset($Format["IconAreaHeight"]) ? $Format["IconAreaHeight"] : $BoxHeight;
  $XSpacing = isset($Format["XSpacing"]) ? $Format["XSpacing"] : 5;
  $Margin = isset($Format["Margin"]) ? $Format["Margin"] : 5;
  $R = isset($Format["R"]) ? $Format["R"] : 200;
  $G = isset($Format["G"]) ? $Format["G"] : 200;
  $B = isset($Format["B"]) ? $Format["B"] : 200;
  $Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
  $BorderR = isset($Format["BorderR"]) ? $Format["BorderR"] : 255;
  $BorderG = isset($Format["BorderG"]) ? $Format["BorderG"] : 255;
  $BorderB = isset($Format["BorderB"]) ? $Format["BorderB"] : 255;
  $Surrounding = isset($Format["Surrounding"]) ? $Format["Surrounding"] : NULL;
  $Style = isset($Format["Style"]) ? $Format["Style"] : LEGEND_ROUND;
  $Mode = isset($Format["Mode"]) ? $Format["Mode"] : LEGEND_VERTICAL;
  if ($Surrounding != NULL) {
    $BorderR = $R + $Surrounding;
    $BorderG = $G + $Surrounding;
    $BorderB = $B + $Surrounding;
  }
  $Data = $this->DataSet
    ->getData();
  foreach ($Data["Series"] as $SerieName => $Serie) {
    if ($Serie["isDrawable"] == TRUE && $SerieName != $Data["Abscissa"] && isset($Serie["Picture"])) {
      list($PicWidth, $PicHeight) = $this
        ->getPicInfo($Serie["Picture"]);
      if ($IconAreaWidth < $PicWidth) {
        $IconAreaWidth = $PicWidth;
      }
      if ($IconAreaHeight < $PicHeight) {
        $IconAreaHeight = $PicHeight;
      }
    }
  }
  $YStep = max($this->FontSize, $IconAreaHeight) + 5;
  $XStep = $IconAreaWidth + 5;
  $XStep = $XSpacing;
  $Boundaries = "";
  $Boundaries["L"] = $X;
  $Boundaries["T"] = $Y;
  $Boundaries["R"] = 0;
  $Boundaries["B"] = 0;
  $vY = $Y;
  $vX = $X;
  foreach ($Data["Series"] as $SerieName => $Serie) {
    if ($Serie["isDrawable"] == TRUE && $SerieName != $Data["Abscissa"]) {
      if ($Mode == LEGEND_VERTICAL) {
        $BoxArray = $this
          ->getTextBox($vX + $IconAreaWidth + 4, $vY + $IconAreaHeight / 2, $FontName, $FontSize, 0, $Serie["Description"]);
        if ($Boundaries["T"] > $BoxArray[2]["Y"] + $IconAreaHeight / 2) {
          $Boundaries["T"] = $BoxArray[2]["Y"] + $IconAreaHeight / 2;
        }
        if ($Boundaries["R"] < $BoxArray[1]["X"] + 2) {
          $Boundaries["R"] = $BoxArray[1]["X"] + 2;
        }
        if ($Boundaries["B"] < $BoxArray[1]["Y"] + 2 + $IconAreaHeight / 2) {
          $Boundaries["B"] = $BoxArray[1]["Y"] + 2 + $IconAreaHeight / 2;
        }
        $Lines = preg_split("/\n/", $Serie["Description"]);
        $vY = $vY + max($this->FontSize * count($Lines), $IconAreaHeight) + 5;
      }
      elseif ($Mode == LEGEND_HORIZONTAL) {
        $Lines = preg_split("/\n/", $Serie["Description"]);
        $Width = "";
        foreach ($Lines as $Key => $Value) {
          $BoxArray = $this
            ->getTextBox($vX + $IconAreaWidth + 6, $Y + $IconAreaHeight / 2 + ($this->FontSize + 3) * $Key, $FontName, $FontSize, 0, $Value);
          if ($Boundaries["T"] > $BoxArray[2]["Y"] + $IconAreaHeight / 2) {
            $Boundaries["T"] = $BoxArray[2]["Y"] + $IconAreaHeight / 2;
          }
          if ($Boundaries["R"] < $BoxArray[1]["X"] + 2) {
            $Boundaries["R"] = $BoxArray[1]["X"] + 2;
          }
          if ($Boundaries["B"] < $BoxArray[1]["Y"] + 2 + $IconAreaHeight / 2) {
            $Boundaries["B"] = $BoxArray[1]["Y"] + 2 + $IconAreaHeight / 2;
          }
          $Width[] = $BoxArray[1]["X"];
        }
        $vX = max($Width) + $XStep;
      }
    }
  }
  $vY = $vY - $YStep;
  $vX = $vX - $XStep;
  $TopOffset = $Y - $Boundaries["T"];
  if ($Boundaries["B"] - ($vY + $IconAreaHeight) < $TopOffset) {
    $Boundaries["B"] = $vY + $IconAreaHeight + $TopOffset;
  }
  if ($Style == LEGEND_ROUND) {
    $this
      ->drawRoundedFilledRectangle($Boundaries["L"] - $Margin, $Boundaries["T"] - $Margin, $Boundaries["R"] + $Margin, $Boundaries["B"] + $Margin, $Margin, array(
      "R" => $R,
      "G" => $G,
      "B" => $B,
      "Alpha" => $Alpha,
      "BorderR" => $BorderR,
      "BorderG" => $BorderG,
      "BorderB" => $BorderB,
    ));
  }
  elseif ($Style == LEGEND_BOX) {
    $this
      ->drawFilledRectangle($Boundaries["L"] - $Margin, $Boundaries["T"] - $Margin, $Boundaries["R"] + $Margin, $Boundaries["B"] + $Margin, array(
      "R" => $R,
      "G" => $G,
      "B" => $B,
      "Alpha" => $Alpha,
      "BorderR" => $BorderR,
      "BorderG" => $BorderG,
      "BorderB" => $BorderB,
    ));
  }
  $RestoreShadow = $this->Shadow;
  $this->Shadow = FALSE;
  foreach ($Data["Series"] as $SerieName => $Serie) {
    if ($Serie["isDrawable"] == TRUE && $SerieName != $Data["Abscissa"]) {
      $R = $Serie["Color"]["R"];
      $G = $Serie["Color"]["G"];
      $B = $Serie["Color"]["B"];
      $Ticks = $Serie["Ticks"];
      $Weight = $Serie["Weight"];
      if (isset($Serie["Picture"])) {
        $Picture = $Serie["Picture"];
        list($PicWidth, $PicHeight) = $this
          ->getPicInfo($Picture);
        $PicX = $X + $IconAreaWidth / 2;
        $PicY = $Y + $IconAreaHeight / 2;
        $this
          ->drawFromPNG($PicX - $PicWidth / 2, $PicY - $PicHeight / 2, $Picture);
      }
      else {
        if ($Family == LEGEND_FAMILY_BOX) {
          if ($BoxWidth != $IconAreaWidth) {
            $XOffset = floor(($IconAreaWidth - $BoxWidth) / 2);
          }
          else {
            $XOffset = 0;
          }
          if ($BoxHeight != $IconAreaHeight) {
            $YOffset = floor(($IconAreaHeight - $BoxHeight) / 2);
          }
          else {
            $YOffset = 0;
          }
          $this
            ->drawFilledRectangle($X + 1 + $XOffset, $Y + 1 + $YOffset, $X + $BoxWidth + $XOffset + 1, $Y + $BoxHeight + 1 + $YOffset, array(
            "R" => 0,
            "G" => 0,
            "B" => 0,
            "Alpha" => 20,
          ));
          $this
            ->drawFilledRectangle($X + $XOffset, $Y + $YOffset, $X + $BoxWidth + $XOffset, $Y + $BoxHeight + $YOffset, array(
            "R" => $R,
            "G" => $G,
            "B" => $B,
            "Surrounding" => 20,
          ));
        }
        elseif ($Family == LEGEND_FAMILY_CIRCLE) {
          $this
            ->drawFilledCircle($X + 1 + $IconAreaWidth / 2, $Y + 1 + $IconAreaHeight / 2, min($IconAreaHeight / 2, $IconAreaWidth / 2), array(
            "R" => 0,
            "G" => 0,
            "B" => 0,
            "Alpha" => 20,
          ));
          $this
            ->drawFilledCircle($X + $IconAreaWidth / 2, $Y + $IconAreaHeight / 2, min($IconAreaHeight / 2, $IconAreaWidth / 2), array(
            "R" => $R,
            "G" => $G,
            "B" => $B,
            "Surrounding" => 20,
          ));
        }
        elseif ($Family == LEGEND_FAMILY_LINE) {
          $this
            ->drawLine($X + 1, $Y + 1 + $IconAreaHeight / 2, $X + 1 + $IconAreaWidth, $Y + 1 + $IconAreaHeight / 2, array(
            "R" => 0,
            "G" => 0,
            "B" => 0,
            "Alpha" => 20,
            "Ticks" => $Ticks,
            "Weight" => $Weight,
          ));
          $this
            ->drawLine($X, $Y + $IconAreaHeight / 2, $X + $IconAreaWidth, $Y + $IconAreaHeight / 2, array(
            "R" => $R,
            "G" => $G,
            "B" => $B,
            "Ticks" => $Ticks,
            "Weight" => $Weight,
          ));
        }
      }
      if ($Mode == LEGEND_VERTICAL) {
        $Lines = preg_split("/\n/", $Serie["Description"]);
        foreach ($Lines as $Key => $Value) {
          $this
            ->drawText($X + $IconAreaWidth + 4, $Y + $IconAreaHeight / 2 + ($this->FontSize + 3) * $Key, $Value, array(
            "R" => $FontR,
            "G" => $FontG,
            "B" => $FontB,
            "Align" => TEXT_ALIGN_MIDDLELEFT,
            "FontSize" => $FontSize,
            "FontName" => $FontName,
          ));
        }
        $Y = $Y + max($this->FontSize * count($Lines), $IconAreaHeight) + 5;
      }
      elseif ($Mode == LEGEND_HORIZONTAL) {
        $Lines = preg_split("/\n/", $Serie["Description"]);
        $Width = "";
        foreach ($Lines as $Key => $Value) {
          $BoxArray = $this
            ->drawText($X + $IconAreaWidth + 4, $Y + $IconAreaHeight / 2 + ($this->FontSize + 3) * $Key, $Value, array(
            "R" => $FontR,
            "G" => $FontG,
            "B" => $FontB,
            "Align" => TEXT_ALIGN_MIDDLELEFT,
            "FontSize" => $FontSize,
            "FontName" => $FontName,
          ));
          $Width[] = $BoxArray[1]["X"];
        }
        $X = max($Width) + 2 + $XStep;
      }
    }
  }
  $this->Shadow = $RestoreShadow;
}