class pImage extends pDraw
 {
  /* Image settings, size, quality, .. */
  var $XSize = NULL; // Width of the picture
  var $YSize = NULL; // Height of the picture
  var $Picture = NULL; // GD picture object
  var $Antialias = TRUE; // Turn antialias on or off
  var $AntialiasQuality = 0; // Quality of the antialiasing implementation (0-1)
  var $Mask = ""; // Already drawn pixels mask (Filled circle implementation)
  var $TransparentBackground = FALSE; // Just to know if we need to flush the alpha channels when rendering

  /* Graph area settings */
  var $GraphAreaX1 = NULL; // Graph area X origin
  var $GraphAreaY1 = NULL; // Graph area Y origin
  var $GraphAreaX2 = NULL; // Graph area bottom right X position
  var $GraphAreaY2 = NULL; // Graph area bottom right Y position

  /* Scale settings */
  var $ScaleMinDivHeight = 20; // Minimum height for scame divs

  /* Font properties */
  var $FontName = "fonts/GeosansLight.ttf"; // Default font file
  var $FontSize = 12; // Default font size
  var $FontBox = NULL; // Return the bounding box of the last written string
  var $FontColorR = 0; // Default color settings
  var $FontColorG = 0; // Default color settings
  var $FontColorB = 0; // Default color settings
  var $FontColorA = 100; // Default transparency

  /* Shadow properties */
  var $Shadow = FALSE; // Turn shadows on or off
  var $ShadowX = NULL; // X Offset of the shadow
  var $ShadowY = NULL; // Y Offset of the shadow
  var $ShadowR = NULL; // R component of the shadow
  var $ShadowG = NULL; // G component of the shadow
  var $ShadowB = NULL; // B component of the shadow
  var $Shadowa = NULL; // Alpha level of the shadow

  /* Image map */
  var $ImageMap = NULL; // Aray containing the image map
  var $ImageMapIndex = "pChart"; // Name of the session array
  var $ImageMapStorageMode = NULL; // Save the current imagemap storage mode
  var $ImageMapAutoDelete = TRUE; // Automatic deletion of the image map temp files

  /* Data Set */
  var $DataSet = NULL; // Attached dataset

  /* Last generated chart info */
  var $LastChartLayout = CHART_LAST_LAYOUT_REGULAR; // Last layout : regular or stacked

  /* Class constructor */
  function pImage($XSize, $YSize, $DataSet = NULL, $TransparentBackground = FALSE) 
   {
    $this->TransparentBackground = $TransparentBackground;

    if ($DataSet != NULL) {
      $this->DataSet = $DataSet;
    }

    $this->XSize = $XSize;
    $this->YSize = $YSize;
    $this->Picture = imagecreatetruecolor($XSize, $YSize);

    if ($this->TransparentBackground) 
     {
      imagealphablending($this->Picture, FALSE);
      imagefilledrectangle($this->Picture, 0, 0, $XSize, $YSize, imagecolorallocatealpha($this->Picture, 255, 255, 255, 127));
      imagealphablending($this->Picture, TRUE);
      imagesavealpha($this->Picture, true);
    }
    else 
     {
      $C_White = $this->AllocateColor($this->Picture, 255, 255, 255);
      imagefilledrectangle($this->Picture, 0, 0, $XSize, $YSize, $C_White);
    }
  }

  /* Enable / Disable and set shadow properties */
  function setShadow($Enabled = TRUE, $Format = "") 
   {
    $X = isset($Format ["X"]) ? $Format ["X"] : 2;
    $Y = isset($Format ["Y"]) ? $Format ["Y"] : 2;
    $R = isset($Format ["R"]) ? $Format ["R"] : 0;
    $G = isset($Format ["G"]) ? $Format ["G"] : 0;
    $B = isset($Format ["B"]) ? $Format ["B"] : 0;
    $Alpha = isset($Format ["Alpha"]) ? $Format ["Alpha"] : 10;

    $this->Shadow = $Enabled;
    $this->ShadowX = $X;
    $this->ShadowY = $Y;
    $this->ShadowR = $R;
    $this->ShadowG = $G;
    $this->ShadowB = $B;
    $this->Shadowa = $Alpha;
  }

  /* Set the graph area position */
  function setGraphArea($X1, $Y1, $X2, $Y2) 
   {
    if ($X2 < $X1 || $X1 == $X2 || $Y2 < $Y1 || $Y1 == $Y2) {
      return (-1);
    }

    $this->GraphAreaX1 = $X1;
    $this->DataSet->Data ["GraphArea"]["X1"] = $X1;
    $this->GraphAreaY1 = $Y1;
    $this->DataSet->Data ["GraphArea"]["Y1"] = $Y1;
    $this->GraphAreaX2 = $X2;
    $this->DataSet->Data ["GraphArea"]["X2"] = $X2;
    $this->GraphAreaY2 = $Y2;
    $this->DataSet->Data ["GraphArea"]["Y2"] = $Y2;
  }

  /* Return the width of the picture */
  function getWidth() 
   {
    return ($this->XSize);
  }

  /* Return the heigth of the picture */
  function getHeight() 
   {
    return ($this->YSize);
  }

  /* Render the picture to a file */
  function render($FileName) 
   {
    if ($this->TransparentBackground) {
      imagealphablending($this->Picture, false);
      imagesavealpha($this->Picture, true);
    }
    imagepng($this->Picture, $FileName);
  }

  /* Render the picture to a web browser stream */
  function stroke($BrowserExpire = FALSE) 
   {
    if ($this->TransparentBackground) {
      imagealphablending($this->Picture, false);
      imagesavealpha($this->Picture, true);
    }

    if ($BrowserExpire) 
     {
      header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
      header("Cache-Control: no-cache");
      header("Pragma: no-cache");
    }

    header('Content-type: image/png');
    imagepng($this->Picture);
  }

  /* Automatic output method based on the calling interface */
  function autoOutput($FileName = "output.png") 
   {
    if (php_sapi_name() == "cli") {
      $this->Render($FileName);
    }
    else {
      $this->Stroke();
    }
  }

  /* Return the length between two points */
  function getLength($X1, $Y1, $X2, $Y2) 
   {
    return (sqrt(pow(max($X1, $X2) -min($X1, $X2), 2) + pow(max($Y1, $Y2) -min($Y1, $Y2), 2)));
  }

  /* Return the orientation of a line */
  function getAngle($X1, $Y1, $X2, $Y2) 
   {
    $Opposite = $Y2 - $Y1;
    $Adjacent = $X2 - $X1;
    $Angle = rad2deg(atan2($Opposite, $Adjacent));
    if ($Angle > 0) {
      return ($Angle);
    }
    else {
      return (360 -abs($Angle));
    }
  }

  /* Return the surrounding box of text area */
  function getTextBox_deprecated($X, $Y, $FontName, $FontSize, $Angle, $Text) 
   {
    $Size = imagettfbbox($FontSize, $Angle, $FontName, $Text);
    $Width = $this->getLength($Size [0], $Size [1], $Size [2], $Size [3]) + 1;
    $Height = $this->getLength($Size [2], $Size [3], $Size [4], $Size [5]) + 1;

    $RealPos [0]["X"] = $X;
    $RealPos [0]["Y"] = $Y;
    $RealPos [1]["X"] = cos((360 -$Angle) * PI / 180) * $Width + $RealPos [0]["X"];
    $RealPos [1]["Y"] = sin((360 -$Angle) * PI / 180) * $Width + $RealPos [0]["Y"];
    $RealPos [2]["X"] = cos((270 -$Angle) * PI / 180) * $Height + $RealPos [1]["X"];
    $RealPos [2]["Y"] = sin((270 -$Angle) * PI / 180) * $Height + $RealPos [1]["Y"];
    $RealPos [3]["X"] = cos((180 -$Angle) * PI / 180) * $Width + $RealPos [2]["X"];
    $RealPos [3]["Y"] = sin((180 -$Angle) * PI / 180) * $Width + $RealPos [2]["Y"];

    $RealPos [TEXT_ALIGN_BOTTOMLEFT]["X"] = $RealPos [0]["X"];
    $RealPos [TEXT_ALIGN_BOTTOMLEFT]["Y"] = $RealPos [0]["Y"];
    $RealPos [TEXT_ALIGN_BOTTOMRIGHT]["X"] = $RealPos [1]["X"];
    $RealPos [TEXT_ALIGN_BOTTOMRIGHT]["Y"] = $RealPos [1]["Y"];

    return ($RealPos);
  }

  /* Return the surrounding box of text area */
  function getTextBox($X, $Y, $FontName, $FontSize, $Angle, $Text) 
   {
    $coords = imagettfbbox($FontSize, 0, $FontName, $Text);

    $a = deg2rad($Angle);
    $ca = cos($a);
    $sa = sin($a);
    $RealPos = array();
    for ($i = 0; $i < 7; $i += 2) 
     {
      $RealPos [$i / 2]["X"] = $X + round($coords [$i] * $ca + $coords [$i + 1] * $sa);
      $RealPos [$i / 2]["Y"] = $Y + round($coords [$i + 1] * $ca - $coords [$i] * $sa);
    }

    $RealPos [TEXT_ALIGN_BOTTOMLEFT]["X"] = $RealPos [0]["X"];
    $RealPos [TEXT_ALIGN_BOTTOMLEFT]["Y"] = $RealPos [0]["Y"];
    $RealPos [TEXT_ALIGN_BOTTOMRIGHT]["X"] = $RealPos [1]["X"];
    $RealPos [TEXT_ALIGN_BOTTOMRIGHT]["Y"] = $RealPos [1]["Y"];
    $RealPos [TEXT_ALIGN_TOPLEFT]["X"] = $RealPos [3]["X"];
    $RealPos [TEXT_ALIGN_TOPLEFT]["Y"] = $RealPos [3]["Y"];
    $RealPos [TEXT_ALIGN_TOPRIGHT]["X"] = $RealPos [2]["X"];
    $RealPos [TEXT_ALIGN_TOPRIGHT]["Y"] = $RealPos [2]["Y"];
    $RealPos [TEXT_ALIGN_BOTTOMMIDDLE]["X"] = ($RealPos [1]["X"] -$RealPos [0]["X"]) / 2 + $RealPos [0]["X"];
    $RealPos [TEXT_ALIGN_BOTTOMMIDDLE]["Y"] = ($RealPos [0]["Y"] -$RealPos [1]["Y"]) / 2 + $RealPos [1]["Y"];
    $RealPos [TEXT_ALIGN_TOPMIDDLE]["X"] = ($RealPos [2]["X"] -$RealPos [3]["X"]) / 2 + $RealPos [3]["X"];
    $RealPos [TEXT_ALIGN_TOPMIDDLE]["Y"] = ($RealPos [3]["Y"] -$RealPos [2]["Y"]) / 2 + $RealPos [2]["Y"];
    $RealPos [TEXT_ALIGN_MIDDLELEFT]["X"] = ($RealPos [0]["X"] -$RealPos [3]["X"]) / 2 + $RealPos [3]["X"];
    $RealPos [TEXT_ALIGN_MIDDLELEFT]["Y"] = ($RealPos [0]["Y"] -$RealPos [3]["Y"]) / 2 + $RealPos [3]["Y"];
    $RealPos [TEXT_ALIGN_MIDDLERIGHT]["X"] = ($RealPos [1]["X"] -$RealPos [2]["X"]) / 2 + $RealPos [2]["X"];
    $RealPos [TEXT_ALIGN_MIDDLERIGHT]["Y"] = ($RealPos [1]["Y"] -$RealPos [2]["Y"]) / 2 + $RealPos [2]["Y"];
    $RealPos [TEXT_ALIGN_MIDDLEMIDDLE]["X"] = ($RealPos [1]["X"] -$RealPos [3]["X"]) / 2 + $RealPos [3]["X"];
    $RealPos [TEXT_ALIGN_MIDDLEMIDDLE]["Y"] = ($RealPos [0]["Y"] -$RealPos [2]["Y"]) / 2 + $RealPos [2]["Y"];

    return ($RealPos);
  }

  /* Set current font properties */
  function setFontProperties($Format = "") 
   {
    $R = isset($Format ["R"]) ? $Format ["R"] : -1;
    $G = isset($Format ["G"]) ? $Format ["G"] : -1;
    $B = isset($Format ["B"]) ? $Format ["B"] : -1;
    $Alpha = isset($Format ["Alpha"]) ? $Format ["Alpha"] : 100;
    $FontName = isset($Format ["FontName"]) ? $Format ["FontName"] : NULL;
    $FontSize = isset($Format ["FontSize"]) ? $Format ["FontSize"] : NULL;

    if ($R != -1) {
      $this->FontColorR = $R;
    }
    if ($G != -1) {
      $this->FontColorG = $G;
    }
    if ($B != -1) {
      $this->FontColorB = $B;
    }
    if ($Alpha != NULL) {
      $this->FontColorA = $Alpha;
    }

    if ($FontName != NULL) {
      $this->FontName = $FontName;
    }

    if ($FontSize != NULL) {
      $this->FontSize = $FontSize;
    }
  }

  /* Returns the 1st decimal values (used to correct AA bugs) */
  function getFirstDecimal($Value) 
   {
    $Values = preg_split("/\./", $Value);
    if (isset($Values [1])) {
      return (substr($Values [1], 0, 1));
    }
    else {
      return (0);
    }
  }

  /* Attach a dataset to your pChart Object */
  function setDataSet(&$DataSet) 
   {
    $this->DataSet = $DataSet;
  }

  /* Print attached dataset contents to STDOUT */
  function printDataSet() 
   {
    print_r($this->DataSet);
  }

  /* Initialise the image map methods */
  function initialiseImageMap($Name = "pChart", $StorageMode = IMAGE_MAP_STORAGE_SESSION, $UniqueID = "imageMap", $StorageFolder = "tmp") 
   {
    $this->ImageMapIndex = $Name;
    $this->ImageMapStorageMode = $StorageMode;

    if ($StorageMode == IMAGE_MAP_STORAGE_SESSION) 
     {
      if (!isset($_SESSION)) {
        session_start();
      }
      $_SESSION [$this->ImageMapIndex] = NULL;
    }
    elseif ($StorageMode == IMAGE_MAP_STORAGE_FILE) 
     {
      $this->ImageMapFileName = $UniqueID;
      $this->ImageMapStorageFolder = $StorageFolder;

      if (file_exists($StorageFolder . "/" . $UniqueID . ".map")) {
        unlink($StorageFolder . "/" . $UniqueID . ".map");
      }
    }
  }

  /* Add a zone to the image map */
  function addToImageMap($Type, $Plots, $Color = NULL, $Title = NULL, $Message = NULL, $HTMLEncode = FALSE) 
   {
    if ($this->ImageMapStorageMode == NULL) {
      $this->initialiseImageMap();
    }

    /* Encode the characters in the imagemap in HTML standards */
    $Title = str_replace("&#8364;", "\u20AC", $Title);
    $Title = htmlentities($Title, ENT_QUOTES, "ISO-8859-15");
    if ($HTMLEncode) 
     {
      $Message = htmlentities($Message, ENT_QUOTES, "ISO-8859-15");
      $Message = str_replace("&lt;", "<", $Message);
      $Message = str_replace("&gt;", ">", $Message);
    }

    if ($this->ImageMapStorageMode == IMAGE_MAP_STORAGE_SESSION) 
     {
      if (!isset($_SESSION)) {
        $this->initialiseImageMap();
      }
      $_SESSION [$this->ImageMapIndex][] = array($Type, $Plots, $Color, $Title, $Message);
    }
    elseif ($this->ImageMapStorageMode == IMAGE_MAP_STORAGE_FILE) 
     {
      $Handle = fopen($this->ImageMapStorageFolder . "/" . $this->ImageMapFileName . ".map", 'a');
      fwrite($Handle, $Type . IMAGE_MAP_DELIMITER . $Plots . IMAGE_MAP_DELIMITER . $Color . IMAGE_MAP_DELIMITER . $Title . IMAGE_MAP_DELIMITER . $Message . "\r\n");
      fclose($Handle);
    }
  }

  /* Remove VOID values from an imagemap custom values array */
  function removeVOIDFromArray($SerieName, $Values) 
   {
    if (!isset($this->DataSet->Data ["Series"][$SerieName])) {
      return (-1);
    }

    $Result = "";
    foreach ($this->DataSet->Data ["Series"][$SerieName]["Data"] as $Key => $Value) 
     {
      if ($Value != VOID && isset($Values [$Key])) {
        $Result [] = $Values [$Key];
      }
    }
    return ($Result);
  }

  /* Replace the title of one image map serie */
  function replaceImageMapTitle($OldTitle, $NewTitle) 
   {
    if ($this->ImageMapStorageMode == NULL) {
      return (-1);
    }

    if (is_array($NewTitle)) {
      $NewTitle = $this->removeVOIDFromArray($OldTitle, $NewTitle);
    }

    if ($this->ImageMapStorageMode == IMAGE_MAP_STORAGE_SESSION) 
     {
      if (!isset($_SESSION)) {
        return (-1);
      }
      if (is_array($NewTitle)) 
       {
        $ID = 0;
        foreach ($_SESSION [$this->ImageMapIndex] as $Key => $Settings) {
          if ($Settings [3] == $OldTitle && isset($NewTitle [$ID])) {
            $_SESSION [$this->ImageMapIndex][$Key][3] = $NewTitle [$ID];
            $ID++;
          }
        }
      }
      else 
       {
        foreach ($_SESSION [$this->ImageMapIndex] as $Key => $Settings) {
          if ($Settings [3] == $OldTitle) {
            $_SESSION [$this->ImageMapIndex][$Key][3] = $NewTitle;
          }
        }
      }
    }
    elseif ($this->ImageMapStorageMode == IMAGE_MAP_STORAGE_FILE) 
     {
      $TempArray = "";
      $Handle = @fopen($this->ImageMapStorageFolder . "/" . $this->ImageMapFileName . ".map", "r");
      if ($Handle) 
       {
        while (($Buffer = fgets($Handle, 4096)) !== false) 
         {
          $Fields = preg_split("/" . IMAGE_MAP_DELIMITER . "/", str_replace(array(chr(10), chr(13)), "", $Buffer));
          $TempArray [] = array($Fields [0], $Fields [1], $Fields [2], $Fields [3], $Fields [4]);
        }
        fclose($Handle);

        if (is_array($NewTitle)) 
         {
          $ID = 0;
          foreach ($TempArray as $Key => $Settings) {
            if ($Settings [3] == $OldTitle && isset($NewTitle [$ID])) {
              $TempArray [$Key][3] = $NewTitle [$ID];
              $ID++;
            }
          }
        }
        else 
         {
          foreach ($TempArray as $Key => $Settings) {
            if ($Settings [3] == $OldTitle) {
              $TempArray [$Key][3] = $NewTitle;
            }
          }
        }

        $Handle = fopen($this->ImageMapStorageFolder . "/" . $this->ImageMapFileName . ".map", 'w');
        foreach ($TempArray as $Key => $Settings) 
         {
          fwrite($Handle, $Settings [0] . IMAGE_MAP_DELIMITER . $Settings [1] . IMAGE_MAP_DELIMITER . $Settings [2] . IMAGE_MAP_DELIMITER . $Settings [3] . IMAGE_MAP_DELIMITER . $Settings [4] . "\r\n");
        }
        fclose($Handle);
      }
    }
  }

  /* Replace the values of the image map contents */
  function replaceImageMapValues($Title, $Values) 
   {
    if ($this->ImageMapStorageMode == NULL) {
      return (-1);
    }

    $Values = $this->removeVOIDFromArray($Title, $Values);
    $ID = 0;
    if ($this->ImageMapStorageMode == IMAGE_MAP_STORAGE_SESSION) 
     {
      if (!isset($_SESSION)) {
        return (-1);
      }
      foreach ($_SESSION [$this->ImageMapIndex] as $Key => $Settings) {
        if ($Settings [3] == $Title) {
          if (isset($Values [$ID])) {
            $_SESSION [$this->ImageMapIndex][$Key][4] = $Values [$ID];
          }
          $ID++;
        }
      }
    }
    elseif ($this->ImageMapStorageMode == IMAGE_MAP_STORAGE_FILE) 
     {
      $TempArray = "";
      $Handle = @fopen($this->ImageMapStorageFolder . "/" . $this->ImageMapFileName . ".map", "r");
      if ($Handle) 
       {
        while (($Buffer = fgets($Handle, 4096)) !== false) 
         {
          $Fields = preg_split("/" . IMAGE_MAP_DELIMITER . "/", str_replace(array(chr(10), chr(13)), "", $Buffer));
          $TempArray [] = array($Fields [0], $Fields [1], $Fields [2], $Fields [3], $Fields [4]);
        }
        fclose($Handle);

        foreach ($TempArray as $Key => $Settings) {
          if ($Settings [3] == $Title) {
            if (isset($Values [$ID])) {
              $TempArray [$Key][4] = $Values [$ID];
            }
            $ID++;
          }
        }

        $Handle = fopen($this->ImageMapStorageFolder . "/" . $this->ImageMapFileName . ".map", 'w');
        foreach ($TempArray as $Key => $Settings) 
         {
          fwrite($Handle, $Settings [0] . IMAGE_MAP_DELIMITER . $Settings [1] . IMAGE_MAP_DELIMITER . $Settings [2] . IMAGE_MAP_DELIMITER . $Settings [3] . IMAGE_MAP_DELIMITER . $Settings [4] . "\r\n");
        }
        fclose($Handle);
      }
    }
  }

  /* Dump the image map */
  function dumpImageMap($Name = "pChart", $StorageMode = IMAGE_MAP_STORAGE_SESSION, $UniqueID = "imageMap", $StorageFolder = "tmp") 
   {
    $this->ImageMapIndex = $Name;
    $this->ImageMapStorageMode = $StorageMode;

    if ($this->ImageMapStorageMode == IMAGE_MAP_STORAGE_SESSION) 
     {
      if (!isset($_SESSION)) {
        session_start();
      }
      if ($_SESSION [$Name] != NULL) 
       {
        foreach ($_SESSION [$Name] as $Key => $Params) 
         {
          echo $Params [0] . IMAGE_MAP_DELIMITER . $Params [1] . IMAGE_MAP_DELIMITER . $Params [2] . IMAGE_MAP_DELIMITER . $Params [3] . IMAGE_MAP_DELIMITER . $Params [4] . "\r\n";
        }
      }
    }
    elseif ($this->ImageMapStorageMode == IMAGE_MAP_STORAGE_FILE) 
     {
      if (file_exists($StorageFolder . "/" . $UniqueID . ".map")) 
       {
        $Handle = @fopen($StorageFolder . "/" . $UniqueID . ".map", "r");
        if ($Handle) {
          while (($Buffer = fgets($Handle, 4096)) !== false) {
            echo $Buffer;
          }
        }
        fclose($Handle);

        if ($this->ImageMapAutoDelete) {
          unlink($StorageFolder . "/" . $UniqueID . ".map");
        }
      }
    }

    /* When the image map is returned to the client, the script ends */
    exit();
  }

  /* Return the HTML converted color from the RGB composite values */
  function toHTMLColor($R, $G, $B) 
   {
    $R = intval($R);
    $G = intval($G);
    $B = intval($B);
    $R = dechex($R < 0 ? 0 : ($R > 255 ? 255 : $R));
    $G = dechex($G < 0 ? 0 : ($G > 255 ? 255 : $G));
    $B = dechex($B < 0 ? 0 : ($B > 255 ? 255 : $B));
    $Color = "#" . (strlen($R) < 2 ? '0' : '') . $R;
    $Color .= (strlen($G) < 2 ? '0' : '') . $G;
    $Color .= (strlen($B) < 2 ? '0' : '') . $B;
    return ($Color);
  }

  /* Reverse an array of points */
  function reversePlots($Plots) 
   {
    $Result = "";
    for ($i = count($Plots) -2; $i >= 0; $i = $i -2) {
      $Result [] = $Plots [$i];
      $Result [] = $Plots [$i + 1];
    }
    return ($Result);
  }

  /* Mirror Effect */
  function drawAreaMirror($X, $Y, $Width, $Height, $Format = "") 
   {
    $StartAlpha = isset($Format ["StartAlpha"]) ? $Format ["StartAlpha"] : 80;
    $EndAlpha = isset($Format ["EndAlpha"]) ? $Format ["EndAlpha"] : 0;

    $AlphaStep = ($StartAlpha -$EndAlpha) / $Height;

    $Picture = imagecreatetruecolor($this->XSize, $this->YSize);
    imagecopy($Picture, $this->Picture, 0, 0, 0, 0, $this->XSize, $this->YSize);

    for ($i = 1; $i <= $Height; $i++) 
     {
      if ($Y + ($i -1) < $this->YSize && $Y -$i > 0) {
        imagecopymerge($Picture, $this->Picture, $X, $Y + ($i -1), $X, $Y -$i, $Width, 1, $StartAlpha -$AlphaStep * $i);
      }
    }

    imagecopy($this->Picture, $Picture, 0, 0, 0, 0, $this->XSize, $this->YSize);
  }
}