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<?php
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// +-----------------------------------------------------------------------+
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// | PhpWebGallery - a PHP based picture gallery                           |
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// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
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// | Copyright (C) 2003-2005 PhpWebGallery Team - http://phpwebgallery.net |
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// +-----------------------------------------------------------------------+
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// | branch        : BSF (Best So Far)
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// | file          : $RCSfile: global_stats.img.php,v $
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// | last update   : $Date: 2005/01/11 20:04:19 $
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// | last modifier : $Author: plg $
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// | revision      : $Revision: 1.6 $
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// +-----------------------------------------------------------------------+
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// | This program is free software; you can redistribute it and/or modify  |
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// | it under the terms of the GNU General Public License as published by  |
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// | the Free Software Foundation                                          |
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// |                                                                       |
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// | This program is distributed in the hope that it will be useful, but   |
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// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
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// | General Public License for more details.                              |
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// |                                                                       |
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// | You should have received a copy of the GNU General Public License     |
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// | along with this program; if not, write to the Free Software           |
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// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// | USA.                                                                  |
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// +-----------------------------------------------------------------------+
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//----------------------------------------------------------- include
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define('PHPWG_ROOT_PATH','../../');
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define('IN_ADMIN', true);
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include_once( PHPWG_ROOT_PATH.'include/common.inc.php' );
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include_once( PHPWG_ROOT_PATH.'admin/include/isadmin.inc.php' );
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include_once( 'phpBarGraph.php' );
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//------------------------------------------------ variable definition
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$outputFormat = "png";
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$legend = $lang['stats_global_graph_title'];
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$imageHeight = 256;
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$imageWidth = 320;
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$sql = "SELECT DISTINCT COUNT(*), MONTH(date) 
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  FROM ".HISTORY_TABLE." 
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  WHERE (date > DATE_SUB(CURRENT_DATE(), INTERVAL 12 MONTH)) 
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  GROUP BY DATE_FORMAT(date,'%Y-%m') DESC;";
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//------------------------------------------------ Image definition
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$image = ImageCreate($imageWidth, $imageHeight);
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//$image = ImageCreateTrueColor($imageWidth, $imageHeight);
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// Fill it with your favorite background color..
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$backgroundColor = ImageColorAllocate($image, 184, 184, 184);
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ImageFill($image, 0, 0, $backgroundColor);
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$white = ImageColorAllocate($image, 0, 0, 0);
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// Interlace the image..
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Imageinterlace($image, 1);
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// Create a new BarGraph..
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$myBarGraph = new PhpBarGraph;
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$myBarGraph->SetX(10);              // Set the starting x position
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$myBarGraph->SetY(10);              // Set the starting y position
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$myBarGraph->SetWidth($imageWidth-20);    // Set how wide the bargraph will be
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$myBarGraph->SetHeight($imageHeight-20);  // Set how tall the bargraph will be
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$myBarGraph->SetNumOfValueTicks(3); // Set this to zero if you don't want to show any. These are the vertical bars to help see the values.
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// You can try uncommenting these lines below for different looks.
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// $myBarGraph->SetShowLabels(false);  // The default is true. Setting this to false will cause phpBarGraph to not print the labels of each bar.
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 $myBarGraph->SetShowValues(false);  // The default is true. Setting this to false will cause phpBarGraph to not print the values of each bar.
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// $myBarGraph->SetBarBorder(false);   // The default is true. Setting this to false will cause phpBarGraph to not print the border of each bar.
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// $myBarGraph->SetShowFade(false);    // The default is true. Setting this to false will cause phpBarGraph to not print each bar as a gradient.
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// $myBarGraph->SetShowOuterBox(false);   // The default is true. Setting this to false will cause phpBarGraph to not print the outside box.
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$myBarGraph->SetBarSpacing(5);     // The default is 10. This changes the space inbetween each bar.
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// Add Values to the bargraph..
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$result = pwg_query($sql)
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or die(mysql_errno().": ".mysql_error()."<BR>".$sql);
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//$monthes =array_fill(1,12,0);
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$monthes =array();
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$date = getdate();
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$current_month = $date['mon'];
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for ($i=0;$i<12;$i++)
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{
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  $monthes[(($current_month-$i+11)%12)+1]=0;
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}
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while ($r = mysql_fetch_row($result))
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{ 
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  if (!$monthes[$r[1]]) $monthes[$r[1]]= $r[0];
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}
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$monthes = array_reverse($monthes,true);
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while (list ($key,$value) = each($monthes))
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{
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  $nls_key = substr($lang['month'][$key],0,3);
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  $myBarGraph->AddValue($nls_key, $value);
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}
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//$myBarGraph->SetDebug(true);
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// Set the colors of the bargraph..
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$myBarGraph->SetStartBarColor("6666ff");  // This is the color on the top of every bar.
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$myBarGraph->SetEndBarColor("2222aa");    // This is the color on the bottom of every bar. This is not used when SetShowFade() is set to false.
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$myBarGraph->SetLineColor("000000");      // This is the color all the lines and text are printed out with.
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// Print the BarGraph to the image..
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$myBarGraph->DrawBarGraph($image);
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Imagestring($image, 2, 2, $imageHeight-14, $legend, $white);
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//------------------------------------------------ Image output
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if ($outputFormat == "png")
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{
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  header("Content-type: image/png");
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  ImagePNG($image);
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}
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else if ($outputFormat == "jpg")
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{
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  header("Content-type: image/jpeg");
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  Imagejpeg($image);
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}
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// Destroy the image.
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Imagedestroy($image);
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?>