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<?php
/*
+-----------------------------------------------------------------------+
| bin/quotaimg.php |
| |
| This file is part of the RoundCube Webmail client |
| Copyright (C) 2005-2008, RoundCube Dev. - Switzerland |
| Licensed under the GNU GPL |
| |
| PURPOSE: |
| Create a GIF image showing the mailbox quot as bar |
| |
+-----------------------------------------------------------------------+
| Author: Brett Patterson <brett2@umbc.edu> |
+-----------------------------------------------------------------------+
$Id$
*/
define('INSTALL_PATH', realpath(dirname(__FILE__).'/..') . '/');
require INSTALL_PATH . 'program/include/iniset.php';
$RCMAIL = rcmail::get_instance();
$used = isset($_GET['u']) ? intval($_GET['u']) : '??';
$quota = isset($_GET['q']) ? intval($_GET['q']) : '??';
$width = empty($_GET['w']) ? 100 : min(300, intval($_GET['w']));
$height = empty($_GET['h']) ? 14 : min(50, intval($_GET['h']));
/**
* Quota display
*
* Modify the following few elements to change the display of the image.
* Modifiable attributes are:
* bool border :: Defines whether you want to show a border around it?
* bool unknown :: Leave default; Defines whether quota is "unknown"
*
* int height :: Defines height of the image
* int width :: Defines width of the image
* int font :: Changes the font size & font used in the GD library.
* Available values are from 1 to 5.
* int padding :: Changes the offset (in pixels) from the top of the image
* to where the top of the text will be aligned. User
* greater than 0 to ensure text is off the border.
* array limit :: Holds the integer values of in an associative array as
* to what defines the upper and lower levels for quota
* display.
* High - Quota is nearing capacity.
* Mid - Quota is around the middle
* Low - Currently not used.
* array color :: An associative array of strings of comma separated
* values (R,G,B) for use in color creation. Define the
* RGB values you'd like to use. A list of colors (and
* their RGB values) can be found here:
* http://www.december.com/html/spec/colorcodes.html
*
* @return void
*
* @param mixed $used The amount used, or ?? if unknown.
* @param mixed $total The total available, or ?? if unknown.
* @param int $width Width of the image.
* @param int $height Height of the image.
*
* @see rcube_imap::get_quota()
* @see iil_C_GetQuota()
*
* @todo Make colors a config option.
*/
function genQuota($used, $total, $width, $height)
{
$unknown = false;
$border = 0;
$font = 2;
$padding = 0;
$limit['high'] = 80;
$limit['mid'] = 55;
$limit['low'] = 0;
// Fill Colors
$color['fill']['high'] = '243, 49, 49'; // Near quota fill color
$color['fill']['mid'] = '245, 173, 60'; // Mid-area of quota fill color
$color['fill']['low'] = '145, 225, 100'; // Far from quota fill color
// Background colors
$color['bg']['OL'] = '215, 13, 13'; // Over limit bbackground
$color['bg']['Unknown'] = '238, 99, 99'; // Unknown background
$color['bg']['quota'] = '255, 255, 255'; // Normal quota background
// Misc. Colors
$color['border'] = '0, 0, 0';
$color['text']['high'] = '255, 255, 255'; // white text for red background
$color['text']['mid'] = '102, 102, 102';
$color['text']['low'] = '102, 102, 102';
$color['text']['normal'] = '102, 102, 102';
/************************************
***** DO NOT EDIT BELOW HERE *****
***********************************/
// @todo: Set to "??" instead?
if (ereg("^[^0-9?]*$", $used) || ereg("^[^0-9?]*$", $total)) {
return false;
}
if (strpos($used, '?') !== false || strpos($total, '?') !== false && $used != 0) {
$unknown = true;
}
$im = imagecreate($width, $height);
if ($border) {
list($r, $g, $b) = explode(',', $color['border']);
$borderc = imagecolorallocate($im, $r, $g, $b);
imageline($im, 0, 0, $width, 0, $borderc);
imageline($im, 0, $height-$border, 0, 0, $borderc);
imageline($im, $width-1, 0, $width-$border, $height, $borderc);
imageline($im, $width, $height-$border, 0, $height-$border, $borderc);
}
if ($unknown) {
list($r, $g, $b) = explode(',', $color['text']['normal']);
$text = imagecolorallocate($im, $r, $g, $b);
list($r, $g, $b) = explode(',', $color['bg']['Unknown']);
$background = imagecolorallocate($im, $r, $g, $b);
imagefilledrectangle($im, 0, 0, $width, $height, $background);
$string = 'Unknown';
$mid = floor(($width-(strlen($string)*imagefontwidth($font)))/2)+1;
imagestring($im, $font, $mid, $padding, $string, $text);
} else if ($used > $total) {
list($r, $g, $b) = explode(',', $color['text']['normal']);
$text = imagecolorallocate($im, $r, $g, $b);
list($r, $g, $b) = explode(',', $color['bg']['OL']);
$background = imagecolorallocate($im, $r, $g, $b);
imagefilledrectangle($im, 0, 0, $width, $height, $background);
$string = 'Over Limit';
$mid = floor(($width-(strlen($string)*imagefontwidth($font)))/2)+1;
imagestring($im, $font, $mid, $padding, $string, $text);
} else {
list($r, $g, $b) = explode(',', $color['bg']['quota']);
$background = imagecolorallocate($im, $r, $b, $g);
imagefilledrectangle($im, 0, 0, $width, $height, $background);
$quota = ($used==0)?0:(round($used/$total, 2)*100);
if ($quota >= $limit['high']) {
list($r, $g, $b) = explode(',', $color['text']['high']);
$text = imagecolorallocate($im, $r, $g, $b);
list($r, $g, $b) = explode(',', $color['fill']['high']);
$fill = imagecolorallocate($im, $r, $g, $b);
} elseif($quota >= $limit['mid']) {
list($r, $g, $b) = explode(',', $color['text']['mid']);
$text = imagecolorallocate($im, $r, $g, $b);
list($r, $g, $b) = explode(',', $color['fill']['mid']);
$fill = imagecolorallocate($im, $r, $g, $b);
} else {
// if($quota >= $limit['low'])
list($r, $g, $b) = explode(',', $color['text']['low']);
$text = imagecolorallocate($im, $r, $g, $b);
list($r, $g, $b) = explode(',', $color['fill']['low']);
$fill = imagecolorallocate($im, $r, $g, $b);
}
$quota_width = $quota / 100 * $width;
imagefilledrectangle($im, $border, 0, $quota_width, $height-2*$border, $fill);
$string = $quota . '%';
$mid = floor(($width-(strlen($string)*imagefontwidth($font)))/2)+1;
// Print percent in black
imagestring($im, $font, $mid, $padding, $string, $text);
}
header('Content-Type: image/gif');
// cache for 1 hour
$maxage = 3600;
header('Expires: ' . gmdate('D, d M Y H:i:s', time()+$maxage). ' GMT');
header('Cache-Control: max-age=' . $maxage);
imagegif($im);
imagedestroy($im);
}
if (!empty($RCMAIL->user->ID) && $width > 1 && $height > 1) {
genQuota($used, $quota, $width, $height);
}
else {
header("HTTP/1.0 403 Forbidden");
echo "Requires a valid user session and positive values";
}
exit;
?>
|
