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<?php
/*
This code is part of FusionDirectory (http://www.fusiondirectory.org/)
Copyright (C) 2003-2010 Cajus Pollmeier
Copyright (C) 2011-2013 FusionDirectory
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
session_cache_limiter("private");
/* Check for parameter completenes */
if (!isset($_GET['x']) || !isset($_GET['y']) || !isset($_GET['p'])) {
die ("Missing parameters!");
}
if (!is_numeric($_GET['x']) || !is_numeric($_GET['y'])) {
die ("Parameters must be numeric!");
}
$p = (int)($_GET['p']);
$x = (int)($_GET['x']);
$y = (int)($_GET['y']);
/* Check percentage */
if ($p < 0) {
$p = 0;
} elseif ($p > 100) {
$p = 100;
}
$p = intval ($p);
/* Check dimensions */
if ($x < 3 || $x > 1000) {
$x = 180;
}
if ($y < 3 || $y > 700) {
$y = 20;
}
if (!function_exists("imagecreate")) {
syslog(LOG_ERR, "FusionDirectory is missing the gd library, please install php5-gd to be able to see progress images.");
echo "Please install the php5-gd library, FusionDirectory can't create images without it.";
exit();
} else {
$x_matches = FALSE;
$y_matches = FALSE;
foreach (array(7,6,5,4,3,2,1,0) as $font) {
$fx = ImageFontWidth($font) * strlen("$p%");
$fy = ImageFontHeight($font);
/* Look if font size matches image size */
if ($fx < ($x - 2)) {
$x_matches = TRUE;
}
if ($fy < ($y - 2)) {
$y_matches = TRUE;
}
if ($x_matches && $y_matches) {
break;
}
}
/* Draw image in GD image stream */
$im = imagecreate ($x, $y)
or die ("Cannot Initialize new GD image stream");
/* Set colors */
$bg_color = imagecolorallocate($im, 255, 255, 255);
$br_color = imagecolorallocate($im, 0, 0, 0);
$fi_color = imagecolorallocate($im, 0, 0, 180);
$tx_color = imagecolorallocate($im, 240, 10, 90);
/* Draw progress bar */
imagerectangle ($im, 0, 0, $x - 1, $y - 1, $br_color);
imagefilledrectangle ($im, 1, 1, (($x - 2) * $p / 100),
$y - 2, $fi_color);
/* Is font to big for progress bar? */
if ($font != 0) {
imagestring ($im, $font, ($x - $fx) / 2, ($y - $fy) / 2, "$p%", $tx_color);
}
/* Finally draw the image and remove context */
header ("Content-type: image/png");
imagepng ($im);
imagedestroy ($im);
}
?>
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