Файл: forum/thumbinal.php
Строк: 78
<?php
/**
* @package JohnCMS
* @link http://johncms.com
* @copyright Copyright (C) 2008-2011 JohnCMS Community
* @license LICENSE.txt (see attached file)
* @version VERSION.txt (see attached file)
* @author http://johncms.com/about
*/
$radius = 4;
$file = isset($_GET['file']) ? htmlspecialchars(urldecode($_GET['file'])) : NULL;
if ($file && file_exists('../files/forum/attach/' . $file)) {
list($width, $height, $type) = getimagesize('../files/forum/attach/' . $file);
switch ($type) {
case 1: $att_ext = 'gif' ;break;
case 2: $att_ext = 'jpeg'; break;
case 3: $att_ext = 'png'; break;
case 4: $att_ext = 'jpg'; break;
}
if ($att_ext) {
$razm = 50;
$x_ratio = $razm / $width;
$y_ratio = $razm / $height;
if (($width <= $razm) && ($height <= $razm)) {
$tn_width = $width;
$tn_height = $height;
} else if (($x_ratio * $height) < $razm) {
$tn_height = ceil($x_ratio * $height);
$tn_width = $razm;
} else {
$tn_width = ceil($y_ratio * $width);
$tn_height = $razm;
}
$function = 'imageCreateFrom' . $att_ext;
$image = $function('../files/forum/attach/' . $file);
if($att_ext == 'gif') {
$tmp = imagecreate($tn_width, $tn_height);
$color = imagecolorallocate($tmp, 0, 0, 0);
}
else
$tmp = imageCreateTrueColor($tn_width, $tn_height);
if($att_ext == 'png') {
imageAlphaBlending($tmp, false);
imageSaveAlpha($tmp, true);
} else if($att_ext == 'gif') {
imagecolortransparent($tmp, $color);
}
imageCopyResampled($tmp, $image, 0, 0, 0, 0, $tn_width, $tn_height, $width, $height);
if(($att_ext == 'jpg' || $att_ext == 'jpeg') && $radius > 1 && $radius <= 20)
{
$img = $tmp;
$rate = 3;
imagealphablending($img, false);
imagesavealpha($img, true);
$width = imagesx($img);
$height = imagesy($img);
$rs_radius = $radius * $rate;
$rs_size = $rs_radius * 2;
$corner = imagecreatetruecolor($rs_size, $rs_size);
imagealphablending($corner, false);
$trans = imagecolorallocatealpha($corner, 255, 255, 255, 127);
imagefill($corner, 0, 0, $trans);
$positions = array(
array(0, 0, 0, 0),
array($rs_radius, 0, $width - $radius, 0),
array($rs_radius, $rs_radius, $width - $radius, $height - $radius),
array(0, $rs_radius, 0, $height - $radius),
);
foreach ($positions as $pos) {
imageCopyResampled($corner, $img, $pos[0], $pos[1], $pos[2], $pos[3], $rs_radius, $rs_radius, $radius, $radius);
}
$lx = $ly = 0;
$i = -$rs_radius;
$y2 = -$i;
$r_2 = $rs_radius * $rs_radius;
for (; $i <= $y2; $i++) {
$y = $i;
$x = sqrt($r_2 - $y * $y);
$y += $rs_radius;
$x += $rs_radius;
imageline($corner, $x, $y, $rs_size, $y, $trans);
imageline($corner, 0, $y, $rs_size - $x, $y, $trans);
$lx = $x;
$ly = $y;
}
foreach ($positions as $i => $pos) {
imageCopyResampled($img, $corner, $pos[2], $pos[3], $pos[0], $pos[1], $radius, $radius, $rs_radius, $rs_radius);
}
ob_start();
header('Content-Type: image/png');
imagepng($img);
ob_end_flush();
} else {
ob_start();
switch($att_ext) {
case 'jpg':
case 'jpeg':
@imagejpeg($tmp, null, 100);
break;
case 'gif':
@imagegif($tmp, null);
break;
case 'png':
@imagepng($tmp, null, 9);
break;
default:
// *** No extension - No save.
break;
}
ImageDestroy($tmp);
imageDestroy($image);
Header("Content-Type: image/" . $att_ext);
Header('Content-Disposition: inline; filename=thumbinal.' . $att_ext);
Header('Content-Length: ' . ob_get_length());
ob_end_flush();
}
}
}
?>