function image_is()
{
$type = split(",", strtolower($GLOBALS['_confing']['web_upload_image']));
if (!isset($type)) {
$type = array('image/gif', 'image/jpeg', 'image/png', 'image/jpg', 'image/bmp', 'image/pjpeg');
} else {
$type = image_type($type);
}
if (!in_array($this->pic['type'], $type)) {
msg('上传文件格式不正确!请重新上传');
}
}
function image_save($img, $file_name)
{
$type = image_type($file_name);
if ($type == "gif") {
imagegif($img, $file_name);
} else {
if ($type == "jpg" || $type == "jpeg" || $type == "pjpeg") {
imagejpeg($img, $file_name);
} else {
if ($type == "png") {
imagepng($img, $file_name);
}
}
}
}
img_error('badprotocol');
}
if (!preg_match('/^' . IMAGE_REGEX . '/is', $URL, $Matches)) {
img_error('invalid');
}
if (isset($_GET['c'])) {
list($Data, $FileType) = $Cache->get_value('image_cache_' . md5($URL));
$Cached = true;
}
if (!isset($Data) || !$Data) {
$Cached = false;
$Data = @file_get_contents($URL, 0, stream_context_create(array('http' => array('timeout' => 15))));
if (!$Data || empty($Data)) {
img_error('timeout');
}
$FileType = image_type($Data);
if ($FileType && function_exists("imagecreatefrom{$FileType}")) {
$Image = imagecreatefromstring($Data);
if (invisible($Image)) {
img_error('invisible');
}
if (verysmall($Image)) {
img_error('small');
}
}
if (isset($_GET['c']) && strlen($Data) < 262144) {
$Cache->cache_value('image_cache_' . md5($URL), array($Data, $FileType), 3600 * 24 * 7);
}
}
// Reset avatar, add mod note
function reset_image($UserID, $Type, $AdminComment, $PrivMessage)
function get_img_data($url)
{
if (empty($url)) {
return false;
}
$md5 = md5($url);
$cache_file = __DIR__ . '/cache/' . $md5 . '.img';
if (file_exists($cache_file)) {
return file_get_contents($cache_file);
}
$res = curl_get_content($url, null, 7, 30);
if (empty($res)) {
return false;
}
$img_data = 'data:image/' . image_type($url) . ';base64,' . base64_encode($res);
file_put_contents($cache_file, $img_data);
return $img_data;
}
function composite_image($origin, $comp, $out_file)
{
if (file_exists($origin) && file_exists($comp)) {
$os = image_size($origin);
$cs = image_size($comp);
$w = $os[0];
$h = $os[1];
$cw = $cs[0];
$ch = $cs[1];
$x = ($w - $cw) / 2;
$y = ($h - $ch) / 2;
if (extension_loaded('imagick')) {
$i = new Imagick($origin);
$c = new Imagick($comp);
$i->compositeImage($c, Imagick::COMPOSITE_DEFAULT, $x, $y);
$i->writeImage($out_file);
return true;
}
if (extension_loaded('gd')) {
$ext = image_type($origin);
// Reading the origin image
if ($ext == 'jpg' || $ext == 'jpeg') {
$im = imagecreatefromjpeg($origin);
} else {
$im = imagecreatefrompng($origin);
}
$ext = image_type($comp);
// Reading the composite image
if ($ext == 'jpg' || $ext == 'jpeg') {
$overlay = imagecreatefromjpeg($comp);
} else {
$overlay = imagecreatefrompng($comp);
}
imagecopymerge($im, $overlay, $x, $y, 0, 0, $cw, $ch, 100);
$ext = image_type($out_file);
if ($ext == 'jpg' || $ext == 'jpeg') {
imagejpeg($im, $out_file);
} else {
imagepng($im, $out_file);
}
imagedestroy($overlay);
imagedestroy($im);
}
}
return false;
}
