Tworze galerie zdjęć na stronke, i mam problem - nie chce generować mi miniatur, czy ktoś ma jakieś pomysły co jest nie tak w skrypcie?
Przykładowe wywołanie:
thumb.display.php?max=800&q=90&img=sciezka/do/pliku/plik.png
//// debug mode
$th_debug_flag = false;//$settings['thumbnail_debug'];
$error_msg = '';
$center_image = true;
$img_types = array(
"",
"GIF",
"JPG",
"PNG",
"SWF",
"PSD",
"BMP",
"TIFF",
"TIFF",
"JPC",
"JP2",
"JPX",
"JB2",
"SWC",
"IFF",
"WBMP",
"XBM"
);
// debug
$th_debug = (isset($settings['thumbnail_debug']))
? $settings['thumbnail_debug']
: false;
// check if image path is encoded
$en = (isset($_GET["en"]))
? true
: false;
//// receives the original image as [?img=relative/path/to/image.jpg] ////
// get image path
$img = false;
if (isset($_GET["img"])) {
if ($settings['set_double_encoding']) {
$img = "../".Url_decode(htmlentities($_GET["img"]));
} else {
$img = "../".str_replace("\\","",htmlentities($_GET["img"]));
}
} else {
$img = false;
}
// check if big image to cache
$pic = (isset($_GET["pic"]))
? true
: false;
$_prefix = ($pic)
? $settings['image_prefix']
: $settings['thumbnail_prefix'];
// image is square?
$sq = (isset($_GET["sq"]))
? htmlentities($_GET["sq"])
: false;
// image is preview thumbnail
$pr = (isset($_GET["pr"]))
? htmlentities($_GET["pr"])
: false;
// image max size
$img_maxsize = (isset($_GET["max"])) ? htmlentities($_GET["max"]) : 80;
// image quality
$img_quality = (isset($_GET["q"]))
? htmlentities($_GET["q"])
: (($sq)
? (($pr)
? $settings['preview_thumbnail_quality']
: $settings['thumbnail_quality'])
: $settings['thumbnail_quality']);
// cache thumbnail
$cache_thumb = (isset($_GET["c"]))
? true
: false;
// delete existing thumbnail
$unlink = (isset($_GET["u"]))
? true
: false;
$thumb = '';
$image = '';
if ($img && file_exists($img)) {
//// get image size ////
$img_info = getimagesize($img);
if ($img_info) {
//// resize image ////
$img_type = $img_types[$img_info[2]];
$th_w = $img_info[0];
$th_h = $img_info[1];
$move_w = $move_h = 0;
$w = $h = 0;
if ($th_w >= $th_h) {
//// Landscape Picture ////
if ($sq) {
$h = $img_maxsize;
$w = (($th_w * $h) / $th_h);
$move_w = (($th_w - $th_h) / 2);
$w = $img_maxsize;
$th_w = $th_h;
} else {
$w = $img_maxsize;
$h = (($th_h * $w) / $th_w);
}
} else {
//// Portrait Picture ////
if ($sq) {
$w = $img_maxsize;
$h = (($th_h * $w) / $th_w);
$move_h = (($th_h - $th_w) / 2);
$h = $img_maxsize;
$th_h = $th_w;
} else {
$h = $img_maxsize;
$w = (($th_w * $h) / $th_h);
}
}
//// create image ////
$thumb = imagecreatetruecolor($w, $h);
imagefill($thumb, 255, 255, 255);
//// copy image ////
if (($img_type == "JPG") && (imagetypes() & IMG_JPG)) {
$image = imagecreatefromjpeg($img);
} else if (($img_type == "GIF") && (imagetypes() & IMG_GIF)) {
$image = imagecreatefromgif($img);
} else if (($img_type == "PNG") && (imagetypes() & IMG_PNG)) {
$image = imagecreatefrompng($img);
}
} else {
$error_msg = "!! BAD IMG";
}
}
//// if there's an error reading the original image
//// output an error image
// see if it failed
if (!$th_debug_flag && (!$image | $image=='' | $error_msg!='')) {
// do not cache
$cache_thumb = '';
$error_size = $img_maxsize;
// create a white image
$thumb = imagecreatetruecolor($error_size, $error_size);
$lightgrey = imagecolorallocate($thumb, 234, 234, 234);
$grey = imagecolorallocate($thumb, 66, 66, 66);
$black = imagecolorallocate($thumb, 0, 0, 0);
$white = imagecolorallocate($thumb, 255, 255, 255);
$orange = imagecolorallocate($thumb, 255, 66, 0);
$bg_color = $grey;
$fg_color = $white;
imagefilledrectangle($thumb, 0, 0, $error_size, $error_size, $bg_color);
// output an errmsg
$fnum = ($img_maxsize >= 70) ? 2 : 1;
$msg_height = 12;
$msg_array = explode(":",$error_msg);
for ($i=0; $i<count($msg_array); $i++) {
imagestring($thumb, $fnum, 2, 2+($msg_height*$i), $msg_array[$i], $fg_color);
}
/// up the image quality
$img_quality = 100;
} else {
$created = imagecopyresampled($thumb, $image, 0, 0, $move_w, $move_h, $w, $h, $th_w, $th_h);
}
//// cache images (if enabled)
$current_gallery = array_pop(split("/", dirname($img)));
$cache_thumb_dir = "../cache/"
.$settings['gallery_prefix']
.$current_gallery;
$thumb_url = $cache_thumb_dir."/"
.$_prefix
.basename($img);
if ($unlink) $delete = @unlink($thumb_url);
if ($cache_thumb) {
$thumbCreated = imagejpeg($thumb, $thumb_url, $img_quality);
}
//// display created image ////
header("Content-type: image/jpeg");
imagejpeg($thumb, '', $img_quality);
//// destroy images (free memory)
imagedestroy($image);
imagedestroy($thumb);
/* END */
?>
PHP 