105 lines
3.4 KiB
PHP
105 lines
3.4 KiB
PHP
<?php
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header('Content-Type: image/png; Access-Control-Allow-Origin: *;');
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error_reporting(-1);
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/**
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* GET
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* Argumente:
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* path: Der Pfad zu den Bildern
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* recursive: Bool: Soll Rekursiv nach Bildern gesucht werden?
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* tn: Thumbnail: Soll eine Beschriftung rauf?
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* text: Welcher Text soll auf das Thumbnail?
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* color: Welche Farbe soll der Text haben?
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* whitelist: Pfad zur Whitelist-Datei
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* size: Die Schriftgröße
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*/
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function lineEnding($str) {
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if (strpos($str, "\r\n") !== false) return "\r\n";
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if (strpos($str, "\n") !== false) return "\n";
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return null;
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}
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include("colorstringconvert.php");
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$whitelist=[];
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if (!isset($_GET["path"]))
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die("Bitte gebe path an!");
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$path = "../bilder".$_GET["path"];
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if (!isset($_GET["recursive"]))
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die("Bitte gebe recursive an!");
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if (!isset($_GET["whitelist"]))
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$whitelistpath = $path."/whitelist.txt";
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$lineEnding=lineEnding(file_get_contents($whitelistpath));
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if($lineEnding==null) $whitelist=[file_get_contents($whitelistpath)];
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if(empty(file_get_contents($whitelistpath))) $whitelist=[];
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else if(count($whitelist)==0) $whitelist = explode($lineEnding, file_get_contents($whitelistpath));
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if (isset($_GET["tn"])) {
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if (!isset($_GET["text"]))
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die("Bitte gebe text an!");
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else
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$text = $_GET["text"];
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if (!isset($_GET["color"]))
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$color = 0xFFFFFF;
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else
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$color = hexdec(color_name_to_hex($_GET["color"]));
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}
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if (isset($_GET["size"])) {
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$size = $_GET["size"];
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} else {
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$size = 10;
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}
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$blacklist = ["@eaDir"];
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$file_ext = ["jpg", "png", "gif"];
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$tn = isset($_GET["tn"]);
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$font = "./tnfont.ttf";
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function getImages($path)
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{
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global $blacklist, $file_ext, $whitelist;
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$images = [];
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foreach (scandir($path) as $value) {
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if (in_array($value, $blacklist))
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continue;
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if (is_dir($path . "/" . $value)) {
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if (!$_GET["recursive"] || $value == "." || $value == "..")
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continue;
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else
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$images=array_merge($images,getImages($path . "/" . $value));
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}
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if (!in_array(pathinfo($path . "/" . $value, PATHINFO_EXTENSION), $file_ext))
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continue;
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if ($whitelist != []) { // Whitelist angegeben: Prüfen, ob Element in der Whitelist ist
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if (in_array($path . "/" . $value, $whitelist)) { // Element ist in der Whitelist
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array_push($images, $path . "/" . $value); // Bild zur Auswahl hinzufügen
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}
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} else { // Keine Whitelist angegeben -> alles wird mit in die Auswahl gepackt
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$images[] = $path . "/" . $value;
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}
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}
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return $images;
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}
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$images = getImages($path);
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$imagekey = array_rand($images);
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$imagepath = $images[$imagekey];
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if (pathinfo($imagepath, PATHINFO_EXTENSION) == "jpg")
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$image = imagecreatefromjpeg($imagepath);
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if (pathinfo($imagepath, PATHINFO_EXTENSION) == "png")
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$image = imagecreatefrompng($imagepath);
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if (pathinfo($imagepath, PATHINFO_EXTENSION) == "gif")
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$image = imagecreatefromgif($imagepath);
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if ($tn) {
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$newsize = 0.02 * $size * imagesx($image);
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$tb = imagettfbbox($newsize, 0, $font, $text);
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$x = ceil((imagesx($image) - $tb[2]) / 2);
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$y = ceil((imagesy($image) - $tb[5]) / 2);
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imagettftext($image, $newsize, 0, $x, $y, $color, $font, $text);
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}
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imagepng($image);
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imagedestroy($image); |