chore: outsource more image methods into own file

src/structure/components/com_sportsmanager/util/image.php

@@ -1,6 +1,12 @@
 <?php
 
-function bildKopierenAngepasst($quelle, $ziel, $ziel_breite, $ziel_hoehe, $zuschneiden)
+use JetBrains\PhpStorm\NoReturn;
+use Joomla\CMS\Application\SiteApplication;
+use Joomla\CMS\Factory;
+use Joomla\Filesystem\File;
+use Joomla\Filesystem\Folder;
+
+function bildKopierenAngepasst($quelle, $ziel, $ziel_breite, $ziel_hoehe, $zuschneiden): bool
 {
     $len = strlen($ziel);
     if ($len < 4 || $ziel[$len - 4] != ".")
@@ -14,7 +20,7 @@ function bildKopierenAngepasst($quelle, $ziel, $ziel_breite, $ziel_hoehe, $zusch
     $quelle_breite = imagesx($quelle_image);
     $quelle_hoehe = imagesy($quelle_image);
     if ($quelle_breite == $ziel_breite && $quelle_hoehe == $ziel_hoehe)
-        return JFile::copy($quelle, $ziel);
+        return File::copy($quelle, $ziel);
 
     $ziel_image = imagecreatetruecolor($ziel_breite, $ziel_hoehe);
     $hintergrund = $ext == "png" ? imagecolorallocatealpha($ziel_image, 0, 0, 0, 127) : imagecolorallocate($ziel_image, 64, 64, 64);
@@ -53,7 +59,426 @@ function bildKopierenAngepasst($quelle, $ziel, $ziel_breite, $ziel_hoehe, $zusch
     }
     $output = ob_get_contents();
     ob_end_clean();
-    JFile::write($ziel, $output);
+    File::write($ziel, $output);
     return true;
 }
 
+#[NoReturn] function bildAnpassen($typ, $id = 0): void
+{
+    global $sportsmanager_joomla_path;
+    $jInput = Factory::getContainer()->get(SiteApplication::class)->input;
+
+    if (empty($id))
+        $id = $jInput->get('id', 0, 'INT');
+    $fixed_width = $jInput->get('w', 0, 'INT');
+    $fixed_height = $jInput->get('h', 0, 'INT');
+    $max_width = $jInput->get('mw', 0, 'INT');
+    $max_height = $jInput->get('mh', 0, 'INT');
+    $no_cache = $jInput->get('nc', 0, 'INT');
+
+    $pfad = $sportsmanager_joomla_path . DIRECTORY_SEPARATOR . 'images' . DIRECTORY_SEPARATOR . 'sportsmanager' . DIRECTORY_SEPARATOR . $typ . DIRECTORY_SEPARATOR . $id . '.';
+    if (File::exists($pfad . 'png'))
+        $ext = "png";
+    else if (File::exists($pfad . 'jpg'))
+        $ext = "jpg";
+    else {
+        ob_end_clean(); // Wegen UTF-8-Zeichen, die in der ausgabe vorhanden sind
+        header('HTTP/1.1 404 Not Found');
+        die();
+    }
+
+    $filemtime = filemtime($pfad . $ext);
+    $last_modified = gmdate('D, d M Y H:i:s', $filemtime) . " GMT";
+    $etag = md5($id . '.' . $ext . $filemtime);
+
+    // Prüfung, ob die im Browsercache vorhandene Datei der hiesigen entspricht
+    if ($_SERVER['HTTP_IF_NONE_MATCH'] == '"' . $etag . '"' || $last_modified == $_SERVER['HTTP_IF_MODIFIED_SINCE']) {
+        ob_end_clean(); // Wegen UTF-8-Zeichen, die in der ausgabe vorhanden sind
+        header('HTTP/1.1 304 Not Modified');
+        if ($no_cache)
+            header("Cache-Control: must-revalidate"); // Bewirkt, dass der Browser jedesmal die Datei neu prüft
+        else
+            header("Cache-Control: max-age=2592000");  // Bewirkt, dass nach dreißig Tagen die Datei vom Browser auf eine Aktualisierung geprüft wird.
+        header("Last-Modified: " . $last_modified);
+        header('ETag: "' . $etag . '"');
+        die();
+    }
+
+    $image = $ext == "png" ? imagecreatefrompng($pfad . $ext) : imagecreatefromjpeg($pfad . $ext);
+    if ($image === false) {
+        ob_end_clean(); // Wegen UTF-8-Zeichen, die in der ausgabe vorhanden sind
+        header('HTTP/1.1 404 Not Found');
+        die();
+    }
+
+    ob_end_clean(); // Wegen UTF-8-Zeichen, die in der ausgabe vorhanden sind
+    header("Content-type: image/" . ($ext == "png" ? "png" : "jpeg"));
+    if ($no_cache)
+        header("Cache-Control: must-revalidate"); // Bewirkt, dass der Browser jedesmal die Datei neu prüft
+    else
+        header("Cache-Control: max-age=2592000");  // Bewirkt, dass nach dreißig Tagen die Datei vom Browser auf eine Aktualisierung geprüft wird.
+    header("Last-Modified: " . $last_modified);
+    header('ETag: "' . $etag . '"');
+
+    $width = imagesx($image);
+    $height = imagesy($image);
+
+    if (($fixed_width == 0 || $width == $fixed_width) && ($fixed_height == 0 || $height == $fixed_height) && ($fixed_width != 0 || $max_width == 0 || $width <= $max_width) && ($fixed_height != 0 || $max_height == 0 || $height <= $max_height)) {
+        if ($ext == "png") {
+            imagesavealpha($image, true);
+            imagepng($image);
+        } else
+            imagejpeg($image);
+        die();
+    }
+
+    $new_width = $width;
+    $new_height = $height;
+
+    if ($max_height > 0 && $new_height > $max_height) {
+        $new_width = max(round($new_width * $max_height / $new_height), 1);
+        $new_height = $max_height;
+    }
+    if ($max_width > 0 && $new_width > $max_width) {
+        $new_height = max(round($new_height * $max_width / $new_width), 1);
+        $new_width = $max_width;
+    }
+
+    if ($max_width > 0 && (($max_width - $new_width) % 2) == 1)  // Toleranz bei nur 1 Pixel Unterschied
+        $new_width += 1;
+    if ($max_height > 0 && (($max_height - $new_height) % 2) == 1)  // Toleranz bei nur 1 Pixel Unterschied
+        $new_height += 1;
+
+    $image_resized = imagecreatetruecolor(max($fixed_width, $new_width), max($fixed_height, $new_height));
+    $color = $ext == "png" ? imagecolorallocatealpha($image_resized, 0, 0, 0, 127) : imagecolorallocate($image_resized, 64, 64, 64);
+    imagefill($image_resized, 0, 0, $color);
+    imagecopyresampled($image_resized, $image, round((imagesx($image_resized) - $new_width) / 2), round((imagesy($image_resized) - $new_height) / 2), 0, 0, $new_width, $new_height, $width, $height);
+    if ($ext == "png") {
+        imagesavealpha($image_resized, true);
+        imagepng($image_resized);
+    } else
+        imagejpeg($image_resized);
+    die();
+}
+
+function bildLoeschen($typ, $id): void
+{
+    global $sportsmanager_joomla_path;
+    $typ_exploded = explode("/", $typ);
+    $typ          = $typ_exploded[0];
+    $typ_prefix   = count($typ_exploded) > 1 ? $typ_exploded[1] : "";
+    $bilder_pfad  = $sportsmanager_joomla_path . DIRECTORY_SEPARATOR . 'images' . DIRECTORY_SEPARATOR . 'sportsmanager' . DIRECTORY_SEPARATOR . $typ;
+    $pfad         = $bilder_pfad . '/' . $typ_prefix . $id . ".";
+    if (!is_file($pfad . 'png') && !is_file($pfad . 'jpg'))
+        return;
+    $alte_bilder = Folder::files($bilder_pfad, '^' . $typ_prefix . $id . '\.|^' . $typ_prefix . 'I' . $id . 'T');
+    foreach ($alte_bilder as $fn)
+        File::delete($bilder_pfad . DIRECTORY_SEPARATOR . $fn);
+}
+
+function bildIdentisch($typ1, $id1, $typ2, $id2): bool
+{
+    global $sportsmanager_joomla_path;
+    $typ1_exploded = explode("/", $typ1);
+    $typ1          = $typ1_exploded[0];
+    $typ1_prefix   = count($typ1_exploded) > 1 ? $typ1_exploded[1] : "";
+    $bilder_pfad1  = $sportsmanager_joomla_path . DIRECTORY_SEPARATOR . 'images' . DIRECTORY_SEPARATOR . 'sportsmanager' . DIRECTORY_SEPARATOR . $typ1;
+    $pfad1         = $bilder_pfad1 . '/' . $typ1_prefix . $id1 . ".";
+    if (is_file($pfad1 . "png"))
+        $ext = "png";
+    else if (is_file($pfad1 . "jpg"))
+        $ext = "jpg";
+    else
+        $ext = "";
+    $pfad1 .= $ext;
+
+    $typ2_exploded = explode("/", $typ2);
+    $typ2          = $typ2_exploded[0];
+    $typ2_prefix   = count($typ2_exploded) > 1 ? $typ2_exploded[1] : "";
+    $bilder_pfad2  = $sportsmanager_joomla_path . DIRECTORY_SEPARATOR . 'images' . DIRECTORY_SEPARATOR . 'sportsmanager' . DIRECTORY_SEPARATOR . $typ2;
+    $pfad2         = $bilder_pfad2 . '/' . $typ2_prefix . $id2 . "." . $ext;
+
+    return files_identical($pfad1, $pfad2);
+}
+
+function teamImage($teamId, $vereinId, $width = 240, $height = 240): ?string
+{
+    $url = bildURL("mannschaften", $teamId, 0, 0, $width, $height);
+
+    if ($url == null) {
+        $url = bildURL("vereine", $vereinId, 0, 0, $width, $height);
+    }
+
+    return $url;
+}
+
+function playerImage($playerId, $gender, $width = 180, $height = 240): ?string
+{
+    $url = bildURL("spieler", $playerId, $width, $height, 0,0, $gender == 'M' ? 'm' : 'w');
+    if ($url == null) {
+        $url = bildURL("mannschaftsmitglieder", $playerId, $width, $height);
+    }
+
+    return $url;
+}
+
+#[NoReturn] function spielerbild(): void
+{
+    $db = getDatabase();
+    $jInput = Factory::getContainer()->get(SiteApplication::class)->input;
+
+    $spielernr = $db->escape(trim($jInput->get('spielernr', '', 'RAW')));
+    $lizenznr = $db->escape(trim($jInput->get('lizenznr', '', 'RAW')));
+
+    if (empty($spielernr) && empty($lizenznr)) {
+        ob_end_clean(); // Wegen UTF-8-Zeichen, die in der ausgabe vorhanden sind
+        header('HTTP/1.1 404 Not Found');
+        die();
+    }
+
+    $query = "SELECT spieler_id"
+        . "\n FROM #__sportsmanager_spieler"
+        . "\n WHERE NOT ISNULL(aktueller_verein_id) AND NOT bild_ausblenden" . (!empty($spielernr) ? " AND spielernr = '$spielernr'" : " AND lizenznr = '$lizenznr'")
+        . "\n ORDER BY spieler_id DESC";
+    $db->setQuery($query);
+    if (!$db->execute()) {
+        die($db->stderr(true));
+    }
+    $rows = $db->loadObjectList();
+    if (count($rows) < 1) {
+        ob_end_clean(); // Wegen UTF-8-Zeichen, die in der ausgabe vorhanden sind
+        header('HTTP/1.1 404 Not Found');
+        die();
+    }
+
+    $id = $rows[0]->spieler_id;
+    bildAnpassen("spieler", $id);
+}
+
+function bildURL($typ, $id, $fixed_width = 0, $fixed_height = 0, $max_width = 0, $max_height = 0, $alternativ = ""): ?string
+{
+    global $sportsmanager_joomla_path;
+    global $sportsmanager_joomla_url;
+
+    $typ_exploded = explode("/", $typ);
+    $typ          = $typ_exploded[0];
+    $typ_prefix   = count($typ_exploded) > 1 ? $typ_exploded[1] : "";
+
+    $pfad = $sportsmanager_joomla_path . "/images/sportsmanager/" . $typ . "/" . $typ_prefix . $id . ".";
+    if (is_file($pfad . "png"))
+        $ext = "png";
+    else if (is_file($pfad . "jpg"))
+        $ext = "jpg";
+    else if (!empty($alternativ)) {
+        $id   = $alternativ;
+        $pfad = $sportsmanager_joomla_path . "/images/sportsmanager/" . $typ . "/" . $typ_prefix . $id . ".";
+        if (is_file($pfad . "png"))
+            $ext = "png";
+        else if (is_file($pfad . "jpg"))
+            $ext = "jpg";
+        else
+            return null;
+    }
+    else
+        return null;
+
+    $time = filemtime($pfad . $ext);
+
+    if ($fixed_width > 0 && $fixed_height > 0) {
+        $pfad_angepasst = $sportsmanager_joomla_path . "/images/sportsmanager/" . $typ . "/" . $typ_prefix . "I" . $id . "T" . $time . "W" . $fixed_width . "H" . $fixed_height . "." . $ext;
+        if (is_file($pfad_angepasst)) {
+            return  $sportsmanager_joomla_url . 'images/sportsmanager/' . $typ . '/' . basename($pfad_angepasst);
+        }
+    }
+
+    $size   = getimagesize($pfad . $ext);
+    $width  = $size[0];
+    $height = $size[1];
+
+    $max_width  = $fixed_width > 0 ? $fixed_width : $max_width;
+    $max_height = $fixed_height > 0 ? $fixed_height : $max_height;
+
+    if (($fixed_width == 0 || $width == $fixed_width) && ($fixed_height == 0 || $height == $fixed_height) && ($fixed_width != 0 || $max_width == 0 || $width <= $max_width) && ($fixed_height != 0 || $max_height == 0 || $height <= $max_height)) {
+        $pfad_angepasst = $sportsmanager_joomla_path . "/images/sportsmanager/" . $typ . "/" . $typ_prefix . "I" . $id . "T" . $time . "W" . $width . "H" . $height . "." . $ext;
+        if (!is_file($pfad_angepasst)) {
+            if (!copy($pfad . $ext, $pfad_angepasst))
+                return null;
+        }
+
+        return $sportsmanager_joomla_url . 'images/sportsmanager/' . $typ . '/' . basename($pfad_angepasst);
+    }
+
+    $new_width  = $width;
+    $new_height = $height;
+
+    if ($max_height > 0 && $new_height > $max_height) {
+        $new_width  = max(round($new_width * $max_height / $new_height), 1);
+        $new_height = $max_height;
+    }
+    if ($max_width > 0 && $new_width > $max_width) {
+        $new_height = max(round($new_height * $max_width / $new_width), 1);
+        $new_width  = $max_width;
+    }
+
+    if ($max_width > 0 && (($max_width - $new_width) % 2) == 1)        // Toleranz bei nur 1 Pixel Unterschied
+        $new_width += 1;
+    if ($max_height > 0 && (($max_height - $new_height) % 2) == 1)        // Toleranz bei nur 1 Pixel Unterschied
+        $new_height += 1;
+
+    $pfad_angepasst = $sportsmanager_joomla_path . "/images/sportsmanager/" . $typ . "/" . $typ_prefix . "I" . $id . "T" . $time . "W" . max($fixed_width, $new_width) . "H" . max($fixed_height, $new_height) . "." . $ext;
+
+    if (!is_file($pfad_angepasst)) {
+        $image = $ext == "png" ? imagecreatefrompng($pfad . $ext) : imagecreatefromjpeg($pfad . $ext);
+        if ($image === false)
+            return null;
+
+        $image_resized = imagecreatetruecolor(max($fixed_width, $new_width), max($fixed_height, $new_height));
+        $color         = $ext == "png" ? imagecolorallocatealpha($image_resized, 0, 0, 0, 127) : imagecolorallocate($image_resized, 64, 64, 64);
+        imagefill($image_resized, 0, 0, $color);
+        imagecopyresampled($image_resized, $image, round((imagesx($image_resized) - $new_width) / 2), round((imagesy($image_resized) - $new_height) / 2), 0, 0, $new_width, $new_height, $width, $height);
+        if ($ext == "png") {
+            imagesavealpha($image_resized, true);
+            imagepng($image_resized, $pfad_angepasst);
+        }
+        else
+            imagejpeg($image_resized, $pfad_angepasst);
+    }
+
+    return $sportsmanager_joomla_url . 'images/sportsmanager/' . $typ . '/' . basename($pfad_angepasst);
+}
+
+/*
+ * #resize=250
+#resize=250,250,blue
+#resize=250,250,blue
+#resize=250,250&sizes=60%,80%,200%
+#resize=250,250,cover&sizes=60%,80%,200%
+#resize=250,250,fill&sizes=60%,80%,200%
+#crop=250,250,center,top
+#crop=250,250
+#crop=250,250,center,bottom
+#crop=250,250,left
+#crop=250,250,right
+ */
+function yoothemeBild($typ, $id, $alternativ, $resize = '', $zusatz = ""): ?string
+{
+    global $sportsmanager_joomla_path;
+
+    $typ_exploded = explode("/", $typ);
+    $typ          = $typ_exploded[0];
+    $typ_prefix   = count($typ_exploded) > 1 ? $typ_exploded[1] : "";
+    $pfad = $sportsmanager_joomla_path . "/images/sportsmanager/" . $typ . "/" . $typ_prefix . $id . ".";
+
+    if (is_file($pfad . "png"))
+        $ext = "png";
+    else if (is_file($pfad . "jpg"))
+        $ext = "jpg";
+    else if (!empty($alternativ)) {
+        $id   = $alternativ;
+        $pfad = $sportsmanager_joomla_path . "/images/sportsmanager/" . $typ . "/" . $typ_prefix . $id . ".";
+        if (is_file($pfad . "png"))
+            $ext = "png";
+        else if (is_file($pfad . "jpg"))
+            $ext = "jpg";
+        else
+            return null;
+    }
+    else
+        return null;
+
+    $bildpfad = "images/sportsmanager/" . $typ . "/" . $typ_prefix . $id . "." . $ext;
+
+    return '<img  class="el-image" data-src="' . $bildpfad . $resize . '" ' . $zusatz . ' uk-img />';
+}
+
+function bildHTML($typ, $id, $fixed_width = 0, $fixed_height = 0, $max_width = 0, $max_height = 0, $zusatz = "", $alternativ = ""): ?string
+{
+    global $sportsmanager_joomla_path;
+    global $sportsmanager_joomla_url;
+
+    $typ_exploded = explode("/", $typ);
+    $typ          = $typ_exploded[0];
+    $typ_prefix   = count($typ_exploded) > 1 ? $typ_exploded[1] : "";
+
+    $pfad = $sportsmanager_joomla_path . "/images/sportsmanager/" . $typ . "/" . $typ_prefix . $id . ".";
+    if (is_file($pfad . "png"))
+        $ext = "png";
+    else if (is_file($pfad . "jpg"))
+        $ext = "jpg";
+    else if (!empty($alternativ)) {
+        $id   = $alternativ;
+        $pfad = $sportsmanager_joomla_path . "/images/sportsmanager/" . $typ . "/" . $typ_prefix . $id . ".";
+        if (is_file($pfad . "png"))
+            $ext = "png";
+        else if (is_file($pfad . "jpg"))
+            $ext = "jpg";
+        else
+            return null;
+    }
+    else
+        return null;
+
+    $time = filemtime($pfad . $ext);
+
+    if ($fixed_width > 0 && $fixed_height > 0) {
+        $pfad_angepasst = $sportsmanager_joomla_path . "/images/sportsmanager/" . $typ . "/" . $typ_prefix . "I" . $id . "T" . $time . "W" . $fixed_width . "H" . $fixed_height . "." . $ext;
+        if (is_file($pfad_angepasst)) {
+            return '<img src="' . $sportsmanager_joomla_url . 'images/sportsmanager/' . $typ . '/' . basename($pfad_angepasst) . '" width="' . $fixed_width . '" height="' . $fixed_height . '" ' . $zusatz . ' />';
+        }
+    }
+
+    $size   = getimagesize($pfad . $ext);
+    $width  = $size[0];
+    $height = $size[1];
+
+    $max_width  = $fixed_width > 0 ? $fixed_width : $max_width;
+    $max_height = $fixed_height > 0 ? $fixed_height : $max_height;
+
+    if (($fixed_width == 0 || $width == $fixed_width) && ($fixed_height == 0 || $height == $fixed_height) && ($fixed_width != 0 || $max_width == 0 || $width <= $max_width) && ($fixed_height != 0 || $max_height == 0 || $height <= $max_height)) {
+        $pfad_angepasst = $sportsmanager_joomla_path . "/images/sportsmanager/" . $typ . "/" . $typ_prefix . "I" . $id . "T" . $time . "W" . $width . "H" . $height . "." . $ext;
+        if (!is_file($pfad_angepasst)) {
+            if (!copy($pfad . $ext, $pfad_angepasst))
+                return null;
+        }
+
+        return '<img src="' . $sportsmanager_joomla_url . 'images/sportsmanager/' . $typ . '/' . basename($pfad_angepasst) . '" width="' . $width . '" height="' . $height . '" ' . $zusatz . ' />';
+    }
+
+    $new_width  = $width;
+    $new_height = $height;
+
+    if ($max_height > 0 && $new_height > $max_height) {
+        $new_width  = max(round($new_width * $max_height / $new_height), 1);
+        $new_height = $max_height;
+    }
+    if ($max_width > 0 && $new_width > $max_width) {
+        $new_height = max(round($new_height * $max_width / $new_width), 1);
+        $new_width  = $max_width;
+    }
+
+    if ($max_width > 0 && (($max_width - $new_width) % 2) == 1)        // Toleranz bei nur 1 Pixel Unterschied
+        $new_width += 1;
+    if ($max_height > 0 && (($max_height - $new_height) % 2) == 1)        // Toleranz bei nur 1 Pixel Unterschied
+        $new_height += 1;
+
+    $pfad_angepasst = $sportsmanager_joomla_path . "/images/sportsmanager/" . $typ . "/" . $typ_prefix . "I" . $id . "T" . $time . "W" . max($fixed_width, $new_width) . "H" . max($fixed_height, $new_height) . "." . $ext;
+
+    if (!is_file($pfad_angepasst)) {
+        $image = $ext == "png" ? imagecreatefrompng($pfad . $ext) : imagecreatefromjpeg($pfad . $ext);
+        if ($image === false)
+            return null;
+
+        $image_resized = imagecreatetruecolor(max($fixed_width, $new_width), max($fixed_height, $new_height));
+        $color         = $ext == "png" ? imagecolorallocatealpha($image_resized, 0, 0, 0, 127) : imagecolorallocate($image_resized, 64, 64, 64);
+        imagefill($image_resized, 0, 0, $color);
+        imagecopyresampled($image_resized, $image, round((imagesx($image_resized) - $new_width) / 2), round((imagesy($image_resized) - $new_height) / 2), 0, 0, $new_width, $new_height, $width, $height);
+        if ($ext == "png") {
+            imagesavealpha($image_resized, true);
+            imagepng($image_resized, $pfad_angepasst);
+        }
+        else
+            imagejpeg($image_resized, $pfad_angepasst);
+    }
+
+    return '<img src="' . $sportsmanager_joomla_url . 'images/sportsmanager/' . $typ . '/' . basename($pfad_angepasst) . '" width="' . max($fixed_width, $new_width) . '" height="' . max($fixed_height, $new_height) . '" ' . $zusatz . ' />';
+}