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Move Object\Image static methods to Util\Images
Move Object\Image static methods to Util\Images
- Optimize imports in modified filespull/7798/head
15 changed files with 322 additions and 217 deletions
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17include/api.php
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4mod/fbrowser.php
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7mod/photos.php
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8mod/wall_upload.php
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7src/Content/Text/BBCode.php
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4src/Core/Installer.php
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3src/Model/Contact.php
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6src/Model/Photo.php
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3src/Model/User.php
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205src/Object/Image.php
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26src/Protocol/ActivityPub/Transmitter.php
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3src/Protocol/DFRN.php
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5src/Protocol/OStatus.php
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236src/Util/Images.php
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5src/Util/ParseUrl.php
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<?php |
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namespace Friendica\Util; |
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use Friendica\BaseObject; |
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use Friendica\Core\Cache; |
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use Friendica\Core\Logger; |
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use Friendica\Core\System; |
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use Imagick; |
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/** |
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* Image utilities |
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*/ |
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class Images |
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{ |
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/** |
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* Maps Mime types to Imagick formats |
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* |
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* @return array |
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*/ |
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public static function getFormatsMap() |
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{ |
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$m = [ |
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'image/jpeg' => 'JPG', |
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'image/png' => 'PNG', |
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'image/gif' => 'GIF' |
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]; |
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return $m; |
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} |
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/** |
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* Returns supported image mimetypes and corresponding file extensions |
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* |
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* @return array |
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*/ |
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public static function supportedTypes() |
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{ |
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$types = [ |
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'image/jpeg' => 'jpg' |
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]; |
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if (class_exists('Imagick')) { |
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// Imagick::queryFormats won't help us a lot there...
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// At least, not yet, other parts of friendica uses this array
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$types += [ |
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'image/png' => 'png', |
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'image/gif' => 'gif' |
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]; |
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} elseif (imagetypes() & IMG_PNG) { |
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$types += [ |
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'image/png' => 'png' |
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]; |
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} |
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return $types; |
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} |
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/** |
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* Guess image mimetype from filename or from Content-Type header |
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* |
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* @param string $filename Image filename |
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* @param boolean $fromcurl Check Content-Type header from curl request |
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* @param string $header passed headers to take into account |
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* |
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* @return string|null |
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* @throws \Exception |
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*/ |
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public static function guessType($filename, $fromcurl = false, $header = '') |
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{ |
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Logger::info('Image: guessType: ' . $filename . ($fromcurl ? ' from curl headers' : '')); |
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$type = null; |
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if ($fromcurl) { |
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$headers = []; |
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$h = explode("\n", $header); |
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foreach ($h as $l) { |
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$data = array_map("trim", explode(":", trim($l), 2)); |
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if (count($data) > 1) { |
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list($k, $v) = $data; |
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$headers[$k] = $v; |
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} |
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} |
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if (array_key_exists('Content-Type', $headers)) { |
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$type = $headers['Content-Type']; |
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} |
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} |
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if (is_null($type)) { |
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// Guessing from extension? Isn't that... dangerous?
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if (class_exists('Imagick') && file_exists($filename) && is_readable($filename)) { |
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/** |
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* Well, this not much better, |
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* but at least it comes from the data inside the image, |
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* we won't be tricked by a manipulated extension |
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*/ |
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$image = new Imagick($filename); |
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$type = $image->getImageMimeType(); |
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} else { |
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$ext = pathinfo($filename, PATHINFO_EXTENSION); |
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$types = self::supportedTypes(); |
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$type = 'image/jpeg'; |
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foreach ($types as $m => $e) { |
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if ($ext == $e) { |
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$type = $m; |
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} |
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} |
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} |
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} |
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Logger::info('Image: guessType: type=' . $type); |
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return $type; |
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} |
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/** |
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* @param string $url |
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* @return array |
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException |
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*/ |
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public static function getInfoFromURLCached($url) |
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{ |
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$data = []; |
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if (empty($url)) { |
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return $data; |
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} |
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$data = Cache::get($url); |
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if (empty($data) || !is_array($data)) { |
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$data = self::getInfoFromURL($url); |
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Cache::set($url, $data); |
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} |
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return $data; |
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} |
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/** |
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* @param string $url |
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* @return array |
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException |
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*/ |
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public static function getInfoFromURL($url) |
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{ |
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$data = []; |
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if (empty($url)) { |
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return $data; |
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} |
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$img_str = Network::fetchUrl($url, true, 4); |
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if (!$img_str) { |
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return []; |
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} |
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$filesize = strlen($img_str); |
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try { |
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if (function_exists("getimagesizefromstring")) { |
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$data = @getimagesizefromstring($img_str); |
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} else { |
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$tempfile = tempnam(get_temppath(), "cache"); |
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$stamp1 = microtime(true); |
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file_put_contents($tempfile, $img_str); |
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BaseObject::getApp()->getProfiler()->saveTimestamp($stamp1, "file", System::callstack()); |
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$data = getimagesize($tempfile); |
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unlink($tempfile); |
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} |
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} catch (\Exception $e) { |
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return []; |
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} |
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if ($data) { |
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$data['size'] = $filesize; |
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} |
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return $data; |
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} |
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/** |
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* @param integer $width |
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* @param integer $height |
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* @param integer $max |
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* @return array |
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*/ |
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public static function getScalingDimensions($width, $height, $max) |
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{ |
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if ((!$width) || (!$height)) { |
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return ['width' => 0, 'height' => 0]; |
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} |
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if ($width > $max && $height > $max) { |
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// very tall image (greater than 16:9)
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// constrain the width - let the height float.
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if ((($height * 9) / 16) > $width) { |
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$dest_width = $max; |
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$dest_height = intval(($height * $max) / $width); |
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} elseif ($width > $height) { |
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// else constrain both dimensions
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$dest_width = $max; |
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$dest_height = intval(($height * $max) / $width); |
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} else { |
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$dest_width = intval(($width * $max) / $height); |
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$dest_height = $max; |
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} |
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} else { |
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if ($width > $max) { |
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$dest_width = $max; |
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$dest_height = intval(($height * $max) / $width); |
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} else { |
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if ($height > $max) { |
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// very tall image (greater than 16:9)
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// but width is OK - don't do anything
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if ((($height * 9) / 16) > $width) { |
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$dest_width = $width; |
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$dest_height = $height; |
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} else { |
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$dest_width = intval(($width * $max) / $height); |
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$dest_height = $max; |
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} |
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} else { |
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$dest_width = $width; |
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$dest_height = $height; |
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} |
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} |
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} |
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return ['width' => $dest_width, 'height' => $dest_height]; |
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} |
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} |
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