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112 lines
3.2 KiB
112 lines
3.2 KiB
<?php |
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/** |
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* elFinder Plugin AutoRotate |
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* |
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* Auto rotation on file upload of JPEG file by EXIF Orientation. |
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* |
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* ex. binding, configure on connector options |
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* $opts = array( |
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* 'bind' => array( |
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* 'upload.presave' => array( |
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* 'Plugin.AutoRotate.onUpLoadPreSave' |
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* ) |
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* ), |
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* // global configure (optional) |
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* 'plugin' => array( |
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* 'AutoRotate' => array( |
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* 'enable' => true, // For control by volume driver |
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* 'quality' => 95, // JPEG image save quality |
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* 'offDropWith' => null // To disable it if it is dropped with pressing the meta key |
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* // Alt: 8, Ctrl: 4, Meta: 2, Shift: 1 - sum of each value |
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* // In case of using any key, specify it as an array |
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* ) |
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* ), |
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* // each volume configure (optional) |
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* 'roots' => array( |
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* array( |
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* 'driver' => 'LocalFileSystem', |
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* 'path' => '/path/to/files/', |
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* 'URL' => 'http://localhost/to/files/' |
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* 'plugin' => array( |
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* 'AutoRotate' => array( |
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* 'enable' => true, // For control by volume driver |
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* 'quality' => 95, // JPEG image save quality |
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* 'offDropWith' => null // To disable it if it is dropped with pressing the meta key |
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* // Alt: 8, Ctrl: 4, Meta: 2, Shift: 1 - sum of each value |
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* // In case of using any key, specify it as an array |
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* ) |
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* ) |
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* ) |
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* ) |
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* ); |
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* |
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* @package elfinder |
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* @author Naoki Sawada |
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* @license New BSD |
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*/ |
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class elFinderPluginAutoRotate extends elFinderPlugin { |
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public function __construct($opts) { |
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$defaults = array( |
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'enable' => true, // For control by volume driver |
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'quality' => 95, // JPEG image save quality |
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'offDropWith' => null // To disable it if it is dropped with pressing the meta key |
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// Alt: 8, Ctrl: 4, Meta: 2, Shift: 1 - sum of each value |
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// In case of using any key, specify it as an array |
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); |
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$this->opts = array_merge($defaults, $opts); |
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} |
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public function onUpLoadPreSave(&$thash, &$name, $src, $elfinder, $volume) { |
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$opts = $this->getCurrentOpts($volume); |
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if (! $this->iaEnabled($opts)) { |
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return false; |
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} |
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$mime = mime_content_type($src); |
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if (substr($mime, 0, 5) !== 'image') { |
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return false; |
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} |
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$srcImgInfo = getimagesize($src); |
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if ($srcImgInfo === false) { |
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return false; |
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} |
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// check target image type |
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if ($srcImgInfo[2] !== IMAGETYPE_JPEG) { |
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return false; |
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} |
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return $this->rotate($volume, $src, $srcImgInfo, $opts['quality']); |
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} |
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private function rotate($volume, $src, $srcImgInfo, $quality) { |
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if (! function_exists('exif_read_data')) { |
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return false; |
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} |
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$degree = 0; |
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$exif = exif_read_data($src); |
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if($exif && !empty($exif['Orientation'])) { |
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switch($exif['Orientation']) { |
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case 8: |
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$degree = 270; |
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break; |
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case 3: |
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$degree = 180; |
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break; |
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case 6: |
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$degree = 90; |
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break; |
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} |
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} |
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$opts = array( |
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'degree' => $degree, |
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'jpgQuality' => $quality |
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); |
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return $volume->imageUtil('rotate', $src, $opts); |
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} |
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}
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