mirror of
https://github.com/Studio-42/elFinder
synced 2026-06-08 12:37:09 +00:00
nao-pon
114 lines
3.7 KiB
PHP
114 lines
3.7 KiB
PHP
<?php
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/**
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* elFinder Plugin AutoResize
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*
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* Auto resize on file upload.
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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.AutoResize.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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* 'AutoResize' => array(
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* 'enable' => true, // For control by volume driver
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* 'maxWidth' => 1024, // Path to Water mark image
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* 'maxHeight' => 1024, // Margin right pixel
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* 'quality' => 95, // JPEG image save quality
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* 'preserveExif' => false, // Preserve EXIF data (Imagick only)
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* 'forceEffect' => false, // For change quality of small images
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* 'targetType' => IMG_GIF|IMG_JPG|IMG_PNG|IMG_WBMP // Target image formats ( bit-field )
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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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* 'AutoResize' => array(
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* 'enable' => true, // For control by volume driver
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* 'maxWidth' => 1024, // Path to Water mark image
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* 'maxHeight' => 1024, // Margin right pixel
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* 'quality' => 95, // JPEG image save quality
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* 'preserveExif' => false, // Preserve EXIF data (Imagick only)
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* 'forceEffect' => false, // For change quality of small images
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* 'targetType' => IMG_GIF|IMG_JPG|IMG_PNG|IMG_WBMP // Target image formats ( bit-field )
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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 elFinderPluginAutoResize {
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private $opts = array();
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public function __construct($opts) {
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$defaults = array(
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'enable' => true, // For control by volume driver
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'maxWidth' => 1024, // Path to Water mark image
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'maxHeight' => 1024, // Margin right pixel
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'quality' => 95, // JPEG image save quality
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'preserveExif' => false, // Preserve EXIF data (Imagick only)
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'forceEffect' => false, // For change quality of small images
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'targetType' => IMG_GIF|IMG_JPG|IMG_PNG|IMG_WBMP // Target image formats ( bit-field )
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);
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$this->opts = array_merge($defaults, $opts);
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}
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public function onUpLoadPreSave(&$path, &$name, $src, $elfinder, $volume) {
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$opts = $this->opts;
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$volOpts = $volume->getOptionsPlugin('AutoResize');
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if (is_array($volOpts)) {
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$opts = array_merge($this->opts, $volOpts);
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}
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if (! $opts['enable']) {
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return false;
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}
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$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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$imgTypes = array(
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IMAGETYPE_GIF => IMG_GIF,
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IMAGETYPE_JPEG => IMG_JPEG,
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IMAGETYPE_PNG => IMG_PNG,
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IMAGETYPE_BMP => IMG_WBMP,
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IMAGETYPE_WBMP => IMG_WBMP
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);
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if (! isset($imgTypes[$srcImgInfo[2]]) || ! ($opts['targetType'] & $imgTypes[$srcImgInfo[2]])) {
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return false;
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}
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if ($opts['forceEffect'] || $srcImgInfo[0] > $opts['maxWidth'] || $srcImgInfo[1] > $opts['maxHeight']) {
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return $this->resize($volume, $src, $srcImgInfo, $opts['maxWidth'], $opts['maxHeight'], $opts['quality'], $opts['preserveExif']);
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}
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return false;
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}
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private function resize($volume, $src, $srcImgInfo, $maxWidth, $maxHeight, $jpgQuality, $preserveExif) {
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$zoom = min(($maxWidth/$srcImgInfo[0]),($maxHeight/$srcImgInfo[1]));
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$width = round($srcImgInfo[0] * $zoom);
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$height = round($srcImgInfo[1] * $zoom);
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$unenlarge = true;
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return $volume->imageUtil('resize', $src, compact('width', 'height', 'jpgQuality', 'preserveExif', 'unenlarge'));
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}
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}
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