%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* elFinder Plugin AutoResize
*
* Auto resize on file upload.
*
* ex. binding, configure on connector options
* $opts = array(
* 'bind' => array(
* 'upload.presave' => array(
* 'Plugin.AutoResize.onUpLoadPreSave'
* )
* ),
* // global configure (optional)
* 'plugin' => array(
* 'AutoResize' => array(
* 'enable' => true, // For control by volume driver
* 'maxWidth' => 1024, // Path to Water mark image
* 'maxHeight' => 1024, // Margin right pixel
* 'quality' => 95, // JPEG image save quality
* 'preserveExif' => false, // Preserve EXIF data (Imagick only)
* 'targetType' => IMG_GIF|IMG_JPG|IMG_PNG|IMG_WBMP // Target image formats ( bit-field )
* )
* ),
* // each volume configure (optional)
* 'roots' => array(
* array(
* 'driver' => 'LocalFileSystem',
* 'path' => '/path/to/files/',
* 'URL' => 'http://localhost/to/files/'
* 'plugin' => array(
* 'AutoResize' => array(
* 'enable' => true, // For control by volume driver
* 'maxWidth' => 1024, // Path to Water mark image
* 'maxHeight' => 1024, // Margin right pixel
* 'quality' => 95, // JPEG image save quality
* 'preserveExif' => false, // Preserve EXIF data (Imagick only)
* 'targetType' => IMG_GIF|IMG_JPG|IMG_PNG|IMG_WBMP // Target image formats ( bit-field )
* )
* )
* )
* )
* );
*
* @package elfinder
* @author Naoki Sawada
* @license New BSD
*/
class elFinderPluginAutoResize {
private $opts = array();
public function __construct($opts) {
$defaults = array(
'enable' => true, // For control by volume driver
'maxWidth' => 1024, // Path to Water mark image
'maxHeight' => 1024, // Margin right pixel
'quality' => 95, // JPEG image save quality
'preserveExif' => false, // Preserve EXIF data (Imagick only)
'targetType' => IMG_GIF|IMG_JPG|IMG_PNG|IMG_WBMP // Target image formats ( bit-field )
);
$this->opts = array_merge($defaults, $opts);
}
public function onUpLoadPreSave(&$path, &$name, $src, $elfinder, $volume) {
$opts = $this->opts;
$volOpts = $volume->getOptionsPlugin('AutoResize');
if (is_array($volOpts)) {
$opts = array_merge($this->opts, $volOpts);
}
if (! $opts['enable']) {
return false;
}
$srcImgInfo = getimagesize($src);
if ($srcImgInfo === false) {
return false;
}
// check target image type
$imgTypes = array(
IMAGETYPE_GIF => IMG_GIF,
IMAGETYPE_JPEG => IMG_JPEG,
IMAGETYPE_PNG => IMG_PNG,
IMAGETYPE_BMP => IMG_WBMP,
IMAGETYPE_WBMP => IMG_WBMP
);
if (! ($opts['targetType'] & $imgTypes[$srcImgInfo[2]])) {
return false;
}
if ($srcImgInfo[0] > $opts['maxWidth'] || $srcImgInfo[1] > $opts['maxHeight']) {
return $this->resize($volume, $src, $srcImgInfo, $opts['maxWidth'], $opts['maxHeight'], $opts['quality'], $opts['preserveExif']);
}
return false;
}
private function resize($volume, $src, $srcImgInfo, $maxWidth, $maxHeight, $jpgQuality, $preserveExif) {
$zoom = min(($maxWidth/$srcImgInfo[0]),($maxHeight/$srcImgInfo[1]));
$width = round($srcImgInfo[0] * $zoom);
$height = round($srcImgInfo[1] * $zoom);
return $volume->imageUtil('resize', $src, compact('width', 'height', 'jpgQuality', 'preserveExif'));
}
private function resize_gd($src, $width, $height, $quality, $srcImgInfo) {
switch ($srcImgInfo['mime']) {
case 'image/gif':
if (imagetypes() & IMG_GIF) {
$oSrcImg = imagecreatefromgif($src);
} else {
$ermsg = 'GIF images are not supported';
}
break;
case 'image/jpeg':
if (imagetypes() & IMG_JPG) {
$oSrcImg = imagecreatefromjpeg($src) ;
} else {
$ermsg = 'JPEG images are not supported';
}
break;
case 'image/png':
if (imagetypes() & IMG_PNG) {
$oSrcImg = imagecreatefrompng($src) ;
} else {
$ermsg = 'PNG images are not supported';
}
break;
case 'image/wbmp':
if (imagetypes() & IMG_WBMP) {
$oSrcImg = imagecreatefromwbmp($src);
} else {
$ermsg = 'WBMP images are not supported';
}
break;
default:
$oSrcImg = false;
$ermsg = $srcImgInfo['mime'].' images are not supported';
break;
}
if ($oSrcImg && false != ($tmp = imagecreatetruecolor($width, $height))) {
if (!imagecopyresampled($tmp, $oSrcImg, 0, 0, 0, 0, $width, $height, $srcImgInfo[0], $srcImgInfo[1])) {
return false;
}
switch ($srcImgInfo['mime']) {
case 'image/gif':
imagegif($tmp, $src);
break;
case 'image/jpeg':
imagejpeg($tmp, $src, $quality);
break;
case 'image/png':
if (function_exists('imagesavealpha') && function_exists('imagealphablending')) {
imagealphablending($tmp, false);
imagesavealpha($tmp, true);
}
imagepng($tmp, $src);
break;
case 'image/wbmp':
imagewbmp($tmp, $src);
break;
}
imagedestroy($oSrcImg);
imagedestroy($tmp);
return true;
}
return false;
}
private function resize_imagick($src, $width, $height, $quality, $preserveExif) {
try {
$img = new imagick($src);
if (strtoupper($img->getImageFormat()) === 'JPEG') {
$img->setImageCompression(imagick::COMPRESSION_JPEG);
$img->setImageCompressionQuality($quality);
if (!$preserveExif) {
try {
$orientation = $img->getImageOrientation();
} catch (ImagickException $e) {
$orientation = 0;
}
$img->stripImage();
if ($orientation) {
$img->setImageOrientation($orientation);
}
}
}
$img->resizeImage($width, $height, Imagick::FILTER_LANCZOS, true);
$result = $img->writeImage($src);
$img->clear();
$img->destroy();
return $result ? true : false;
} catch (Exception $e) {
return false;
}
}
}
Zerion Mini Shell 1.0