Edit File by line

<?php

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/**

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* elFinder Plugin Watermark

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* Print watermark on file upload.

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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.Watermark.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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* 'Watermark' => array(

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* 'enable' => true, // For control by volume driver

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* 'source' => 'logo.png', // Path to Water mark image

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* 'ratio' => 0.2, // Ratio to original image (ratio > 0 and ratio <= 1)

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* 'position' => 'RB', // Position L(eft)/C(enter)/R(ight) and T(op)/M(edium)/B(ottom)

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* 'marginX' => 5, // Margin horizontal pixel

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* 'marginY' => 5, // Margin vertical pixel

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* 'quality' => 95, // JPEG image save quality

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* 'transparency' => 70, // Water mark image transparency ( other than PNG )

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* 'targetType' => IMG_GIF|IMG_JPG|IMG_PNG|IMG_WBMP, // Target image formats ( bit-field )

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* 'targetMinPixel' => 200, // Target image minimum pixel size

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* 'interlace' => IMG_GIF|IMG_JPG, // Set interlacebit image formats ( bit-field )

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* 'offDropWith' => null, // Enabled by default. 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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* 'onDropWith' => null // Disabled by default. To enable 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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* 'Watermark' => array(

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* 'enable' => true, // For control by volume driver

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* 'source' => 'logo.png', // Path to Water mark image

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* 'ratio' => 0.2, // Ratio to original image (ratio > 0 and ratio <= 1)

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* 'position' => 'RB', // Position L(eft)/C(enter)/R(ight) and T(op)/M(edium)/B(ottom)

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* 'marginX' => 5, // Margin horizontal pixel

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* 'marginY' => 5, // Margin vertical pixel

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* 'quality' => 95, // JPEG image save quality

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* 'transparency' => 70, // Water mark image transparency ( other than PNG )

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* 'targetType' => IMG_GIF|IMG_JPG|IMG_PNG|IMG_WBMP, // Target image formats ( bit-field )

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* 'targetMinPixel' => 200, // Target image minimum pixel size

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* 'interlace' => IMG_GIF|IMG_JPG, // Set interlacebit image formats ( bit-field )

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* 'offDropWith' => null, // Enabled by default. 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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* 'onDropWith' => null // Disabled by default. To enable 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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* @package elfinder

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* @author Naoki Sawada

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* @license New BSD

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class elFinderPluginWatermark extends elFinderPlugin

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{

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private $watermarkImgInfo = null;

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public function __construct($opts)

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{

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$defaults = array(

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'enable' => true, // For control by volume driver

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'source' => 'logo.png', // Path to Water mark image

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'ratio' => 0.2, // Ratio to original image (ratio > 0 and ratio <= 1)

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'position' => 'RB', // Position L(eft)/C(enter)/R(ight) and T(op)/M(edium)/B(ottom)

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'marginX' => 5, // Margin horizontal pixel

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'marginY' => 5, // Margin vertical pixel

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'quality' => 95, // JPEG image save quality

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'transparency' => 70, // Water mark image transparency ( other than PNG )

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'targetType' => IMG_GIF | IMG_JPG | IMG_PNG | IMG_WBMP, // Target image formats ( bit-field )

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'targetMinPixel' => 200, // Target image minimum pixel size

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'interlace' => IMG_GIF | IMG_JPG, // Set interlacebit image formats ( bit-field )

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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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'marginRight' => 0, // Deprecated - marginX should be used

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'marginBottom' => 0, // Deprecated - marginY should be used

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'disableWithContentSaveId' => true // Disable on URL upload with post data "contentSaveId"

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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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{

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if (!$src) {

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return false;

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}

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$opts = $this->getCurrentOpts($volume);

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if (!$this->iaEnabled($opts, $elfinder)) {

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return false;

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}

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$imageType = null;

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$srcImgInfo = null;

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if (extension_loaded('fileinfo') && function_exists('mime_content_type')) {

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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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}

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if (extension_loaded('exif') && function_exists('exif_imagetype')) {

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$imageType = exif_imagetype($src);

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if ($imageType === false) {

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return false;

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}

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} else {

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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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$imageType = $srcImgInfo[2];

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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($imgTypes[$imageType]) || !($opts['targetType'] & $imgTypes[$imageType])) {

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return false;

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}

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// check Animation Gif

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if ($imageType === IMAGETYPE_GIF && elFinder::isAnimationGif($src)) {

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return false;

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}

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// check Animation Png

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if ($imageType === IMAGETYPE_PNG && elFinder::isAnimationPng($src)) {

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return false;

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}

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// check water mark image

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if (!file_exists($opts['source'])) {

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$opts['source'] = dirname(__FILE__) . "/" . $opts['source'];

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}

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if (is_readable($opts['source'])) {

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$watermarkImgInfo = getimagesize($opts['source']);

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if (!$watermarkImgInfo) {

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return false;

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}

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} else {

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return false;

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}

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if (!$srcImgInfo) {

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$srcImgInfo = getimagesize($src);

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}

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$watermark = $opts['source'];

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$quality = $opts['quality'];

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$transparency = $opts['transparency'];

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// check target image size

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if ($opts['targetMinPixel'] > 0 && $opts['targetMinPixel'] > min($srcImgInfo[0], $srcImgInfo[1])) {

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return false;

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}

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$watermark_width = $watermarkImgInfo[0];

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$watermark_height = $watermarkImgInfo[1];

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// Specified as a ratio to the image size

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if ($opts['ratio'] && $opts['ratio'] > 0 && $opts['ratio'] <= 1) {

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$maxW = $srcImgInfo[0] * $opts['ratio'] - ($opts['marginX'] * 2);

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$maxH = $srcImgInfo[1] * $opts['ratio'] - ($opts['marginY'] * 2);

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$dx = $dy = 0;

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if (($maxW >= $watermarkImgInfo[0] && $maxH >= $watermarkImgInfo[0]) || ($maxW <= $watermarkImgInfo[0] && $maxH <= $watermarkImgInfo[0])) {

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$dx = abs($srcImgInfo[0] - $watermarkImgInfo[0]);

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$dy = abs($srcImgInfo[1] - $watermarkImgInfo[1]);

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} else if ($maxW < $watermarkImgInfo[0]) {

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$dx = -1;

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} else {

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$dy = -1;

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}

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if ($dx < $dy) {

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$ww = $maxW;

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$wh = $watermarkImgInfo[1] * ($ww / $watermarkImgInfo[0]);

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} else {

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$wh = $maxH;

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$ww = $watermarkImgInfo[0] * ($wh / $watermarkImgInfo[1]);

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}

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$watermarkImgInfo[0] = $ww;

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$watermarkImgInfo[1] = $wh;

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} else {

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$opts['ratio'] = null;

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}

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$opts['position'] = strtoupper($opts['position']);

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// Set vertical position

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if (strpos($opts['position'], 'T') !== false) {

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// Top

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$dest_x = $opts['marginX'];

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} else if (strpos($opts['position'], 'M') !== false) {

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// Middle

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$dest_x = ($srcImgInfo[0] - $watermarkImgInfo[0]) / 2;

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} else {

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// Bottom

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$dest_x = $srcImgInfo[0] - $watermarkImgInfo[0] - max($opts['marginBottom'], $opts['marginX']);

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}

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// Set horizontal position

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if (strpos($opts['position'], 'L') !== false) {

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// Left

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$dest_y = $opts['marginY'];

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} else if (strpos($opts['position'], 'C') !== false) {

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// Middle

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$dest_y = ($srcImgInfo[1] - $watermarkImgInfo[1]) / 2;

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} else {

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// Right

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$dest_y = $srcImgInfo[1] - $watermarkImgInfo[1] - max($opts['marginRight'], $opts['marginY']);

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}

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// check interlace

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$opts['interlace'] = ($opts['interlace'] & $imgTypes[$imageType]);

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// Repeated use of Imagick::compositeImage() may cause PHP to hang, so disable it

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//if (class_exists('Imagick', false)) {

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// return $this->watermarkPrint_imagick($src, $watermark, $dest_x, $dest_y, $quality, $transparency, $watermarkImgInfo, $opts);

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//} else {

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elFinder::expandMemoryForGD(array($watermarkImgInfo, $srcImgInfo));

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return $this->watermarkPrint_gd($src, $watermark, $dest_x, $dest_y, $quality, $transparency, $watermarkImgInfo, $srcImgInfo, $opts);

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//}

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}

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private function watermarkPrint_imagick($src, $watermarkSrc, $dest_x, $dest_y, $quality, $transparency, $watermarkImgInfo, $opts)

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{

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try {

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// Open the original image

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$img = new Imagick($src);

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// Open the watermark

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$watermark = new Imagick($watermarkSrc);

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// zoom

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if ($opts['ratio']) {

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$watermark->scaleImage($watermarkImgInfo[0], $watermarkImgInfo[1]);

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}

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// Set transparency

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if (strtoupper($watermark->getImageFormat()) !== 'PNG') {

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$watermark->setImageOpacity($transparency / 100);

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}

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// Overlay the watermark on the original image

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$img->compositeImage($watermark, imagick::COMPOSITE_OVER, $dest_x, $dest_y);

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// Set quality

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if (strtoupper($img->getImageFormat()) === 'JPEG') {

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$img->setImageCompression(imagick::COMPRESSION_JPEG);

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$img->setCompressionQuality($quality);

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}

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// set interlace

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$opts['interlace'] && $img->setInterlaceScheme(Imagick::INTERLACE_PLANE);

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$result = $img->writeImage($src);

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$img->clear();

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$img->destroy();

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$watermark->clear();

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$watermark->destroy();

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return $result ? true : false;

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} catch (Exception $e) {

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$ermsg = $e->getMessage();

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$ermsg && trigger_error($ermsg);

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return false;

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}

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}

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private function watermarkPrint_gd($src, $watermark, $dest_x, $dest_y, $quality, $transparency, $watermarkImgInfo, $srcImgInfo, $opts)

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{

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$watermark_width = $watermarkImgInfo[0];

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$watermark_height = $watermarkImgInfo[1];

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$ermsg = '';

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switch ($watermarkImgInfo['mime']) {

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case 'image/gif':

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if (imagetypes() & IMG_GIF) {

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$oWatermarkImg = imagecreatefromgif($watermark);

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} else {

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$ermsg = 'GIF images are not supported as watermark image';

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}

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break;

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case 'image/jpeg':

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if (imagetypes() & IMG_JPG) {

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$oWatermarkImg = imagecreatefromjpeg($watermark);

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} else {

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$ermsg = 'JPEG images are not supported as watermark image';

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}

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break;

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case 'image/png':

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if (imagetypes() & IMG_PNG) {

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$oWatermarkImg = imagecreatefrompng($watermark);

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} else {

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$ermsg = 'PNG images are not supported as watermark image';

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}

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break;

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case 'image/wbmp':

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if (imagetypes() & IMG_WBMP) {

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$oWatermarkImg = imagecreatefromwbmp($watermark);

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} else {

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$ermsg = 'WBMP images are not supported as watermark image';

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}

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break;

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default:

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$oWatermarkImg = false;

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$ermsg = $watermarkImgInfo['mime'] . ' images are not supported as watermark image';

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break;

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}

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if (!$ermsg) {

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// zoom

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if ($opts['ratio']) {

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$tmpImg = imagecreatetruecolor($watermarkImgInfo[0], $watermarkImgInfo[1]);

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imagealphablending($tmpImg, false);

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imagesavealpha($tmpImg, true);

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imagecopyresampled($tmpImg, $oWatermarkImg, 0, 0, 0, 0, $watermarkImgInfo[0], $watermarkImgInfo[1], imagesx($oWatermarkImg), imagesy($oWatermarkImg));

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imageDestroy($oWatermarkImg);

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$oWatermarkImg = $tmpImg;

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$tmpImg = null;

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}

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switch ($srcImgInfo['mime']) {

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case 'image/gif':

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if (imagetypes() & IMG_GIF) {

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$oSrcImg = imagecreatefromgif($src);

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} else {

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$ermsg = 'GIF images are not supported as source image';

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}

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break;

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case 'image/jpeg':

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if (imagetypes() & IMG_JPG) {

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$oSrcImg = imagecreatefromjpeg($src);

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} else {

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$ermsg = 'JPEG images are not supported as source image';

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}

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break;

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case 'image/png':

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if (imagetypes() & IMG_PNG) {

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$oSrcImg = imagecreatefrompng($src);

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} else {

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$ermsg = 'PNG images are not supported as source image';

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}

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break;

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case 'image/wbmp':

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if (imagetypes() & IMG_WBMP) {

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$oSrcImg = imagecreatefromwbmp($src);

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} else {

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$ermsg = 'WBMP images are not supported as source image';

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}

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break;

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default:

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$oSrcImg = false;

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$ermsg = $srcImgInfo['mime'] . ' images are not supported as source image';

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break;

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}

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}

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if ($ermsg || false === $oSrcImg || false === $oWatermarkImg) {

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$ermsg && trigger_error($ermsg);

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return false;

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}

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if ($srcImgInfo['mime'] === 'image/png') {

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if (function_exists('imagecolorallocatealpha')) {

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$bg = imagecolorallocatealpha($oSrcImg, 255, 255, 255, 127);

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imagefill($oSrcImg, 0, 0, $bg);

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}

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}

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if ($watermarkImgInfo['mime'] === 'image/png') {

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imagecopy($oSrcImg, $oWatermarkImg, $dest_x, $dest_y, 0, 0, $watermark_width, $watermark_height);

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} else {

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imagecopymerge($oSrcImg, $oWatermarkImg, $dest_x, $dest_y, 0, 0, $watermark_width, $watermark_height, $transparency);

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}

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// set interlace

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$opts['interlace'] && imageinterlace($oSrcImg, true);

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switch ($srcImgInfo['mime']) {

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case 'image/gif':

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imagegif($oSrcImg, $src);

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break;

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case 'image/jpeg':

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imagejpeg($oSrcImg, $src, $quality);

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break;

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case 'image/png':

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if (function_exists('imagesavealpha') && function_exists('imagealphablending')) {

[415] Fix | Delete

imagealphablending($oSrcImg, false);

[416] Fix | Delete

imagesavealpha($oSrcImg, true);

[417] Fix | Delete

}

[418] Fix | Delete

imagepng($oSrcImg, $src);

[419] Fix | Delete

break;

[420] Fix | Delete

case 'image/wbmp':

[421] Fix | Delete

imagewbmp($oSrcImg, $src);

[422] Fix | Delete

break;

[423] Fix | Delete

}

[424] Fix | Delete

[425] Fix | Delete

imageDestroy($oSrcImg);

[426] Fix | Delete

imageDestroy($oWatermarkImg);

[427] Fix | Delete

[428] Fix | Delete

return true;

[429] Fix | Delete

}

[430] Fix | Delete

}

[431] Fix | Delete

[432] Fix | Delete