Файловый менеджер

Файловый менеджер - Редактировать - /var/www/iplanru/data/old/www/i-plan.ru/administrator/components/com_atomicongallery/helpers/image.php

Назад
<?php /* MOS Intruder Alerts / defined('_JEXEC') or die(); class imageHelper{ /* @var object image manipulation lib, sepecific to library / var $_lib = null; function renderLibs($name = 'imagelib', $selected_value = null) { $value = ""; $libs = imageHelper::getLibs(true); if(count($libs) > 1) { return JHTML::_('select.genericlist', $libs, 'imagelib', '', 'value', 'text', $selected_value ); } else if (count($libs) == 1) { $value = $libs[0]->value; return '<input type="hidden" name="' . $name . '" id="' . $name . '" value="' . $value . '">' . htmlspecialchars($value = $libs[0]->value) . PHP_EOL; } return ''; } / $libs = imageHelper::getLibs(); echo JHTML::_('select.genericlist', $libs, 'imagelib', '', 'value', 'text', $this->params->get('imagelib') ); / function getLibs($select_option = true) { $libs = array(); $gds = imageHelper::_testGD(); foreach ($gds as $key=>$val) { $libs[] = $select_option ? JHTML::_('select.option',$key, $val) : $val; } $im = imageHelper::_testImagemagick(); foreach ($im as $key=>$val) { $libs[] = $select_option ? JHTML::_('select.option',$key, $val) : $val; } return $libs; } /* * load in the correct image library * * @param string image lib to load * @return object image lib / function loadLib( $lib ) { $class = "image" . $lib; if (class_exists( $class )) { return new $class(); } else { return JError::raiseError( 500, "can't load class: $class" ); } } function _testGD() { $gd = array(); $GDfuncList = get_extension_funcs('gd'); ob_start(); @phpinfo(INFO_MODULES); $output=ob_get_contents(); ob_end_clean(); $matches[1]=''; if (preg_match( "/GD Version[ \t](<[^>]+>[ \t])+([^<>]+)/s", $output, $matches )) { $gdversion = $matches[2]; } if (function_exists('imagecreatetruecolor') && function_exists('imagecreatefromjpeg')) { $gd['gd2'] = "GD: " . $gdversion; } elseif (function_exists('imagecreatefromjpeg')) { $gd['gd1'] = "GD: " . $gdversion; } return $gd; } function _testImagemagick() { if (function_exists("NewMagickWand")) { $im["IM"] = "Magick wand"; } else { $output = array(); $status = null; @exec('convert -version', $output, $status); $im = array(); if (!$status && is_array($output) && isset($output[0])) { if (preg_match( "/imagemagick[ \t]+([0-9\.]+)/i",$output[0],$matches )) $im["IM"] = $matches[0] ; } unset($output, $status); } return $im; } } class image{ var $_thumbPath = null; /@var object storage class file/amazons3 etc/ var $storage = null; /** * set the filesystem storage manager * @param object $storage / function setStorage( &$storage ) { $this->storage =& $storage; } function GetImgType( $filename ) { $info = getimagesize( $filename ); switch ($info[2]) { case 1: return "gif"; break; case 2: return "jpg"; break; case 3: return "png"; break; default: return false; } } function resize( $maxWidth, $maxHeight, $origFile, $destFile ) { echo "this should be overwritten in the library class"; } } class imageGD extends image{ /* * resize an image to a specific width/height using standard php gd graphics lib * @param int maximum image Width (px) * @param int maximum image Height (px) * @param string current images folder pathe (must have trailing end slash) * @param string destination folder path for resized image (must have trailing end slash) * @param string file name of the image to resize * @param bol save the resized image * @return object? image * / function resize( $maxWidth, $maxHeight, $origFile, $destFile ) { / check if the file exists/ if (!$this->storage->exists( $origFile )) { return JError::raiseError(500, "no file found for $origFile"); } / Load image/ $img = null; $ext = strtolower(end(explode('.', $origFile))); if ($ext == 'jpg' \|\| $ext == 'jpeg') { $img = @imagecreatefromjpeg($origFile); $header = "image/jpeg"; } else if ($ext == 'png') { $img = @imagecreatefrompng($origFile); $header = "image/png"; / Only if your version of GD includes GIF support/ } else if ($ext == 'gif') { if (function_exists( imagecreatefromgif )) { $img = @imagecreatefromgif( $origFile ); $header = "image/gif"; } else { return JError::raiseWarning(21,"imagecreate from gif not available"); } } / If an image was successfully loaded, test the image for size/ if ($img) { / Get image size and scale ratio/ $width = imagesx($img); $height = imagesy($img); $scale = min( $maxWidth / $width, $maxHeight / $height ); / If the image is larger than the max shrink it/ if ($scale < 1) { $new_width = floor( $scale $width ); $new_height = floor( $scale * $height ); /* Create a new temporary image/ $tmp_img = imagecreatetruecolor( $new_width, $new_height ); / Copy and resize old image into new image/ imagecopyresampled( $tmp_img, $img, 0, 0, 0, 0, $new_width, $new_height, $width, $height ); imagedestroy( $img ); $img = $tmp_img; } } / Create error image if necessary/ if (!$img) { return JError::raiseWarning( 21, "resize: no image created for $origFile, extension = $ext, destination = $destFile "); } / save the file / if ($header == "image/jpeg") { ob_start(); imagejpeg( $img, "", 100 ); $image = ob_get_contents(); ob_end_clean(); $this->storage->write( $destFile, $image ); //imagejpeg($img, $destFile); } else { if ($header == "image/png") { //imagepng($img, $destFile); ob_start(); imagepng( $img, "", 0 ); $image = ob_get_contents(); ob_end_clean(); $this->storage->write( $destFile, $image ); } else { / imagegif($img);/ if (function_exists("imagegif")) { ob_start(); imagegif( $img, "", 100 ); $image = ob_get_contents(); ob_end_clean(); $this->storage->write( $destFile, $image ); } else { / try using imagemagick to convert gif to png:/ $image_file = imgkConvertImage( $image_file,$baseDir,$destDir, ".png" ); } } } $this->_thumbPath = $destFile; } } class imageGD2 extends image{ /* * resize an image to a specific width/height using standard php gd graphics lib * @param int maximum image Width (px) * @param int maximum image Height (px) * @param string current images folder pathe (must have trailing end slash) * @param string destination folder path for resized image (must have trailing end slash) * @param string file name of the image to resize * @param bol save the resized image * @return object? image * / function resize( $maxWidth, $maxHeight, $origFile, $destFile ) { / check if the file exists/ if (!$this->storage->exists( $origFile )) { return JError::raiseError(500, "no file found for $origFile"); } / Load image/ $img = null; $ext = $this->GetImgType( $origFile ); if(!$ext){ return; } ini_set( 'display_errors', true ); $memory = ini_get('memory_limit'); $intmemory = rtrim( $memory, 'M' ); if ($intmemory < 50) { ini_set( 'memory_limit', '50M' ); } if ($ext == 'jpg' \|\| $ext == 'jpeg') { $img = imagecreatefromjpeg($origFile); $header = "image/jpeg"; } else if ($ext == 'png') { $img = imagecreatefrompng($origFile); $header = "image/png"; / Only if your version of GD includes GIF support/ } else if ($ext == 'gif') { if (function_exists( 'imagecreatefromgif' )) { $img = imagecreatefromgif($origFile); $header = "image/gif"; } else { JError::raiseWarning(21, "imagecreate from gif not available"); } } / If an image was successfully loaded, test the image for size/ if ($img) { / Get image size and scale ratio/ $width = imagesx($img); $height = imagesy($img); $scale = min($maxWidth / $width, $maxHeight / $height); / If the image is larger than the max shrink it/ if ($scale < 1) { $new_width = floor($scale $width); $new_height = floor($scale * $height); /* Create a new temporary image/ $tmp_img = imagecreatetruecolor($new_width, $new_height); / Copy and resize old image into new image/ imagecopyresampled($tmp_img, $img, 0, 0, 0, 0, $new_width, $new_height, $width, $height); imagedestroy($img); $img = $tmp_img; } } if (!$img) { JError::raiseWarning(21, "no image created for $origFile, extension = $ext , destination = $destFile "); } / save the file * wite them out to output buffer first so that we can use JFile to write them to the server (potential using J ftp layer) / if ($header == "image/jpeg") { ob_start(); imagejpeg($img, "", 100); $image = ob_get_contents(); ob_end_clean(); $this->storage->write( $destFile, $image ); } else { if ($header == "image/png") { ob_start(); imagepng($img, "", 0); $image = ob_get_contents(); ob_end_clean(); $this->storage->write( $destFile, $image ); } else { if (function_exists("imagegif")) { ob_start(); imagegif($img, "", 100); $image = ob_get_contents(); ob_end_clean(); $this->storage->write( $destFile, $image ); } else { / try using imagemagick to convert gif to png:/ $image_file = imgkConvertImage( $image_file, $baseDir, $destDir, ".png" ); } } } $this->_thumbPath = $destFile; ini_set('memory_limit', $memory); } } class imageIM extends image{ var $imageMagickDir = '/usr/local/bin/'; function imageIM(){ } /* * resize an image to a specific width/height using imagemagick * you cant set the quality of the resized image * @param int maximum image Width (px) * @param int maximum image Height (px) * @param string full path of image to resize * @param string full file path to save resized image to * @return string output from image magick command / function resize($maxWidth, $maxHeight, $origFile, $destFile ){ $ext = $this->GetImgType( $origFile ); if (!$ext) { //false so not an image type so cant resize return; } ini_set( 'display_errors', true ); //see if the imagick image lib is installed if (class_exists( 'Imagick' )) { $im = new Imagick(); / Read the image file / $im->readImage( $origFile ); / Thumbnail the image ( width 100, preserve dimensions ) / $im->thumbnailImage( $maxWidth, $maxHeight, true ); / Write the thumbail to disk / $im->writeImage( $destFile ); / Free resources associated to the Imagick object */ $im->destroy(); } else { $resource = NewMagickWand(); if (!MagickReadImage( $resource, $origFile )) { echo "ERROR!"; print_r(MagickGetException( $resource )); }else{ } $resource = MagickTransformImage( $resource, '0x0', $maxWidth . 'x' . $maxWidth ); $this->_thumbPath = $destFile; MagickWriteImage( $resource, $destFile ); } } } ?>

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