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<?php
/**
* @package HikaShop for Joomla!
* @version 6.1.0
* @author hikashop.com
* @copyright (C) 2010-2025 HIKARI SOFTWARE. All rights reserved.
* @license GNU/GPLv3 http://www.gnu.org/licenses/gpl-3.0.html
*/
defined('_JEXEC') or die('Restricted access');
?><?php
if(HIKASHOP_J50 && !class_exists('JProfiler')) {
class JProfiler extends Joomla\CMS\Profiler\Profiler{}
}
class hikashopImageHelper {
public $thumbnail = 1;
public $uploadFolder_url = null;
public $uploadFolder_url_thumb = null;
public $uploadFolder = null;
public $thumbnail_x = 100;
public $thumbnail_y = 100;
public $main_uploadFolder_url = null;
public $main_uploadFolder = null;
public $main_thumbnail_x = null;
public $main_thumbnail_y = null;
public $width = null;
public $height = null;
public $override = false;
protected $image_mode = null;
public function __construct() {
$app = JFactory::getApplication();
$config =& hikashop_config();
$uploadFolder = ltrim(JPath::clean(html_entity_decode($config->get('uploadfolder'))),DS);
$uploadFolder = rtrim($uploadFolder,DS).DS;
$this->uploadFolder_url = str_replace(DS,'/',$uploadFolder);
$this->uploadFolder = JPATH_ROOT.DS.$uploadFolder;
if(hikashop_isClient('administrator')) {
$this->uploadFolder_url = '../'.$this->uploadFolder_url;
}else{
$this->uploadFolder_url = rtrim(JURI::base(true),'/').'/'.$this->uploadFolder_url;
}
$this->main_uploadFolder_url = $this->uploadFolder_url;
$this->main_uploadFolder = $this->uploadFolder;
$this->thumbnail = (int)$config->get('thumbnail', 1);
$this->thumbnail_x = (int)$config->get('thumbnail_x', 100);
$this->thumbnail_y = (int)$config->get('thumbnail_y', 100);
$this->main_thumbnail_x = $this->thumbnail_x;
$this->main_thumbnail_y = $this->thumbnail_y;
$this->image_mode = $this->autoDetectMode();
static $override = null;
if($override === null) {
$override = false;
if(!hikashop_isClient('cli') && !empty($app) && method_exists($app, 'getTemplate')) {
try{
$chromePath = JPATH_THEMES.DS.$app->getTemplate().DS.'html'.DS.'hikashop_image.php';
if(file_exists($chromePath)) {
require_once ($chromePath);
$override = true;
}
}catch (Exception $e) {
}
}
}
$this->override = $override;
}
private function autoDetectMode() {
static $lib = null;
if($lib !== null)
return $lib;
if(extension_loaded('gd')) {
$lib = 'GD';
return $lib;
}
$app = JFactory::getApplication();
if(hikashop_isClient('administrator')) {
$app->enqueueMessage('The PHP GD extension could not be found. Thus, it is impossible to generate thumbnails in PHP from your images. If you want HikaShop to generate thumbnails you need to install/activate GD or ask your hosting company to do so.');
}
$lib = false;
return false;
}
public function getPath($file_path, $url = true) {
if($url)
return $this->uploadFolder_url . $file_path;
return $this->uploadFolder . $file_path;
}
public function getFileExtension($filename) {
return strtolower(substr($filename, strrpos($filename, '.') + 1));
}
public function getDefaultImage() {
jimport('joomla.filesystem.file');
$config = hikashop_config();
$path = $config->get('default_image');
$file_path = HIKASHOP_MEDIA.'images'.DS.'barcode.png';
if(!empty($path) && is_file($this->main_uploadFolder . $path))
$file_path = $this->main_uploadFolder . $path;
return $file_path;
}
public function checkSize(&$width, &$height, &$fileObj) {
jimport('joomla.filesystem.file');
if(!empty($fileObj->file_path) && is_file($this->main_uploadFolder . $fileObj->file_path)) {
$file_path = $this->main_uploadFolder . $fileObj->file_path;
} else {
$file_path = $this->getDefaultImage();
}
if(empty($file_path))
return;
list($f_w, $f_h) = @getimagesize($file_path);
if(empty($width)) {
if($f_h >= $height)
list($width, $height) = $this->scaleImage($f_w, $f_h, 0, $height);
else
$width = $this->main_thumbnail_x;
}
if(empty($height)) {
if($f_w >= $width)
list($width, $height) = $this->scaleImage($f_w, $f_h, $width, 0);
else
$height = $this->main_thumbnail_y;
}
}
public function scaleImage($x, $y, $cx, $cy, $scaleMode = 'inside') {
if(empty($cx)) $cx = 9999;
if(empty($cy)) $cy = 9999;
if($x < $cx && $y < $cy)
return false;
if($x > 0) $rx = $cx / $x;
if($y > 0) $ry = $cy / $y;
switch($scaleMode) {
case 'outside':
$r = ($rx > $ry) ? $rx : $ry;
break;
case 'inside':
default:
$r = ($rx > $ry) ? $ry : $rx;
break;
}
$x = intval($x * $r);
$y = intval($y * $r);
return array($x, $y);
}
protected function _checkImage($path) {
if(empty($path))
return false;
jimport('joomla.filesystem.file');
return is_file($path);
}
protected function getMemoryLimit() {
static $memory_limit = null;
if($memory_limit !== null)
return $memory_limit;
$memory_limit = ini_get('memory_limit');
if(preg_match('/^(\d+)\s*(.)$/', $memory_limit, $matches)) {
$m = array('G' => 1073741824, 'M' => 1048576, 'K' => 1024);
$unit = strtoupper($matches[2]);
if(isset($m[ $unit ]))
$memory_limit = (int)$matches[1] * $m[ $unit ];
else
$memory_limit = 0;
}
$memory_limit = (int)$memory_limit;
return $memory_limit;
}
public function getImage($filename, &$extension) {
if(file_exists($filename)) {
$types = array('gif' => 1, 'jpg' => 2, 'jpeg' => 2, 'png' => 3, 'webp' => 18);
$data = @getimagesize($filename);
if(!empty($data) && @$types[$extension] != $data[2]) {
$extension = array_search($data[2], $types);
}
$extension = strtolower(trim($extension));
$res = false;
switch($this->image_mode) {
case 'Imagick':
$res = $this->getImage_Imagick($filename, $extension);
break;
case 'GD':
default:
$res = $this->getImage_GD($filename, $extension);
break;
}
if($res !== false)
return $res;
}
hikashop_writeToLog('Image '. $filename . ' could not be opened when trying to generate its thumbnail');
static $done = false;
$app = JFactory::getApplication();
if(hikashop_isClient('administrator') && !$done) {
$done = true;
$app->enqueueMessage('The '.$this->image_mode.' library for thumbnails creation is installed and activated on your website. However, it is not configured to support "'.$extension.'" images. Please make sure that you\'re using a valid image extension and contact your hosting company or system administrator in order to make sure that the GD library on your web server supports the image extension: '.$extension);
}
}
protected function getImage_GD($filename, &$extension) {
$ret = array();
switch($extension) {
case 'gif':
if(!function_exists('imagecreatefromgif'))
return false;
$ret['res'] = imagecreatefromgif($filename);
if(empty($ret['res'])) {
hikashop_writeToLog('Image '. $filename . ' could not be opened when trying to generate its thumbnail');
return false;
}
$ret['gd_tridx'] = imagecolortransparent($ret['res']);
imagealphablending($ret['res'], false);
imagesavealpha($ret['res'], true);
break;
case 'jpg':
case 'jpeg':
if(!function_exists('imagecreatefromjpeg'))
return false;
$ret['res'] = imagecreatefromjpeg($filename);
break;
case 'webp':
case 'webp':
if(!function_exists('imagecreatefromwebp'))
return false;
$ret['res'] = imagecreatefromwebp($filename);
break;
case 'png':
if(!function_exists('imagecreatefrompng'))
return false;
$ret['res'] = imagecreatefrompng($filename);
if(empty($ret['res'])) {
hikashop_writeToLog('Image '. $filename . ' could not be opened when trying to generate its thumbnail');
return false;
}
$ret['gd_tridx'] = imagecolortransparent($ret['res']);
imagealphablending($ret['res'], false);
imagesavealpha($ret['res'], true);
break;
}
if(empty($ret))
return false;
if(function_exists('exif_read_data')) {
$exif = @exif_read_data($filename);
}
if(empty($exif['Orientation'])) {
if(isset($exif['IFD0']['Orientation']))
$exif['Orientation'] = $exif['IFD0']['Orientation'];
else
$exif = array('Orientation' => 1);
}
$ret['orientation'] = $exif['Orientation'];
$ret['autorotate'] = ($ret['orientation'] != 1);
$ret['ext'] = $extension;
return $ret;
}
protected function getImage_Imagick($filename, &$extension) {
$ret = array();
$ret['res'] = new Imagick($filename);
if(empty($ret['res']))
return false;
$ret['orientation'] = $ret['res']->getImageOrientation();
$ret['autorotate'] = !empty($ret['orientation']) && ($ret['orientation'] != Imagick::ORIENTATION_TOPLEFT);
$ret['ext'] = $extension;
return $ret;
}
public function createThumbRes(&$source, $size, $options = array()) {
if(isset($size['width']))
$size = array('x' => (int)$size['width'], 'y' => (int)$size['height']);
if(!isset($size['x']))
$size = array('x' => (int)$size[0], 'y' => (int)$size[1]);
$res = false;
switch($this->image_mode) {
case 'Imagick':
$res = $this->createThumbRes_Imagick($source, $size, $options);
break;
case 'GD':
default:
$res = $this->createThumbRes_GD($source, $size, $options);
break;
}
if($res !== false)
return $res;
return $res;
}
protected function createThumbRes_Imagick(&$source, $size, $options = array()) {
$ret = clone $source;
$ret['res']->setBackgroundColor(new ImagickPixel('transparent'));
$origin_width = $ret['res']->getImageWidth();
$origin_height = $ret['res']->getImageHeight();
if($options['scale'] == 'outside' ) {
if ($origin_width > $origin_height) {
$resize_w = $origin_width * $new_h / $origin_height;
$resize_h = $new_h;
} else {
$resize_w = $new_w;
$resize_h = $origin_height * $new_w / $origin_width;
}
$ret['res']->cropImage($sx, $sy, ($resize_w - $new_w) / 2, ($resize_h - $new_h) / 2);
} else {
$sx = !empty($options['scaling'][0]) ? $options['scaling'][0] : $size['x'];
$sy = !empty($options['scaling'][1]) ? $options['scaling'][1] : $size['y'];
if(empty($options['forcesize'])) {
if($origin_width < $sx)
$sx = $origin_width;
if($origin_height < $sy)
$sy = $origin_height;
}
$ret['res']->thumbnailImage($sx, $sy, empty($options['forcesize']), false);
}
return $ret;
}
protected function createThumbRes_GD(&$source, $size, $options = array()) {
$ret = array(
'res' => imagecreatetruecolor($size['x'], $size['y'])
);
if($ret['res'] === false)
return false;
$ret['ext'] = $source['ext'];
if(isset($source['gd_tridx'])) {
$ret['gd_tridx'] = $source['gd_tridx'];
$palletSize = imagecolorstotal($source['res']);
if($source['ext'] == 'png') {
imagealphablending($ret['res'], false);
$color = imagecolorallocatealpha($ret['res'], 0, 0, 0, 127);
imagefill($ret['res'], 0, 0, $color);
imagesavealpha($ret['res'], true);
} elseif($source['gd_tridx'] >= 0 && $source['gd_tridx'] < $palletSize) {
$trnprt_color = imagecolorsforindex($source['res'], $source['gd_tridx']);
$color = imagecolorallocate($ret['res'], $trnprt_color['red'], $trnprt_color['green'], $trnprt_color['blue']);
imagecolortransparent($ret['res'], $color);
imagefill($ret['res'], 0, 0, $color);
}
} else {
$bgcolor = $this->GD_getBackgroundColor($ret['res'], @$options['background']);
imagefill($ret['res'], 0, 0, $bgcolor);
}
if(function_exists('imageantialias')) {
imageantialias($ret['res'], true);
}
if(empty($source['res']))
return false;
$origin_width = imagesx($source['res']);
$origin_height = imagesy($source['res']);
$x = 0;
$y = 0;
$sx = !empty($options['scaling'][0]) ? $options['scaling'][0] : $size['x'];
$sy = !empty($options['scaling'][1]) ? $options['scaling'][1] : $size['y'];
if(!empty($options['forcesize'])) {
$x = ($size['x'] - $options['scaling'][0]) / 2;
$y = ($size['y'] - $options['scaling'][1]) / 2;
} else {
if($origin_width < $sx)
$sx = $origin_width;
if($origin_height < $sy)
$sy = $origin_height;
}
if(function_exists('imagecopyresampled')) {
imagecopyresampled($ret['res'], $source['res'], (int)$x, (int)$y, 0, 0, (int)$sx, (int)$sy, (int)$origin_width, (int)$origin_height);
} else {
imagecopyresized($ret['res'], $source['res'], (int)$x, (int)$y, 0, 0, (int)$sx, (int)$sy, (int)$origin_width, (int)$origin_height);
}
return $ret;
}
public function setResFilter(&$res, $filter, $options = null) {
switch($this->image_mode) {
case 'Imagick':
return $this->setResFilter_Imagick($res, $filter, $options);
case 'GD':
default:
return $this->setResFilter_GD($res, $filter, $options);
}
return false;
}
public function setResFilter_Imagick(&$res, $filter, $options) {
switch($filter) {
case 'grayscale':
$res['res']->setImageColorspace(imagick::COLORSPACE_GRAY);
break;
case 'blur':
$res['res']->blurImage(5, 3);
break;
case 'negate':
$res['res']->negateImage(false);
break;
case 'brightness':
$value = (int)$options;
if(empty($value) || $value < -255 || $value > 255)
return false;
if($value > 100)
$value = 100;
$res['res']->brightnessContrastImage($value, 0);
break;
}
return true;
}
public function setResFilter_GD(&$res, $filter, $options) {
$imgFilterFunc = function_exists('imagefilter');
switch($filter) {
case 'grayscale':
if(!$imgFilterFunc)
return false;
return imagefilter($res['res'], IMG_FILTER_GRAYSCALE);
case 'blur':
if(!$imgFilterFunc)
return false;
return imagefilter($res['res'], IMG_FILTER_GAUSSIAN_BLUR);
case 'negate':
if(!$imgFilterFunc)
return false;
return imagefilter($res['res'], IMG_FILTER_NEGATE);
case 'brightness':
if(!$imgFilterFunc)
return false;
$value = (int)$options;
if(empty($value) || $value < -255 || $value > 255)
return false;
return imagefilter($res['res'], IMG_FILTER_BRIGHTNESS, $value);
}
return false;
}
public function setResCorners(&$res, $radius = 0, $options = array()) {
if(empty($radius) || (int)$radius < 2)
return false;
switch($this->image_mode) {
case 'Imagick':
return $this->setResCorners_Imagick($res, $radius, $options);
case 'GD':
default:
return $this->setResCorners_GD($res, $radius, $options);
}
return false;
}
protected function setResCorners_Imagick(&$res, $radius, $options) {
if(!method_exists($res['res'], 'roundCorners'))
return false;
$h = sqrt($radius * $radius / 2);
$res['res']->roundCorners($h, $h);
return true;
}
protected function setResCorners_GD(&$res, $radius, $options) {
$corner_image = imagecreatetruecolor($radius, $radius);
imagealphablending($corner_image, false);
imagesavealpha($corner_image, true);
$bgcolor = $this->GD_getBackgroundColor($corner_image, @$options['background']);
$color = imagecolorallocatealpha($corner_image, 0, 0, 0, 127);
imagecolortransparent($corner_image, $color);
imagefill($corner_image, 0, 0, $bgcolor);
imagefilledellipse($corner_image, $radius, $radius, $radius * 2, $radius * 2, $color);
$res_w = imagesx($res['res']);
$res_y = imagesy($res['res']);
imagecopymerge($res['res'], $corner_image, 0, 0, 0, 0, $radius, $radius, 100);
$corner_image = imagerotate($corner_image, 90, 0);
imagecopymerge($res['res'], $corner_image, 0, $res_y - $radius, 0, 0, $radius, $radius, 100);
$corner_image = imagerotate($corner_image, 90, 0);
imagecopymerge($res['res'], $corner_image, $res_w - $radius, $res_y - $radius, 0, 0, $radius, $radius, 100);
$corner_image = imagerotate($corner_image, 90, 0);
imagecopymerge($res['res'], $corner_image, $res_w - $radius, 0, 0, 0, $radius, $radius, 100);
}
public function setResQuality(&$res, $quality) {
switch($this->image_mode) {
case 'Imagick':
return $this->setResQuality_Imagick($res, $quality);
case 'GD':
default:
return $this->setResQuality_GD($res, $quality);
}
return false;
}
protected function setResQuality_Imagick(&$res, $quality) {
$res['quality'] = $quality;
}
protected function setResQuality_GD(&$res, $quality) {
$res['quality'] = $quality;
}
public function saveResImage(&$res, $filename) {
$folder = dirname($filename);
jimport('joomla.filesystem.folder');
if(!is_dir($folder))
JFolder::create($folder);
switch($this->image_mode) {
case 'Imagick':
return $this->saveResImage_Imagick($res, $filename);
case 'GD':
default:
return $this->saveResImage_GD($res, $filename);
}
return false;
}
protected function saveResImage_Imagick(&$res, $filename) {
$status = false;
switch($res['ext']) {
case 'gif':
$res['res']->setImageFormat('gif');
break;
case 'jpg':
case 'jpeg':
if(empty($res['quality']))
$res['quality'] = 95;
$res['res']->setImageCompressionQuality($res['quality']);
$res['res']->setImageFormat('jpeg');
break;
case 'webp':
if(empty($res['quality']))
$res['quality'] = 95;
$res['res']->setImageCompressionQuality($res['quality']);
$res['res']->setImageFormat('webp');
break;
case 'png':
if(empty($res['quality']))
$res['quality'] = 9;
$res['res']->setImageCompressionQuality($res['quality']);
$res['res']->setImageFormat('png');
break;
}
return file_put_contents($filename, $res['res']);
}
protected function saveResImage_GD(&$res, $filename) {
$status = false;
switch($res['ext']) {
case 'gif':
$status = imagegif($res['res'], $filename);
break;
case 'jpg':
case 'jpeg':
if(empty($res['quality']))
$res['quality'] = 95;
$status = imagejpeg($res['res'], $filename, $res['quality']);
break;
case 'webp':
if(empty($res['quality']))
$res['quality'] = 95;
$status = imagewebp($res['res'], $filename, $res['quality']);
break;
case 'png':
if(empty($res['quality']))
$res['quality'] = 9;
$status = imagepng($res['res'], $filename, $res['quality']);
break;
}
return $status;
}
public function getImageResContent(&$res) {
switch($this->image_mode) {
case 'Imagick':
return $this->getImageResContent_Imagick($res);
case 'GD':
default:
return $this->getImageResContent_GD($res);
}
return false;
}
protected function getImageResContent_Imagick(&$res) {
switch($res['ext']) {
case 'jpg':
case 'jpeg':
case 'webp':
$res['res']->setImageCompressionQuality($res['quality']);
break;
case 'png':
$res['res']->setImageCompressionQuality($res['quality']);
break;
}
return $res['res']->getImageBlob();
}
protected function getImageResContent_GD(&$res) {
ob_start();
switch($res['ext']) {
case 'gif':
$status = imagegif($res['res']);
break;
case 'jpg':
case 'jpeg':
$status = imagejpeg($res['res'], null, $res['quality']);
break;
case 'webp':
$status = imagewebp($res['res'], null, $res['quality']);
break;
case 'png':
$status = imagepng($res['res'], null, $res['quality']);
break;
}
if(!$status)
return null;
return ob_get_clean();
}
public function freeRes(&$res) {
switch($this->image_mode) {
case 'Imagick':
$this->freeRes_Imagick($res);
break;
case 'GD':
default:
$this->freeRes_GD($res);
break;
}
$res = false;
unset($res);
}
protected function freeRes_Imagick(&$res) {
if(!empty($res['res']))
$res['res']->clear();
}
protected function freeRes_GD(&$res) {
if(!empty($res['res']))
@imagedestroy($res['res']);
}
public function orientateImage(&$res){
switch($this->image_mode) {
case 'Imagick':
$this->orientateImage_Imagick($res);
break;
case 'GD':
default:
$this->orientateImage_GD($res);
break;
}
}
protected function orientateImage_GD(&$res){
$rotate = 0;
$flip = null;
switch($res['orientation']) {
case 2:
$flip = IMG_FLIP_HORIZONTAL;
break;
case 3:
$flip = IMG_FLIP_VERTICAL;
break;
case 4:
$flip = IMG_FLIP_BOTH;
break;
case 5:
$rotate = -90;
$flip = IMG_FLIP_HORIZONTAL;
break;
case 6:
$rotate = -90;
break;
case 7:
$rotate = 90;
$flip = IMG_FLIP_HORIZONTAL;
break;
case 8:
$rotate = 90;
break;
case 1:
default:
break;
}
if($rotate != 0) {
$old =& $res['res'];
unset($res['res']);
$res['res'] = imagerotate($old, $rotate, 0);
imagedestroy($old);
}
if($flip !== null) {
imageflip($res['res'], $flip);
}
$res['orientation'] = 1;
}
protected function orientateImage_Imagick(&$res){
switch ($res['orientation']) {
case Imagick::ORIENTATION_TOPLEFT:
break;
case Imagick::ORIENTATION_TOPRIGHT:
$res['res']->flopImage();
break;
case Imagick::ORIENTATION_BOTTOMRIGHT:
$res['res']->rotateImage("#000", 180);
break;
case Imagick::ORIENTATION_BOTTOMLEFT:
$res['res']->flopImage();
$res['res']->rotateImage("#000", 180);
break;
case Imagick::ORIENTATION_LEFTTOP:
$res['res']->flopImage();
$res['res']->rotateImage("#000", -90);
break;
case Imagick::ORIENTATION_RIGHTTOP:
$res['res']->rotateImage("#000", 90);
break;
case Imagick::ORIENTATION_RIGHTBOTTOM:
$res['res']->flopImage();
$res['res']->rotateImage("#000", 90);
break;
case Imagick::ORIENTATION_LEFTBOTTOM:
$res['res']->rotateImage("#000", -90);
break;
default:
break;
}
$res['res']->setImageOrientation(Imagick::ORIENTATION_TOPLEFT);
$res['orientation'] = Imagick::ORIENTATION_TOPLEFT;
}
function getThumbnail($filename, $size = null, $options = array(), $relativePath = true, $cachePath = null) {
$config =& hikashop_config();
$scalemode = 'inside';
$jconf = JFactory::getConfig();
$jdebug = $jconf->get('debug');
if(!empty($filename)) {
$filename = hikashop_translate($filename);
}
$ret = new stdClass();
$ret->success = false;
$ret->external = false;
$ret->path = $filename;
$ret->height = 0;
$ret->width = 0;
$ret->req_height = 0;
$ret->req_width = 0;
$fullFilename = $filename;
if($relativePath === true)
$fullFilename = $this->uploadFolder . $filename;
if(is_string($relativePath))
$fullFilename = $relativePath . $filename;
$clean_filename = $fullFilename;
try{
$clean_filename = JPath::clean(realpath($fullFilename));
if((JPATH_ROOT != '') && strpos($clean_filename, JPath::clean(JPATH_ROOT)) !== 0) {
if(!defined('MULTISITES_MASTER_ROOT_PATH') || MULTISITES_MASTER_ROOT_PATH == '' || strpos($clean_filename, JPath::clean(MULTISITES_MASTER_ROOT_PATH)) !== 0)
return $ret;
}
}catch(Exception $e) {
}
if(empty($size) || !is_array($size) || (!isset($size['x']) && !isset($size[0]) && !isset($size['width'])))
$size = array('x' => (int)$config->get('thumbnail_x', 100), 'y' => (int)$config->get('thumbnail_y', 100));
if(isset($size['width']))
$size = array('x' => (int)$size['width'], 'y' => (int)$size['height']);
if(!isset($size['x']))
$size = array('x' => (int)$size[0], 'y' => (int)$size[1]);
$ret->req_height = $size['y'];
$ret->req_width = $size['x'];
if(!empty($filename) && preg_match('#^https?://#i', $filename) === 1) {
$ret->url = $ret->origin_url = $filename;
$ret->filename = basename($filename);
$urlArray = parse_url($filename);
$url = ($urlArray['scheme'].'://'.$urlArray['host'].str_replace('%2F', '/', urlencode($urlArray['path'])));
$url .= isset($urlArray['query']) ? '?'.$urlArray['query'] : '';
list($ret->width, $ret->height) = @getimagesize($url);
$ret->success = true;
$ret->external = true;
return $ret;
}
if($cachePath !== false && empty($cachePath))
$cachePath = $this->uploadFolder;
else if($cachePath !== false)
$cachePath = rtrim(JPath::clean($cachePath), DS) . DS;
if(!is_file($fullFilename)) {
if($jdebug && !empty($filename)) {
$p = JProfiler::getInstance('Application');
$dbgtrace = debug_backtrace();
$dbgfile = str_replace('\\', '/', $dbgtrace[0]['file']);
$dbgline = $dbgtrace[0]['line'];
unset($dbgtrace);
$p->mark('HikaShop image ['.$fullFilename.'] does not exists (from: '.substr($dbgfile, strrpos($dbgfile, '/')+1).':'.$dbgline.')');
}
if(!isset($options['default']))
return $ret;
$ret->path = $filename = $config->get('default_image');
if($ret->path == 'barcode.png') {
$fullFilename = HIKASHOP_MEDIA.'images'.DS . ltrim($ret->path, DS);
$ret->url = rtrim(HIKASHOP_IMAGES, '/') . '/' . ltrim($ret->path, '/');
$ret->origin_url = rtrim(HIKASHOP_IMAGES, '/') . '/' . ltrim($ret->path, '/');
$ret->default_image = true;
$ret->filename = $ret->path;
} else {
$fullFilename = $this->uploadFolder . $ret->path;
}
if(!is_file($fullFilename)) {
return $ret;
}
$clean_filename = JPath::clean(realpath($fullFilename));
unset($ret->filename);
}
$optString = '';
if(!empty($options['forcesize'])) $optString .= 'f';
if(!empty($options['grayscale'])) $optString .= 'g';
if(!empty($options['blur'])) $optString .= 'b';
if(!empty($options['scale'])) {
switch($options['scale']) {
case 'outside':
$scalemode = 'outside';
$optString .= 'sO';
case 'inside':
break;
}
}
if(!isset($options['background'])) {
$options['background'] = $config->get('images_stripes_background', '');
}
if(!empty($options['background']) && is_string($options['background']) && strtolower($options['background']) != '#ffffff' && strtolower($options['background']) != 'none') {
$optString .= 'c'.trim(strtoupper($options['background']), '#');
}
if(!empty($options['radius']) && (int)$options['radius'] > 2) $optString .= 'r'.(int)$options['radius'];
$destFolder = 'thumbnails' . DS . $size['y'] . 'x' . $size['x'] . $optString;
$ret->ext = $extension = $this->getFileExtension($filename); // strtolower(substr($filename, strrpos($filename, '.') + 1));
if($ret->ext == 'jpg')
$ret->ext = 'jpeg';
$origin = new stdClass();
if($extension == 'svg') {
$scaling = false;
$origin->width = $ret->req_width;
$origin->height = $ret->req_height;
$options['forcesize'] = false;
} else {
list($origin->width, $origin->height) = getimagesize($clean_filename);
$ret->orig_height = $origin->height;
$ret->orig_width = $origin->width;
$scaling = $this->scaleImage($origin->width, $origin->height, $size['x'], $size['y'], $scalemode);
if($scaling !== false) {
$this->thumbnail_x = $scaling[0];
$this->thumbnail_y = $scaling[1];
if(empty($size['x']))
$size['x'] = $scaling[0];
if(empty($size['y']))
$size['y'] = $scaling[1];
} else {
$this->thumbnail_x = $origin->width;
$this->thumbnail_y = $origin->height;
}
if($cachePath !== false && is_file($cachePath . $destFolder . DS . $filename)) {
$ret->success = true;
$ret->path = $destFolder . DS . $filename;
$ret->filename = $filename;
$ret->url = $this->uploadFolder_url . str_replace(array('\\/', '\\', '//') , '/', $ret->path);
if(empty($ret->origin_url))
$ret->origin_url = $this->uploadFolder_url . ltrim(str_replace(array('\\/', '\\', '//') , '/', $filename), '/');
list($ret->width, $ret->height) = getimagesize($cachePath . $destFolder . DS . $filename);
if($this->needWebp($extension)) {
if($extension == 'webp') {
$ret->webpurl = $this->uploadFolder_url . str_replace(array('\\/', '\\', '//') , '/', $destFolder . DS . $filename);
} else {
$status = true;
$webpfile = preg_replace('#\.'. $extension.'$#i','.webp', $filename);
if(!is_file($cachePath . $destFolder . DS . $webpfile)) {
$resThumb = $this->getImage($cachePath . $destFolder . DS . $filename, $extension);
if(empty($options['webp_quality']))
$options['webp_quality'] = $config->get('webp_image_quality', 80);
if(in_array($resThumb['ext'], array('gif','png')))
imagepalettetotruecolor($resThumb['res']);
if(!empty($resThumb['res']))
$status = imagewebp($resThumb['res'], $cachePath . $destFolder . DS . $webpfile, $options['webp_quality']);
else
$status = false;
}
if($status)
$ret->webpurl = $this->uploadFolder_url . str_replace(array('\\/', '\\', '//') , '/', $destFolder . DS . $webpfile);
}
}
return $ret;
}
}
if($scaling === false && empty($options['forcesize'])) {
$ret->success = true;
$ret->width = $origin->width;
$ret->height = $origin->height;
$ret->filename = $filename;
$ret->data = file_get_contents($fullFilename);
$ret->url = $this->uploadFolder_url . str_replace(array('\\/', '\\', '//') , '/', $ret->path);
if(empty($ret->origin_url))
$ret->origin_url = $this->uploadFolder_url . ltrim(str_replace(array('\\/', '\\', '//') , '/', $filename), '/');
else
$ret->url = $ret->origin_url;
if($this->needWebp($extension) && empty($ret->default_image)) {
if($extension == 'webp') {
$ret->webpurl = $this->uploadFolder_url . str_replace(array('\\/', '\\', '//') , '/', $destFolder . DS . $filename);
} else {
$webpfile = preg_replace('#\.'. $extension.'$#i','.webp', $fullFilename);
$status = true;
if(!is_file($webpfile)) {
$resMain = $this->getImage($fullFilename, $extension);
if(empty($options['webp_quality']))
$options['webp_quality'] = $config->get('webp_image_quality', 80);
if(in_array($resMain['ext'], array('gif','png')))
imagepalettetotruecolor($resMain['res']);
if(!empty($resMain['res']))
$status = imagewebp($resMain['res'], $webpfile, $options['webp_quality']);
else
$status = false;
}
if($status) {
$webpfile = preg_replace('#\.'. $extension.'$#i','.webp', $filename);
$ret->webpurl = $this->uploadFolder_url . str_replace(array('\\/', '\\', '//') , '/', $webpfile);
}
}
}
return $ret;
}
unset($ret->url);
if($scaling === false) {
$scaling = array($origin->width, $origin->height);
}
$quality = array(
'jpg' => 95,
'webp' => 95,
'png' => 9
);
if(!empty($options['quality'])) {
if(is_array($options['quality'])) {
if(!empty($options['quality']['jpg']))
$quality['jpg'] = (int)$options['quality']['jpg'];
if(!empty($options['quality']['png']))
$quality['png'] = (int)$options['quality']['png'];
if(!empty($options['quality']['webp']))
$quality['webp'] = (int)$options['quality']['webp'];
} elseif((int)$options['quality'] > 0) {
$quality['jpg'] = (int)$options['quality'];
}
}
if($config->get('image_check_memory', 1)) {
$memory_limit = $this->getMemoryLimit();
if($memory_limit > 0) {
$rest = $memory_limit - memory_get_usage();
$e_x = empty($options['forcesize']) ? $scaling[0] : $size['x'];
$e_y = empty($options['forcesize']) ? $scaling[1] : $size['y'];
$estimation = (($origin->width * $origin->height) + ($e_x * $e_y)) * 8;
if($estimation > $rest) {
$ret->success = false;
$app = JFactory::getApplication();
$app->enqueueMessage(JText::sprintf('WARNING_IMAGE_TOO_BIG_FOR_MEMORY', $filename));
return $ret;
}
}
}
$resMain = $this->getImage($fullFilename, $extension);
if(!$resMain)
return $ret;
$options['scaling'] = $scaling;
$thumbSize = array(
'x' => empty($options['forcesize']) || empty($size['x']) ? $scaling[0] : $size['x'],
'y' => empty($options['forcesize']) || empty($size['y']) ? $scaling[1] : $size['y'],
);
$resThumb = $this->createThumbRes($resMain, $thumbSize, $options);
switch($extension) {
case 'png':
$this->setResQuality($resThumb, $quality['png']);
break;
case 'jpg':
case 'jpeg':
case 'webp':
$this->setResQuality($resThumb, $quality['jpg']);
break;
}
$this->freeRes($resMain);
if(!empty($options['radius']) && (int)$options['radius'] > 2)
$this->setResCorners($resThumb, (int)$options['radius']);
if(!empty($options['grayscale']))
$this->setResFilter($resThumb, 'grayscale', null);
if(!empty($options['blur']))
$this->setResFilter($resThumb, 'blur', $options['blur']);
$imageContent = $this->getImageResContent($resThumb);
$status = ($imageContent !== false && $imageContent !== null);
if($cachePath === false) {
$this->freeRes($resThumb);
$ret->success = $status;
$ret->data = $imageContent;
return $ret;
}
$ret->success = $status && JFile::write($cachePath . $destFolder . DS . $filename, $imageContent);
if($ret->success) {
list($ret->width, $ret->height) = getimagesize($cachePath . $destFolder . DS . $filename);
$ret->path = $destFolder . DS . $filename;
$ret->filename = $filename;
$ret->url = $this->uploadFolder_url . str_replace(array('\\/', '\\', '//') , '/', $ret->path);
if(empty($ret->origin_url))
$ret->origin_url = $this->uploadFolder_url . ltrim(str_replace(array('\\/', '\\', '//') , '/', $filename), '/');
if($this->needWebp($resThumb['ext'])) {
if($resThumb['ext'] == 'webp') {
$ret->webpurl = $this->uploadFolder_url . str_replace(array('\\/', '\\', '//') , '/', $destFolder . DS . $filename);
} else {
if(empty($options['webp_quality']))
$options['webp_quality'] = $config->get('webp_image_quality', 80);
$webpfile = preg_replace('#\.'. $resThumb['ext'].'$#i','.webp', $filename);
if(in_array($resThumb['ext'], array('gif','png')))
imagepalettetotruecolor($resThumb['res']);
if(!empty($resThumb['res']))
$status = imagewebp($resThumb['res'], $cachePath . $destFolder . DS . $webpfile, $options['webp_quality']);
else
$status = false;
if($status)
$ret->webpurl = $this->uploadFolder_url . str_replace(array('\\/', '\\', '//') , '/', $destFolder . DS . $webpfile);
}
}
} else {
static $image_generation_warning = null;
if($image_generation_warning === null) {
$app = JFactory::getApplication();
$app->enqueueMessage(JText::sprintf('WRITABLE_FOLDER', $cachePath . $destFolder), 'error');
$image_generation_warning = true;
}
}
$this->freeRes($resThumb);
return $ret;
}
private function needWebp($extension) {
$config = hikashop_config();
return $config->get('add_webp_images', 1) && function_exists('imagewebp') && !in_array($extension, array('svg'));
}
public function display($path, $addpopup = true, $title = '', $options = '', $optionslink = '', $width = 0, $height = 0, $alt = '') {
$config =& hikashop_config();
$this->thumbnail = (int)$config->get('thumbnail', 1);
jimport('joomla.filesystem.file');
$this->uploadFolder_url = $this->main_uploadFolder_url;
$this->uploadFolder = $this->main_uploadFolder;
$html = '';
if(!is_file($this->uploadFolder . $path)) {
$path = $config->get('default_image');
if($path == 'barcode.png') {
$this->uploadFolder_url = HIKASHOP_IMAGES;
$this->uploadFolder = HIKASHOP_MEDIA.'images'.DS;
}
if(!is_file($this->uploadFolder. $path)) {
$this->uploadFolder_url = $this->main_uploadFolder_url;
$this->uploadFolder = $this->main_uploadFolder;
return $html;
}
}
if(empty($alt)) {
$alt = $title;
} else {
$title = $alt;
}
$extension = $this->getFileExtension($path);
if($extension == 'svg') {
$this->width = max((int)$width, 0);
$this->height = max((int)$height, 0);
$this->thumbnail = false;
$options .= ' height="' . $this->height . '" width="' . $this->width . '" ';
} else {
list($this->width, $this->height) = getimagesize($this->uploadFolder . $path);
}
$module = false;
if($width != 0 && $height != 0) {
$module = array(
0 => $height,
1 => $width
);
$this->main_thumbnail_x = $width;
$this->main_thumbnail_y = $height;
}
$html = $this->displayThumbnail($path, $title, is_string($addpopup), $options, $module, $alt);
if($addpopup) {
$popup_x = (int)$config->get('max_x_popup',760);
$popup_y = (int)$config->get('max_y_popup',480);
$this->width += 20;
$this->height += 30;
if($this->width > $popup_x)
$this->width = $popup_x;
if($this->height > $popup_y)
$this->height = $popup_y;
if(is_string($addpopup)) {
static $first=true;
if($first) {
if($this->override && function_exists('hikashop_image_toggle_js')) {
$js = hikashop_image_toggle_js($this);
} else {
$js = '
function hikashopChangeImage(id,url,x,y,obj,nTitle,nAlt){
if(nAlt === undefined) nAlt = \'\';
image=document.getElementById(id);
if(image){
image.src=url;
if(x) image.width=x;
if(y) image.height=y;
if(nAlt) image.alt=nAlt;
if(nTitle) image.title=nTitle;
}
image_link = document.getElementById(id+\'_link\');
if(image_link){
image_link.href=obj.href;
image_link.rel=obj.rel;
if(nAlt) image_link.title=nAlt;
if(nTitle) image_link.title=nTitle;
}
var myEls = getElementsByClass(\'hikashop_child_image\');
for ( i=0;i<myEls.length;i++ ) {
myEls[i].style.border=\'0px\';
}
obj.childNodes[0].style.border=\'1px solid\';
return false;
}
function getElementsByClass(searchClass,node,tag) {
var classElements = new Array();
if ( node == null )
node = document;
if ( tag == null )
tag = \'*\';
var els = node.getElementsByTagName(tag);
var elsLen = els.length;
var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
for (i = 0, j = 0; i < elsLen; i++) {
if ( pattern.test(els[i].className) ) {
classElements[j] = els[i];
j++;
}
}
return classElements;
}
window.hikashop.ready( function() {
image_link = document.getElementById(\'hikashop_image_small_link_first\');
if(image_link){
image_link.childNodes[0].style.border=\'1px solid\';
}
});
';
}
$doc = JFactory::getDocument();
$doc->addScriptDeclaration("\n<!--\n".$js."\n//-->\n");
$first = false;
$optionslink.=' id="hikashop_image_small_link_first" ';
JHTML::_('behavior.modal');
}
if(!empty($this->no_size_override)) {
$this->thumbnail_x = '';
$this->thumbnail_y = '';
$this->uploadFolder_url_thumb = $this->uploadFolder_url . $path;
}
if($this->override && function_exists('hikashop_small_image_link_render')) {
$html = hikashop_small_image_link_render($this,$path,$addpopup,$optionslink,$html,$title,$alt);
} else {
$html = '<a title="'.$title.'" alt="'.$alt.'" class="hikashop_image_small_link" rel="{handler: \'image\'}" href="'.$this->uploadFolder_url.$path.'" onclick="SqueezeBox.fromElement(this,{parse: \'rel\'});return false;" target="_blank" onmouseover="return hikashopChangeImage(\''.$addpopup.'\',\''.$this->uploadFolder_url_thumb.'\',\''.$this->thumbnail_x.'\',\''.$this->thumbnail_y.'\',this,\''.$title.'\',\''.$alt.'\');" '.$optionslink.'>'.$html.'</a>';
}
} else {
JHTML::_('behavior.modal');
if($this->override && function_exists('hikashop_image_link_render')) {
$html = hikashop_image_link_render($this,$path,$addpopup,$optionslink,$html,$title,$alt);
} else {
$html = '<a title="'.$title.'" alt="'.$alt.'" rel="{handler: \'image\'}" target="_blank" href="'.$this->uploadFolder_url.$path.'" onclick="SqueezeBox.fromElement(this,{parse: \'rel\'});return false;" '.$optionslink.'>'.$html.'</a>';
}
}
}
$this->uploadFolder_url = $this->main_uploadFolder_url;
$this->uploadFolder = $this->main_uploadFolder;
return $html;
}
function displayThumbnail($path, $title = '', $reduceSize = false, $options = '', $module = false, $alt = '') {
if((empty($this->main_thumbnail_x) && !empty($this->main_thumbnail_y)) || (empty($this->main_thumbnail_y) && !empty($this->main_thumbnail_x))) {
$module[0] = $this->main_thumbnail_y;
$module[1] = $this->main_thumbnail_x;
}
$new = $this->scaleImage($this->width, $this->height, $this->main_thumbnail_x, $this->main_thumbnail_y);
if($new !== false) {
$this->thumbnail_x = $new[0];
$this->thumbnail_y = $new[1];
}else{
$this->thumbnail_x = $this->width;
$this->thumbnail_y = $this->height;
}
if($module) {
if(empty($this->main_thumbnail_y)) $this->main_thumbnail_y = 0;
if(empty($this->main_thumbnail_x)) $this->main_thumbnail_x = 0;
$folder = 'thumbnail_'.$this->main_thumbnail_y.'x'.$this->main_thumbnail_x;
} else {
$folder = 'thumbnail_'.$this->thumbnail_y.'x'.$this->thumbnail_x;
}
if(!$reduceSize && !$module) {
$options .= ' height="'.$this->thumbnail_y.'" width="'.$this->thumbnail_x.'" ';
}
if(!empty($path)) {
$path = hikashop_translate($path);
}
if($this->thumbnail){
jimport('joomla.filesystem.file');
$ok = true;
JPath::check($this->uploadFolder.$folder.DS.$path);
if(!is_file($this->uploadFolder.$folder.DS.$path)){
if($module){
$ok = $this->generateThumbnail($path, $module);
}
else{
$ok = $this->generateThumbnail($path);
}
}
if($ok){
if(is_array($ok)){
$folder='thumbnail_'.$ok[0].'x'.$ok[1];
}
$this->uploadFolder_url_thumb=$this->uploadFolder_url.$folder.'/'.$path;
return '<img src="'.$this->uploadFolder_url_thumb.'" alt="'.htmlentities($alt).'" title="'.htmlentities($title).'" '.$options.' />';
}
}
$this->uploadFolder_url_thumb=$this->uploadFolder_url.$path;
return '<img src="'.$this->uploadFolder_url_thumb.'" alt="'.htmlentities($alt).'" title="'.htmlentities($title).'" '.$options.' />';
}
function generateThumbnail($file_path, $module = false){
$ok = true;
if(!$this->thumbnail)
return $ok;
$ok = false;
if(!$this->image_mode)
return $ok;
$config =& hikashop_config();
list($this->width, $this->height) = getimagesize($this->uploadFolder.$file_path);
if($module) {
$thumbnail_x=$module[1];
$thumbnail_y=$module[0];
} else {
$thumbnail_x = $config->get('thumbnail_x', 100);
$thumbnail_y = $config->get('thumbnail_y', 100);
}
if(!$thumbnail_x && !$thumbnail_y) {
return true;
}
$new = $this->scaleImage($this->width, $this->height, $thumbnail_x, $thumbnail_y);
if($new !== false) {
if(empty($thumbnail_y))
$thumbnail_y = 0;
if(empty($thumbnail_x))
$thumbnail_x = 0;
$ok = $this->_resizeImage($file_path, $new[0], $new[1], $this->uploadFolder.'thumbnail_'.$thumbnail_y.'x'.$thumbnail_x.DS);
if($ok & !$module){
$ok = array($new[1], $new[0]);
}
}
return $ok;
}
public function autoRotate($file_path) {
$image = $this->uploadFolder.$file_path;
$extension = $this->getFileExtension($image);
$resMain = $this->getImage($image, $extension);
if(!empty($resMain) && $resMain['autorotate']) {
$this->orientateImage($resMain);
$this->saveResImage($resMain, $image);
}
$this->freeRes($resMain);
}
function resizeImage($file_path, $type = 'image', $options = array()) {
$config =& hikashop_config();
$image_x = $config->get('image_x',0);
$image_y = $config->get('image_y',0);
$watermark_name = $config->get('watermark','');
if(!empty($options['image_x']) || !empty($options['image_y'])) {
$image_x = $options['image_x'];
$image_y = $options['image_y'];
}
if(isset($options['watermark'])) {
$watermark_name = $options['watermark'];
}
$extension = strtolower(substr($file_path,strrpos($file_path,'.')+1));
$ok = true;
if(!in_array($extension, array('svg')) && (($image_x || $image_y) || !empty($watermark_name))){
$new = getimagesize($this->uploadFolder . $file_path);
$this->width=$new[0];
$this->height=$new[1];
if(!$image_x && !$image_y && empty($watermark_name)){
return true;
}
if($image_x || $image_y){
$new = $this->scaleImage($this->width, $this->height,$image_x,$image_y);
if($new === false) {
$new = array($this->width, $this->height);
}
}
$ok = $this->_resizeImage($file_path, $new[0], $new[1], $this->uploadFolder, $type, $watermark_name);
}
return $ok;
}
function _resizeImage($file_path, $newWidth, $newHeight, $dstFolder = '', $type = 'thumbnail', $watermark = '') {
$image = $this->uploadFolder.$file_path;
if(empty($dstFolder))
$dstFolder = $this->uploadFolder.'thumbnail_'.$this->thumbnail_y.'x'.$this->thumbnail_x.DS;
$watermark_path = '';
if(hikashop_level(2) && $type == 'image') {
$config =& hikashop_config();
$watermark_name = $watermark;
if(empty($watermark_name) && $watermark_name !== false)
$watermark_name = $config->get('watermark', '');
if(!empty($watermark_name)) {
$watermark_path = $this->main_uploadFolder.$watermark_name;
if(!$this->_checkImage($watermark_path)) {
$watermark_path = '';
} else {
$wm_extension = strtolower(substr($watermark_path,strrpos($watermark_path,'.')+1));
$watermark = $this->getImage($watermark_path,$wm_extension);
if(!$watermark) {
$watermark_path = '';
}
}
}
}
$extension = strtolower(substr($file_path,strrpos($file_path,'.')+1));
$img = $this->getImage($image,$extension);
if(!$img || empty($img['res'])) return false;
if($newWidth!=$this->width || $newHeight!=$this->height) {
$thumb = $this->createThumbRes($img, array('width' => $newWidth, 'height' => $newHeight), array());
} else {
$thumb =& $img;
}
if(!empty($watermark_path)){
list($wm_width,$wm_height) = getimagesize($watermark_path);
$padding = 3;
$dest_x = $newWidth - $wm_width - $padding;
if($dest_x < 0) $dest_x = 0;
$dest_y = $newHeight - $wm_height - $padding;
if($dest_y < 0) $dest_y = 0;
$this->addWaterMark($thumb, $watermark, $dest_x, $dest_y, $wm_width, $wm_height);
$this->freeRes($watermark);
}
$dest = $dstFolder.$file_path;
$status = $this->saveResImage($thumb, $dest);
$this->freeRes($img);
$this->freeRes($thumb);
return $status;
}
public function addWaterMark($thumb, $watermark, $dest_x, $dest_y, $wm_width, $wm_height, $opacity=null){
if(is_null($opacity)) {
$config = hikashop_config();
$opacity = (int)$config->get('opacity',0);
}
switch($this->image_mode) {
case 'Imagick':
$this->addWaterMark_Imagick($thumb, $watermark, $dest_x, $dest_y, $wm_width, $wm_height, $opacity);
break;
case 'GD':
default:
$this->addWaterMark_GD($thumb, $watermark, $dest_x, $dest_y, $wm_width, $wm_height, $opacity);
break;
}
}
protected function addWaterMark_Imagick($thumb, $watermark, $dest_x, $dest_y, $wm_width, $wm_height, $opacity) {
$thumb['res']->compositeImage($watermark['res'], Imagick::COMPOSITE_OVER, $dest_x, $dest_y);
}
protected function addWaterMark_GD($thumb, $watermark, $dest_x, $dest_y, $wm_width, $wm_height, $opacity) {
$trnprt_color=null;
if(in_array($watermark['ext'], array('gif','png'))){
if ($watermark['gd_tridx'] >= 0) {
$trnprt_color = imagecolorsforindex($watermark['res'], $watermark['gd_tridx']);
}
}
$this->GD_imagecopymerge_alpha($thumb['res'], $watermark['res'], $dest_x, $dest_y, 0, 0, $wm_width, $wm_height, $opacity, $trnprt_color);
}
protected function GD_getBackgroundColor($resource, $color) {
$bgcolor = false;
if(!empty($color)) {
if(is_array($color)) {
$bgcolor = imagecolorallocatealpha($resource, $color[0], $color[1], $color[2], 0);
if($bgcolor === false || $bgcolor === -1)
$bgcolor = imagecolorallocate($resource, $color[0], $color[1], $color[2]);
} elseif( is_string($color) && strtolower($color) != 'none' && strlen(ltrim($color, '#')) == 6) {
$rgb = str_split(ltrim($color, '#'), 2);
$bgcolor = imagecolorallocatealpha($resource, hexdec($rgb[0]), hexdec($rgb[1]), hexdec($rgb[2]), 0);
if($bgcolor === false || $bgcolor === -1)
$bgcolor = imagecolorallocate($resource, hexdec($rgb[0]), hexdec($rgb[1]), hexdec($rgb[2]));
}
} else {
$bgcolor = imagecolorallocatealpha($resource, 255, 255, 255, 127);
}
if($bgcolor === false) {
$bgcolor = imagecolorallocatealpha($resource, 255, 255, 255, 0);
if($bgcolor === false || $bgcolor === -1)
$bgcolor = imagecolorallocate($resource, 255, 255, 255);
}
return $bgcolor;
}
protected function GD_imagecopymerge_alpha($dst_im, $src_im, $dst_x, $dst_y, $src_x, $src_y, $src_w, $src_h, $pct, $trans = NULL) {
$dst_w = imagesx($dst_im);
$dst_h = imagesy($dst_im);
$src_x = max($src_x, 0);
$src_y = max($src_y, 0);
$dst_x = max($dst_x, 0);
$dst_y = max($dst_y, 0);
if ($dst_x + $src_w > $dst_w)
$src_w = $dst_w - $dst_x;
if ($dst_y + $src_h > $dst_h)
$src_h = $dst_h - $dst_y;
for($x_offset = 0; $x_offset < $src_w; $x_offset++) {
for($y_offset = 0; $y_offset < $src_h; $y_offset++) {
$srccolor = imagecolorsforindex($src_im, imagecolorat($src_im, $src_x + $x_offset, $src_y + $y_offset));
$dstcolor = imagecolorsforindex($dst_im, imagecolorat($dst_im, $dst_x + $x_offset, $dst_y + $y_offset));
if (is_null($trans) || ($srccolor !== $trans)) {
$src_a = $srccolor['alpha'] * $pct / 100;
$src_a = 127 - $src_a;
$dst_a = 127 - $dstcolor['alpha'];
$dst_r = ($srccolor['red'] * $src_a + $dstcolor['red'] * $dst_a * (127 - $src_a) / 127) / 127;
$dst_g = ($srccolor['green'] * $src_a + $dstcolor['green'] * $dst_a * (127 - $src_a) / 127) / 127;
$dst_b = ($srccolor['blue'] * $src_a + $dstcolor['blue'] * $dst_a * (127 - $src_a) / 127) / 127;
$dst_a = 127 - ($src_a + $dst_a * (127 - $src_a) / 127);
$color = imagecolorallocatealpha($dst_im, $dst_r, $dst_g, $dst_b, $dst_a);
if (!imagesetpixel($dst_im, $dst_x + $x_offset, $dst_y + $y_offset, $color))
return false;
imagecolordeallocate($dst_im, $color);
}
}
}
return true;
}
}
if(!function_exists('imageflip')) {
define("IMG_FLIP_HORIZONTAL", 1);
define("IMG_FLIP_VERTICAL", 2);
define("IMG_FLIP_BOTH", 3);
function imageflip($resource, $mode) {
if($mode == IMG_FLIP_VERTICAL || $mode == IMG_FLIP_BOTH)
$resource = imagerotate($resource, 180, 0);
if($mode == IMG_FLIP_HORIZONTAL || $mode == IMG_FLIP_BOTH)
$resource = imagerotate($resource, 90, 0);
return $resource;
}
}