function getThumbnail($filename, $size = null, $options = array(), $relativePath = true, $cachePath = null)
{
$config =& hikashop_config();
$scalemode = 'inside';
$jconf = JFactory::getConfig();
$jdebug = $jconf->get('debug');
$ret = new stdClass();
$ret->success = 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 $e) {
}
if ($cachePath !== false && empty($cachePath)) {
$cachePath = $this->uploadFolder;
} else {
if ($cachePath !== false) {
$cachePath = rtrim(JFolder::cleanPath($cachePath), DS) . DS;
}
}
if (!JFile::exists($fullFilename)) {
if ($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 . $ret->path;
$ret->url = HIKASHOP_IMAGES . '/' . $ret->path;
$ret->origin_url = HIKASHOP_IMAGES . '/' . $ret->path;
$ret->filename = $ret->path;
} else {
$fullFilename = $this->uploadFolder . $ret->path;
}
if (!JFile::exists($fullFilename)) {
return $ret;
}
$clean_filename = JPath::clean(realpath($fullFilename));
unset($ret->url);
unset($ret->filename);
}
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]);
}
$optString = '';
if (!empty($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';
$optString .= 'sO';
case 'inside':
break;
}
}
if (!empty($options['background']) && is_string($options['background']) && strtolower($options['background']) != '#ffffff') {
$optString .= 'c' . trim(strtoupper($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->req_height = $size['y'];
$ret->req_width = $size['x'];
$extension = strtolower(substr($filename, strrpos($filename, '.') + 1));
$origin = new stdClass();
if ($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];
} else {
$this->thumbnail_x = $origin->width;
$this->thumbnail_y = $origin->height;
}
if (empty($size['x'])) {
$size['x'] = $scaling[0];
}
if (empty($size['y'])) {
$size['y'] = $scaling[1];
}
if ($cachePath !== false && JFile::exists($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 . str_replace(array('\\/', '\\', '//'), '/', $filename);
}
list($ret->width, $ret->height) = getimagesize($cachePath . $destFolder . DS . $filename);
return $ret;
}
}
if ($scaling === false && empty($options['forcesize'])) {
$ret->success = true;
$ret->width = $origin->width;
$ret->height = $origin->height;
$ret->filename = $filename;
$ret->url = $this->uploadFolder_url . str_replace(array('\\/', '\\', '//'), '/', $ret->path);
if (empty($ret->origin_url)) {
$ret->origin_url = $this->uploadFolder_url . str_replace(array('\\/', '\\', '//'), '/', $filename);
}
return $ret;
}
unset($ret->url);
if ($scaling === false) {
$scaling = array($origin->width, $origin->height);
}
$quality = array('jpg' => 95, 'png' => 9);
if (!empty($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'];
}
} elseif ((int) $options['quality'] > 0) {
$quality['jpg'] = (int) $options['quality'];
}
}
if ($config->get('image_check_memory', 1)) {
static $memory_limit = null;
if ($memory_limit === null) {
$memory_limit = ini_get('memory_limit');
if (preg_match('/^(\\d+)\\s*(.)$/', $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) $memory_limit;
}
if ($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;
}
}
}
$img = $this->_getImage($fullFilename, $extension);
if (!$img) {
return false;
}
$transparentIndex = imagecolortransparent($img);
if (in_array($extension, array('gif', 'png'))) {
imagealphablending($img, false);
imagesavealpha($img, true);
}
if (empty($options['forcesize'])) {
$thumb = imagecreatetruecolor($scaling[0], $scaling[1]);
} else {
$thumb = imagecreatetruecolor($size['x'], $size['y']);
}
$bgcolor = $this->_getBackgroundColor($thumb, @$options['background']);
if (in_array($extension, array('gif', 'png'))) {
$palletSize = imagecolorstotal($img);
if ($transparentIndex >= 0 && $transparentIndex < $palletSize) {
$trnprt_color = imagecolorsforindex($img, $transparentIndex);
$color = imagecolorallocate($thumb, $trnprt_color['red'], $trnprt_color['green'], $trnprt_color['blue']);
imagecolortransparent($thumb, $color);
imagefill($thumb, 0, 0, $color);
} elseif ($extension == 'png') {
imagealphablending($thumb, false);
$color = imagecolorallocatealpha($thumb, 0, 0, 0, 127);
imagefill($thumb, 0, 0, $color);
imagesavealpha($thumb, true);
}
} else {
imagefill($thumb, 0, 0, $bgcolor);
}
if (function_exists('imageantialias')) {
imageantialias($thumb, true);
}
$x = 0;
$y = 0;
$sx = $scaling[0];
$sy = $scaling[1];
if (!empty($options['forcesize'])) {
$x = ($size['x'] - $scaling[0]) / 2;
$y = ($size['y'] - $scaling[1]) / 2;
} else {
if ($origin->width < $sx) {
$sx = $origin->width;
}
if ($origin->height < $sy) {
$sy = $origin->height;
}
}
if (function_exists('imagecopyresampled')) {
imagecopyresampled($thumb, $img, $x, $y, 0, 0, $sx, $sy, $origin->width, $origin->height);
} else {
imagecopyresized($thumb, $img, $x, $y, 0, 0, $sx, $sy, $origin->width, $origin->height);
}
if (!empty($options['radius']) && (int) $options['radius'] > 2) {
$radius = (int) $options['radius'];
$corner_image = imagecreatetruecolor($radius, $radius);
imagealphablending($corner_image, false);
imagesavealpha($corner_image, true);
$bgcolor = $this->_getBackgroundColor($corner_image, @$option['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, $color);
imagecopymerge($thumb, $corner_image, 0, 0, 0, 0, $radius, $radius, 100);
$corner_image = imagerotate($corner_image, 90, 0);
imagecopymerge($thumb, $corner_image, 0, $scaling[1] - $radius, 0, 0, $radius, $radius, 100);
$corner_image = imagerotate($corner_image, 90, 0);
imagecopymerge($thumb, $corner_image, $scaling[0] - $radius, $scaling[1] - $radius, 0, 0, $radius, $radius, 100);
$corner_image = imagerotate($corner_image, 90, 0);
imagecopymerge($thumb, $corner_image, $scaling[0] - $radius, 0, 0, 0, $radius, $radius, 100);
}
if (function_exists('imagefilter')) {
if (!empty($options['grayscale'])) {
imagefilter($thumb, IMG_FILTER_GRAYSCALE);
}
if (!empty($options['blur'])) {
imagefilter($thumb, IMG_FILTER_GAUSSIAN_BLUR);
}
}
ob_start();
switch ($extension) {
case 'gif':
$status = imagegif($thumb);
break;
case 'jpg':
case 'jpeg':
$status = imagejpeg($thumb, null, $quality['jpg']);
break;
case 'png':
$status = imagepng($thumb, null, $quality['png']);
break;
}
imagedestroy($img);
@imagedestroy($thumb);
$imageContent = ob_get_clean();
if ($cachePath === false) {
$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 . str_replace(array('\\/', '\\', '//'), '/', $filename);
}
} 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;
}
}
return $ret;
}
