/**
* Get meta data of image or base64 string
*
* @param null|string $image
* @param bool|null $strict
*
* @return $this
* @throws Exception
*/
protected function _loadMeta($image = null, $strict = false)
{
// Gather meta data
if (null === $image && $this->_filename) {
$imageInfo = getimagesize($this->_filename);
$this->_image = $this->_imageCreate($imageInfo['mime']);
} elseif (Helper::isGdRes($image)) {
$this->_image = $image;
$imageInfo = array('0' => imagesx($this->_image), '1' => imagesy($this->_image), 'mime' => 'image/png');
} else {
if (!Sys::isFunc('getimagesizefromstring')) {
throw new Exception('PHP 5.4 is required to use method getimagesizefromstring');
}
if ($strict) {
$cleanedString = str_replace(' ', '+', preg_replace('#^data:image/[^;]+;base64,#', '', $image));
if (base64_decode($cleanedString, true) === false) {
throw new Exception('Invalid image source.');
}
}
$image = Helper::strToBin($image);
$imageInfo = getimagesizefromstring($image);
$this->_image = imagecreatefromstring($image);
}
// Set internal state
$this->_mime = $imageInfo['mime'];
$this->_width = $imageInfo['0'];
$this->_height = $imageInfo['1'];
$this->_exif = $this->_getExif();
$this->_orient = $this->_getOrientation();
// Prepare alpha chanel
Helper::addAlpha($this->_image);
return $this;
}
/**
* Get meta data of image or base64 string
*
* @param null|string $image
*
* @return $this
* @throws Exception
*/
protected function _loadMeta($image = null)
{
// Gather meta data
if (null === $image && $this->_filename) {
$imageInfo = getimagesize($this->_filename);
$this->_image = $this->_imageCreate($imageInfo['mime']);
} elseif (Helper::isGdRes($image)) {
$this->_image = $image;
$imageInfo = array('0' => imagesx($this->_image), '1' => imagesy($this->_image), 'mime' => 'image/png');
} else {
if (!Sys::isFunc('getimagesizefromstring')) {
throw new Exception('PHP 5.4 is required to use method getimagesizefromstring');
}
$image = Helper::strToBin($image);
$imageInfo = getimagesizefromstring($image);
$this->_image = imagecreatefromstring($image);
}
// Set internal state
$this->_mime = $imageInfo['mime'];
$this->_width = $imageInfo['0'];
$this->_height = $imageInfo['1'];
$this->_exif = $this->_getExif();
$this->_orient = $this->_getOrientation();
// Prepare alpha chanel
Helper::addAlpha($this->_image);
return $this;
}
