/**
* Load the image from file.
*
* @param T_File_Path $path file path
*/
function __construct($path)
{
$this->mime = $path->getMime();
if (!$path->exists()) {
throw new T_Exception_Image($path->__toString() . ' not exists');
}
$pathstr = $path->__toString();
list($this->width, $this->height, $type) = @getimagesize($pathstr);
switch ($this->mime->getType()) {
case T_Mime::JPEG:
if ($type !== IMAGETYPE_JPEG) {
throw new T_Exception_Image($pathstr . ' is not a JPEG');
}
$this->handle = @imagecreatefromjpeg($pathstr);
break;
case T_Mime::PNG:
if ($type !== IMAGETYPE_PNG) {
throw new T_Exception_Image($pathstr . ' is not a PNG');
}
$this->handle = @imagecreatefrompng($pathstr);
break;
case T_Mime::GIF:
if ($type !== IMAGETYPE_GIF) {
throw new T_Exception_Image($pathstr . ' is not a GIF');
}
$this->handle = @imagecreatefromgif($pathstr);
break;
default:
$msg = 'Illegal image MIME type ' . $mime->__toString();
throw new T_Exception_Image($msg);
}
if ($this->handle === false) {
throw new T_Exception_Image('Error loading ' . $pathstr);
}
}
/**
* Rename the current file to a new filename.
*
* @param T_File_Path $path new filepath for file
*/
function rename(T_File_Path $path)
{
if (T_WINDOWS && $path->exists()) {
$path->delete();
/* required for windows, but weakens application as possibility
of failure to rename resulting in just file deletion */
}
$ok = @rename($this->getPath(), $path->__toString());
if (!$ok) {
$msg = 'rename to ' . $path->__toString() . ' failed';
throw new T_Exception_File($this->getPath(), $msg);
}
$this->dir = $path->getDirName();
$this->filename = $path->getFilename();
$this->mime = $path->getMime();
return $this;
}