/**
* Loads an image from the file with the given fileName.
* Returns true if the image was successfully loaded; otherwise returns false.
* The loader attempts to read the image using the specified format, e.g., PNG or JPG.
*
* @param string $fileName
* @return boolean
*/
public function load($fileName)
{
$file = new MFileInfo($fileName);
$resource = false;
$this->type = $file->getSuffix();
if ($this->type == "png") {
$resource = imageCreateFromPng($fileName);
if ($resource) {
imageAlphaBlending($resource, true);
imageSaveAlpha($resource, true);
}
} else {
if ($this->type == "gif") {
$resource = imagecreatefromgif($fileName);
} else {
if ($this->type == "jpg" || $this->type == "jpeg") {
$resource = imagecreatefromjpeg($fileName);
} else {
return false;
}
}
}
if ($resource === false) {
return false;
}
$this->resource = $resource;
$this->fileName = $fileName;
$this->width = imagesx($this->resource);
$this->height = imagesy($this->resource);
return true;
}
/**
* Returns true if the directory <i>$path</i> is relative; otherwise returns
* false. (Under Unix a path is relative if it does not start with a "/").
*
* @param string $path
* @return boolean
*/
public function isRelativePath($path)
{
MDataType::mustBeString($path);
$fileInfo = new MFileInfo($path);
return $fileInfo->isAbsolute() === false;
}
