/**
* Method to load a file into the JImage object as the resource.
*
* @param string $path The filesystem path to load as an image.
*
* @return void
*
* @since 11.3
* @throws InvalidArgumentException
* @throws RuntimeException
*/
public function loadFile($path)
{
// Make sure the file exists.
if (!file_exists($path)) {
throw new InvalidArgumentException('The image file does not exist.');
}
$properties = WFImage::getImageFileProperties($path);
if (self::checkMem($properties) === false) {
throw new RuntimeException('Insufficient memory available to process this image.');
}
// Attempt to load the image based on the MIME-Type
switch ($properties->mime) {
case 'image/gif':
// Make sure the image type is supported.
if (empty(self::$formats[IMAGETYPE_GIF])) {
throw new RuntimeException('Attempting to load an image of unsupported type GIF.');
}
// Attempt to create the image handle.
$handle = imagecreatefromgif($path);
if (!is_resource($handle)) {
throw new RuntimeException('Unable to process GIF image.');
}
$this->handle = $handle;
break;
case 'image/jpeg':
// Make sure the image type is supported.
if (empty(self::$formats[IMAGETYPE_JPEG])) {
throw new RuntimeException('Attempting to load an image of unsupported type JPG.');
}
// Attempt to create the image handle.
$handle = imagecreatefromjpeg($path);
if (!is_resource($handle)) {
throw new RuntimeException('Unable to process JPG image.');
}
$this->handle = $handle;
break;
case 'image/png':
// Make sure the image type is supported.
if (empty(self::$formats[IMAGETYPE_PNG])) {
throw new RuntimeException('Attempting to load an image of unsupported type PNG.');
}
// Attempt to create the image handle.
$handle = imagecreatefrompng($path);
if (!is_resource($handle)) {
throw new RuntimeException('Unable to process PNG image.');
}
$this->handle = $handle;
break;
default:
throw new InvalidArgumentException('Attempting to load an image of unsupported type: ' . $properties->mime);
break;
}
// Set the filesystem path to the source image.
$this->path = $path;
// set type
$this->setType(exif_imagetype($path));
}
