/**
* Returns binary string with image data in format specified by $format
*
* Additional parameters may be passed to the function. See GDImage_Image::saveToFile() for more details.
*
* @param string $format The format of the image
* @return string The binary image data in specified format
*/
function asString($format)
{
ob_start();
$args = func_get_args();
$args[0] = null;
array_unshift($args, $this->getHandle());
$mapper = GDImage_MapperFactory::selectMapper(null, $format);
call_user_func_array(array($mapper, 'save'), $args);
return ob_get_clean();
}
/**
* Create and load an image from a file or URL. You can override the file
* format by specifying the second parameter.
*
* @param string $uri File or url
* @param string $format *DEPRECATED* Format hint, usually not needed
* @return GDImage_Image GDImage_PaletteImage or GDImage_TrueColorImage instance
*/
static function loadFromFile($uri, $format = null)
{
$data = file_get_contents($uri);
$handle = @imagecreatefromstring($data);
if (!self::isValidImageHandle($handle)) {
$mapper = GDImage_MapperFactory::selectMapper($uri, $format);
$handle = $mapper->load($uri);
}
if (!self::isValidImageHandle($handle)) {
JError::raiseError(500, JText::_('JLIB_GDIMAGE_ERROR_INVALID_SOURCE') . ' ' . $uri);
return false;
}
return self::loadFromHandle($handle);
}
