Image toolkit callback: Creates a GD image resource from a file.
$image: An image object. The $image->resource value will populated by this call.
TRUE or FALSE, based on success.
function image_gd_load(stdClass $image) {
$extension = str_replace('jpg', 'jpeg', $image->info['extension']);
$function = 'imagecreatefrom' . $extension;
if (function_exists($function) && ($image->resource = $function($image->source))) {
if (!imageistruecolor($image->resource)) {
// Convert indexed images to true color, so that filters work
// correctly and don't result in unnecessary dither.
$new_image = image_gd_create_tmp($image, $image->info['width'], $image->info['height']);
imagecopy($new_image, $image->resource, 0, 0, 0, 0, $image->info['width'], $image->info['height']);
imagedestroy($image->resource);
$image->resource = $new_image;
}
return (bool) $image->resource;
}
return FALSE;
}