static function install()
{
$defaults = array('jpg' => '1', 'png' => '2', 'gif' => '1');
foreach ($defaults as $type => $optlevel) {
// set default path as the pre-compiled versions in the lib
module::set_var("image_optimizer", "path_" . $type, MODPATH . "image_optimizer/lib/" . image_optimizer::tool_name($type));
// check config status (also sets configstatus_ variables and ensures that the permissions are set correctly)
image_optimizer::tool_status($type);
// set default optimization levels
module::set_var("image_optimizer", "optlevel_thumb_" . $type, $optlevel);
module::set_var("image_optimizer", "optlevel_resize_" . $type, $optlevel);
}
module::set_var("image_optimizer", "rotate_jpg", true);
module::set_var("image_optimizer", "enable_thumb", true);
module::set_var("image_optimizer", "enable_resize", true);
module::set_var("image_optimizer", "update_mode_thumb", false);
module::set_var("image_optimizer", "update_mode_resize", false);
module::set_var("image_optimizer", "metastrip_thumb", true);
module::set_var("image_optimizer", "convert_thumb_png", "jpg");
module::set_var("image_optimizer", "convert_resize_png", false);
module::set_var("image_optimizer", "convert_thumb_gif", "jpg");
module::set_var("image_optimizer", "convert_resize_gif", false);
module::set_var("image_optimizer", "metastrip_resize", false);
module::set_var("image_optimizer", "progressive_thumb", false);
module::set_var("image_optimizer", "progressive_resize", true);
module::set_version("image_optimizer", 1);
image_optimizer::add_image_optimizer_rule("thumb");
image_optimizer::add_image_optimizer_rule("resize");
}
static function tool_version($type)
{
$type = strtolower($type);
if (image_optimizer::tool_status($type)) {
switch ($type) {
case "jpg":
$path = module::get_var("image_optimizer", "path_" . $type);
// jpegtran is weird as it doesn't have a version flag. so, we run in verbose mode with a fake file and catch stderr, which exec() can't do.
// this is sort of a hack, but since there's no clean way available...
$cmd = escapeshellcmd($path) . " -verbose " . MODPATH . "image_optimizer/this_file_does_not_exist.jpg";
$output = image_optimizer::get_pipe($cmd, 2);
$output = "Correctly configured! " . substr($output, 0, strpos($output, "\n"));
break;
case "png":
case "gif":
$path = module::get_var("image_optimizer", "path_" . $type);
exec(escapeshellcmd($path) . " --version", $output);
$output = "Correctly configured! " . $output[0];
break;
default:
$output = t("Only jpg/png/gif supported");
}
} else {
$output = t("Invalid configuration");
}
return $output;
}