+Viewer::Options::Options(int argc, char **argv)
+{
+ string window_size;
+
+ GetOpt getopt;
+ getopt.add_option('r', "resources", resource_locations, GetOpt::REQUIRED_ARG);
+ getopt.add_option('a', "animation", animation_name, GetOpt::REQUIRED_ARG);
+ getopt.add_option('w', "window-size", window_size, GetOpt::REQUIRED_ARG);
+ getopt.add_argument("renderable", renderable_name);
+ getopt(argc, argv);
+
+ wnd_opts.width = 1024;
+ wnd_opts.height = 768;
+ if (!window_size.empty())
+ {
+ RegMatch m = Regex("^([1-9][0-9]*)x([1-9][0-9]*)$").match(window_size);
+ if(!m)
+ throw usage_error("Invalid window size");
+
+ wnd_opts.width = lexical_cast<unsigned>(m[1].str);
+ wnd_opts.height = lexical_cast<unsigned>(m[2].str);
+ }
+}
+