Prepare for open sourcing

applications/aruco/src/main.cpp

-#include <ftl/timer.hpp>
-#include <ftl/configuration.hpp>
-
-#include <opencv2/highgui.hpp>
-#include <opencv2/aruco.hpp>
-
-#include <vector>
-#include <string>
-
-int main(int argc, char** argv) {
-	std::vector<cv::Mat> tags;
-	unsigned int ntags = 10;
-	cv::Ptr<cv::aruco::Dictionary> dict =
-		cv::aruco::getPredefinedDictionary(cv::aruco::DICT_4X4_50);
-	unsigned int size = 512;
-	unsigned int margin = 64;
-	unsigned int delay = 50;
-
-	argc--;
-	argv++;
-	auto opts = ftl::config::read_options(&argv, &argc);
-
-	if (opts.count("delay"))
-		delay = std::stoi(opts["delay"]);
-	if (opts.count("dict"))
-		dict = cv::aruco::getPredefinedDictionary(std::stoi(opts["dict"]));
-	if (opts.count("ntags"))
-		ntags = std::stoi(opts["ntags"]);
-	if (opts.count("size"))
-		size = std::stoi(opts["size"]);
-	if (opts.count("margin"))
-		margin = std::stoi(opts["margin"]);
-
-	cv::Mat blank = cv::Mat(size + margin*2, size + margin*2, CV_8UC1);
-	blank.setTo(255);
-
-	for (unsigned int i = 0; i < ntags; i++) {
-		auto& tag = tags.emplace_back();
-		tag.create(size + margin*2, size + margin*2, CV_8UC1);
-		tag.setTo(255);
-		cv::aruco::drawMarker(dict, i, size, tag(cv::Rect(margin, margin, size, size)), 1);
-	}
-
-	int id = 0;
-	bool show_blank = false;
-	ftl::timer::setInterval(delay);
-	ftl::timer::setHighPrecision(true);
-	auto h = ftl::timer::add(ftl::timer::kTimerMain, [&](uint64_t){
-		cv::imshow("ArUco", show_blank ? blank : tags[id]);
-		if (cv::waitKey(1) == 27) { ftl::timer::stop(false); }
-		show_blank = !show_blank;
-		id = (id + 1) % ntags;
-		return true;
-	});
-
-	ftl::timer::start(true);
-
-	return 0;
-}
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