From 81dec3b9f4c27845b9bfedbc9c57cff52e90ae1b Mon Sep 17 00:00:00 2001
From: Sem van der Hoeven <semmer99@gmail.com>
Date: Fri, 4 Jun 2021 13:10:11 +0200
Subject: [PATCH] [ADD] detecting if hand is in square

---
 src/computervision/HandPresentChecker.cpp | 18 ++++++++++++++++++
 src/computervision/HandPresentChecker.h   |  7 +++++++
 2 files changed, 25 insertions(+)
 create mode 100644 src/computervision/HandPresentChecker.cpp
 create mode 100644 src/computervision/HandPresentChecker.h

diff --git a/src/computervision/HandPresentChecker.cpp b/src/computervision/HandPresentChecker.cpp
new file mode 100644
index 0000000..2cb4784
--- /dev/null
+++ b/src/computervision/HandPresentChecker.cpp
@@ -0,0 +1,18 @@
+#include "HandPresentChecker.h"
+#include <opencv2/imgproc.hpp>
+#include <iostream>
+
+
+namespace computervision
+{
+	bool check_if_hand_present(cv::Mat inputImage)
+	{
+		std::vector<std::vector<cv::Point>> points;
+		cv::Mat imgCont;
+		cv::findContours(inputImage, points, cv::RetrievalModes::RETR_LIST, cv::ContourApproximationModes::CHAIN_APPROX_SIMPLE);
+		bool hand_present = points.size() > 0;
+		std::cout << (hand_present ? "hey a hand!" : "damn no hand") << std::endl;
+		return hand_present;
+	}
+
+}
diff --git a/src/computervision/HandPresentChecker.h b/src/computervision/HandPresentChecker.h
new file mode 100644
index 0000000..5f0b0b7
--- /dev/null
+++ b/src/computervision/HandPresentChecker.h
@@ -0,0 +1,7 @@
+#pragma once
+
+#include <opencv2/core.hpp>
+namespace computervision
+{
+	bool check_if_hand_present(cv::Mat inputImage);
+}