Start A Scanner Darkly

a_scanner_darkly/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.2)
+project( AScannerDarkly )
+find_package( OpenCV REQUIRED )
+include_directories( ${OpenCV_INCLUDE_DIRS} )
+add_executable( AScannerDarkly main.cpp )
+target_link_libraries( AScannerDarkly ${OpenCV_LIBS} )

a_scanner_darkly/main.cpp

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+#include <opencv2/opencv.hpp>
+
+const std::string WINDOW_NAME = "A Scanner Darkly";
+
+int main(int argc, char** argv ) {
+	cv::VideoCapture cap;
+	cap.open(0);
+
+	if (!cap.isOpened()) {
+		std::cerr << "Couldn't open capture" << std::endl;
+		return -1;
+	}
+
+	cv::namedWindow(WINDOW_NAME);
+
+	cv::Mat frame;
+	while (true) {
+		cap >> frame;
+
+		cv::imshow(WINDOW_NAME, frame);
+
+		char c = (char)cv::waitKey(33);
+		if (c == 27) {
+			break;
+		}
+	}
+
+	cv::destroyWindow(WINDOW_NAME);
+}