add Wiimote supporting in point tracker

1. extrack point from wii frame
2. wii_camera outputs wii raw data, wii_extractor create preview
3. wiimote fov is about 42 degree
4. wii:change block functions to non-block function

"contains WiiYourself! wiimote code by gl.tter
    http://gl.tter.org"

1 files changed, 40 insertions, 0 deletions

diff --git a/tracker-pt/tracker-wii/wii_point_extractor.h b/tracker-pt/tracker-wii/wii_point_extractor.h
new file mode 100644
index 00000000..290d1018
--- /dev/null
+++ b/tracker-pt/tracker-wii/wii_point_extractor.h
@@ -0,0 +1,40 @@
+/* Copyright (c) 2012 Patrick Ruoff
+ * Copyright (c) 2015-2016 Stanislaw Halik <sthalik@misaki.pl>
+ * Copyright (c) 2017-2018 Wei Shuai <cpuwolf@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ */
+
+#pragma once
+
+#include "pt-api.hpp"
+
+#include <vector>
+
+#include <opencv2/core.hpp>
+#include <opencv2/imgproc.hpp>
+
+namespace pt_module {
+
+using namespace types;
+
+class WIIPointExtractor final : public pt_point_extractor
+{
+public:
+    // extracts points from frame and draws some processing info into frame, if draw_output is set
+    // dt: time since last call in seconds
+    void extract_points(const pt_frame& frame, pt_preview& preview_frame, std::vector<vec2>& points) override;
+    WIIPointExtractor(const QString& module_name);
+private:
+    static constexpr int max_blobs = 16;
+
+    pt_settings s;
+	void _draw_point(cv::Mat& preview_frame, const vec2& p, const cv::Scalar& color, int thinkness = 1);
+	bool _draw_points(cv::Mat& preview_frame, const struct wii_info &wii, std::vector<vec2>& points);
+	void _draw_bg(cv::Mat& preview_frame, const struct wii_info &wii);
+};
+
+} // ns impl
+