From 5d98ec36d66db8897f7e3e5120b43c50f379baea Mon Sep 17 00:00:00 2001
From: zheng_wenlong <wenlong_zheng@nexty-ele.com>
Date: Wed, 14 Nov 2018 12:50:56 +0900
Subject: Add tbtnavi for vertical mode

Add tbtnavi for vertical mode.
This application use waltham transmitter send video to horizontal mode.

Change-Id: Icc8bb14f9c83439d90f28d0960e435a43a5e5245
Signed-off-by: zheng_wenlong <wenlong_zheng@nexty-ele.com>
---
 .../include/mapbox/geometry/envelope.hpp           | 33 ++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 demo3/vertical/tbtnavi_demo/include/mapbox/geometry/envelope.hpp

(limited to 'demo3/vertical/tbtnavi_demo/include/mapbox/geometry/envelope.hpp')

diff --git a/demo3/vertical/tbtnavi_demo/include/mapbox/geometry/envelope.hpp b/demo3/vertical/tbtnavi_demo/include/mapbox/geometry/envelope.hpp
new file mode 100644
index 0000000..8603583
--- /dev/null
+++ b/demo3/vertical/tbtnavi_demo/include/mapbox/geometry/envelope.hpp
@@ -0,0 +1,33 @@
+#pragma once
+
+#include <mapbox/geometry/box.hpp>
+#include <mapbox/geometry/for_each_point.hpp>
+
+#include <limits>
+
+namespace mapbox {
+namespace geometry {
+
+template <typename G, typename T = typename G::coordinate_type>
+box<T> envelope(G const& geometry)
+{
+    using limits = std::numeric_limits<T>;
+
+    T min_t = limits::has_infinity ? -limits::infinity() : limits::min();
+    T max_t = limits::has_infinity ?  limits::infinity() : limits::max();
+
+    point<T> min(max_t, max_t);
+    point<T> max(min_t, min_t);
+
+    for_each_point(geometry, [&] (point<T> const& point) {
+        if (min.x > point.x) min.x = point.x;
+        if (min.y > point.y) min.y = point.y;
+        if (max.x < point.x) max.x = point.x;
+        if (max.y < point.y) max.y = point.y;
+    });
+
+    return box<T>(min, max);
+}
+
+} // namespace geometry
+} // namespace mapbox
-- 
cgit 1.2.3-korg