style/quality only

No functional changes.

- add `override' everywhere where missing
- almost pass clang's `-Wweak-vtables'
- avoid some float/double conversions
- remove unused private members
- make signedness conversions explicit
- put stuff in right namespaces to aid analysis

6 files changed, 39 insertions, 16 deletions

diff --git a/tracker-pt/module/camera.cpp b/tracker-pt/module/camera.cpp
index 85439431..1b948932 100644
--- a/tracker-pt/module/camera.cpp
+++ b/tracker-pt/module/camera.cpp
@@ -19,6 +19,7 @@
 #include <cstdlib>
 
 using namespace pt_module;
+namespace pt_module {
 
 Camera::Camera(const QString& module_name) : s { module_name }
 {
@@ -141,10 +142,10 @@ bool Camera::start(int idx, int fps, int res_x, int res_y)
 void Camera::stop()
 {
     cap = nullptr;
-    desired_name = QString();
-    active_name = QString();
-    cam_info = pt_camera_info();
-    cam_desired = pt_camera_info();
+    desired_name = QString{};
+    active_name = QString{};
+    cam_info = {};
+    cam_desired = {};
 }
 
 bool Camera::get_frame_(cv::Mat& frame)
@@ -171,3 +172,4 @@ void Camera::camera_deleter::operator()(cv::VideoCapture* cap)
     }
 }
 
+} // ns pt_module
diff --git a/tracker-pt/module/frame.cpp b/tracker-pt/module/frame.cpp
index 6734edf6..7dd8c92f 100644
--- a/tracker-pt/module/frame.cpp
+++ b/tracker-pt/module/frame.cpp
@@ -4,7 +4,7 @@
 
 #include <opencv2/imgproc.hpp>
 
-using namespace pt_module;
+namespace pt_module {
 
 Preview& Preview::operator=(const pt_frame& frame_)
 {
@@ -76,3 +76,5 @@ void Preview::ensure_size(cv::Mat& frame, int w, int h, int type)
     if (frame.cols != w || frame.rows != h)
         frame = cv::Mat(h, w, type);
 }
+
+} // ns pt_module
diff --git a/tracker-pt/module/frame.hpp b/tracker-pt/module/frame.hpp
index 49dde49e..d440bd67 100644
--- a/tracker-pt/module/frame.hpp
+++ b/tracker-pt/module/frame.hpp
@@ -5,6 +5,11 @@
 #include <opencv2/core.hpp>
 #include <QImage>
 
+#ifdef __clang__
+#   pragma clang diagnostic push
+#   pragma clang diagnostic ignored "-Wweak-vtables"
+#endif
+
 namespace pt_module {
 
 struct Frame final : pt_frame
@@ -29,8 +34,11 @@ struct Preview final : pt_preview
 private:
     static void ensure_size(cv::Mat& frame, int w, int h, int type);
 
-    bool fresh = true;
-    cv::Mat frame_copy, frame_color, frame_out, frame_out2;
+    cv::Mat frame_copy, frame_out;
 };
 
 } // ns pt_module
+
+#ifdef __clang__
+#   pragma clang diagnostic pop
+#endif
diff --git a/tracker-pt/module/module.cpp b/tracker-pt/module/module.cpp
index 4731175a..f665face 100644
--- a/tracker-pt/module/module.cpp
+++ b/tracker-pt/module/module.cpp
@@ -12,7 +12,11 @@
 
 static const QString module_name = "tracker-pt";
 
-using namespace pt_module;
+#ifdef __clang__
+#   pragma clang diagnostic ignored "-Wweak-vtables"
+#endif
+
+namespace pt_module {
 
 struct pt_module_traits final : pt_runtime_traits
 {
@@ -54,13 +58,15 @@ struct dialog_pt : TrackerDialog_PT
     dialog_pt();
 };
 
-// ns pt_module
-
-using namespace pt_module;
-
 dialog_pt::dialog_pt() : TrackerDialog_PT(module_name) {}
 
 QString metadata_pt::name() { return tr("PointTracker 1.1"); }
 QIcon metadata_pt::icon() { return QIcon(":/Resources/Logo_IR.png"); }
 
+}
+
+// ns pt_module
+
+using namespace pt_module;
+
 OPENTRACK_DECLARE_TRACKER(tracker_pt, dialog_pt, metadata_pt)
diff --git a/tracker-pt/module/module.hpp b/tracker-pt/module/module.hpp
index 3afe8bc9..0b3f12cf 100644
--- a/tracker-pt/module/module.hpp
+++ b/tracker-pt/module/module.hpp
@@ -13,8 +13,8 @@ class OTR_GENERIC_EXPORT metadata_pt : public Metadata
 {
     Q_OBJECT
 
-    QString name();
-    QIcon icon();
+    QString name() override;
+    QIcon icon() override;
 };
 
 } // ns pt_module
diff --git a/tracker-pt/module/point_extractor.cpp b/tracker-pt/module/point_extractor.cpp
index f8c37351..c0756a40 100644
--- a/tracker-pt/module/point_extractor.cpp
+++ b/tracker-pt/module/point_extractor.cpp
@@ -30,7 +30,6 @@
 #include <QDebug>
 
 using namespace types;
-using namespace pt_module;
 
 // meanshift code written by Michael Welter
 
@@ -84,6 +83,8 @@ static cv::Vec2d MeanShiftIteration(const cv::Mat &frame_gray, const vec2 &curre
         return current_center;
 }
 
+namespace pt_module {
+
 PointExtractor::PointExtractor(const QString& module_name) : s(module_name)
 {
     blobs.reserve(max_blobs);
@@ -352,7 +353,9 @@ end:
 
         const f overlay_size = dpi > 1.5 ? 2 : 1;
 
-        cv::circle(preview_frame, p, iround((b.radius + 3.3) * c_ * c_fract), circle_color, overlay_size, cv::LINE_AA, fract_bits);
+        cv::circle(preview_frame, p, iround((b.radius + 3.3) * c_ * c_fract),
+                   circle_color, (int)overlay_size,
+                   cv::LINE_AA, fract_bits);
 
         char buf[16];
         buf[sizeof(buf)-1] = '\0';
@@ -387,3 +390,5 @@ blob::blob(f radius, const vec2& pos, f brightness, const cv::Rect& rect) :
 {
     //qDebug() << "radius" << radius << "pos" << pos[0] << pos[1];
 }
+
+} // ns pt_module