modernize C++ syntax

No visible changes (hopefully).

4 files changed, 8 insertions, 7 deletions

diff --git a/cv/affine.cpp b/cv/affine.cpp
index 1b37305c..4ec63e57 100644
--- a/cv/affine.cpp
+++ b/cv/affine.cpp
@@ -15,17 +15,17 @@ Affine::Affine(const mat33& R, const vec3& t) : R(R),t(t) {}
 
 Affine operator*(const Affine& X, const Affine& Y)
 {
-    return Affine(X.R*Y.R, X.R*Y.t + X.t);
+    return { X.R*Y.R, X.R*Y.t + X.t };
 }
 
 Affine operator*(const mat33& X, const Affine& Y)
 {
-    return Affine(X*Y.R, X*Y.t);
+    return { X*Y.R, X*Y.t };
 }
 
 Affine operator*(const Affine& X, const mat33& Y)
 {
-    return Affine(X.R*Y, X.t);
+    return { X.R*Y, X.t };
 }
 
 vec3 operator*(const Affine& X, const vec3& v)
diff --git a/cv/translation-calibrator.hpp b/cv/translation-calibrator.hpp
index c1f6d2ec..774bc7cb 100644
--- a/cv/translation-calibrator.hpp
+++ b/cv/translation-calibrator.hpp
@@ -47,5 +47,5 @@ private:
     static constexpr inline double pitch_spacing_in_degrees = 1.5;
     static constexpr inline double roll_spacing_in_degrees = 3.5;
 
-    unsigned yaw_rdof, pitch_rdof, roll_rdof, nsamples;
+    unsigned yaw_rdof, pitch_rdof, roll_rdof, nsamples = 0;
 };
diff --git a/cv/video-property-page.cpp b/cv/video-property-page.cpp
index 7d94bbc2..e76f8bc3 100644
--- a/cv/video-property-page.cpp
+++ b/cv/video-property-page.cpp
@@ -37,7 +37,7 @@ bool video_property_page::show_from_capture(cv::VideoCapture& cap, int /*index *
 
 struct prop_settings_worker final : QThread
 {
-    prop_settings_worker(int idx);
+    explicit prop_settings_worker(int idx);
     ~prop_settings_worker() override;
     void _open_prop_page();
     void run() override;
diff --git a/cv/video-widget.cpp b/cv/video-widget.cpp
index fd4fe350..d93429cb 100644
--- a/cv/video-widget.cpp
+++ b/cv/video-widget.cpp
@@ -8,6 +8,7 @@
 
 #include "video-widget.hpp"
 #include "compat/check-visible.hpp"
+#include "compat/math.hpp"
 
 #include <cstring>
 
@@ -88,8 +89,8 @@ void cv_video_widget::paintEvent(QPaintEvent*)
 
     double dpr = devicePixelRatioF();
 
-    int W = int(QWidget::width() * dpr);
-    int H = int(QWidget::height() * dpr);
+    int W = iround(QWidget::width() * dpr);
+    int H = iround(QWidget::height() * dpr);
 
     painter.drawImage(rect(), texture);