minor changes, opencv cross-branch code

modules/viz/include/opencv2/viz/viz3d.hpp

@@ -64,6 +64,7 @@ namespace cv
         class CV_EXPORTS Viz3d
         {
         public:
+            typedef cv::viz::Color Color;
             typedef void (*KeyboardCallback)(const KeyboardEvent&, void*);
             typedef void (*MouseCallback)(const MouseEvent&, void*);
 

modules/viz/include/opencv2/viz/widgets.hpp

@@ -219,7 +219,7 @@ namespace cv
         class CV_EXPORTS WText : public Widget2D
         {
         public:
-            WText(const String &text, const Point2i &pos, int font_size = 10, const Color &color = Color::white());
+            WText(const String &text, const Point2i &pos, int font_size = 20, const Color &color = Color::white());
 
             void setText(const String &text);
             String getText() const;

modules/viz/src/cloud_widgets.cpp

@@ -124,7 +124,7 @@ struct cv::viz::WCloud::CreateCloudWidget
                 cells->SetNumberOfTuples(nr_points);
                 vtkIdType *cell = cells->GetPointer(0);
                 // Fill it with 1s
-                std::fill_n(cell, nr_points * 2, 1);
+                std::fill(cell, cell + nr_points * 2, 1);
                 cell++;
                 for (vtkIdType i = 0; i < nr_points; ++i, cell += 2)
                     *cell = i;
@@ -155,8 +155,8 @@ cv::viz::WCloud::WCloud(InputArray _cloud, InputArray _colors)
 
     if (cloud.isContinuous() && colors.isContinuous())
     {
-        cloud.reshape(cloud.channels(), 1);
+        cloud = cloud.reshape(cloud.channels(), 1);
-        colors.reshape(colors.channels(), 1);
+        colors = colors.reshape(colors.channels(), 1);
     }
 
     vtkIdType nr_points;
@@ -307,7 +307,7 @@ struct cv::viz::WCloudCollection::CreateCloudWidget
                 cells->SetNumberOfTuples(nr_points);
                 vtkIdType *cell = cells->GetPointer(0);
                 // Fill it with 1s
-                std::fill_n(cell, nr_points * 2, 1);
+                std::fill(cell, cell + nr_points * 2, 1);
                 cell++;
                 for (vtkIdType i = 0; i < nr_points; ++i, cell += 2)
                     *cell = i;
@@ -392,8 +392,8 @@ void cv::viz::WCloudCollection::addCloud(InputArray _cloud, InputArray _colors,
 
     if (cloud.isContinuous() && colors.isContinuous())
     {
-        cloud.reshape(cloud.channels(), 1);
+        cloud = cloud.reshape(cloud.channels(), 1);
-        colors.reshape(colors.channels(), 1);
+        colors = colors.reshape(colors.channels(), 1);
     }
 
     vtkIdType nr_points;

modules/viz/src/interactor_style.cpp

@@ -236,7 +236,7 @@ cv::viz::InteractorStyle::OnKeyDown()
                      "\n"
                      "          j, J   : take a .PNG snapshot of the current window view\n"
                      "          c, C   : display current camera/window parameters\n"
-                     "          f, F   : fly to point mode\n"
+                     "          f, F   : fly to point mode, hold the key and move mouse where to fly\n"
                      "\n"
                      "          e, E   : exit the interactor\n"
                      "          q, Q   : stop and call VTK's TerminateApp\n"
@@ -271,28 +271,8 @@ cv::viz::InteractorStyle::OnKeyDown()
     {
         unsigned int t = static_cast<unsigned int>(time(0));
         String png_file = cv::format("screenshot-%d.png", t);
-        String cam_file = cv::format("screenshot-%d.cam", t);
-
-        vtkSmartPointer<vtkCamera> cam = Interactor->GetRenderWindow()->GetRenderers()->GetFirstRenderer()->GetActiveCamera();
-        Vec2d clip;
-        Vec3d focal, pos, view;
-        cam->GetClippingRange(clip.val);
-        cam->GetFocalPoint(focal.val);
-        cam->GetPosition(pos.val);
-        cam->GetViewUp(view.val);
-        Vec2i win_pos(Interactor->GetRenderWindow()->GetPosition());
-        Vec2i win_size(Interactor->GetRenderWindow()->GetSize());
-        double angle = cam->GetViewAngle() / 180.0 * CV_PI;
-
-        String data = cv::format("%f,%f/%f,%f,%f/%f,%f,%f/%f,%f,%f/%f/%d,%d/%d,%d", clip[0],clip[1], focal[0],focal[1],focal[2],
-                 pos[0],pos[1],pos[2], view[0],view[1], view[2], angle , win_size[0],win_size[1], win_pos[0], win_pos[1]);
-
         saveScreenshot(png_file);
-        ofstream ofs_cam(cam_file.c_str());
+        cout << "Screenshot (" << png_file.c_str() << ") successfully captured." << endl;
-        ofs_cam << data.c_str() << endl;
-        ofs_cam.close();
-
-        cout << "Screenshot (" << png_file.c_str() << ") and camera information (" << cam_file.c_str() << ") successfully captured." << endl;
         break;
     }
         // display current camera settings/parameters
@@ -301,26 +281,21 @@ cv::viz::InteractorStyle::OnKeyDown()
         vtkSmartPointer<vtkCamera> cam = Interactor->GetRenderWindow()->GetRenderers()->GetFirstRenderer()->GetActiveCamera();
 
         Vec2d clip;
-        Vec3d focal, pose, view;
+        Vec3d focal, pos, view;
         cam->GetClippingRange(clip.val);
         cam->GetFocalPoint(focal.val);
-        cam->GetPosition(pose.val);
+        cam->GetPosition(pos.val);
         cam->GetViewUp(view.val);
         Vec2i win_pos(Interactor->GetRenderWindow()->GetPosition());
         Vec2i win_size(Interactor->GetRenderWindow()->GetSize());
+        double angle = cam->GetViewAngle () / 180.0 * CV_PI;
+
+        String data = cv::format("clip(%f,%f) focal(%f,%f,%f) pos(%f,%f,%f) view(%f,%f,%f) angle(%f) winsz(%d,%d) winpos(%d,%d)",
+            clip[0], clip[1], focal[0], focal[1], focal[2], pos[0], pos[1], pos[2], view[0], view[1], view[2],
+                angle, win_size[0], win_size[1], win_pos[0], win_pos[1]);
+
+        std::cout << data.c_str() << std::endl;
 
-        cv::print(Mat(clip, false).reshape(1, 1));
-        std::cout << "/";
-        cv::print(Mat(focal, false).reshape(1, 1));
-        std::cout << "/";
-        cv::print(Mat(pose, false).reshape(1, 1));
-        std::cout << "/";
-        cv::print(Mat(view, false).reshape(1, 1));
-        std::cout << "/" << cam->GetViewAngle () / 180.0 * CV_PI;
-        cv::print(Mat(win_size, false).reshape(1, 1));
-        std::cout << "/";
-        cv::print(Mat(win_pos, false).reshape(1, 1));
-        std::cout << std::endl;
         break;
     }
     case '=':