refactoring, renaming and commenting

modules/viz2d/samples/cpp/Doxyfile

@@ -32,7 +32,7 @@ DOXYFILE_ENCODING      = UTF-8
 # title of most generated pages and in a few other places.
 # The default value is: My Project.
 
-PROJECT_NAME           = "A 2D visualization module with CL-interop capabilities and a GUI based on NanoGUI"
+PROJECT_NAME           = "A visualization module with vector graphics, a GUI system and CL-interop capabilities"
 
 # The PROJECT_NUMBER tag can be used to enter a project or revision number. This
 # could be handy for archiving the generated documentation or if some version

modules/viz2d/samples/cpp/font/font-demo.cpp

@@ -223,10 +223,10 @@ int main(int argc, char **argv) {
             lines.push_back(line);
         }
 
-    #ifndef __EMSCRIPTEN__
+#ifndef __EMSCRIPTEN__
         Sink sink = makeWriterSink(OUTPUT_FILENAME, cv::VideoWriter::fourcc('V', 'P', '9', '0'), FPS, cv::Size(WIDTH, HEIGHT));
         v2d->setSink(sink);
-    #endif
+#endif
 
         v2d->run(iteration);
     } catch(std::exception& ex) {