Add logging categories

QTProject/Subdivision.pro

@@ -22,7 +22,8 @@ SOURCES += main.cpp\
     camera.cpp \
     subdivision.cpp \
     vertex.cpp \
-    triangle.cpp
+    triangle.cpp \
+    logcategories.cpp
 
 HEADERS  += mainwindow.h \
     mainwidget.h \
@@ -31,7 +32,8 @@ HEADERS  += mainwindow.h \
     camera.h \
     subdivision.h \
     vertex.h \
-    triangle.h
+    triangle.h \
+    logcategories.cpp
 
 FORMS    +=
 

QTProject/logcategories.cpp

+#include "logcategories.h"
+
+Q_LOGGING_CATEGORY(log_subdiv, "subdiv")
+Q_LOGGING_CATEGORY(log_mesh, "mesh")

QTProject/logcategories.h

+#include <QLoggingCategory>
+
+Q_DECLARE_LOGGING_CATEGORY(log_subdiv)
+Q_DECLARE_LOGGING_CATEGORY(log_mesh)