Set defaults for arguments

argsprocessor.cpp

@@ -10,11 +10,14 @@
 static constexpr int DEFAULT_SCREEN_WIDTH   = 1280;
 static constexpr int DEFAULT_SCREEN_HEIGHT  = 720;
 static constexpr int DEFAULT_SPLITTING = 4;
-static const std::string DEFAULT_PATH = ".";
+static const char * const DEFAULT_PATH = ".";
 
 /////////////////////////////////////////////////////////////////////////
 
-ArgsProcessor::ArgsProcessor(int argc, char **argv)
+ArgsProcessor::ArgsProcessor(int argc, char **argv) :
+    image_splitting(DEFAULT_SPLITTING),
+    game_resolution({DEFAULT_SCREEN_WIDTH, DEFAULT_SCREEN_HEIGHT}),
+    image_path(DEFAULT_PATH)
 {
     parse_result = tryConvertInput(argc, argv);
 }