1 files changed, 73 insertions, 0 deletions
diff --git a/src/display.h b/src/display.h
new file mode 100644
index 0000000..4983cca
--- /dev/null
+++ b/src/display.h
@@ -0,0 +1,73 @@
+/*
+ * This file is part of the planetblupi source code
+ * Copyright (C) 2018, Mathieu Schroeter
+ * http://epsitec.ch; http://www.blupi.org; http://github.com/blupi-games
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see http://gnu.org/licenses
+ */
+
+#pragma once
+
+#include <SDL_stdinc.h>
+
+class Display
+{
+private:
+  Sint32 width;
+  Sint32 height;
+
+private:
+  Display ();
+
+public:
+  static Display & getDisplay ();
+
+  bool   isWide ();
+  void   readDisplaySize ();
+  void   setDisplaySize (Sint32 w, Sint32 h);
+  Sint32 getWidth ();
+  Sint32 getHeight ();
+  Sint32 getLogicWidth ();
+  Sint32 getLogicHeight ();
+};
+
+inline Sint32
+LXLOGIC ()
+{
+  return Display::getDisplay ().getLogicWidth ();
+}
+
+inline Sint32
+LYLOGIC ()
+{
+  return Display::getDisplay ().getLogicHeight ();
+}
+
+inline Sint32
+LXIMAGE ()
+{
+  return Display::getDisplay ().getWidth ();
+}
+
+inline Sint32
+LYIMAGE ()
+{
+  return Display::getDisplay ().getHeight ();
+}
+
+inline Sint32
+LXOFFSET ()
+{
+  return ((LXIMAGE () - LXLOGIC ()) / 2);
+}