Add an option to strech the rendered area instead of displaying black bars (closes #33)

Vocaluxe/Base/CConfig.cs

@@ -89,6 +89,7 @@ namespace Vocaluxe.Base
             [DefaultValue(60f)] public float MaxFPS;
             [DefaultValue(EOffOn.TR_CONFIG_ON)] public EOffOn VSync;
             [DefaultValue(EOffOn.TR_CONFIG_ON)] public EOffOn FullScreen;
+            [DefaultValue(EOffOn.TR_CONFIG_OFF)] public EOffOn Strech;
             [DefaultValue(0.4f), XmlRanged(0, 3)] public float FadeTime;
         }
 

Vocaluxe/Lib/Draw/CDirect3D.cs

@@ -207,7 +207,10 @@ namespace Vocaluxe.Lib.Draw
             _H = _Form.ClientSize.Height;
             _W = _Form.ClientSize.Width;
 
-            _AdjustAspect(false);
+            if (CConfig.Config.Graphics.Strech != EOffOn.TR_CONFIG_ON)
+            {
+                _AdjustAspect(false);
+            }
 
             //Apply the new sizes to the PresentParameters
             _PresentParameters.BackBufferWidth = _Form.ClientSize.Width;

Vocaluxe/Lib/Draw/COpenGL.cs

@@ -219,7 +219,11 @@ namespace Vocaluxe.Lib.Draw
             _W = _Control.Width;
             _CurrentAlignment = CConfig.Config.Graphics.ScreenAlignment;
 
-            _AdjustAspect(true);
+            if (CConfig.Config.Graphics.Strech != EOffOn.TR_CONFIG_ON)
+            {
+                _AdjustAspect(true);
+            }
+
             _AdjustNewBorders();
             GL.Viewport(_X, _Y, _W, _H);
         }