Rename SetRect to something more appropriate and tune it

VocaluxeLib/Menu/CStatic.cs

@@ -196,7 +196,7 @@ namespace VocaluxeLib.Menu
             SRectF rect = Rect.Scale(scale);
             rect.Z += zModify;
             if (texture != null)
-                CHelper.SetRect(rect, out rect, texture.OrigAspect, aspect);
+                rect = CHelper.FitInBounds(rect, texture.OrigAspect, aspect);
 
             var color = new SColorF(Color.R, Color.G, Color.B, Color.A * Alpha);
             if (Visible || forceDraw || (CBase.Settings.GetProgramState() == EProgramState.EditTheme))

VocaluxeLib/Menu/SongMenu/CSongMenuTileBoard.cs

@@ -17,7 +17,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Drawing;
 using System.Linq;
 using System.Windows.Forms;
 using VocaluxeLib.Draw;
@@ -473,8 +472,7 @@ namespace VocaluxeLib.Menu.SongMenu
             {
                 if (vidtex.Color.A < 1)
                     _CoverBig.Draw(EAspect.Crop);
-                SRectF rect;
-                CHelper.SetRect(_CoverBig.Rect, out rect, vidtex.OrigAspect, EAspect.Crop);
+                SRectF rect = CHelper.FitInBounds(_CoverBig.Rect, vidtex.OrigAspect, EAspect.Crop);
 
                 CBase.Drawing.DrawTexture(vidtex, rect);
                 CBase.Drawing.DrawTextureReflection(vidtex, rect, vidtex.Color, _CoverBig.ReflectionSpace, _CoverBig.ReflectionHeight);