void SetDrawtoField(int);
void RedrawPlayfield();
+void BlitScreenToBitmap_RND(Bitmap *);
void BlitScreenToBitmap(Bitmap *);
void BackToFront();
void FadeSkipNextFadeIn();
void FadeSkipNextFadeOut();
+Bitmap *getGlobalBorderBitmapFromGameStatus();
+
void ClearField();
void SetWindowBackgroundImageIfDefined(int);
void SetMainBackgroundImageIfDefined(int);
void DrawBackground(int, int, int, int);
void DrawBackgroundForFont(int, int, int, int, int);
void DrawBackgroundForGraphic(int, int, int, int, int);
+boolean CheckIfGlobalBorderHasChanged();
+void RedrawGlobalBorder();
void MarkTileDirty(int, int);
void SetBorderElement();