107         tin->GetSurface().Lock();  in Dig()
111         tin->GetSurface().Unlock();  in Dig()
155         tin->GetSurface().Lock();  in Dig()
159         tin->GetSurface().Unlock();  in Dig()
216   Surface&   s         = spr->GetSurface();  in PutSprite()
255       tin->GetSurface().Blit(s, dst, src.GetPosition());  in PutSprite()
258       tin->GetSurface().Blit(s, pos-(c<<CELL_BITS));  in PutSprite()
261       tin->GetSurface().Lock();  in PutSprite()
264       tin->GetSurface().Unlock();  in PutSprite()
301       tin->GetSurface().Lock();  in MergeSprite()
305       tin->GetSurface().Unlock();  in MergeSprite()
375         tin->GetSurface().Lock();  in CheckPreview()
377         tin->GetSurface().Unlock();  in CheckPreview()
530         ti->GetSurface().Lock();  in LoadImage()
532         ti->GetSurface().Unlock();  in LoadImage()
608       GetMainWindow().Blit(tin->GetSurface(),  in DrawTile_Clipped()
657       if (force_copy) tin->GetSurface().SetAlpha(0, 0);  in GetPart()
658       part.Blit(tin->GetSurface(), src, dst);  in GetPart()
659       if (force_copy) tin->GetSurface().SetAlpha(SDL_SRCALPHA, 0);  in GetPart()