RatioFix

    public void adjustStagePos()
    {
        int sW = (int)stageBG.getWidth();
        int sH = (int)stageBG.getHeight();

        // Device res is not compatible
        if ( w < sW || h < sH){

        }
        else{

            int ratioW = (int)Math.floor(sW/w);
            int ratioH = (int)Math.floor(sH/h);

            if ( ratioW == ratioH || ratioW < ratioH){
                StageRatio = (float)sW/(float)w;
                StagePos[2] = w;
                StagePos[3] = (int)Math.floor((float)h*StageRatio);
                StagePos[0] = 0;
                StagePos[1] = (h - StagePos[3])/2;
                coordOffset = new int[]{ 0, (h - StagePos[3])/2 };
            }
        }
    }