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private float getDegreesForRotation(int value) {
    if (System.getProperty("ro.sf.hwrotation","0").equals("180){
        switch(value){
            case Surface.ROTATION_90:
                return 360f - 90f;
            case Surface.ROTATION_180:
                return 0f;
            case Surface.ROTATION_270:
                return 360f - 270f;
            }
            return 360f - 180f;
        }
    }else{
        switch(value){
            case Surface.ROTATION_90:
                return 360f - 90f;
            case Surface.ROTATION_180:
                return 360f - 180f;
            case Surface.ROTATION_270:
                return 360f - 270f;
        }
    }
    return 0f;
}