private?void?drawPieces(Canvas?canvas)?{
????for?(int?i?=?0,n?=?mWhiteArray.size();i<n;i++){
????????Point?whitePoint?=?mWhiteArray.get(i);
????????canvas.drawBitmap(mWhitePice,
????????????????(whitePoint.x+(1-ratioPieceOfLineHeught)/2)*mLineHeight,
????????????????(whitePoint.y+(1-ratioPieceOfLineHeught)/2)*mLineHeight,null?????);
}
????for?(int?i?=?0,n?=?mBlackArray.size();i<n;i++){
????????Point?blackPoint?=?mBlackArray.get(i);
????????canvas.drawBitmap(mBlackPice,
????????????????(blackPoint.x+(1-ratioPieceOfLineHeught)/2)*mLineHeight,
????????????????(blackPoint.y+(1-ratioPieceOfLineHeught)/2)*mLineHeight,null?????);
????}

}